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Pembrolizumab/Vibostolimab (MK-7684A) or Atezolizumab in Combination with Chemotherapy in First Line Treatment of Extensive-Stage Small Cell Lung Cancer (MK-7684A-008, KEYVIBE-008)

ClinicalTrials.gov Identifier: NCT05224141 (view full study on clinicaltrials.gov)
Condition:  Small Cell Lung Carcinoma
Status:  Active, not recruiting


Official Title: A Phase 3, Randomized, Double-Blind Study of MK-7684A in Combination with Etoposide and Platinum Followed by MK-7684A vs Atezolizumab in Combination with Etoposide and Platinum Followed by Atezolizumab for the First-Line Treatment of Participants with Extensive-Stage Small Cell Lung Cancer

This study will evaluate the combination of a fixed dose pembrolizumab/vibostolimab co-formulation (MK-7684A) with etoposide/platinum chemotherapy followed by MK-7684A compared to the combination of atezolizumab with etoposide/platinum chemotherapy followed by atezolizumab in the first-line treatment of Extensive-Stage Small Cell Lung Cancer (ES-SCLC). The primary hypothesis is, with respect to overall survival, MK-7684A in combination with the background therapy of etoposide/platinum followed by MK-7684A, is superior to atezolizumab in combination with the background therapy of etoposide/platinum followed by atezolizumab.

Interventional
Phase 3
450
March 2022
June 2027
May 2025
18 years and older
All
No


CRITERIA

Inclusion Criteria:

  • Has histologically or cytologically confirmed diagnosis of ES-SCLC in need of first-line
therapy
  • Has ES-SCLC defined as Stage IV (T any, N any, M1a/b/c) by the American Joint Committee on Cancer, Eighth Edition or T3-T4 due to multiple lung nodules that are too extensive or have tumor/nodal volume that is too large to be encompassed in a tolerable radiation plan
  • Males agree to use contraception, refrain from donating sperm, and abstain from heterosexual intercourse
  • Females are not pregnant or breastfeeding, is not a woman of childbearing potential (WOCBP) or is a WOCBP who uses a highly effective contraceptive method, or is abstinent from heterosexual intercourse
  • Has measurable disease per Response Evaluation Criteria In Solid Tumors (RECIST) 1.1
  • Has a predicted life expectancy of >3 months

Exclusion Criteria:

  • Is considered a poor medical risk due to a serious, uncontrolled medical disorder or non-malignant systemic disease
  • Has received prior treatment for Small Cell Lung Cancer (SCLC)
  • Is expected to require any other form of antineoplastic therapy for SCLC while on study
  • Has received a live or live-attenuated vaccine within 30 days before the first dose of study intervention
  • Has received an investigational agent or has used an investigational device within 4 weeks prior to study intervention administration
  • Has a diagnosis of immunodeficiency or is receiving chronic systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior the first dose of study medication
  • Has a known additional malignancy that is progressing or has required active treatment within the past 3 years
  • Has known active central nervous system (CNS) metastases and/or carcinomatous meningitis
  • Has a history of severe hypersensitivity reaction (≥Grade 3) to any study intervention and/or any of its excipients
  • Has an active autoimmune disease that has required systemic treatment in past 2 years
  • Has a history of (noninfectious) pneumonitis/interstitial lung disease that required steroids or has current pneumonitis/interstitial lung disease
  • Has a known history of, or active, neurologic paraneoplastic syndrome
  • Has an active infection requiring systemic therapy
  • Has a known history of human immunodeficiency virus (HIV) infection
  • Has a known history of Hepatitis B or known active Hepatitis C virus infection
  • Has had an allogenic tissue/solid organ transplant
  • Has had major surgery within prior 3 weeks or has not recovered adequately from toxicity and/or complications from an intervention prior to receiving the first dose of study intervention
  • Has symptomatic ascites or pleural effusion

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No Study Results Posted



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