A Phase 1/2, Umbrella Study of the Efficacy and Safety of Pembrolizumab plus Enfortumab vedotin +/- Investigational Agents in First-Line metastatic urothelial carcinoma

2023-506385-30-00 Protocol MK-3475-04B Phase I and Phase II (Integrated) - Other Ended

Start 22 May 2023 · End 24 Feb 2026 · Status Ended · 4 EU/EEA countries · 13 sites · Protocol MK-3475-04B

Overview

Sponsor-declared trial summary

Phase Phase I and Phase II (Integrated) - Other
Status Ended
Participants planned 136
Countries 4
Sites 13

Advanced Urothelial Carcinoma

Key facts

Sponsor
Merck Sharp & Dohme LLC
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Neoplasms [C04]
Trial duration
22 May 2023 → 24 Feb 2026
Decision date (initial)
2024-02-12
Transition trial
Yes
Low-intervention
No
Rare-disease indication
No
Vulnerable population
No

External identifiers

EU CT number
2023-506385-30-00
EudraCT number
2022-001371-14
WHO UTN
U1111-1293-7564
ClinicalTrials.gov
NCT05845814

Trial design

CTIS Part I — objectives, methods, condition coding

Conditions and MedDRA coding

Advanced Urothelial Carcinoma

VersionLevelCodeTermSystem organ class
20.0 LLT 10064467 Urothelial carcinoma 10029104

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Merck Sharp & Dohme LLC

Sponsor organisation
Merck Sharp & Dohme LLC
Address
126 East Lincoln Avenue
City
Rahway
Postcode
07065-4607
Country
United States

Scientific contact point

Organisation
Merck Sharp & Dohme LLC
Contact name
Abhi Bavle

Public contact point

Organisation
Merck Sharp & Dohme LLC
Contact name
Abhi Bavle

Locations

4 EU/EEA countries · 13 investigational sites

By country

CountryMS statusPlanned subjectsSites
France Ended 15 5
Italy Ended 7 3
Netherlands Ended 17 3
Spain Ended 10 2
Rest of world
Taiwan, Korea, Republic of, Israel, United Kingdom, Chile, United States, Canada, Australia
87

Investigational sites

France

5 sites · Ended
Assistance Publique Hopitaux De Paris
service de cancerologie, 20 Rue Leblanc, 75015, Paris
Centr Georges Francois Leclerc
Centre de Recherche Clinique, 1 Rue Professeur Marion, 21000, Dijon
Centre Hospitalier Universitaire De Toulouse
Medical Oncology, 1 Avenue Irene Joliot Curie, 31059, Toulouse Cedex 9
Centre Hospitalier Universitaire De Bordeaux
service d'oncologie Medicale, 1 Rue Jean Burguet, 33000, Bordeaux
Centre Hospitalier Lyon Sud
service d'oncologie Medicale, Chemin Du Grand Revoyet, 69310, Pierre Benite

Italy

3 sites · Ended
IRCCS Istituto Nazionale Tumori Fondazione Pascale
S.C. Clinical Trials, Via Mariano Semmola 52, 80131, Naples
Ospedale San Raffaele S.r.l.
Medical Oncology, Via Olgettina 60, 20132, Milan
Fondazione IRCCS Istituto Nazionale Dei Tumori
S.C. Medical Oncology 1, Via Giacomo Venezian 1, 20133, Milan

Netherlands

3 sites · Ended
Het Nederlands Kanker Instituut-Antoni van Leeuwenhoek Ziekenhuis Stichting
Medical Oncology, Plesmanlaan 121, 1066 CX, Amsterdam
University Hospital Maastricht
Medical Oncology, P Debyelaan 25, 6229 HX, Maastricht
Erasmus Universitair Medisch Centrum Rotterdam (Erasmus MC)
Medical Oncology, Dr. Molewaterplein 40, 3015 GD, Rotterdam

Spain

2 sites · Ended
Hospital Clinico San Carlos
Medical Oncology, Calle Del Profesor Martin Lagos Sn, 28040, Madrid
Hospital Universitari Vall D Hebron
Medical Oncology, Edificio Materno-Infantil, Passeig De La Vall D'hebron 119-129, Barcelona

Country notifications

Trial-start, recruitment-start, end and early-termination notifications submitted per Member State

Country Trial startTrial end Recruitment startRecruitment end Early termination
France 2023-07-27 2026-01-19 2023-08-02 2024-02-09
Italy 2023-12-29
Netherlands 2023-05-22 2026-02-24 2023-06-23 2024-02-09
Spain 2023-10-13 2025-07-15 2023-11-15 2024-02-09

Application history

7 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2023-12-21 Netherlands Acceptable
2024-02-07
2024-02-07
2 SUBSTANTIAL MODIFICATION SM-1 2024-04-22 Netherlands Acceptable with conditions
2024-06-24
2024-06-24
3 SUBSTANTIAL MODIFICATION SM-2 2024-09-04 Netherlands Acceptable
2024-10-15
2024-10-18
4 SUBSTANTIAL MODIFICATION SM-3 2025-02-28 Netherlands Acceptable
2025-04-17
2025-04-18
5 SUBSTANTIAL MODIFICATION SM-4 2025-07-29 Netherlands Acceptable
2025-09-15
2025-09-16
6 NON SUBSTANTIAL MODIFICATION NSM-1 2025-11-04 Netherlands Acceptable
2025-09-15
2025-11-04
7 SUBSTANTIAL MODIFICATION SM-6 2025-12-17 Netherlands Acceptable
2026-03-16
2026-03-16