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    Clinical Trial Results:
    A Phase II Trial to Investigate Genetic Markers of Response to Pembrolizumab (MK-3475, SCH 900475) Combined with Chemotherapy as a First-line Treatment for Non-Small Cell Lung Cancer (KEYNOTE-782)

    Summary
    EudraCT number
    2018-002598-22
    Trial protocol
    HU   ES  
    Global end of trial date
    05 Nov 2021

    Results information
    Results version number
    v1(current)
    This version publication date
    09 Nov 2022
    First version publication date
    09 Nov 2022
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    3475-782
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT03664024
    WHO universal trial number (UTN)
    -
    Other trial identifiers
    Merck: KEYNOTE-782
    Sponsors
    Sponsor organisation name
    Merck Sharp and Dohme LLC
    Sponsor organisation address
    126 East Lincoln Avenue, P.O. Box 2000, Rahway, NJ, United States, 07065
    Public contact
    Clinical Trials Disclosure, Merck Sharp and Dohme LLC, ClinicalTrialsDisclosure@merck.com
    Scientific contact
    Clinical Trials Disclosure, Merck Sharp and Dohme LLC, ClinicalTrialsDisclosure@merck.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
    Final
    Date of interim/final analysis
    05 Nov 2021
    Is this the analysis of the primary completion data?
    Yes
    Primary completion date
    05 Nov 2021
    Global end of trial reached?
    Yes
    Global end of trial date
    05 Nov 2021
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    Participants with Stage IV nonsquamous non-small cell lung cancer (NSCLC) without prior systemic treatment will be treated with standard of care pembrolizumab combined with platinum-doublet chemotherapy for 4 cycles, then pembrolizumab plus pemetrexed maintenance for up to 31 additional cycles. The platinum doublet would be pemetrexed plus the investigator’s choice of either cisplatin or carboplatin. The primary objective is to evaluate if total baseline tumor mutation burden (TMB) in cell-free circulating tumor deoxyribonucleic acid (ctDNA) is predictive of objective response per Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST 1.1) by the investigator by estimating the level of association.
    Protection of trial subjects
    This study was conducted in conformance with Good Clinical Practice standards and applicable country and/or local statutes and regulations regarding ethical committee review, informed consent, and the protection of human subjects participating in biomedical research.
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    30 Oct 2018
    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
    Canada: 5
    Country: Number of subjects enrolled
    Hungary: 35
    Country: Number of subjects enrolled
    Israel: 15
    Country: Number of subjects enrolled
    Spain: 58
    Country: Number of subjects enrolled
    United States: 5
    Worldwide total number of subjects
    118
    EEA total number of subjects
    93
    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)
    60
    From 65 to 84 years
    57
    85 years and over
    1

    Subject disposition

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    Recruitment
    Recruitment details
    -

    Pre-assignment
    Screening details
    Participants were screened in 5 countries for this study.

    Period 1
    Period 1 title
    Overall Study (overall period)
    Is this the baseline period?
    Yes
    Allocation method
    Not applicable
    Blinding used
    Not blinded

    Arms
    Arm title
    Pembrolizumab plus platinum-doublet chemotherapy
    Arm description
    Participants received pembrolizumab 200 mg intravenous (IV) infusion every 3 weeks (Q3W) on the first day of each 21-day cycle combined with a platinum-doublet of pemetrexed 500 mg/m^2 IV infusion plus investigators choice of either carboplatin AUC 5 mg/mL/m or cisplatin 75 mg/m^2 IV Q3W for up to 4 cycles, then pembrolizumab 200 mg plus pemetrexed 500 mg/m^2 IV infusion for up to 31 additional cycles up to ~2 years.
    Arm type
    Experimental

    Investigational medicinal product name
    Pembrolizumab
    Investigational medicinal product code
    Other name
    MK-3475
    Pharmaceutical forms
    Infusion
    Routes of administration
    Intravenous use
    Dosage and administration details
    200 mg, Day 1 of each 21-day cycle (Q3W)

    Investigational medicinal product name
    Pemetrexed
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Infusion
    Routes of administration
    Intravenous use
    Dosage and administration details
    500 mg/m^2 every 3 weeks

    Investigational medicinal product name
    Carboplatin
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Infusion
    Routes of administration
    Intravenous use
    Dosage and administration details
    AUC 5 mg/mL/min, Day 1 of each 21-day cycle for 4 cycles (Cycles 1 – 4). Investigator's choice of either cisplatin or carboplatin.

    Investigational medicinal product name
    Cisplatin
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Infusion
    Routes of administration
    Intravenous use
    Dosage and administration details
    75 mg/m^2, Day 1 of each 21-day cycle for 4 cycles (Cycles 1 – 4). Investigator's choice of either cisplatin or carboplatin.

    Number of subjects in period 1
    Pembrolizumab plus platinum-doublet chemotherapy
    Started
    118
    Treated
    117
    Completed
    0
    Not completed
    118
         Consent withdrawn by subject
    2
         Death
    80
         Follow-up discontinued by sponsor
    34
         Lost to follow-up
    2

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    Pembrolizumab plus platinum-doublet chemotherapy
    Reporting group description
    Participants received pembrolizumab 200 mg intravenous (IV) infusion every 3 weeks (Q3W) on the first day of each 21-day cycle combined with a platinum-doublet of pemetrexed 500 mg/m^2 IV infusion plus investigators choice of either carboplatin AUC 5 mg/mL/m or cisplatin 75 mg/m^2 IV Q3W for up to 4 cycles, then pembrolizumab 200 mg plus pemetrexed 500 mg/m^2 IV infusion for up to 31 additional cycles up to ~2 years.

    Reporting group values
    Pembrolizumab plus platinum-doublet chemotherapy Total
    Number of subjects
    118 118
    Age categorical
    Units: Participants
        In utero
    0 0
        Preterm newborn infants (gestational age < 37 wks)
    0 0
        Newborns (0-27 days)
    0 0
        Infants and toddlers (28 days-23 months)
    0 0
        Children (2-11 years)
    0 0
        Adolescents (12-17 years)
    0 0
        Adults (18-64 years)
    60 60
        From 65-84 years
    57 57
        85 years and over
    1 1
    Age Continuous
    Units: Years
        arithmetic mean (standard deviation)
    64.5 ( 9.1 ) -
    Sex: Female, Male
    Units: Participants
        Female
    46 46
        Male
    72 72
    Race (NIH/OMB)
    Units: Subjects
        American Indian or Alaska Native
    1 1
        Asian
    1 1
        Native Hawaiian or Other Pacific Islander
    0 0
        Black or African American
    2 2
        White
    114 114
        More than one race
    0 0
        Unknown or Not Reported
    0 0
    Ethnicity (NIH/OMB)
    Units: Subjects
        Hispanic or Latino
    2 2
        Not Hispanic or Latino
    116 116
        Unknown or Not Reported
    0 0

    End points

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    End points reporting groups
    Reporting group title
    Pembrolizumab plus platinum-doublet chemotherapy
    Reporting group description
    Participants received pembrolizumab 200 mg intravenous (IV) infusion every 3 weeks (Q3W) on the first day of each 21-day cycle combined with a platinum-doublet of pemetrexed 500 mg/m^2 IV infusion plus investigators choice of either carboplatin AUC 5 mg/mL/m or cisplatin 75 mg/m^2 IV Q3W for up to 4 cycles, then pembrolizumab 200 mg plus pemetrexed 500 mg/m^2 IV infusion for up to 31 additional cycles up to ~2 years.

    Subject analysis set title
    Pembrolizumab plus platinum-doublet chemotherapy overall
    Subject analysis set type
    Sub-group analysis
    Subject analysis set description
    Participants received pembrolizumab 200 mg intravenous (IV) infusion every 3 weeks (Q3W) on the first day of each 21-day cycle combined with a platinum-doublet of pemetrexed 500 mg/m^2 IV infusion plus investigators choice of either carboplatin AUC 5 mg/mL/m or cisplatin 75 mg/m^2 IV Q3W for up to 4 cycles, then pembrolizumab 200 mg plus pemetrexed 500 mg/m^2 IV infusion for up to 31 additional cycles up to ~2 years. This analysis set includes all responders and non-responders who received at least one dose of study intervention and had samples evaluable for ctDNA TMB analysis.

    Subject analysis set title
    Pembrolizumab plus platinum-doublet chemotherapy responder
    Subject analysis set type
    Sub-group analysis
    Subject analysis set description
    Participants received pembrolizumab 200 mg intravenous (IV) infusion every 3 weeks (Q3W) on the first day of each 21-day cycle combined with a platinum-doublet of pemetrexed 500 mg/m^2 IV infusion plus investigators choice of either carboplatin AUC 5 mg/mL/m or cisplatin 75 mg/m^2 IV Q3W for up to 4 cycles, then pembrolizumab 200 mg plus pemetrexed 500 mg/m^2 IV infusion for up to 31 additional cycles up to ~2 years. Participants in this analysis set were considered responders if they had a complete or partial response. This analysis set is a subset of the overall arm and includes only responders who received at least one dose of study intervention and had samples evaluable for ctDNA TMB analysis.

    Subject analysis set title
    Pembrolizumab plus platinum-doublet chemotherapy non-responder
    Subject analysis set type
    Sub-group analysis
    Subject analysis set description
    Participants received pembrolizumab 200 mg intravenous (IV) infusion every 3 weeks (Q3W) on the first day of each 21-day cycle combined with a platinum-doublet of pemetrexed 500 mg/m^2 IV infusion plus investigators choice of either carboplatin AUC 5 mg/mL/m or cisplatin 75 mg/m^2 IV Q3W for up to 4 cycles, then pembrolizumab 200 mg plus pemetrexed 500 mg/m^2 IV infusion for up to 31 additional cycles up to ~2 years. Participants were considered non-responders if they did not have complete or partial response. This analysis set is a subset of the overall arm and includes only non-responders who received at least one dose of study intervention and had samples evaluable for ctDNA TMB analysis.

    Primary: Objective Response Rate

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    End point title
    Objective Response Rate [1]
    End point description
    Objective response rate is the proportion of participants who have a confirmed complete response (CR) or partial response (PR). Objective response rate is assessed by investigator review according to Response Evaluation Criteria in Solid Tumors (RECIST) 1.1. Complete Response (CR): Disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must have reduction in short axis to <10 mm. Partial Response (PR): At least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters. The analysis population consisted of all participants who received at least one dose of study intervention. The percentage of participants with an ORR is presented.
    End point type
    Primary
    End point timeframe
    Up to ~25 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: No statistical analysis was planned for this endpoint.
    End point values
    Pembrolizumab plus platinum-doublet chemotherapy
    Number of subjects analysed
    117
    Units: Percentage of Participants
        number (confidence interval 95%)
    40.2 (31.2 to 49.6)
    No statistical analyses for this end point

    Primary: Tumor mutation burden (TMB) in cell-free circulating tumor deoxyribonucleic acid (ctDNA)

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    End point title
    Tumor mutation burden (TMB) in cell-free circulating tumor deoxyribonucleic acid (ctDNA) [2]
    End point description
    Cell-free ctDNA allows the exploration of tumor features from blood samples. TMB is a measure of mutational load in tumor cells and expressed as the number of somatic mutations per megabase (Mut/MB) of DNA. Participants with missing data are considered non-responders. The analysis population consisted of all participants who received at least one dose of study intervention and had samples evaluable for ctDNA TMB analysis. The mean TMB in cell-free ctDNA of participants is presented.
    End point type
    Primary
    End point timeframe
    Baseline (Day 1)
    Notes
    [2] - 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: No statistical analysis was planned for this endpoint.
    End point values
    Pembrolizumab plus platinum-doublet chemotherapy overall Pembrolizumab plus platinum-doublet chemotherapy responder Pembrolizumab plus platinum-doublet chemotherapy non-responder
    Number of subjects analysed
    101
    42
    59
    Units: Mut/MB
        arithmetic mean (standard deviation)
    9 ( 11.6 )
    8 ( 8.3 )
    10 ( 13.5 )
    No statistical analyses for this end point

    Secondary: Overall Survival

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    End point title
    Overall Survival
    End point description
    OS is defined as the time from the start of treatment to death due to any cause. The analysis population consisted of all participants who received at least one dose of study intervention. The Kaplan-Meier estimate of median PFS using the product-limit (Kaplan-Meier) method for censored data is presented.
    End point type
    Secondary
    End point timeframe
    Up to ~36 months
    End point values
    Pembrolizumab plus platinum-doublet chemotherapy
    Number of subjects analysed
    117
    Units: Months
        median (confidence interval 95%)
    18.1 (13.5 to 25.6)
    No statistical analyses for this end point

    Secondary: Progression Free Survival (PFS)

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    End point title
    Progression Free Survival (PFS)
    End point description
    PFS is defined as the time from enrollment to the first documented disease progression or death due to any cause, whichever occurs first as assessed by investigator review according to Response Evaluation Criteria in Solid Tumors (RECIST 1.1). The analysis population consisted of all participants who received at least one dose of study intervention. The Kaplan-Meier estimate of median PFS using the product-limit (Kaplan-Meier) method for censored data is presented.
    End point type
    Secondary
    End point timeframe
    Up to ~36 months
    End point values
    Pembrolizumab plus platinum-doublet chemotherapy
    Number of subjects analysed
    117
    Units: Months
        median (confidence interval 95%)
    7.2 (5.6 to 9.8)
    No statistical analyses for this end point

    Secondary: Percentage of Participants who experienced one or more adverse events (AEs)

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    End point title
    Percentage of Participants who experienced one or more adverse events (AEs)
    End point description
    An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. The analysis population consisted of all participants who received at least one dose of study intervention. The percentage of participants who experienced an AE is presented.
    End point type
    Secondary
    End point timeframe
    Up to ~31 months
    End point values
    Pembrolizumab plus platinum-doublet chemotherapy
    Number of subjects analysed
    117
    Units: Percentage of Participants
        number (not applicable)
    100.0
    No statistical analyses for this end point

    Secondary: Percentage of participants discontinuing study intervention due to an AE.

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    End point title
    Percentage of participants discontinuing study intervention due to an AE.
    End point description
    An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. The analysis population consisted of all participants who received at least one dose of study intervention. The percentage of participants who discontinued the study intervention due to an AE is presented.
    End point type
    Secondary
    End point timeframe
    Up to ~28 months
    End point values
    Pembrolizumab plus platinum-doublet chemotherapy
    Number of subjects analysed
    117
    Units: Percentage of Participants
        number (not applicable)
    38.5
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    For All-Cause Mortality: from allocation up to ~36 months. For AEs from start of treatment up to ~31 months.
    Adverse event reporting additional description
    All-cause mortality: All allocated participants. AEs: All allocated participants who received at least 1 dose of study intervention. Per protocol, MedDRA preferred terms "Neoplasm progression", "Malignant neoplasm progression" and "Disease progression" not related to study drug are excluded as AEs.
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    24.1
    Reporting groups
    Reporting group title
    Pembrolizumab + Pemetrexed + Platinum Agent
    Reporting group description
    -

    Serious adverse events
    Pembrolizumab + Pemetrexed + Platinum Agent
    Total subjects affected by serious adverse events
         subjects affected / exposed
    60 / 117 (51.28%)
         number of deaths (all causes)
    80
         number of deaths resulting from adverse events
    8
    Neoplasms benign, malignant and unspecified (incl cysts and polyps)
    Prostate cancer
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    General disorders and administration site conditions
    Fatigue
         subjects affected / exposed
    2 / 117 (1.71%)
         occurrences causally related to treatment / all
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    Death
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 1
    Pyrexia
         subjects affected / exposed
    2 / 117 (1.71%)
         occurrences causally related to treatment / all
    0 / 3
         deaths causally related to treatment / all
    0 / 0
    General physical health deterioration
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    1 / 1
    Respiratory, thoracic and mediastinal disorders
    Chronic obstructive pulmonary disease
         subjects affected / exposed
    3 / 117 (2.56%)
         occurrences causally related to treatment / all
    0 / 4
         deaths causally related to treatment / all
    0 / 0
    Pneumonitis
         subjects affected / exposed
    2 / 117 (1.71%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    2 / 2
    Pleural effusion
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Dyspnoea
         subjects affected / exposed
    2 / 117 (1.71%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Pulmonary embolism
         subjects affected / exposed
    2 / 117 (1.71%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Respiratory failure
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 1
    Psychiatric disorders
    Confusional state
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Investigations
    Troponin increased
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Injury, poisoning and procedural complications
    Post procedural haemorrhage
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Femur fracture
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Urinary tract stoma complication
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Tibia fracture
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Cardiac disorders
    Myocarditis
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Cardiotoxicity
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Cardiopulmonary failure
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Cardio-respiratory arrest
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 1
    Pericardial effusion
         subjects affected / exposed
    2 / 117 (1.71%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Cardiac arrest
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Nervous system disorders
    Cerebral ischaemia
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Cerebrovascular accident
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Hydrocephalus
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Dizziness
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Cognitive disorder
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Seizure
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Vertebrobasilar insufficiency
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Blood and lymphatic system disorders
    Thrombocytopenia
         subjects affected / exposed
    3 / 117 (2.56%)
         occurrences causally related to treatment / all
    2 / 3
         deaths causally related to treatment / all
    0 / 0
    Pancytopenia
         subjects affected / exposed
    3 / 117 (2.56%)
         occurrences causally related to treatment / all
    3 / 3
         deaths causally related to treatment / all
    0 / 0
    Neutropenia
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    1 / 1
    Anaemia
         subjects affected / exposed
    2 / 117 (1.71%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    Febrile neutropenia
         subjects affected / exposed
    5 / 117 (4.27%)
         occurrences causally related to treatment / all
    5 / 5
         deaths causally related to treatment / all
    2 / 2
    Eye disorders
    Papilloedema
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Gastrointestinal disorders
    Abdominal pain
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Gastric haemorrhage
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Dysphagia
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Diarrhoea
         subjects affected / exposed
    4 / 117 (3.42%)
         occurrences causally related to treatment / all
    3 / 4
         deaths causally related to treatment / all
    0 / 0
    Vomiting
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Stomatitis
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Haematemesis
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Hepatobiliary disorders
    Immune-mediated hepatitis
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Skin and subcutaneous tissue disorders
    Stevens-Johnson syndrome
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Renal and urinary disorders
    Acute kidney injury
         subjects affected / exposed
    2 / 117 (1.71%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Tubulointerstitial nephritis
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Endocrine disorders
    Adrenal insufficiency
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Musculoskeletal and connective tissue disorders
    Fracture malunion
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Bone pain
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Pathological fracture
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Infections and infestations
    Bronchitis
         subjects affected / exposed
    2 / 117 (1.71%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Cellulitis
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Device related bacteraemia
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Gangrene
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Haemophilus infection
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Influenza
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Lung abscess
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Pneumonia
         subjects affected / exposed
    11 / 117 (9.40%)
         occurrences causally related to treatment / all
    3 / 13
         deaths causally related to treatment / all
    0 / 2
    Pulmonary sepsis
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    1 / 1
    Respiratory tract infection
         subjects affected / exposed
    4 / 117 (3.42%)
         occurrences causally related to treatment / all
    0 / 5
         deaths causally related to treatment / all
    0 / 1
    Urinary tract infection
         subjects affected / exposed
    2 / 117 (1.71%)
         occurrences causally related to treatment / all
    0 / 3
         deaths causally related to treatment / all
    0 / 0
    Upper respiratory tract infection
         subjects affected / exposed
    2 / 117 (1.71%)
         occurrences causally related to treatment / all
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    Sepsis
         subjects affected / exposed
    2 / 117 (1.71%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Septic shock
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    1 / 1
    Metabolism and nutrition disorders
    Dehydration
         subjects affected / exposed
    1 / 117 (0.85%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 5%
    Non-serious adverse events
    Pembrolizumab + Pemetrexed + Platinum Agent
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    114 / 117 (97.44%)
    General disorders and administration site conditions
    Asthenia
         subjects affected / exposed
    30 / 117 (25.64%)
         occurrences all number
    46
    Chest pain
         subjects affected / exposed
    7 / 117 (5.98%)
         occurrences all number
    9
    Fatigue
         subjects affected / exposed
    25 / 117 (21.37%)
         occurrences all number
    39
    Mucosal inflammation
         subjects affected / exposed
    10 / 117 (8.55%)
         occurrences all number
    10
    Oedema peripheral
         subjects affected / exposed
    16 / 117 (13.68%)
         occurrences all number
    19
    Pyrexia
         subjects affected / exposed
    16 / 117 (13.68%)
         occurrences all number
    25
    Respiratory, thoracic and mediastinal disorders
    Cough
         subjects affected / exposed
    12 / 117 (10.26%)
         occurrences all number
    13
    Pneumonitis
         subjects affected / exposed
    7 / 117 (5.98%)
         occurrences all number
    8
    Dyspnoea
         subjects affected / exposed
    17 / 117 (14.53%)
         occurrences all number
    20
    Investigations
    Aspartate aminotransferase increased
         subjects affected / exposed
    18 / 117 (15.38%)
         occurrences all number
    33
    Amylase increased
         subjects affected / exposed
    9 / 117 (7.69%)
         occurrences all number
    14
    Alanine aminotransferase increased
         subjects affected / exposed
    20 / 117 (17.09%)
         occurrences all number
    32
    Blood alkaline phosphatase increased
         subjects affected / exposed
    6 / 117 (5.13%)
         occurrences all number
    7
    Weight decreased
         subjects affected / exposed
    14 / 117 (11.97%)
         occurrences all number
    14
    Neutrophil count decreased
         subjects affected / exposed
    7 / 117 (5.98%)
         occurrences all number
    8
    Gamma-glutamyltransferase increased
         subjects affected / exposed
    8 / 117 (6.84%)
         occurrences all number
    10
    Blood creatinine increased
         subjects affected / exposed
    17 / 117 (14.53%)
         occurrences all number
    30
    Nervous system disorders
    Dizziness
         subjects affected / exposed
    10 / 117 (8.55%)
         occurrences all number
    10
    Dysgeusia
         subjects affected / exposed
    7 / 117 (5.98%)
         occurrences all number
    7
    Headache
         subjects affected / exposed
    9 / 117 (7.69%)
         occurrences all number
    10
    Neuropathy peripheral
         subjects affected / exposed
    7 / 117 (5.98%)
         occurrences all number
    7
    Blood and lymphatic system disorders
    Anaemia
         subjects affected / exposed
    72 / 117 (61.54%)
         occurrences all number
    109
    Leukopenia
         subjects affected / exposed
    13 / 117 (11.11%)
         occurrences all number
    16
    Neutropenia
         subjects affected / exposed
    29 / 117 (24.79%)
         occurrences all number
    50
    Thrombocytopenia
         subjects affected / exposed
    17 / 117 (14.53%)
         occurrences all number
    23
    Eye disorders
    Lacrimation increased
         subjects affected / exposed
    14 / 117 (11.97%)
         occurrences all number
    14
    Gastrointestinal disorders
    Constipation
         subjects affected / exposed
    21 / 117 (17.95%)
         occurrences all number
    24
    Diarrhoea
         subjects affected / exposed
    27 / 117 (23.08%)
         occurrences all number
    44
    Nausea
         subjects affected / exposed
    36 / 117 (30.77%)
         occurrences all number
    44
    Vomiting
         subjects affected / exposed
    22 / 117 (18.80%)
         occurrences all number
    27
    Skin and subcutaneous tissue disorders
    Pruritus
         subjects affected / exposed
    6 / 117 (5.13%)
         occurrences all number
    8
    Rash
         subjects affected / exposed
    7 / 117 (5.98%)
         occurrences all number
    13
    Renal and urinary disorders
    Renal impairment
         subjects affected / exposed
    9 / 117 (7.69%)
         occurrences all number
    10
    Endocrine disorders
    Hypothyroidism
         subjects affected / exposed
    14 / 117 (11.97%)
         occurrences all number
    17
    Hyperthyroidism
         subjects affected / exposed
    7 / 117 (5.98%)
         occurrences all number
    8
    Musculoskeletal and connective tissue disorders
    Myalgia
         subjects affected / exposed
    6 / 117 (5.13%)
         occurrences all number
    8
    Arthralgia
         subjects affected / exposed
    16 / 117 (13.68%)
         occurrences all number
    22
    Back pain
         subjects affected / exposed
    12 / 117 (10.26%)
         occurrences all number
    13
    Infections and infestations
    Pneumonia
         subjects affected / exposed
    7 / 117 (5.98%)
         occurrences all number
    7
    Urinary tract infection
         subjects affected / exposed
    13 / 117 (11.11%)
         occurrences all number
    19
    Metabolism and nutrition disorders
    Decreased appetite
         subjects affected / exposed
    25 / 117 (21.37%)
         occurrences all number
    26
    Hyperglycaemia
         subjects affected / exposed
    21 / 117 (17.95%)
         occurrences all number
    25
    Hypokalaemia
         subjects affected / exposed
    8 / 117 (6.84%)
         occurrences all number
    9
    Hypomagnesaemia
         subjects affected / exposed
    6 / 117 (5.13%)
         occurrences all number
    7
    Hypophosphataemia
         subjects affected / exposed
    6 / 117 (5.13%)
         occurrences all number
    9
    Hyponatraemia
         subjects affected / exposed
    9 / 117 (7.69%)
         occurrences all number
    10

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? Yes
    Date
    Amendment
    15 May 2019
    Amendment one includes direction for re-consenting participants upon disease progression, moving the collection time point of one of the primary endpoint samples, and correcting errors in the Schedule of Activities.
    30 Sep 2021
    Amendment two includes instruction that allows participants to be enrolled in a pembrolizumab extension study upon study completion, add final analysis in the statistical analysis plan, and update the Sponsor’s branding information.

    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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    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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