🏛️ Verified NIH Record • Updated 2026-08-21

KEYMAKER-U01 Umbrella Master Study: Studies of Investigational Agents With Either Pembrolizumab (MK-3475) Alone or With Pembrolizumab PLUS Chemotherapy in Participants With Non-small Cell Lung Cancer (NSCLC) (MK-3475-U01/KEYMAKER-U01) (NCT04165798)

KEYMAKER-U01 Master Study: A Phase 1/2, Umbrella Study With Rolling Arms of Investigational Agents, Pembrolizumab, and Chemotherapy, Alone or in Combination, in Participants With Non-small Cell Lung Cancer (NSCLC)

🟢 Recruiting Interventional Protocol 📊 Observational Clinical Research Sponsor: Merck Sharp & Dohme LLC

🩺 Plain-English Summary (8th-Grade Level)

This study is referred to as the "umbrella master protocol" for pembrolizumab (MK-3475) in the treatment of non-small cell lung cancer (NSCLC). This pembrolizumab NSCLC umbrella master protocol uses a platform design and consists of this master screening study and additional substudies. Each substudy will enroll a different population of NSCLC participants.

Who can join: Review the eligibility criteria below.

Location: Banner MD Anderson Cancer Center ( Site 0001) — Gilbert, Arizona

Age range: 18 Years

🧪 Interventions in This Study

  • Tumor Imaging (DIAGNOSTIC_TEST)
  • Tumor Tissue Collection (PROCEDURE)
  • Blood Sample Collection (PROCEDURE)

📋 "Do I Qualify?" — 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria ↗

📍 All Participating Trial Locations (47 Sites)

Showing the first 25 of 47 sites.

  • Banner MD Anderson Cancer Center ( Site 0001) — Gilbert, Arizona
  • City of Hope ( Site 0014) — Duarte, California
  • UCSF Medical Center at Mission Bay ( Site 0007) — San Francisco, California
  • Georgetown University ( Site 0036) — Washington D.C., District of Columbia
  • University of Kentucky Markey Cancer Center ( Site 0019) — Lexington, Kentucky
  • MedStar Franklin Square Medical Center ( Site 0033) — Baltimore, Maryland
  • Massachusetts General Hospital ( Site 0003) — Boston, Massachusetts
  • Dana Farber Cancer Institute ( Site 0002) — Boston, Massachusetts
  • Oncology Hematology West, PC DBA Nebraska Cancer Specialists ( Site 0031) — Omaha, Nebraska
  • Dartmouth Hitchcock Medical Center ( Site 0016) — Lebanon, New Hampshire
  • John Theurer Cancer Center at Hackensack University Medical Center ( Site 0037) — Hackensack, New Jersey
  • Laura and Isaac Perlmutter Cancer Center at NYU Langone Health ( Site 0034) — New York, New York
  • Sanford Fargo Medical Center ( Site 0039) — Fargo, North Dakota
  • Cleveland Clinic Main ( Site 0006) — Cleveland, Ohio
  • Ohio State University Comprehensive Cancer Center ( Site 0015) — Columbus, Ohio
  • Abramson Cancer Center of the University of Pennsylvania ( Site 0010) — Philadelphia, Pennsylvania
  • Sanford Cancer Center ( Site 0038) — Sioux Falls, South Dakota
  • The University of Texas MD Anderson Cancer Center ( Site 0009) — Houston, Texas
  • Petz Aladar Megyei Oktato Korhaz ( Site 0062) — Győr, Győr-Moson-Sopron
  • Jász-Nagykun-Szolnok Vármegyei Hetényi Géza Kórház ( Site 0061) — Szolnok, Jász-Nagykun-Szolnok
  • Orszagos Koranyi Pulmonologiai Intezet ( Site 0060) — Budapest,
  • Soroka Medical Center ( Site 0072) — Beersheba,
  • Rambam Health Care Campus-Oncology ( Site 0076) — Haifa,
  • Shaare Zedek Medical Center ( Site 0075) — Jerusalem,
  • Meir Medical Center ( Site 0071) — Kfar Saba,

📞 Contact the Study Coordinator

Phone: (888) 577-8839

Email: Trialsites@msd.com

Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.

💰 Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

💡 How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Contact the study coordinator using the phone/email above.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
🏛️ View Official NIH Record ↗