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    Clinical Trial Results:
    A PHASE 2, MULTICENTER, RANDOMIZED STUDY OF TRASTUZUMAB DERUXTECAN IN SUBJECTS WITH HER2 MUTATED METASTATIC NON-SMALL CELL LUNG CANCER (NSCLC) [DESTINY-LUNG02]

    Summary
    EudraCT number
    2020-003427-42
    Trial protocol
    FR   NL   IT   ES  
    Global end of trial date

    Results information
    Results version number
    v1(current)
    This version publication date
    17 Apr 2024
    First version publication date
    17 Apr 2024
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    DS8201-A-U206
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT04644237
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    Daiichi Sankyo, Inc.
    Sponsor organisation address
    211 Mt Airy Rd, Basking Ridge, United States, 07920
    Public contact
    Medical Director, Daiichi Sankyo Inc., 1 9089927876, CTRInfo@dsi.com
    Scientific contact
    Medical Director, Daiichi Sankyo Inc., 1 9089927876, CTRInfo@dsi.com
    Paediatric regulatory details
    Is trial part of an agreed paediatric investigation plan (PIP)
    No
    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
    Interim
    Date of interim/final analysis
    22 Dec 2022
    Is this the analysis of the primary completion data?
    Yes
    Primary completion date
    22 Dec 2022
    Global end of trial reached?
    No
    General information about the trial
    Main objective of the trial
    This study evaluates the safety and efficacy of Trastuzumab deruxtecan (T-DXd) in epidermal growth factor 2 (HER2) mutated metastatic non-small cell lung cancer (NSCLC) subjects.
    Protection of trial subjects
    This study was conducted in compliance with the protocol, the ethical principles that have their origin in the Declaration of Helsinki, the International Council for Harmonisation (ICH) consolidated Guideline E6 for GCP (CPMP/ICH/135/95), and applicable regulatory requirement(s) including the following: • European Commission Directive (2001/20/EC Apr 2001) and/or; • European Commission Directive (2005/28/EC Apr 2005) and/or; • US Food and Drug Administration (FDA) GCP Regulations: Code of Federal Regulations (CFR) Title 21, parts 11, 50, 54, 56 and 312 as appropriate and/or; • Japanese Ministry of Health, Labor and Welfare Ordinance No. 28 (27 Mar 1997) and/or; • The Act on Securing Quality, Efficacy and Safety of Pharmaceuticals, Medical Devices, Regenerative and Cellular Therapy Products, Gene Therapy Products, and Cosmetics No. 1 (25 Nov 2014); • Other applicable local regulations.
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    19 Mar 2021
    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
    Australia: 3
    Country: Number of subjects enrolled
    Canada: 2
    Country: Number of subjects enrolled
    Spain: 6
    Country: Number of subjects enrolled
    France: 26
    Country: Number of subjects enrolled
    Italy: 10
    Country: Number of subjects enrolled
    Japan: 53
    Country: Number of subjects enrolled
    Korea, Republic of: 28
    Country: Number of subjects enrolled
    Netherlands: 8
    Country: Number of subjects enrolled
    Taiwan: 12
    Country: Number of subjects enrolled
    United States: 4
    Worldwide total number of subjects
    152
    EEA total number of subjects
    50
    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)
    97
    From 65 to 84 years
    54
    85 years and over
    1

    Subject disposition

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    Recruitment
    Recruitment details
    A total of 152 participants were randomized to T-DXd treatment in 47 clinical sites, including North America, Europe, and Asia-Pacific.

    Pre-assignment
    Screening details
    Subjects, after having the study explained to them by the investigator or designee, gave voluntary and signed informed consent before participating in any study procedures.

    Period 1
    Period 1 title
    Overall Study (overall period)
    Is this the baseline period?
    Yes
    Allocation method
    Randomised - controlled
    Blinding used
    Double blind
    Roles blinded
    Subject, Investigator
    Blinding implementation details
    The treatment assignment remained blinded to study subjects, investigators, study site personnel (except the unblinded pharmacist and other unblinded staff members as deemed necessary for site operations to maintain the blind), central imaging readers, and the Interstitial Lung Disease Adjudication Committee.

    Arms
    Are arms mutually exclusive
    Yes

    Arm title
    Trastuzumab deruxtecan 5.4 mg/kg
    Arm description
    Participants randomized to receive trastuzumab deruxtecan 5.4 mg/kg, administered by intravenous infusion every 3 weeks (Q3W).
    Arm type
    Experimental

    Investigational medicinal product name
    Trastuzumab deruxtecan
    Investigational medicinal product code
    Other name
    Trastuzumab deruxtecan, T-DXd, DS-8201a
    Pharmaceutical forms
    Powder for solution for infusion
    Routes of administration
    Intravenous use
    Dosage and administration details
    Intravenous (IV) infusion administered at a dose of 5.4 mg/kg every 3 weeks (Q3W).

    Arm title
    Trastuzumab deruxtecan 6.4 mg/kg
    Arm description
    Participants randomized to receive trastuzumab deruxtecan 6.4 mg/kg, administered by intravenous infusion every 3 weeks (Q3W).
    Arm type
    Experimental

    Investigational medicinal product name
    Trastuzumab deruxtecan
    Investigational medicinal product code
    Other name
    Trastuzumab deruxtecan, T-DXd, DS-8201a
    Pharmaceutical forms
    Powder for solution for infusion
    Routes of administration
    Intravenous use
    Dosage and administration details
    Intravenous (IV) infusion administered at a dose of 6.4 mg/kg every 3 weeks (Q3W).

    Number of subjects in period 1
    Trastuzumab deruxtecan 5.4 mg/kg Trastuzumab deruxtecan 6.4 mg/kg
    Started
    102
    50
    Completed
    27
    14
    Not completed
    75
    36
         Adverse event, serious fatal
    3
    2
         Consent withdrawn by subject
    1
    2
         Physician decision
    3
    -
         Adverse event, non-fatal
    15
    12
         Progressive Disease
    47
    19
         Not Specified
    1
    -
         Randomized but not Treated
    1
    -
         Clinical Progression
    4
    1

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    Trastuzumab deruxtecan 5.4 mg/kg
    Reporting group description
    Participants randomized to receive trastuzumab deruxtecan 5.4 mg/kg, administered by intravenous infusion every 3 weeks (Q3W).

    Reporting group title
    Trastuzumab deruxtecan 6.4 mg/kg
    Reporting group description
    Participants randomized to receive trastuzumab deruxtecan 6.4 mg/kg, administered by intravenous infusion every 3 weeks (Q3W).

    Reporting group values
    Trastuzumab deruxtecan 5.4 mg/kg Trastuzumab deruxtecan 6.4 mg/kg Total
    Number of subjects
    102 50
    Age Categorical
    Units: Subjects
    Age continuous
    Units: years
        arithmetic mean (standard deviation)
    59.8 ( 11.59 ) 59.5 ( 12.14 ) -
    Gender categorical
    Units: Subjects
        Female
    65 34 99
        Male
    37 16 53
    Race (NIH/OMB)
    Units: Subjects
        American Indian or Alaska Native
    0 0 0
        Asian
    65 31 96
        Native Hawaiian or Other Pacific Islander
    0 0 0
        Black or African American
    0 2 2
        White
    23 5 28
        More than one race
    0 0 0
        Unknown or Not Reported
    14 12 26

    End points

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    End points reporting groups
    Reporting group title
    Trastuzumab deruxtecan 5.4 mg/kg
    Reporting group description
    Participants randomized to receive trastuzumab deruxtecan 5.4 mg/kg, administered by intravenous infusion every 3 weeks (Q3W).

    Reporting group title
    Trastuzumab deruxtecan 6.4 mg/kg
    Reporting group description
    Participants randomized to receive trastuzumab deruxtecan 6.4 mg/kg, administered by intravenous infusion every 3 weeks (Q3W).

    Primary: Percentage of Participants With Confirmed Objective Response Rate by Blinded Independent Central Review Following Intravenous Administration of Trastuzumab Deruxtecan in Participants With Metastatic Non-small Cell Lung Cancer

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    End point title
    Percentage of Participants With Confirmed Objective Response Rate by Blinded Independent Central Review Following Intravenous Administration of Trastuzumab Deruxtecan in Participants With Metastatic Non-small Cell Lung Cancer [1]
    End point description
    Confirmed objective response rate (ORR), defined as the proportion of participants with complete response (CR) or partial response (PR), was assessed by blinded independent central review (BICR) based on Response Evaluation Criteria In Solid Tumors (RECIST) version 1.1. CR was defined as a disappearance of all target lesions and PR was defined as at least a 30% decrease in the sum of diameters of target lesions.
    End point type
    Primary
    End point timeframe
    9 months after the last participant is randomized to data cut off, up to approximately 21 months
    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: The Objective Response Rate for each dose level was estimated along with the 2-sided Clopper-Pearson 95% Confidence Intervals.
    End point values
    Trastuzumab deruxtecan 5.4 mg/kg Trastuzumab deruxtecan 6.4 mg/kg
    Number of subjects analysed
    102
    50
    Units: percentage of participants
        number (confidence interval 95%)
    49.0 (39.0 to 59.1)
    56.0 (41.3 to 70.0)
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    Adverse events (AE) were collected from the date of signing the informed consent form up to 47 days after last dose of the study drug, up to 21 months. For Primary Results, data was collected up until December 23, 2022.
    Adverse event reporting additional description
    A treatment-emergent adverse event (TEAE) was defined as an AE that occurred, having been absent before the first dose of study drug, or had worsened after initiating study treatment up until 47 days after the last dose of the study treatment. Safety Analysis Set included all randomized subjects who received at least one dose of study treatment.
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    25.1
    Reporting groups
    Reporting group title
    Trastuzumab deruxtecan 6.4 mg/kg
    Reporting group description
    Participants randomized to receive trastuzumab deruxtecan 6.4 mg/kg, administered by intravenous infusion every 3 weeks (Q3W).

    Reporting group title
    Trastuzumab deruxtecan 5.4 mg/kg
    Reporting group description
    Participants randomized to receive trastuzumab deruxtecan 5.4 mg/kg, administered by intravenous infusion every 3 weeks (Q3W).

    Serious adverse events
    Trastuzumab deruxtecan 6.4 mg/kg Trastuzumab deruxtecan 5.4 mg/kg
    Total subjects affected by serious adverse events
         subjects affected / exposed
    20 / 50 (40.00%)
    37 / 101 (36.63%)
         number of deaths (all causes)
    14
    37
         number of deaths resulting from adverse events
    2
    6
    Neoplasms benign, malignant and unspecified (incl cysts and polyps)
    Intracranial tumour haemorrhage
         subjects affected / exposed
    0 / 50 (0.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    0 / 0
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Cancer pain
         subjects affected / exposed
    0 / 50 (0.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Lung neoplasm malignant
         subjects affected / exposed
    0 / 50 (0.00%)
    2 / 101 (1.98%)
         occurrences causally related to treatment / all
    0 / 10
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 2
    Malignant neoplasm progression
         subjects affected / exposed
    0 / 50 (0.00%)
    2 / 101 (1.98%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 2
    General disorders and administration site conditions
    Malaise
         subjects affected / exposed
    2 / 50 (4.00%)
    0 / 101 (0.00%)
         occurrences causally related to treatment / all
    1 / 2
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Pyrexia
         subjects affected / exposed
    0 / 50 (0.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    General physical health deterioration
         subjects affected / exposed
    0 / 50 (0.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Fatigue
         subjects affected / exposed
    2 / 50 (4.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    2 / 2
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Respiratory, thoracic and mediastinal disorders
    Respiratory failure
         subjects affected / exposed
    0 / 50 (0.00%)
    2 / 101 (1.98%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Pulmonary embolism
         subjects affected / exposed
    0 / 50 (0.00%)
    2 / 101 (1.98%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Pneumothorax
         subjects affected / exposed
    0 / 50 (0.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Interstitial lung disease
         subjects affected / exposed
    1 / 50 (2.00%)
    2 / 101 (1.98%)
         occurrences causally related to treatment / all
    3 / 3
    2 / 2
         deaths causally related to treatment / all
    1 / 1
    0 / 0
    Dyspnoea
         subjects affected / exposed
    0 / 50 (0.00%)
    2 / 101 (1.98%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Pleural effusion
         subjects affected / exposed
    1 / 50 (2.00%)
    4 / 101 (3.96%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 5
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Pneumonitis
         subjects affected / exposed
    1 / 50 (2.00%)
    2 / 101 (1.98%)
         occurrences causally related to treatment / all
    1 / 1
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    1 / 1
    Psychiatric disorders
    Disorientation
         subjects affected / exposed
    1 / 50 (2.00%)
    0 / 101 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Anxiety
         subjects affected / exposed
    1 / 50 (2.00%)
    0 / 101 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Investigations
    Troponin I increased
         subjects affected / exposed
    0 / 50 (0.00%)
    2 / 101 (1.98%)
         occurrences causally related to treatment / all
    0 / 0
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Neutrophil count decreased
         subjects affected / exposed
    2 / 50 (4.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    2 / 2
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Platelet count decreased
         subjects affected / exposed
    2 / 50 (4.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    4 / 4
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    General physical condition abnormal
         subjects affected / exposed
    1 / 50 (2.00%)
    0 / 101 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 1
    0 / 0
    Injury, poisoning and procedural complications
    Subdural haemorrhage
         subjects affected / exposed
    0 / 50 (0.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Cardiac disorders
    Myocarditis
         subjects affected / exposed
    0 / 50 (0.00%)
    2 / 101 (1.98%)
         occurrences causally related to treatment / all
    0 / 0
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Acute myocardial infarction
         subjects affected / exposed
    0 / 50 (0.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Pericardial effusion
         subjects affected / exposed
    1 / 50 (2.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Nervous system disorders
    Hydrocephalus
         subjects affected / exposed
    1 / 50 (2.00%)
    0 / 101 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Neurological symptom
         subjects affected / exposed
    1 / 50 (2.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Intracranial pressure increased
         subjects affected / exposed
    0 / 50 (0.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Cerebrovascular accident
         subjects affected / exposed
    0 / 50 (0.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 1
    Blood and lymphatic system disorders
    Anaemia
         subjects affected / exposed
    2 / 50 (4.00%)
    0 / 101 (0.00%)
         occurrences causally related to treatment / all
    2 / 2
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Thrombocytopenia
         subjects affected / exposed
    0 / 50 (0.00%)
    2 / 101 (1.98%)
         occurrences causally related to treatment / all
    0 / 0
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Eye disorders
    Optic nerve disorder
         subjects affected / exposed
    0 / 50 (0.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Gastrointestinal disorders
    Vomiting
         subjects affected / exposed
    1 / 50 (2.00%)
    2 / 101 (1.98%)
         occurrences causally related to treatment / all
    0 / 1
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Nausea
         subjects affected / exposed
    0 / 50 (0.00%)
    2 / 101 (1.98%)
         occurrences causally related to treatment / all
    0 / 0
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Diarrhoea
         subjects affected / exposed
    1 / 50 (2.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    2 / 2
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Duodenal ulcer
         subjects affected / exposed
    0 / 50 (0.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Ileus
         subjects affected / exposed
    0 / 50 (0.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Intestinal perforation
         subjects affected / exposed
    0 / 50 (0.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Odynophagia
         subjects affected / exposed
    1 / 50 (2.00%)
    0 / 101 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Enterocolitis
         subjects affected / exposed
    1 / 50 (2.00%)
    0 / 101 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Colitis
         subjects affected / exposed
    1 / 50 (2.00%)
    0 / 101 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Large intestinal obstruction
         subjects affected / exposed
    0 / 50 (0.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Renal and urinary disorders
    Acute kidney injury
         subjects affected / exposed
    1 / 50 (2.00%)
    0 / 101 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Ureteric obstruction
         subjects affected / exposed
    0 / 50 (0.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Endocrine disorders
    Hypothyroidism
         subjects affected / exposed
    0 / 50 (0.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Musculoskeletal and connective tissue disorders
    Back pain
         subjects affected / exposed
    0 / 50 (0.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Infections and infestations
    Meningitis
         subjects affected / exposed
    1 / 50 (2.00%)
    0 / 101 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Urinary tract infection
         subjects affected / exposed
    1 / 50 (2.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    0 / 1
    3 / 3
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    COVID-19 pneumonia
         subjects affected / exposed
    0 / 50 (0.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    COVID-19
         subjects affected / exposed
    0 / 50 (0.00%)
    1 / 101 (0.99%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Pneumonia
         subjects affected / exposed
    3 / 50 (6.00%)
    2 / 101 (1.98%)
         occurrences causally related to treatment / all
    1 / 3
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Post procedural infection
         subjects affected / exposed
    1 / 50 (2.00%)
    0 / 101 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Metabolism and nutrition disorders
    Dehydration
         subjects affected / exposed
    1 / 50 (2.00%)
    0 / 101 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 0%
    Non-serious adverse events
    Trastuzumab deruxtecan 6.4 mg/kg Trastuzumab deruxtecan 5.4 mg/kg
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    50 / 50 (100.00%)
    101 / 101 (100.00%)
    Investigations
    Blood creatinine increased
         subjects affected / exposed
    4 / 50 (8.00%)
    6 / 101 (5.94%)
         occurrences all number
    5
    8
    Weight decreased
         subjects affected / exposed
    7 / 50 (14.00%)
    11 / 101 (10.89%)
         occurrences all number
    7
    20
    Alanine aminotransferase increased
         subjects affected / exposed
    7 / 50 (14.00%)
    14 / 101 (13.86%)
         occurrences all number
    12
    27
    Aspartate aminotransferase increased
         subjects affected / exposed
    6 / 50 (12.00%)
    19 / 101 (18.81%)
         occurrences all number
    13
    32
    Platelet count decreased
         subjects affected / exposed
    12 / 50 (24.00%)
    25 / 101 (24.75%)
         occurrences all number
    35
    41
    Neutrophil count decreased
         subjects affected / exposed
    20 / 50 (40.00%)
    32 / 101 (31.68%)
         occurrences all number
    67
    132
    Blood bilirubin increased
         subjects affected / exposed
    8 / 50 (16.00%)
    3 / 101 (2.97%)
         occurrences all number
    12
    9
    Nervous system disorders
    Dizziness
         subjects affected / exposed
    1 / 50 (2.00%)
    13 / 101 (12.87%)
         occurrences all number
    2
    17
    Headache
         subjects affected / exposed
    3 / 50 (6.00%)
    5 / 101 (4.95%)
         occurrences all number
    4
    5
    Blood and lymphatic system disorders
    Neutropenia
         subjects affected / exposed
    8 / 50 (16.00%)
    12 / 101 (11.88%)
         occurrences all number
    29
    29
    Anaemia
         subjects affected / exposed
    24 / 50 (48.00%)
    37 / 101 (36.63%)
         occurrences all number
    75
    101
    General disorders and administration site conditions
    Asthenia
         subjects affected / exposed
    13 / 50 (26.00%)
    16 / 101 (15.84%)
         occurrences all number
    39
    39
    Chest pain
         subjects affected / exposed
    4 / 50 (8.00%)
    3 / 101 (2.97%)
         occurrences all number
    6
    3
    Oedema peripheral
         subjects affected / exposed
    3 / 50 (6.00%)
    4 / 101 (3.96%)
         occurrences all number
    3
    4
    Pyrexia
         subjects affected / exposed
    6 / 50 (12.00%)
    12 / 101 (11.88%)
         occurrences all number
    7
    18
    Malaise
         subjects affected / exposed
    4 / 50 (8.00%)
    16 / 101 (15.84%)
         occurrences all number
    7
    22
    Fatigue
         subjects affected / exposed
    7 / 50 (14.00%)
    16 / 101 (15.84%)
         occurrences all number
    16
    18
    Gastrointestinal disorders
    Nausea
         subjects affected / exposed
    41 / 50 (82.00%)
    68 / 101 (67.33%)
         occurrences all number
    84
    160
    Constipation
         subjects affected / exposed
    16 / 50 (32.00%)
    37 / 101 (36.63%)
         occurrences all number
    24
    55
    Vomiting
         subjects affected / exposed
    22 / 50 (44.00%)
    31 / 101 (30.69%)
         occurrences all number
    38
    63
    Odynophagia
         subjects affected / exposed
    3 / 50 (6.00%)
    0 / 101 (0.00%)
         occurrences all number
    3
    0
    Toothache
         subjects affected / exposed
    3 / 50 (6.00%)
    0 / 101 (0.00%)
         occurrences all number
    3
    0
    Abdominal pain
         subjects affected / exposed
    6 / 50 (12.00%)
    7 / 101 (6.93%)
         occurrences all number
    8
    10
    Dyspepsia
         subjects affected / exposed
    1 / 50 (2.00%)
    8 / 101 (7.92%)
         occurrences all number
    1
    8
    Gastrooesophageal reflux disease
         subjects affected / exposed
    3 / 50 (6.00%)
    4 / 101 (3.96%)
         occurrences all number
    3
    4
    Diarrhoea
         subjects affected / exposed
    18 / 50 (36.00%)
    23 / 101 (22.77%)
         occurrences all number
    30
    39
    Stomatitis
         subjects affected / exposed
    5 / 50 (10.00%)
    15 / 101 (14.85%)
         occurrences all number
    5
    22
    Haemorrhoids
         subjects affected / exposed
    3 / 50 (6.00%)
    3 / 101 (2.97%)
         occurrences all number
    3
    4
    Respiratory, thoracic and mediastinal disorders
    Haemoptysis
         subjects affected / exposed
    3 / 50 (6.00%)
    2 / 101 (1.98%)
         occurrences all number
    3
    2
    Dyspnoea
         subjects affected / exposed
    9 / 50 (18.00%)
    5 / 101 (4.95%)
         occurrences all number
    11
    7
    Pneumonitis
         subjects affected / exposed
    6 / 50 (12.00%)
    6 / 101 (5.94%)
         occurrences all number
    7
    7
    Interstitial lung disease
         subjects affected / exposed
    6 / 50 (12.00%)
    7 / 101 (6.93%)
         occurrences all number
    6
    8
    Cough
         subjects affected / exposed
    6 / 50 (12.00%)
    9 / 101 (8.91%)
         occurrences all number
    6
    10
    Skin and subcutaneous tissue disorders
    Dry skin
         subjects affected / exposed
    3 / 50 (6.00%)
    1 / 101 (0.99%)
         occurrences all number
    4
    1
    Alopecia
         subjects affected / exposed
    17 / 50 (34.00%)
    22 / 101 (21.78%)
         occurrences all number
    21
    25
    Musculoskeletal and connective tissue disorders
    Arthralgia
         subjects affected / exposed
    3 / 50 (6.00%)
    9 / 101 (8.91%)
         occurrences all number
    4
    13
    Back pain
         subjects affected / exposed
    2 / 50 (4.00%)
    6 / 101 (5.94%)
         occurrences all number
    3
    10
    Muscle spasms
         subjects affected / exposed
    3 / 50 (6.00%)
    4 / 101 (3.96%)
         occurrences all number
    3
    4
    Infections and infestations
    Pneumonia
         subjects affected / exposed
    6 / 50 (12.00%)
    5 / 101 (4.95%)
         occurrences all number
    9
    7
    Paronychia
         subjects affected / exposed
    1 / 50 (2.00%)
    7 / 101 (6.93%)
         occurrences all number
    1
    10
    COVID-19
         subjects affected / exposed
    8 / 50 (16.00%)
    13 / 101 (12.87%)
         occurrences all number
    10
    13
    Urinary tract infection
         subjects affected / exposed
    5 / 50 (10.00%)
    3 / 101 (2.97%)
         occurrences all number
    5
    6
    White blood cell count decreased
         subjects affected / exposed
    15 / 50 (30.00%)
    26 / 101 (25.74%)
         occurrences all number
    48
    101
    Metabolism and nutrition disorders
    Hypokalaemia
         subjects affected / exposed
    3 / 50 (6.00%)
    13 / 101 (12.87%)
         occurrences all number
    7
    24
    Hypomagnesaemia
         subjects affected / exposed
    2 / 50 (4.00%)
    6 / 101 (5.94%)
         occurrences all number
    2
    7
    Decreased appetite
         subjects affected / exposed
    25 / 50 (50.00%)
    40 / 101 (39.60%)
         occurrences all number
    49
    62

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? Yes
    Date
    Amendment
    22 Oct 2020
    This amendment was primarily driven by an update in the sample size, from 100 to 150 to better characterize the efficacy and safety profiles. Additionally, the anticipated total duration of the study was increased from 25 to 31 months. This amendment update also included other minor updates to provide further clarification or specification.
    30 Nov 2021
    This amendment was primarily driven by the incorporation of an interim analyses for early assessment of the efficacy and safety of the 2 doses administered in the study. Other editorial and administrative changes were also made for improved clarity.
    08 Nov 2022
    This amendment was primarily driven by an update in the timing of the final analysis. This amendment update also included other editorial updates to provide further clarification or specification.

    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
    For support, Contact us.
    The status and protocol content of GB trials is no longer updated since 1 January 2021. For the UK, as of 31 January 2021, EU Law applies only to the territory of Northern Ireland (NI) to the extent foreseen in the Protocol on Ireland/NI. Legal notice
    As of 31 January 2023, all EU/EEA initial clinical trial applications must be submitted through CTIS . Updated EudraCT trials information and information on PIP/Art 46 trials conducted exclusively in third countries continues to be submitted through EudraCT and published on this website.

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