Clinical Trial Results:
A Phase 3, Rollover Study to Evaluate the Safety of Long-term Treatment With Lumacaftor/Ivacaftor Combination Therapy in Subjects Aged 2 Years and Older With Cystic Fibrosis, Homozygous for the F508del-CFTR Mutation
Summary
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EudraCT number |
2019-003112-31 |
Trial protocol |
Outside EU/EEA |
Global end of trial date |
17 Jul 2019
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Results information
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Results version number |
v2(current) |
This version publication date |
25 Oct 2020
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First version publication date |
01 Feb 2020
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Other versions |
v1 |
Version creation reason |
Trial Information
Subject Disposition
Baseline Characteristics
End Points
Adverse Events
More Information
Subject Disposition
Baseline Characteristics
End Points
Adverse Events
More Information
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Trial identification
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Sponsor protocol code |
VX16-809-116
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Additional study identifiers
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ISRCTN number |
- | ||
US NCT number |
NCT03125395 | ||
WHO universal trial number (UTN) |
- | ||
Sponsors
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Sponsor organisation name |
Vertex Pharmaceuticals Incorporated
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Sponsor organisation address |
50 Northern Avenue, Boston, Massachusetts, United States,
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Public contact |
Medical Monitor, Vertex Pharmaceuticals Incorporated, +1 617 341 6777, medicalinfo@vrtx.com
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Scientific contact |
Medical Monitor, Vertex Pharmaceuticals Incorporated, +1 617 341 6777, medicalinfo@vrtx.com
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Paediatric regulatory details
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Is trial part of an agreed paediatric investigation plan (PIP) |
Yes
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EMA paediatric investigation plan number(s) |
EMEA-001582-PIP01-13 | ||
Does article 45 of REGULATION (EC) No 1901/2006 apply to this trial? |
No
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Does article 46 of REGULATION (EC) No 1901/2006 apply to this trial? |
Yes
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Results analysis stage
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Analysis stage |
Final
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Date of interim/final analysis |
20 Aug 2019
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Is this the analysis of the primary completion data? |
Yes
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Primary completion date |
17 Jul 2019
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Global end of trial reached? |
Yes
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Global end of trial date |
17 Jul 2019
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Was the trial ended prematurely? |
No
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General information about the trial
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Main objective of the trial |
To evaluate the long-term safety of lumacaftor (LUM)/ivacaftor (IVA) combination therapy in subjects aged 2 years and older with cystic fibrosis
(CF), homozygous for F508del.
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Protection of trial subjects |
The study was conducted in accordance with the ethical principles stated in the Declaration of Helsinki and the International Council on Harmonization (ICH) Guideline for Good Clinical Practice (GCP).
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Background therapy |
- | ||
Evidence for comparator |
- | ||
Actual start date of recruitment |
12 May 2017
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Long term follow-up planned |
No
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Independent data monitoring committee (IDMC) involvement? |
Yes
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Population of trial subjects
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Number of subjects enrolled per country |
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Country: Number of subjects enrolled |
Canada: 7
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Country: Number of subjects enrolled |
United States: 50
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Worldwide total number of subjects |
57
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EEA total number of subjects |
0
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Number of subjects enrolled per age group |
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In utero |
0
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Preterm newborn - gestational age < 37 wk |
0
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Newborns (0-27 days) |
0
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Infants and toddlers (28 days-23 months) |
0
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Children (2-11 years) |
57
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Adolescents (12-17 years) |
0
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Adults (18-64 years) |
0
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From 65 to 84 years |
0
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85 years and over |
0
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Recruitment
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Recruitment details |
This study was planned to have 2 cohorts: Treatment Cohort and Observational Cohort. Only the Treatment Cohort is presented in results as there were no subjects enrolled in the Observational Cohort. | ||||||||||||||||
Pre-assignment
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Screening details |
This study was conducted in subjects with CF aged 2 years and older who participated in parent study VX15-809-115 Part B (NCT02797132). | ||||||||||||||||
Period 1
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Period 1 title |
Overall Period
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Is this the baseline period? |
Yes | ||||||||||||||||
Allocation method |
Not applicable
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Blinding used |
Not blinded | ||||||||||||||||
Arms
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Arm title
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LUM/IVA | ||||||||||||||||
Arm description |
LUM/IVA granules or tablets were administered orally every 12 hours (subjects aged 2 through 5 years received LUM 100 milligram (mg)/IVA 125 mg granules or LUM 150 mg/IVA 188 mg granules based on body weight. Subjects ≥6 years of age were to receive LUM 200 mg/IVA 250 mg tablets). Doses were adjusted upward for changes in weight and age. | ||||||||||||||||
Arm type |
Experimental | ||||||||||||||||
Investigational medicinal product name |
LUM/IVA
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Investigational medicinal product code |
VX-809/VX-770
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Other name |
Lumacaftor/Ivacaftor
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Pharmaceutical forms |
Granules, Tablet
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Routes of administration |
Oral use
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Dosage and administration details |
Subjects who received LUM/IVA every 12 hours.
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Baseline characteristics reporting groups
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Reporting group title |
LUM/IVA
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Reporting group description |
LUM/IVA granules or tablets were administered orally every 12 hours (subjects aged 2 through 5 years received LUM 100 milligram (mg)/IVA 125 mg granules or LUM 150 mg/IVA 188 mg granules based on body weight. Subjects ≥6 years of age were to receive LUM 200 mg/IVA 250 mg tablets). Doses were adjusted upward for changes in weight and age. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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End points reporting groups
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Reporting group title |
LUM/IVA
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Reporting group description |
LUM/IVA granules or tablets were administered orally every 12 hours (subjects aged 2 through 5 years received LUM 100 milligram (mg)/IVA 125 mg granules or LUM 150 mg/IVA 188 mg granules based on body weight. Subjects ≥6 years of age were to receive LUM 200 mg/IVA 250 mg tablets). Doses were adjusted upward for changes in weight and age. |
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End point title |
Safety as Assessed by Number of Subjects With Treatment-Emergent Adverse Events (AEs) and Serious Adverse Events (SAEs) [1] | ||||||||||
End point description |
Study 116 safety set included all subjects dosed in study 115B who were exposed to any amount of study drug in current study 116 treatment cohort.
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End point type |
Primary
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End point timeframe |
Day 1 up to Week 98
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Notes [1] - No statistical analyses have been specified for this primary end point. It is expected there is at least one statistical analysis for each primary end point. Justification: Only descriptive statistics were planned. No statistical comparisons were planned for primary safety endpoint. |
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No statistical analyses for this end point |
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End point title |
Absolute Change in Sweat Chloride | ||||||||
End point description |
Sweat samples were collected using an approved collection device. Study 116 Full Analysis Set (FAS) included all subjects who were enrolled and exposed to any amount of study drug in current study 116.
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End point type |
Secondary
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End point timeframe |
From Parent Study 115B Baseline at Week 96
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No statistical analyses for this end point |
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End point title |
Absolute Change in Body Mass Index (BMI) | ||||||||
End point description |
BMI was defined as weight in kilogram (kg) divided by height in square meter (m^2). Study 116 FAS.
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End point type |
Secondary
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End point timeframe |
From Parent Study 115B Baseline at Week 96
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No statistical analyses for this end point |
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End point title |
Absolute Change in BMI-for-age Z-score | ||||||||
End point description |
BMI was defined as weight in kilograms divided by height in m^2. z-score is a statistical measure to describe whether a mean was above or below the standard. A z-score of 0 is equal to the mean and is considered normal. Lower numbers indicate values lower than the mean and higher numbers indicate values higher than the mean. Study 116 FAS.
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End point type |
Secondary
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End point timeframe |
From Parent Study 115B Baseline at Week 96
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No statistical analyses for this end point |
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End point title |
Absolute Change in Weight | ||||||||
End point description |
Study 116 FAS.
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End point type |
Secondary
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End point timeframe |
From Parent Study 115B Baseline at Week 96
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No statistical analyses for this end point |
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End point title |
Absolute Change in Weight-for-age Z-score | ||||||||
End point description |
Z-score is a statistical measure to describe whether a mean was above or below the standard. A z-score of 0 is equal to the mean and is considered normal. Lower numbers indicate values lower than the mean and higher numbers indicate values higher than the mean. Study 116 FAS.
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End point type |
Secondary
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End point timeframe |
From Parent Study 115B Baseline at Week 96
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No statistical analyses for this end point |
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End point title |
Absolute Change From Baseline in Stature (Height) | ||||||||
End point description |
Study 116 FAS.
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End point type |
Secondary
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End point timeframe |
From Parent Study 115B Baseline at Week 96
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No statistical analyses for this end point |
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End point title |
Absolute Change in Stature-for-age Z-score | ||||||||
End point description |
Z-score is a statistical measure to describe whether a mean was above or below the standard. A z-score of 0 is equal to the mean and is considered normal. Lower numbers indicate values lower than the mean and higher numbers indicate values higher than the mean. Study 116 FAS.
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End point type |
Secondary
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End point timeframe |
From Parent Study 115B Baseline at Week 96
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No statistical analyses for this end point |
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End point title |
Time-to-first Pulmonary Exacerbation | ||||||||
End point description |
Pulmonary exacerbation was defined as new or changed treatment with oral, inhaled, or intravenous antibiotics and fulfillment of pre-specified protocol-defined criteria. Study 115B FAS (N=60) included all subjects who were enrolled and exposed to any amount of study drug in parent study 115B. Here, 99999 represents "Not Available" as Upper limit of inter-quartile range could not be estimated because less than 75% of subjects had events.
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End point type |
Secondary
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End point timeframe |
From Parent Study 115B Baseline through Week 96
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Notes [2] - Study 115B FAS included 60 subjects. |
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No statistical analyses for this end point |
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End point title |
Number of Pulmonary Exacerbations | ||||||
End point description |
Pulmonary exacerbation was defined as new or changed treatment with oral, inhaled, or intravenous antibiotics and fulfillment of pre-specified protocol-defined criteria. Study 115B FAS.
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End point type |
Secondary
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End point timeframe |
From Parent Study 115B Baseline through Week 96
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Notes [3] - Study 115B FAS included 60 subjects. |
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No statistical analyses for this end point |
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End point title |
Number of Cystic Fibrosis Related Hospitalizations | ||||||
End point description |
Study 115B FAS.
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End point type |
Secondary
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End point timeframe |
From Parent Study 115B Baseline through Week 96
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Notes [4] - Study 115B FAS included 60 subjects. |
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No statistical analyses for this end point |
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End point title |
Absolute Change in Fecal Elastase-1 (FE-1) Levels | ||||||||
End point description |
Study 116 FAS.
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End point type |
Secondary
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End point timeframe |
From Parent Study 115B Baseline at Week 96
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No statistical analyses for this end point |
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End point title |
Absolute Change in Immunoreactive Trypsinogen (IRT) Serum Levels | ||||||||
End point description |
Study 116 FAS.
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End point type |
Secondary
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End point timeframe |
From Parent Study 115B Baseline at Week 96
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No statistical analyses for this end point |
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End point title |
Number of Subjects With Microbiology Culture Status (Positive or Negative) | ||||||||||||||||||||||||||||||||||
End point description |
Following microbial tests were performed: Burkholderia, Methicillin Resistant Staphylococcus Aureus (MRSA), Methicillin Susceptible Staphylococcus Aureus (MSSA), Pseudomonas Aeruginosa Mucoid (P. Aeruginosa Mucoid), P. Aeruginosa Non-Mucoid, P. Aeruginosa Small Colony Variant and Stenotrophomonas Maltophilia. Study 116 FAS. Here "Subject analysed" signifies those subjects who were evaluated for this outcome at Week 96.
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End point type |
Secondary
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End point timeframe |
Week 96
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No statistical analyses for this end point |
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End point title |
Absolute Change in Lung Clearance Index (LCI) 2.5 | ||||||||
End point description |
LCI 2.5 represents the number of lung turnovers required to reduce the end tidal inert gas concentration to 1/40th of its starting value. Study 116 LCI substudy set included all subjects who signed the informed consent/assent to the optional LCI substudy and were enrolled and exposed to any amount of study drug in current study 116.
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End point type |
Secondary
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End point timeframe |
From Parent Study 115B Baseline at Week 96
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No statistical analyses for this end point |
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End point title |
Absolute Change in Lung Clearance Index (LCI) 5.0 | ||||||||
End point description |
LCI 5.0 represents the number of lung turnovers required to reduce the end tidal inert gas concentration to 1/20th of its starting value. Study 116 LCI substudy set.
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End point type |
Secondary
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End point timeframe |
From Parent Study 115B Baseline at Week 96
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No statistical analyses for this end point |
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Adverse events information
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Timeframe for reporting adverse events |
Day 1 Up to Week 98
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Assessment type |
Systematic | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Dictionary used for adverse event reporting
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Dictionary name |
MedDRA | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Dictionary version |
22.0
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Reporting groups
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Reporting group title |
LUM/IVA
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Reporting group description |
LUM/IVA granules or tablets were administered orally every 12 hours (subjects aged 2 through 5 years received LUM 100 mg/IVA 125 mg granules or LUM 150 mg/IVA 188 mg granules based on body weight. Subjects ≥6 years of age were to receive LUM 200 mg/IVA 250 mg tablets). Doses were adjusted upward for changes in weight and age. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Frequency threshold for reporting non-serious adverse events: 5% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Substantial protocol amendments (globally) |
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Were there any global substantial amendments to the protocol? No | |||
Interruptions (globally) |
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Were there any global interruptions to the trial? No | |||
Limitations and caveats |
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Limitations of the trial such as small numbers of subjects analysed or technical problems leading to unreliable data. | |||
None reported |