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Active, not recruiting Phase 3 Interventional Results available

Perioperative Pembrolizumab (MK-3475) Plus Cystectomy or Perioperative Pembrolizumab Plus Enfortumab Vedotin Plus Cystectomy Versus Cystectomy Alone in Participants Who Are Cisplatin-ineligible or Decline Cisplatin With Muscle-invasive Bladder Cancer (MK-3475-905/KEYNOTE-905/EV-303)

ClinicalTrials.gov ID: NCT03924895

Public ClinicalTrials.gov record NCT03924895. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 21, 2026, 9:31 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Randomized Phase 3 Study Evaluating Cystectomy With Perioperative Pembrolizumab and Cystectomy With Perioperative Enfortumab Vedotin and Pembrolizumab Versus Cystectomy Alone in Participants Who Are Cisplatin-Ineligible or Decline Cisplatin With Muscle-Invasive Bladder Cancer (KEYNOTE-905/EV-303)

Study identification

NCT ID
NCT03924895
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 3
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Enrollment
595 participants

Conditions and interventions

Interventions

  • Pembrolizumab Drug
  • Surgery (radical cystectomy (RC) plus Pelvic Lymph Node Dissection [PLND]) Procedure
  • Enfortumab Vedotin Drug

Drug · Procedure

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jul 23, 2019
Primary completion
Jun 5, 2025
Completion
Dec 14, 2027
Last update posted
Jun 29, 2026

2019 – 2027

United States locations

U.S. sites
39
U.S. states
26
U.S. cities
34
Facility City State ZIP Site status
University of South Alabama, Mitchell Cancer Institute ( Site 1582) Mobile Alabama 36604
CARTI Cancer Center ( Site 1577) Little Rock Arkansas 72205
St. Joseph Heritage Healthcare ( Site 0046) Fullerton California 92835
Scripps MD Anderson ( Site 0010) La Jolla California 92037
Hoag Memorial Hospital Presbyterian ( Site 1595) Newport Beach California 92663
John Wayne Cancer Institute ( Site 0075) Santa Monica California 90404
University of Colorado Hospital ( Site 0098) Aurora Colorado 80045
Georgetown University Medical Center ( Site 0022) Washington D.C. District of Columbia 20007
Emory School of Medicine ( Site 0006) Atlanta Georgia 30322
John H. Stroger Jr. Hospital of Cook County ( Site 1551) Chicago Illinois 60612
University of Chicago ( Site 0068) Chicago Illinois 60637
Parkview Cancer Institute ( Site 0077) Fort Wayne Indiana 46845
Indiana University Melvin and Bren Simon Comprehensive Cancer Center ( Site 0004) Indianapolis Indiana 46202
Wichita Urology Group ( Site 0059) Wichita Kansas 67226
Tulane University School of Medicine ( Site 0088) New Orleans Louisiana 70112
New England Cancer Specialists ( Site 0070) Westbrook Maine 04092
Greater Baltimore Medical Center ( Site 0014) Baltimore Maryland 21204
Dana-Farber Cancer Institute ( Site 1596) Boston Massachusetts 02215
M Health Fairview Ridges Hospital ( Site 1555) Burnsville Minnesota 55337
Morristown Medical Center ( Site 0015) Morristown New Jersey 07960
UNM Comprehensive Cancer Center-Clinical Research Office ( Site 0045) Albuquerque New Mexico 87106
Northwell Health - Monter Cancer Center ( Site 0083) Lake Success New York 11042
New York University Perlmutter Cancer Center ( Site 0008) New York New York 10016
Icahn School of Medicine at Mount Sinai ( Site 0031) New York New York 10029
Cleveland Clinic Main ( Site 1576) Cleveland Ohio 44195
Oklahoma Cancer Specialists and Research Institute, LLC ( Site 0021) Tulsa Oklahoma 74146
Providence Portland Medical Center [Portland, OR] ( Site 0095) Portland Oregon 97213
MidLantic Urology ( Site 0089) Bala-Cynwyd Pennsylvania 19004
Abramson Cancer Center of the University of Pennsylvania ( Site 0074) Philadelphia Pennsylvania 19104
Thomas Jefferson University ( Site 1579) Philadelphia Pennsylvania 19107
Fox Chase Cancer Center ( Site 0055) Philadelphia Pennsylvania 19111
Allegheny General Hospital ( Site 0048) Pittsburgh Pennsylvania 15212
Bon Secours St. Francis Health System ( Site 1572) Greenville South Carolina 29607
Carolina Urologic Research Center ( Site 0062) Myrtle Beach South Carolina 29572
Urology Associates [Nashville, TN] ( Site 0053) Nashville Tennessee 37209
Vanderbilt University Medical Center ( Site 0017) Nashville Tennessee 37232
Texas Oncology-Baylor Sammons Cancer Center ( Site 1552) Dallas Texas 75246
Inova Schar Cancer Institute ( Site 0007) Fairfax Virginia 22031
Charleston Area Medical Center ( Site 0023) Charleston West Virginia 25304

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 203 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03924895, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jun 29, 2026 · Synced Jul 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03924895 live on ClinicalTrials.gov.

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