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NCT04165083 · ClinicalTrials.gov registry record · Phase 2

KEYMAKER-U01 Substudy 2: Efficacy and Safety Study of Pembrolizumab (MK-3475) When Used With Investigational Agents in Treatment-naïve Participants With Anti-programmed Cell Death Receptor Ligand 1 (PD-L1) Positive Advanced Non-small Cell Lung Cancer (NSCLC) (MK-3475-01B/KEYMAKER-U01B)

A Phase 2 study, sponsored by Merck Sharp & Dohme.

Completed
Registry status
Phase 2
Development phase
102
Enrollment target

NCT04165083: Completed Phase 2 study, sponsored by Merck Sharp & Dohme.

NCT04165083 is a Phase 2 study that has completed, run by Merck Sharp & Dohme. The registered enrollment target is 102 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (23% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04165083, a Phase 2 study, has completed, sponsored by Merck Sharp & Dohme.

COMPLETED
Registry status
Phase 2
Development phase
102 participants
Enrollment target

Study Summary

The purpose of this study is to assess the efficacy and safety of pembrolizumab (MK-3475) in combination with MK-4830 in treatment-naïve participants with advanced squamous or non-squamous NSCLC that is PD-L1 positive. This study is one of three pembrolizumab substudies being conducted under one pembrolizumab umbrella master protocol (MK-3475-U01/KEYMAKER-U01). The pembrolizumab+ MK-0482 arm was added with Amendment 6.

Primary Outcome

ORR was defined as the percentage of participants in the analysis population who had a Complete Response (CR: Disappearance of all target lesions) or a Partial Response (PR: ≥30% decrease in the sum of diameters of target lesions) per RECIST 1.1.

Interventions

  • BIOLOGICAL Pembrolizumab
  • BIOLOGICAL MK-4830
  • BIOLOGICAL MK-0482

Trial Details

FieldValue
Enrollment Target 102 participants
Start Date 2019-12-19
Est. Completion 2025-10-31
Phase Phase 2
Merck Sharp & Dohme

558 total trials

What the finished NCT04165083 record still lists

NCT04165083 is an interventional study that assigns participants to a tested intervention. The registered 102 participants enrollment target is mid-sized for trials with a published cap, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (23% lower).

The record links to 0 conditions, and to 3 interventions - of which Pembrolizumab is the first listed.

NCT04165083 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04165083 about?

NCT04165083 is a clinical study titled "KEYMAKER-U01 Substudy 2: Efficacy and Safety Study of Pembrolizumab (MK-3475) When Used With Investigational Agents in Treatment-naïve Participants With Anti-programmed Cell Death Receptor Ligand 1 (PD-L1) Positive Advanced Non-small Cell Lung Cancer (NSCLC) (MK-3475-01B/KEYMAKER-U01B)". The purpose of this study is to assess the efficacy and safety of pembrolizumab (MK-3475) in combination with MK-4830 in treatment-naïve participants with advanced squamous or non-squamous NSCLC that is PD-L1 positive. This study is one of three pembrolizumab substudies being conducted under one pe...

What is the current status of trial NCT04165083?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 102 participants. The study started on 2019-12-19. Estimated completion is 2025-10-31.

What interventions are being tested in trial NCT04165083?

The interventions under investigation include: Pembrolizumab (BIOLOGICAL), MK-4830 (BIOLOGICAL), MK-0482 (BIOLOGICAL).

Who is sponsoring clinical trial NCT04165083?

This trial is sponsored by Merck Sharp & Dohme, which has 558 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04165083's enrollment target sits among peer trials

102 668th of 2000 higher than 1,329 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT04165083, the US trial registry maintained by the National Library of Medicine. NCT04165083 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.