Safety and Efficacy Study of Pembrolizumab (MK-3475) as Monotherapy in the Adjuvant Treatment of Renal Cell Carcinoma Post Nephrectomy (MK-3475-564/KEYNOTE-564)

Official Title

A Phase III, Randomized, Double-Blind, Placebo-Controlled Clinical Trial of Pembrolizumab (MK-3475) as Monotherapy in the Adjuvant Treatment of Renal Cell Carcinoma Post Nephrectomy (KEYNOTE-564)

Summary:

The purpose of this study is to evaluate the safety and efficacy of pembrolizumab (MK-3475) in the adjuvant treatment of adult participants who have undergone nephrectomy and have intermediate-high risk, high risk, or M1 no evidence of disease (M1 NED) renal cell carcinoma (RCC) with clear cell component. The primary study hypothesis is that pembrolizumab is superior to placebo with respect to Disease-free Survival (DFS) as assessed by the Investigator in male and female participants with intermediate-high risk, high risk and M1 NED RCC.

Trial Description

Primary Outcome:

  • Disease-free Survival (DFS) as Assessed by the Investigator
Secondary Outcome:
  • Overall Survival (OS)
  • Adverse Events (AEs)
  • Study Treatment Discontinuations Due to an AE
  • First Local Disease Recurrence-specific Survival (DRSS1) as Assessed by the Investigator
  • First Local Recurrence with Visceral Lesion or Distant Metastasis with Visceral Lesion or Secondary Systemic Malignancy with Visceral Lesion (DRSS2) as Assessed by the Investigator
  • DFS According to Participant Programmed Cell Death-Ligand 1 (PD-L1) Expression Status (Positive, Negative) as Assessed by the Investigator
  • OS According to Participant PD-L1 Expression Status (Positive, Negative)
  • Plasma Clearance (CL) of Pembrolizumab
  • Volume of Distribution (VD) of Pembrolizumab
  • Development of Anti-pembrolizumab Antibodies
  • European Organization for the Research and Treatment of Cancer Quality of Life Questionnaire C30 (EORTC QLQ-C30) Total Score
  • Functional Assessment of Cancer Therapy Kidney Symptom Index-Disease Related Symptoms (FKSI-DRS) Index Score
Participants will be assigned to receive study treatment until disease recurrence, unacceptable adverse events (AEs), intercurrent illness that prevents further administration of treatment, Investigator's decision to withdraw the participant, noncompliance with study treatment or procedural requirements, administrative reasons requiring cessation of treatment, or until the participant has received 17 cycles of study treatment (approximately 1 year). Each cycle is 3 weeks long.

View this trial on ClinicalTrials.gov

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Resources

Canadian Cancer Society

These resources are provided in partnership with the Canadian Cancer Society