CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 851 enrolled
Drug / intervention
Pembrolizumab +5 morebiological
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT03976362
NCT03976362Phase 3Completed

A Phase 3 Study of Pembrolizumab in Combination With Carboplatin/Taxane (Paclitaxel or Nab-paclitaxel) Followed by Pembrolizumab With or Without Maintenance Olaparib in the First-line Treatment of Metastatic Squamous Non-small Cell Lung Cancer (NSCLC)

Merck Sharp & Dohme LLC·interventional·Posted Jun 6, 2019·Updated Feb 25, 2026

In Brief

A Phase 3 clinical trial evaluating Pembrolizumab, Carboplatin, and 4 other interventions for Carcinoma, Squamous Cell, Non-small-cell Lung. Completed, enrolled 851 participants across 178 sites in 20 countries.

Detailed Summary

The current study will compare pembrolizumab (MK-3475) plus maintenance olaparib, vs. pembrolizumab plus maintenance olaparib placebo for the treatment of squamous NSCLC. The study's 2 primary hypotheses are: 1. Pembrolizumab plus maintenance olaparib is superior to pembrolizumab plus maintenance olaparib placebo with respect to progression-free survival (PFS) per RECIST 1.1 by blinded independent clinical review (BICR). 2. Pembrolizumab plus maintenance olaparib is superior to pembrolizumab plus maintenance olaparib placebo with respect to overall survival (OS). As of Amendment 07, there will be no further analyses for OS and patient-reported outcome assessments.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesArgentina, Australia, Austria, Brazil, Canada, France, Germany, Japan, Mexico, New Zealand, Poland, Romania, Russia, South Korea, Spain, Taiwan, Turkey (Türkiye), Ukraine, United Kingdom, United States
Collaborators--

Timeline

Phase 3CompletedFinished
2020202120222023202420252026
First PostedJun 6, 2019
Enrollment StartJun 28, 2019
Primary CompletionSep 21, 2023
Study CompletionJan 30, 2026
TodayJul 2, 2026
Enrollment to primary: 4.2 yearsPosted 7.1 years ago

Interventions

Pembrolizumabbiological

IV infusion

Carboplatindrug

IV infusion

Paclitaxeldrug

IV infusion

Nab-paclitaxeldrug

IV infusion

Olaparibdrug

Tablets

Placebodrug

Placebo to olaparib, tablets