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    Clinical Trial Results:
    A Phase 1 Crossover Study to Assess the Relative Bioavailability of Roxadustat Following a Single Dose of Pediatric Azo Dye-free Tablet and Pediatric Azo Dye-free Mini-tablet (Solid and Suspension) Compared to a Single Dose of Azo Dye-containing Tablet in Healthy Adult Subjects

    Summary
    EudraCT number
    2018-002924-18
    Trial protocol
    DE  
    Global end of trial date
    14 Oct 2019

    Results information
    Results version number
    v1(current)
    This version publication date
    09 Oct 2020
    First version publication date
    09 Oct 2020
    Other versions

    Trial information

    Close Top of page
    Trial identification
    Sponsor protocol code
    1517-CL-1001
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT03960489
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    Astellas Pharma Global Development, Inc. (APGD)
    Sponsor organisation address
    1 Astellas Way, Northbrook, IL, United States, 60062
    Public contact
    Clinical Trial Disclosure, Astellas Pharma Global Development, Inc. (APGD), 31 71 5455 050, astellas.resultsdisclosure@astellas.com
    Scientific contact
    Clinical Trial Disclosure, Astellas Pharma Global Development, Inc. (APGD), 31 71 5455 050, astellas.resultsdisclosure@astellas.com
    Paediatric regulatory details
    Is trial part of an agreed paediatric investigation plan (PIP)
    Yes
    EMA paediatric investigation plan number(s)
    EMEA-001557-PIP01-13
    Does article 45 of REGULATION (EC) No 1901/2006 apply to this trial?
    No
    Does article 46 of REGULATION (EC) No 1901/2006 apply to this trial?
    No
    Results analysis stage
    Analysis stage
    Final
    Date of interim/final analysis
    14 Oct 2019
    Is this the analysis of the primary completion data?
    No
    Global end of trial reached?
    Yes
    Global end of trial date
    14 Oct 2019
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    The primary objective of the study was to assess the relative bioavailability of single doses of 100 mg roxadustat pediatric azo dye-free tablet and 100 mg roxadustat pediatric azo dye-free mini-tablet solid and suspension (new formulations) compared to 100 mg roxadustat azo dye-containing tablet (reference formulation) under fasting conditions in healthy male and female adult participants.
    Protection of trial subjects
    This clinical study was written, conducted and reported in accordance with the protocol, International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use (ICH) Good Clinical Practice (GCP) Guidelines, and applicable local regulations, including the European Directive 2001/20/EC, on the protection of human rights, and with the ethical principles that have their origin in the Declaration of Helsinki. Astellas ensures that the use and disclosure of protected health information (PHI) obtained during a research study complies with the federal, national and/or regional legislation related to the privacy and protection of personal information.
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    31 Jul 2019
    Long term follow-up planned
    No
    Independent data monitoring committee (IDMC) involvement?
    No
    Population of trial subjects
    Number of subjects enrolled per country
    Country: Number of subjects enrolled
    Germany: 24
    Worldwide total number of subjects
    24
    EEA total number of subjects
    24
    Number of subjects enrolled per age group
    In utero
    0
    Preterm newborn - gestational age < 37 wk
    0
    Newborns (0-27 days)
    0
    Infants and toddlers (28 days-23 months)
    0
    Children (2-11 years)
    0
    Adolescents (12-17 years)
    0
    Adults (18-64 years)
    24
    From 65 to 84 years
    0
    85 years and over
    0

    Subject disposition

    Close Top of page
    Recruitment
    Recruitment details
    Participants were enrolled in one site in Germany.

    Pre-assignment
    Screening details
    Participants were randomized in 1:1:1:1 ratio to 1 of 4 treatment sequence in the study. Each participant participated in 4 treatment periods separated by a washout of at least 7 days.

    Period 1
    Period 1 title
    Treatment Period 1 (6 days)
    Is this the baseline period?
    Yes
    Allocation method
    Randomised - controlled
    Blinding used
    Not blinded

    Arms
    Are arms mutually exclusive
    Yes

    Arm title
    Treatment Sequence 1 (ABCD)
    Arm description
    Participants received single dose of 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 3 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    Experimental

    Investigational medicinal product name
    Roxadustat 100 mg azo dye free tablet/mini tablet suspension/solid mini tablet/dye containing tablet
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Oral suspension, Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Participants received 100 mg roxadustat pediatric azo dye-free tablet or dye free mini tablet suspension or dye free solid mini tablet or dye containing tablet as per the dosing sequence.

    Arm title
    Treatment Sequence 2 (BDAC)
    Arm description
    Particpants received 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 1 followed by single dose of 100 mg of roxadustat azo dye-containing tablet (D), orally on day 1 in period 2 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    Experimental

    Investigational medicinal product name
    Roxadustat 100 mg azo dye free tablet/mini tablet suspension/solid mini tablet/dye containing tablet
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Oral suspension, Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Participants received 100 mg roxadustat pediatric azo dye-free tablet or dye free mini tablet suspension or dye free solid mini tablet or dye containing tablet as per the dosing sequence.

    Arm title
    Treatment Sequence 3 (CADB)
    Arm description
    Participants received 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 1 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 2 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    Experimental

    Investigational medicinal product name
    Roxadustat 100 mg azo dye free tablet/mini tablet suspension/solid mini tablet/dye containing tablet
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Oral suspension, Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Participants received 100 mg roxadustat pediatric azo dye-free tablet or dye free mini tablet suspension or dye free solid mini tablet or dye containing tablet as per the dosing sequence.

    Arm title
    Treatment Sequence 4 (DCBA)
    Arm description
    Participants received single dose of 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 3 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    Experimental

    Investigational medicinal product name
    Roxadustat 100 mg azo dye free tablet/mini tablet suspension/solid mini tablet/dye containing tablet
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Oral suspension, Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Participants received 100 mg roxadustat pediatric azo dye-free tablet or dye free mini tablet suspension or dye free solid mini tablet or dye containing tablet as per the dosing sequence.

    Number of subjects in period 1
    Treatment Sequence 1 (ABCD) Treatment Sequence 2 (BDAC) Treatment Sequence 3 (CADB) Treatment Sequence 4 (DCBA)
    Started
    6
    6
    6
    6
    Completed
    6
    6
    6
    5
    Not completed
    0
    0
    0
    1
         Withdrawal by subject
    -
    -
    -
    1
    Period 2
    Period 2 title
    Washout Period 1 (7 days)
    Is this the baseline period?
    No
    Allocation method
    Randomised - controlled
    Blinding used
    Not blinded

    Arms
    Are arms mutually exclusive
    Yes

    Arm title
    Treatment Sequence 1 (ABCD)
    Arm description
    Participants received single dose of 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 3 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    No intervention

    Investigational medicinal product name
    No investigational medicinal product assigned in this arm
    Arm title
    Treatment Sequence 2 (BDAC)
    Arm description
    Particpants received 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 1 followed by single dose of 100 mg of roxadustat azo dye-containing tablet (D), orally on day 1 in period 2 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    No intervention

    Investigational medicinal product name
    No investigational medicinal product assigned in this arm
    Arm title
    Treatment Sequence 3 (CADB)
    Arm description
    Participants received single dose of 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 1 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 2 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    No intervention

    Investigational medicinal product name
    No investigational medicinal product assigned in this arm
    Arm title
    Treatment Sequence 4 (DCBA)
    Arm description
    Participants received single dose of 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 3 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    No intervention

    Investigational medicinal product name
    No investigational medicinal product assigned in this arm
    Number of subjects in period 2
    Treatment Sequence 1 (ABCD) Treatment Sequence 2 (BDAC) Treatment Sequence 3 (CADB) Treatment Sequence 4 (DCBA)
    Started
    6
    6
    6
    5
    Completed
    6
    6
    6
    5
    Period 3
    Period 3 title
    Treatment Period 2 (6 days)
    Is this the baseline period?
    No
    Allocation method
    Randomised - controlled
    Blinding used
    Not blinded

    Arms
    Are arms mutually exclusive
    Yes

    Arm title
    Treatment Sequence 1 (ABCD)
    Arm description
    Participants received single dose of 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 3 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    Experimental

    Investigational medicinal product name
    Roxadustat 100 mg azo dye free tablet/mini tablet suspension/solid mini tablet/dye containing tablet
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Oral suspension, Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Participants received 100 mg roxadustat pediatric azo dye-free tablet or dye free mini tablet suspension or dye free solid mini tablet or dye containing tablet as per the dosing sequence.

    Arm title
    Treatment Sequence 2 (BDAC)
    Arm description
    Particpants received 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 1 followed by single dose of 100 mg of roxadustat azo dye-containing tablet (D), orally on day 1 in period 2 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    Experimental

    Investigational medicinal product name
    Roxadustat 100 mg azo dye free tablet/mini tablet suspension/solid mini tablet/dye containing tablet
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Oral suspension, Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Participants received 100 mg roxadustat pediatric azo dye-free tablet or dye free mini tablet suspension or dye free solid mini tablet or dye containing tablet as per the dosing sequence.

    Arm title
    Treatment Sequence 3 (CADB)
    Arm description
    Participants received single dose of 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 1 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 2 followed by single dose of 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    Experimental

    Investigational medicinal product name
    Roxadustat 100 mg azo dye free tablet/mini tablet suspension/solid mini tablet/dye containing tablet
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Oral suspension, Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Participants received 100 mg roxadustat pediatric azo dye-free tablet or dye free mini tablet suspension or dye free solid mini tablet or dye containing tablet as per the dosing sequence.

    Arm title
    Treatment Sequence 4 (DCBA)
    Arm description
    Participants received single dose of 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 3 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    Experimental

    Investigational medicinal product name
    Roxadustat 100 mg azo dye free tablet/mini tablet suspension/solid mini tablet/dye containing tablet
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Oral suspension, Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Participants received 100 mg roxadustat pediatric azo dye-free tablet or dye free mini tablet suspension or dye free solid mini tablet or dye containing tablet as per the dosing sequence.

    Number of subjects in period 3
    Treatment Sequence 1 (ABCD) Treatment Sequence 2 (BDAC) Treatment Sequence 3 (CADB) Treatment Sequence 4 (DCBA)
    Started
    6
    6
    6
    5
    Completed
    6
    6
    6
    5
    Period 4
    Period 4 title
    Washout Period 2 (7 days)
    Is this the baseline period?
    No
    Allocation method
    Randomised - controlled
    Blinding used
    Not blinded

    Arms
    Are arms mutually exclusive
    Yes

    Arm title
    Treatment Sequence 1 (ABCD)
    Arm description
    Participants received single dose of 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 3 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    No intervention

    Investigational medicinal product name
    No investigational medicinal product assigned in this arm
    Arm title
    Treatment Sequence 2 (BDAC)
    Arm description
    Particpants received 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 1 followed by single dose of 100 mg of roxadustat azo dye-containing tablet (D), orally on day 1 in period 2 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    No intervention

    Investigational medicinal product name
    No investigational medicinal product assigned in this arm
    Arm title
    Treatment Sequence 3 (CADB)
    Arm description
    Participants received single dose of 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 1 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 2 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    No intervention

    Investigational medicinal product name
    No investigational medicinal product assigned in this arm
    Arm title
    Treatment Sequence 4 (CADB)
    Arm description
    Participants received single dose of 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 3 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    No intervention

    Investigational medicinal product name
    No investigational medicinal product assigned in this arm
    Number of subjects in period 4
    Treatment Sequence 1 (ABCD) Treatment Sequence 2 (BDAC) Treatment Sequence 3 (CADB) Treatment Sequence 4 (CADB)
    Started
    6
    6
    6
    5
    Completed
    6
    6
    6
    5
    Period 5
    Period 5 title
    Treatment Period 3 (6 days)
    Is this the baseline period?
    No
    Allocation method
    Randomised - controlled
    Blinding used
    Not blinded

    Arms
    Are arms mutually exclusive
    Yes

    Arm title
    Treatment Sequence 1 (ABCD)
    Arm description
    Participants received single dose of 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 3 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    Experimental

    Investigational medicinal product name
    Roxadustat 100 mg azo dye free tablet/mini tablet suspension/solid mini tablet/dye containing tablet
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Oral suspension, Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Participants received 100 mg roxadustat pediatric azo dye-free tablet or dye free mini tablet suspension or dye free solid mini tablet or dye containing tablet as per the dosing sequence.

    Arm title
    Treatment Sequence 2 (BDAC)
    Arm description
    Particpants received 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 1 followed by single dose of 100 mg of roxadustat azo dye-containing tablet (D), orally on day 1 in period 2 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    Experimental

    Investigational medicinal product name
    Roxadustat 100 mg azo dye free tablet/mini tablet suspension/solid mini tablet/dye containing tablet
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Oral suspension, Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Participants received 100 mg roxadustat pediatric azo dye-free tablet or dye free mini tablet suspension or dye free solid mini tablet or dye containing tablet as per the dosing sequence.

    Arm title
    Treatment Sequence 3 (CADB)
    Arm description
    Participants received single dose of 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 1 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 2 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    Experimental

    Investigational medicinal product name
    Roxadustat 100 mg azo dye free tablet/mini tablet suspension/solid mini tablet/dye containing tablet
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Oral suspension, Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Participants received 100 mg roxadustat pediatric azo dye-free tablet or dye free mini tablet suspension or dye free solid mini tablet or dye containing tablet as per the dosing sequence.

    Arm title
    Treatment Sequence 4 (DCBA)
    Arm description
    Participants received single dose of 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 3 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    Experimental

    Investigational medicinal product name
    Roxadustat 100 mg azo dye free tablet/mini tablet suspension/solid mini tablet/dye containing tablet
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Oral suspension, Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Participants received 100 mg roxadustat pediatric azo dye-free tablet or dye free mini tablet suspension or dye free solid mini tablet or dye containing tablet as per the dosing sequence.

    Number of subjects in period 5
    Treatment Sequence 1 (ABCD) Treatment Sequence 2 (BDAC) Treatment Sequence 3 (CADB) Treatment Sequence 4 (DCBA)
    Started
    6
    6
    6
    5
    Completed
    6
    5
    6
    5
    Not completed
    0
    1
    0
    0
         Withdrawal by subject
    -
    1
    -
    -
    Period 6
    Period 6 title
    Washout Period 3 (7 days)
    Is this the baseline period?
    No
    Allocation method
    Randomised - controlled
    Blinding used
    Not blinded

    Arms
    Are arms mutually exclusive
    No

    Arm title
    Treatment Sequence 1 (ABCD)
    Arm description
    Participants received single dose of 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 3 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    No intervention

    Investigational medicinal product name
    No investigational medicinal product assigned in this arm
    Arm title
    Treatment Sequence 2 (BDAC)
    Arm description
    Particpants received 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 1 followed by single dose of 100 mg of roxadustat azo dye-containing tablet (D), orally on day 1 in period 2 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    No intervention

    Investigational medicinal product name
    No investigational medicinal product assigned in this arm
    Arm title
    Treatment Sequence 3 (CADB)
    Arm description
    Participants received single dose of 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 1 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 2 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    No intervention

    Investigational medicinal product name
    No investigational medicinal product assigned in this arm
    Arm title
    Treatment Sequence 4 (DCBA)
    Arm description
    Participants received single dose of 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 3 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    No intervention

    Investigational medicinal product name
    No investigational medicinal product assigned in this arm
    Number of subjects in period 6
    Treatment Sequence 1 (ABCD) Treatment Sequence 2 (BDAC) Treatment Sequence 3 (CADB) Treatment Sequence 4 (DCBA)
    Started
    6
    5
    6
    5
    Completed
    6
    5
    6
    5
    Period 7
    Period 7 title
    Treatment Period 4 (6 days)
    Is this the baseline period?
    No
    Allocation method
    Randomised - controlled
    Blinding used
    Not blinded

    Arms
    Are arms mutually exclusive
    Yes

    Arm title
    Treatment Sequence 1 (ABCD)
    Arm description
    Participants received single dose of 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 3 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    Experimental

    Investigational medicinal product name
    Roxadustat 100 mg azo dye free tablet/mini tablet suspension/solid mini tablet/dye containing tablet
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Oral suspension, Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Participants received 100 mg roxadustat pediatric azo dye-free tablet or dye free mini tablet suspension or dye free solid mini tablet or dye containing tablet as per the dosing sequence.

    Arm title
    Treatment Sequence 2 (BDAC)
    Arm description
    Particpants received 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 1 followed by single dose of 100 mg of roxadustat azo dye-containing tablet (D), orally on day 1 in period 2 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    Experimental

    Investigational medicinal product name
    Roxadustat 100 mg azo dye free tablet/mini tablet suspension/solid mini tablet/dye containing tablet
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Oral suspension, Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Participants received 100 mg roxadustat pediatric azo dye-free tablet or dye free mini tablet suspension or dye free solid mini tablet or dye containing tablet as per the dosing sequence.

    Arm title
    Treatment Sequence 3 (CADB)
    Arm description
    Participants received single dose of 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 1 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 2 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    Experimental

    Investigational medicinal product name
    Roxadustat 100 mg azo dye free tablet/mini tablet suspension/solid mini tablet/dye containing tablet
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Oral suspension, Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Participants received 100 mg roxadustat pediatric azo dye-free tablet or dye free mini tablet suspension or dye free solid mini tablet or dye containing tablet as per the dosing sequence.

    Arm title
    Treatment Sequence 4 (DCBA)
    Arm description
    Participants received single dose of 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 3 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Arm type
    Experimental

    Investigational medicinal product name
    Roxadustat 100 mg azo dye free tablet/mini tablet suspension/solid mini tablet/dye containing tablet
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Oral suspension, Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Participants received 100 mg roxadustat pediatric azo dye-free tablet or dye free mini tablet suspension or dye free solid mini tablet or dye containing tablet as per the dosing sequence.

    Number of subjects in period 7
    Treatment Sequence 1 (ABCD) Treatment Sequence 2 (BDAC) Treatment Sequence 3 (CADB) Treatment Sequence 4 (DCBA)
    Started
    6
    5
    6
    5
    Completed
    6
    5
    6
    5

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    Treatment Sequence 1 (ABCD)
    Reporting group description
    Participants received single dose of 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 3 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 2 (BDAC)
    Reporting group description
    Particpants received 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 1 followed by single dose of 100 mg of roxadustat azo dye-containing tablet (D), orally on day 1 in period 2 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 3 (CADB)
    Reporting group description
    Participants received 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 1 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 2 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 4 (DCBA)
    Reporting group description
    Participants received single dose of 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 3 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group values
    Treatment Sequence 1 (ABCD) Treatment Sequence 2 (BDAC) Treatment Sequence 3 (CADB) Treatment Sequence 4 (DCBA) Total
    Number of subjects
    6 6 6 6
    Age categorical
    Units: Subjects
    Age continuous
    Units: years
        arithmetic mean (standard deviation)
    31.8 ± 9.8 31.8 ± 6.3 30.7 ± 7.8 30.2 ± 6.0 -
    Gender categorical
    Units: Subjects
        M
    2 1 4 1 8
        F
    4 5 2 5 16
    Analysis Race
    Units: Subjects
        White
    6 6 5 6 23
        Asian
    0 0 1 0 1
    Ethnicity
    Units: Subjects
        Hispanic or Latino
    0 0 1 0 1
        Not Hispanic or Latino
    6 6 5 6 23

    End points

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    End points reporting groups
    Reporting group title
    Treatment Sequence 1 (ABCD)
    Reporting group description
    Participants received single dose of 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 3 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 2 (BDAC)
    Reporting group description
    Particpants received 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 1 followed by single dose of 100 mg of roxadustat azo dye-containing tablet (D), orally on day 1 in period 2 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 3 (CADB)
    Reporting group description
    Participants received 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 1 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 2 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 4 (DCBA)
    Reporting group description
    Participants received single dose of 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 3 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Reporting group title
    Treatment Sequence 1 (ABCD)
    Reporting group description
    Participants received single dose of 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 3 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 2 (BDAC)
    Reporting group description
    Particpants received 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 1 followed by single dose of 100 mg of roxadustat azo dye-containing tablet (D), orally on day 1 in period 2 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 3 (CADB)
    Reporting group description
    Participants received single dose of 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 1 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 2 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 4 (DCBA)
    Reporting group description
    Participants received single dose of 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 3 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Reporting group title
    Treatment Sequence 1 (ABCD)
    Reporting group description
    Participants received single dose of 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 3 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 2 (BDAC)
    Reporting group description
    Particpants received 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 1 followed by single dose of 100 mg of roxadustat azo dye-containing tablet (D), orally on day 1 in period 2 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 3 (CADB)
    Reporting group description
    Participants received single dose of 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 1 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 2 followed by single dose of 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 4 (DCBA)
    Reporting group description
    Participants received single dose of 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 3 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Reporting group title
    Treatment Sequence 1 (ABCD)
    Reporting group description
    Participants received single dose of 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 3 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 2 (BDAC)
    Reporting group description
    Particpants received 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 1 followed by single dose of 100 mg of roxadustat azo dye-containing tablet (D), orally on day 1 in period 2 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 3 (CADB)
    Reporting group description
    Participants received single dose of 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 1 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 2 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 4 (CADB)
    Reporting group description
    Participants received single dose of 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 3 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Reporting group title
    Treatment Sequence 1 (ABCD)
    Reporting group description
    Participants received single dose of 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 3 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 2 (BDAC)
    Reporting group description
    Particpants received 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 1 followed by single dose of 100 mg of roxadustat azo dye-containing tablet (D), orally on day 1 in period 2 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 3 (CADB)
    Reporting group description
    Participants received single dose of 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 1 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 2 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 4 (DCBA)
    Reporting group description
    Participants received single dose of 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 3 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Reporting group title
    Treatment Sequence 1 (ABCD)
    Reporting group description
    Participants received single dose of 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 3 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 2 (BDAC)
    Reporting group description
    Particpants received 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 1 followed by single dose of 100 mg of roxadustat azo dye-containing tablet (D), orally on day 1 in period 2 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 3 (CADB)
    Reporting group description
    Participants received single dose of 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 1 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 2 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 4 (DCBA)
    Reporting group description
    Participants received single dose of 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 3 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.
    Reporting group title
    Treatment Sequence 1 (ABCD)
    Reporting group description
    Participants received single dose of 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 3 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 2 (BDAC)
    Reporting group description
    Particpants received 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 1 followed by single dose of 100 mg of roxadustat azo dye-containing tablet (D), orally on day 1 in period 2 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 3 (CADB)
    Reporting group description
    Participants received single dose of 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 1 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 2 followed by 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 3 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Reporting group title
    Treatment Sequence 4 (DCBA)
    Reporting group description
    Participants received single dose of 100 mg roxadustat azo dye-containing tablet (D), orally on day 1 in period 1 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet solid (C), orally on day 1 in period 2 followed by 100 mg roxadustat pediatric azo dye-free mini-tablet suspension (B), orally on day 1 in period 3 followed by 100 mg of roxadustat pediatric azo dye-free tablet (A), orally on day 1 in period 4. Each period was of 6 days. A washout period of 7 days was included between each period.

    Subject analysis set title
    Roxadustat azo dye-free tablet 100 mg
    Subject analysis set type
    Safety analysis
    Subject analysis set description
    Participants received 100 mg roxadustat pediatric azo dye-free tablet, orally on day 1 as per the dosing sequence in each period.

    Subject analysis set title
    Roxadustat azo dye-free mini tablet suspension 100 mg
    Subject analysis set type
    Safety analysis
    Subject analysis set description
    Participants received 100 mg roxadustat pediatric azo dye-free mini-tablet suspension, orally on day 1 as per the dosing sequence in each period.

    Subject analysis set title
    Roxadustat azo dye-free mini tablet 100 mg
    Subject analysis set type
    Safety analysis
    Subject analysis set description
    Participants received 100 mg roxadustat pediatric azo dye-free solid mini-tablet, orally on day 1 as per the dosing sequence in each period.

    Subject analysis set title
    Roxadustat azo dye-containing tablet 100 mg
    Subject analysis set type
    Safety analysis
    Subject analysis set description
    Participants received 100 mg roxadustat azo dye-containing tablet, orally on day 1 as per the dosing sequence in each period.

    Primary: Area Under the Curve From Time of Dosing Extrapolated to Time Infinity (AUCinf) for Roxadustat

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    End point title
    Area Under the Curve From Time of Dosing Extrapolated to Time Infinity (AUCinf) for Roxadustat
    End point description
    AUCinf was defined as area under the plasma concentration versus time curve from time of dosing (pre-dose) to extrapolated infinite time (0-inf). The analysis population was pharamcokinetic analysis set (PKAS) which included all randomized participants who received at least 1 dose of study drug and for which concentration data were available to facilitate derivation of at least 1 primary pharmacokinetic parameter and who had available data.
    End point type
    Primary
    End point timeframe
    Predose (0 hour), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 4, 5, 6, 8, 12, 16, 24, 36, 48 and 72 hours postdose on day 1
    End point values
    Roxadustat azo dye-free tablet 100 mg Roxadustat azo dye-free mini tablet suspension 100 mg Roxadustat azo dye-free mini tablet 100 mg Roxadustat azo dye-containing tablet 100 mg
    Number of subjects analysed
    22
    23
    22
    23
    Units: hour*nanogram per milliliter (h*ng/mL)
        arithmetic mean (standard deviation)
    53200 ± 13200
    56400 ± 13600
    53100 ± 12100
    54500 ± 11400
    Statistical analysis title
    Statistical Analysis 1
    Statistical analysis description
    Assessment based on an analysis of variance performed on natural log-transformed parameter with sequence, period and formulation as fixed effects and participants as a random effect. Ratios and confidence limits are transformed back to raw scale and values are expressed as percentages. The actual number of participants analyzed is 23, (and not 45; this is a system limitation).
    Comparison groups
    Roxadustat azo dye-free tablet 100 mg v Roxadustat azo dye-containing tablet 100 mg
    Number of subjects included in analysis
    45
    Analysis specification
    Pre-specified
    Analysis type
    superiority
    Method
    Parameter type
    Geometric LS Mean Ratio
    Point estimate
    98.07
    Confidence interval
         level
    90%
         sides
    2-sided
         lower limit
    93.81
         upper limit
    102.52
    Statistical analysis title
    Statistical Analysis 2
    Statistical analysis description
    Assessment based on an analysis of variance performed on natural log-transformed parameter with sequence, period and formulation as fixed effects and participants as a random effect. Ratios and confidence limits are transformed back to raw scale and values are expressed as percentages. The actual number of participants analyzed is 23, (and not 46; this is a system limitation).
    Comparison groups
    Roxadustat azo dye-free mini tablet suspension 100 mg v Roxadustat azo dye-containing tablet 100 mg
    Number of subjects included in analysis
    46
    Analysis specification
    Pre-specified
    Analysis type
    superiority
    Method
    Parameter type
    Geometric LS Mean Ratio
    Point estimate
    103.13
    Confidence interval
         level
    90%
         sides
    2-sided
         lower limit
    98.73
         upper limit
    107.73
    Statistical analysis title
    Statistical analysis 3
    Statistical analysis description
    Assessment based on an analysis of variance performed on natural log-transformed parameter with sequence, period and formulation as fixed effects and participants as a random effect. Ratios and confidence limits are transformed back to raw scale and values are expressed as percentages. The actual number of participants analyzed is 23, (and not 45; this is a system limitation).
    Comparison groups
    Roxadustat azo dye-free mini tablet 100 mg v Roxadustat azo dye-containing tablet 100 mg
    Number of subjects included in analysis
    45
    Analysis specification
    Pre-specified
    Analysis type
    superiority
    Method
    Parameter type
    Geometric LS Mean Ratio
    Point estimate
    98.08
    Confidence interval
         level
    90%
         sides
    2-sided
         lower limit
    93.82
         upper limit
    102.53

    Primary: Area Under the Concentration-Time Curve From the Time of Dosing to Last Measurable Concentration (AUClast) for Roxadustat

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    End point title
    Area Under the Concentration-Time Curve From the Time of Dosing to Last Measurable Concentration (AUClast) for Roxadustat
    End point description
    AUClast was defined as area under the plasma concentration time-curve from time of dosing to the last measured concentration. The analysis population consisted of PKAS and who had available data.
    End point type
    Primary
    End point timeframe
    Predose (0 hour), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 4, 5, 6, 8, 12, 16, 24, 36, 48 and 72 hours postdose on day 1
    End point values
    Roxadustat azo dye-free tablet 100 mg Roxadustat azo dye-free mini tablet suspension 100 mg Roxadustat azo dye-free mini tablet 100 mg Roxadustat azo dye-containing tablet 100 mg
    Number of subjects analysed
    22
    23
    22
    23
    Units: h*ng/mL
        arithmetic mean (standard deviation)
    53000 ± 13100
    56100 ± 13400
    52800 ± 11900
    54200 ± 11300
    Statistical analysis title
    Statistical Analysis 1
    Statistical analysis description
    Assessment based on an analysis of variance performed on natural log-transformed parameter with sequence, period and formulation as fixed effects and participants as a random effect. Ratios and confidence limits are transformed back to raw scale and values are expressed as percentages. The actual number of participants analyzed is 23, (and not 45; this is a system limitation).
    Comparison groups
    Roxadustat azo dye-free tablet 100 mg v Roxadustat azo dye-containing tablet 100 mg
    Number of subjects included in analysis
    45
    Analysis specification
    Pre-specified
    Analysis type
    superiority
    Method
    Parameter type
    Geometric LS Mean Ratio
    Point estimate
    98.15
    Confidence interval
         level
    90%
         sides
    2-sided
         lower limit
    93.85
         upper limit
    102.63
    Statistical analysis title
    Statistical Analysis 2
    Statistical analysis description
    Assessment based on an analysis of variance performed on natural log-transformed parameter with sequence, period and formulation as fixed effects and participants as a random effect. Ratios and confidence limits are transformed back to raw scale and values are expressed as percentages. The actual number of participants analyzed is 23, (and not 46; this is a system limitation).
    Comparison groups
    Roxadustat azo dye-free mini tablet suspension 100 mg v Roxadustat azo dye-containing tablet 100 mg
    Number of subjects included in analysis
    46
    Analysis specification
    Pre-specified
    Analysis type
    superiority
    Method
    Parameter type
    Geometric LS Mean Ratio
    Point estimate
    103.22
    Confidence interval
         level
    90%
         sides
    2-sided
         lower limit
    98.78
         upper limit
    107.85
    Statistical analysis title
    Statistical analysis 3
    Statistical analysis description
    Assessment based on an analysis of variance performed on natural log-transformed parameter with sequence, period and formulation as fixed effects and participants as a random effect. Ratios and confidence limits are transformed back to raw scale and values are expressed as percentages. The actual number of participants analyzed is 23, (and not 45; this is a system limitation).
    Comparison groups
    Roxadustat azo dye-free mini tablet 100 mg v Roxadustat azo dye-containing tablet 100 mg
    Number of subjects included in analysis
    45
    Analysis specification
    Pre-specified
    Analysis type
    superiority
    Method
    Parameter type
    Geometric LS Mean Ratio
    Point estimate
    98.08
    Confidence interval
         level
    90%
         sides
    2-sided
         lower limit
    93.79
         upper limit
    102.57

    Primary: Pharmacokinetics (PK) of Maximum Observed Concentration of Roxadustat

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    End point title
    Pharmacokinetics (PK) of Maximum Observed Concentration of Roxadustat
    End point description
    Maximum observed concentration (Cmax) was reported. The analysis population consisted of PKAS and with available data.
    End point type
    Primary
    End point timeframe
    Predose (0 hour), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 4, 5, 6, 8, 12, 16, 24, 36, 48 and 72 hours postdose on day 1
    End point values
    Roxadustat azo dye-free tablet 100 mg Roxadustat azo dye-free mini tablet suspension 100 mg Roxadustat azo dye-free mini tablet 100 mg Roxadustat azo dye-containing tablet 100 mg
    Number of subjects analysed
    22
    23
    22
    24
    Units: nanogram per milliliter
        arithmetic mean (standard deviation)
    8220 ± 1790
    8230 ± 1840
    7810 ± 1690
    8270 ± 1770
    Statistical analysis title
    Statistical Analysis 1
    Statistical analysis description
    Assessment based on an analysis of variance performed on natural log-transformed parameter with sequence, period and formulation as fixed effects and participants as a random effect. Ratios and confidence limits are transformed back to raw scale and values are expressed as percentages. The actual number of participants analyzed is 24, (and not 46; this is a system limitation).
    Comparison groups
    Roxadustat azo dye-free tablet 100 mg v Roxadustat azo dye-containing tablet 100 mg
    Number of subjects included in analysis
    46
    Analysis specification
    Pre-specified
    Analysis type
    superiority
    Method
    Parameter type
    Geometric LS Mean Ratio
    Point estimate
    99.62
    Confidence interval
         level
    90%
         sides
    2-sided
         lower limit
    91.69
         upper limit
    108.24
    Statistical analysis title
    Statistical Analysis 2
    Statistical analysis description
    Assessment based on an analysis of variance performed on natural log-transformed parameter with sequence, period and formulation as fixed effects and participants as a random effect. Ratios and confidence limits are transformed back to raw scale and values are expressed as percentages. The actual number of participants analyzed is 24, (and not 47; this is a system limitation).
    Comparison groups
    Roxadustat azo dye-free mini tablet suspension 100 mg v Roxadustat azo dye-containing tablet 100 mg
    Number of subjects included in analysis
    47
    Analysis specification
    Pre-specified
    Analysis type
    superiority
    Method
    Parameter type
    Geometric LS Mean Ratio
    Point estimate
    98.84
    Confidence interval
         level
    90%
         sides
    2-sided
         lower limit
    91.09
         upper limit
    107.25
    Statistical analysis title
    Statistical Analysis 3
    Statistical analysis description
    Assessment based on an analysis of variance performed on natural log-transformed parameter with sequence, period and formulation as fixed effects and participants as a random effect. Ratios and confidence limits are transformed back to raw scale and values are expressed as percentages. The actual number of participants analyzed is 24, (and not 46; this is a system limitation).
    Comparison groups
    Roxadustat azo dye-free mini tablet 100 mg v Roxadustat azo dye-containing tablet 100 mg
    Number of subjects included in analysis
    46
    Analysis specification
    Pre-specified
    Analysis type
    superiority
    Method
    Parameter type
    Geometric LS Mean Ratio
    Point estimate
    94.45
    Confidence interval
         level
    90%
         sides
    2-sided
         lower limit
    86.93
         upper limit
    102.62

    Secondary: Percentage of the Area Under the Concentration-Time Curve From the Time of Dosing to Time infinity due to Extrapolation From the Last Measurable Concentration to Time Infinity (AUCinf[%extrap]) for Roxadustat

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    End point title
    Percentage of the Area Under the Concentration-Time Curve From the Time of Dosing to Time infinity due to Extrapolation From the Last Measurable Concentration to Time Infinity (AUCinf[%extrap]) for Roxadustat
    End point description
    AUC%extrap was defined as the percentage of AUC [0-∞] obtained by forward extrapolation. It is calculated as (AUC [0-∞] minus AUClast)*100/ AUC [0-∞], where AUC [0-∞] = area under the plasma concentration versus time curve from time zero (pre-dose) to extrapolated infinite time (0-∞) and AUClast is area under the plasma concentration time-curve from zero (pre-dose) to the last measured concentration. The analysis population consisted of PKAS and with available data.
    End point type
    Secondary
    End point timeframe
    Predose (0 hour), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 4, 5, 6, 8, 12, 16, 24, 36, 48 and 72 hours postdose on day 1
    End point values
    Roxadustat azo dye-free tablet 100 mg Roxadustat azo dye-free mini tablet suspension 100 mg Roxadustat azo dye-free mini tablet 100 mg Roxadustat azo dye-containing tablet 100 mg
    Number of subjects analysed
    22
    23
    22
    23
    Units: % extrap
        arithmetic mean (standard deviation)
    0.400 ± 0.432
    0.439 ± 0.526
    0.464 ± 0.590
    0.520 ± 0.605
    No statistical analyses for this end point

    Secondary: Apparent Total Systemic Clearance of Roxadustat After Extravascular Dosing (CL/F)

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    End point title
    Apparent Total Systemic Clearance of Roxadustat After Extravascular Dosing (CL/F)
    End point description
    Clearance of a drug is a measure of the rate at which a drug is metabolized or eliminated by normal biological processes. Clearance obtained after oral dose (apparent oral clearance) is influenced by the fraction of the dose absorbed. The analysis population consisted of PKAS and with available data.
    End point type
    Secondary
    End point timeframe
    Predose (0 hour), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 4, 5, 6, 8, 12, 16, 24, 36, 48 and 72 hours postdose on day 1
    End point values
    Roxadustat azo dye-free tablet 100 mg Roxadustat azo dye-free mini tablet suspension 100 mg Roxadustat azo dye-free mini tablet 100 mg Roxadustat azo dye-containing tablet 100 mg
    Number of subjects analysed
    22
    23
    22
    23
    Units: Liter per hour
        arithmetic mean (standard deviation)
    2.00 ± 0.519
    1.89 ± 0.530
    2.00 ± 0.553
    1.93 ± 0.476
    No statistical analyses for this end point

    Secondary: Terminal Elimination Half-life (t1/2) of Roxadustat

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    End point title
    Terminal Elimination Half-life (t1/2) of Roxadustat
    End point description
    Plasma decay half-life is the time measured for the plasma concentration to decrease by one half. The analysis population consisted of PKAS and with available data.
    End point type
    Secondary
    End point timeframe
    Predose (0 hour), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 4, 5, 6, 8, 12, 16, 24, 36, 48 and 72 hours postdose on day 1
    End point values
    Roxadustat azo dye-free tablet 100 mg Roxadustat azo dye-free mini tablet suspension 100 mg Roxadustat azo dye-free mini tablet 100 mg Roxadustat azo dye-containing tablet 100 mg
    Number of subjects analysed
    22
    23
    22
    23
    Units: hour
        arithmetic mean (standard deviation)
    9.62 ± 1.80
    9.88 ± 2.09
    9.43 ± 2.58
    9.81 ± 1.62
    No statistical analyses for this end point

    Secondary: Time to Reach Maximum Concentration (tmax) of Roxadustat

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    End point title
    Time to Reach Maximum Concentration (tmax) of Roxadustat
    End point description
    Time to reach maximum concentration of roxadustat following drug administration (tmax) was reported. The analysis population consisted of PKAS and with available data.
    End point type
    Secondary
    End point timeframe
    Predose (0 hour), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 4, 5, 6, 8, 12, 16, 24, 36, 48 and 72 hours postdose on day 1
    End point values
    Roxadustat azo dye-free tablet 100 mg Roxadustat azo dye-free mini tablet suspension 100 mg Roxadustat azo dye-free mini tablet 100 mg Roxadustat azo dye-containing tablet 100 mg
    Number of subjects analysed
    22
    23
    22
    24
    Units: hour
        median (full range (min-max))
    2.00 (0.500 to 4.00)
    2.00 (1.00 to 4.00)
    2.00 (1.00 to 5.00)
    2.25 (0.500 to 5.07)
    No statistical analyses for this end point

    Secondary: Time Prior to the Time Corresponding to the First Measurable (nonzero) Concentration (tlag) of Roxadustat

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    End point title
    Time Prior to the Time Corresponding to the First Measurable (nonzero) Concentration (tlag) of Roxadustat
    End point description
    Tlag was defined as the time prior to the time corresponding to the first measurable concentration. The analysis population consisted of PKAS and with available data.
    End point type
    Secondary
    End point timeframe
    Predose (0 hour), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 4, 5, 6, 8, 12, 16, 24, 36, 48 and 72 hours postdose on day 1
    End point values
    Roxadustat azo dye-free tablet 100 mg Roxadustat azo dye-free mini tablet suspension 100 mg Roxadustat azo dye-free mini tablet 100 mg Roxadustat azo dye-containing tablet 100 mg
    Number of subjects analysed
    22
    23
    22
    24
    Units: hour
        median (full range (min-max))
    0 (0 to 0)
    0 (0 to 0)
    0 (0 to 0)
    0 (0 to 0)
    No statistical analyses for this end point

    Secondary: Apparent Volume of Distribution During the Terminal Elimination Phase After Extravascular Dosing (Vz/F) of Roxadustat

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    End point title
    Apparent Volume of Distribution During the Terminal Elimination Phase After Extravascular Dosing (Vz/F) of Roxadustat
    End point description
    Volume of distribution is defined as the theoretical volume in which the total amount of drug would need to be uniformly distributed to produce the desired plasma concentration of a drug. Apparent volume of distribution after oral dose (Vz/F) is influenced by the fraction absorbed. The analysis population consisted of PKAS and with available data.
    End point type
    Secondary
    End point timeframe
    Predose (0 hour), 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 4, 5, 6, 8, 12, 16, 24, 36, 48 and 72 hours postdose on day 1
    End point values
    Roxadustat azo dye-free tablet 100 mg Roxadustat azo dye-free mini tablet suspension 100 mg Roxadustat azo dye-free mini tablet 100 mg Roxadustat azo dye-containing tablet 100 mg
    Number of subjects analysed
    22
    23
    22
    23
    Units: Liter
        arithmetic mean (standard deviation)
    27.4 ± 7.79
    26.9 ± 9.07
    26.5 ± 7.05
    26.9 ± 6.14
    No statistical analyses for this end point

    Secondary: Number of Participants With Treatment-Emergent Adverse Event (TEAEs)

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    End point title
    Number of Participants With Treatment-Emergent Adverse Event (TEAEs)
    End point description
    An AE was defined as any untoward medical occurrence in a participant who was given the study drug or who had undergone study procedures and did not necessarily have a causal relationship with this treatment. An AE could therefore be any unintended sign (including an abnormal laboratory finding), symptom or disease temporally associated with the use of a medicinal (investigational) product, whether or not related to the medicinal (investigational) product. A treatment-emergent adverse event was defined as an adverse event with onset at any time from dosing until the last scheduled procedure. Safety analysis set included all randomized participants who received at least 1 dose of study drug.
    End point type
    Secondary
    End point timeframe
    From first dose of study drug up to end of study visit (up to 54 days)
    End point values
    Roxadustat azo dye-free tablet 100 mg Roxadustat azo dye-free mini tablet suspension 100 mg Roxadustat azo dye-free mini tablet 100 mg Roxadustat azo dye-containing tablet 100 mg
    Number of subjects analysed
    22
    23
    22
    24
    Units: participants
    5
    4
    6
    3
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    From first dose of study drug up to end of study visit (up to 54 days)
    Adverse event reporting additional description
    Safety analysis set included all randomized participants who received at least 1 dose of study drug.
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    20.0
    Reporting groups
    Reporting group title
    Roxadustat azo dye-free tablet 100 mg
    Reporting group description
    Participants received 100 mg roxadustat pediatric azo dye-free tablet, orally on day 1 in each period.

    Reporting group title
    Roxadustat azo dye-free mini tablet suspension 100 mg
    Reporting group description
    Participants received 100 mg roxadustat pediatric azo dye-free mini-tablet suspension, orally on day 1 in each period.

    Reporting group title
    Roxadustat azo dye-free mini tablet 100 mg
    Reporting group description
    Participants received 100 mg roxadustat pediatric azo dye-free solid mini-tablet, orally on day 1 in each period.

    Reporting group title
    Roxadustat azo dye-containing tablet 100 mg
    Reporting group description
    Participants received 100 mg roxadustat azo dye-containing tablet, orally on day 1 in each period.

    Serious adverse events
    Roxadustat azo dye-free tablet 100 mg Roxadustat azo dye-free mini tablet suspension 100 mg Roxadustat azo dye-free mini tablet 100 mg Roxadustat azo dye-containing tablet 100 mg
    Total subjects affected by serious adverse events
         subjects affected / exposed
    0 / 22 (0.00%)
    0 / 23 (0.00%)
    0 / 22 (0.00%)
    0 / 24 (0.00%)
         number of deaths (all causes)
    0
    0
    0
    0
         number of deaths resulting from adverse events
    0
    0
    0
    0
    Frequency threshold for reporting non-serious adverse events: 5%
    Non-serious adverse events
    Roxadustat azo dye-free tablet 100 mg Roxadustat azo dye-free mini tablet suspension 100 mg Roxadustat azo dye-free mini tablet 100 mg Roxadustat azo dye-containing tablet 100 mg
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    3 / 22 (13.64%)
    4 / 23 (17.39%)
    2 / 22 (9.09%)
    3 / 24 (12.50%)
    Nervous system disorders
    Headache
         subjects affected / exposed
    1 / 22 (4.55%)
    3 / 23 (13.04%)
    1 / 22 (4.55%)
    1 / 24 (4.17%)
         occurrences all number
    1
    4
    1
    1
    General disorders and administration site conditions
    Catheter site related reaction
         subjects affected / exposed
    0 / 22 (0.00%)
    2 / 23 (8.70%)
    0 / 22 (0.00%)
    0 / 24 (0.00%)
         occurrences all number
    0
    2
    0
    0
    Gastrointestinal disorders
    Nausea
         subjects affected / exposed
    0 / 22 (0.00%)
    2 / 23 (8.70%)
    0 / 22 (0.00%)
    0 / 24 (0.00%)
         occurrences all number
    0
    2
    0
    0
    Respiratory, thoracic and mediastinal disorders
    Oropharyngeal pain
         subjects affected / exposed
    0 / 22 (0.00%)
    0 / 23 (0.00%)
    0 / 22 (0.00%)
    2 / 24 (8.33%)
         occurrences all number
    0
    0
    0
    2
    Infections and infestations
    Viral upper respiratory tract infection
         subjects affected / exposed
    2 / 22 (9.09%)
    1 / 23 (4.35%)
    1 / 22 (4.55%)
    0 / 24 (0.00%)
         occurrences all number
    3
    1
    1
    0

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? Yes
    Date
    Amendment
    20 Jun 2019
    The changes included: 1.Addition of text to clarify that informed consent was to be obtained and signed by the participant prior to any study-related procedures at screening and that the participant must have met all the inclusion and none of the exclusion criteria on day -1. 2.Update of the alcohol exclusionary alcohol consumption limit for males and females in the exclusion criteria from a higher allowed weekly limit to a lower allowed daily limit. 3.Addition of exclusion criterion to exclude participants with abnormal renal function, indicated by creatinine above the upper limit of normal or chronic kidney disease (CKD) epidemiology collaboration based on the estimated glomerular filtration rate of < 90 milliliter/minute (mL/min) on day -1. 4. Addition of pregnancy to the reasons why a participant must have discontinued from study treatment. 5. Update to text to state that the premature termination of the study for reasonable cause was not optional. Addition of reasons that was to result in premature discontinuation of the study and of text to state that the whole study may have been terminated or suspended upon the request of regulatory authorities. In addition, text was added to state that regulatory authorities and the independent ethics committee (IEC) was to be informed about the discontinuation of the study.

    Interruptions (globally)

    Were there any global interruptions to the trial? No

    Limitations and caveats

    Limitations of the trial such as small numbers of subjects analysed or technical problems leading to unreliable data.
    None reported
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