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Trial · NCT04865289

Registered outcomes12

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
Primary
Progression-free Survival (PFS) Based on Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST 1.1) as Assessed by Blinded Independent Central Review (BICR) in Mismatch Repair Proficient (pMMR) Participants
Up to approximately 45 months
PFS was defined as the time from randomization to the first documented progressive disease (PD) per RECIST 1.1 based on BICR, or death due to any cause, whichever occurred first. Per RECIST 1.1, PD was defined as ≥20% increase in the sum of diameters of target lesions. In addition to the relative increase of 20%, the sum had to demonstrate an absolute increase of ≥5 mm. The appearance of one or more new lesions was also considered PD. The PFS of pMMR participants was presented.
PrimaryPFS Based on RECIST 1.1 as Assessed by BICR in All Randomized ParticipantsUp to approximately 45 months
PFS was defined as the time from randomization to the first documented PD per RECIST 1.1 based on BICR, or death due to any cause, whichever occurred first. Per RECIST 1.1, PD was defined as ≥20% increase in the sum of diameters of target lesions. In addition to the relative increase of 20%, the sum had to demonstrate an absolute increase of ≥5 mm. The appearance of one or more new lesions was also considered PD. The PFS of all randomized participants was presented.
PrimaryOverall Survival (OS) in pMMR ParticipantsUp to approximately 45 months
OS was measured from the time of randomization up to death due to any cause. Participants without documented death at the time of the final analysis were to be censored at the date of the last follow-up. The OS for pMMR participants is presented.
PrimaryOS in All Randomized ParticipantsUp to approximately 45 months
OS was measured from the time of randomization up to death due to any cause. Participants without documented death at the time of the final analysis were to be censored at the date of the last follow-up. The OS for all randomized participants is presented.
SecondaryObjective Response Rate (ORR) Based on RECIST 1.1 as Assessed by BICR in pMMR ParticipantsUp to approximately 45 months
ORR was defined as the percentage of participants who had a Complete Response (CR: Disappearance of all target lesions) or a Partial Response (PR: At least a 30% decrease in the sum of diameters of target lesions) as assessed using RECIST 1.1. The percentage of pMMR participants who experienced a CR or PR is presented.
SecondaryORR Based on RECIST 1.1 as Assessed by BICR in All Randomized ParticipantsUp to approximately 45 months
ORR was defined as the percentage of participants who had a CR: Disappearance of all target lesions or a PR: At least a 30% decrease in the sum of diameters of target lesions as assessed using RECIST 1.1. The percentage of all randomized participants who experienced a CR or PR is presented.
Secondary
Mean Change From Baseline in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire Core-30 (QLQ-C30) Global Health Status/Quality of Life (Items 29 and 30) Score in pMMR Participants
Baseline and up to approximately 18 weeks
The EORTC QLQ-C30 was developed to assess the quality of life of patients with cancer. Participant responses to the questions "How would you rate your overall health during the past week?" and "How would you rate your overall quality of life during the past week?" were scored on a 7-point scale (1=Very Poor to 7=Excellent). The combined score of Global Health Status (EORTC QLQ-C30 Item 29) and Quality of Life (EORTC QLQ-C30 Item 30) was computed by averaging the raw scores of the 2 items and then applying a linear transformation to standardize the average score, so that the combined scores ranged from 0-100. A higher score indicates a better outcome. The change from baseline in GHS/QoL combined score was reported for each arm.
SecondaryMean Change From Baseline in EORTC QLQ-C30 Global Health Status/Quality of Life (Items 29 and 30) Score in All Randomized ParticipantsBaseline and up to approximately 18 weeks
The EORTC QLQ-C30 was developed to assess the quality of life of patients with cancer. Participant responses to the questions "How would you rate your overall health during the past week?" and "How would you rate your overall quality of life during the past week?" were scored on a 7-point scale (1=Very Poor to 7=Excellent). The combined score of Global Health Status (EORTC QLQ-C30 Item 29) and Quality of Life (EORTC QLQ-C30 Item 30) was computed by averaging the raw scores of the 2 items and then applying a linear transformation to standardize the average score, so that the combined scores ranged from 0-100. A higher score indicates a better outcome. The change from baseline in GHS/QoL combined score was reported for each arm.
SecondaryNumber of Participants Experiencing an Adverse Event (AE)From first dose date to 120 days after last dose date (up to approximately 58 months)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.
SecondaryNumber of Participants Experiencing a Serious Adverse Event (SAE)From first dose date to 120 days after last dose date (up to approximately 58 months)
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. An SAE is an AE that results in death, is life-threatening, requires or prolongs hospitalization, results in persistent or significant disability, is a congenital birth defect, or is another important medical event.
SecondaryNumber of Participants Experiencing an Immune-related AE (irAE)From first dose date to 120 days after last dose date (up to approximately 58 months)
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. Immune-related AEs (irAEs) were AEs that were considered immune-mediated or potentially immune-mediated and are well-documented for pembrolizumab. These irAEs may occur shortly after the first dose or several months after the last dose of pembrolizumab treatment and may affect more than one body system simultaneously. The number of participants with irAEs was reported for each arm.
SecondaryNumber of Participants Discontinuing From Study Treatment Due to an AE(s)From first dose date to last dose date (up to approximately 54 months)
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 number of participants who discontinued study treatment due to an AE was reported for each arm.

Source ClinicalTrials.govtrials-2026-11-12-0.5.0

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

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