A clinical study of raludotatug deruxtecan in people with gastrointestinal cancers (MK-5909-005)

2024-517416-30-00 Protocol MK-5909-005 Phase II and Phase III (Integrated) Ongoing, recruitment ended

Start 31 Mar 2025 · Status Ongoing, recruitment ended · 2 EU/EEA countries · 9 sites · Protocol MK-5909-005

Overview

Sponsor-declared trial summary

Phase Phase II and Phase III (Integrated)
Status Ongoing, recruitment ended
Participants planned 197
Countries 2
Sites 9

Gastrointestinal Cancers

1. To evaluate the confirmed ORR per RECIST 1.1 as assessed by BICR

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
31 Mar 2025 → ongoing
Decision date (initial)
2025-03-27
Transition trial
No
Low-intervention
No
Rare-disease indication
No
Vulnerable population
No
Funding sources
Merck Sharp & Dohme LLC · Daiichi Sankyo, Inc.

External identifiers

EU CT number
2024-517416-30-00
WHO UTN
U1111-1312-2472

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Dose response, Pharmacogenomic, Therapy, Efficacy, Pharmacokinetic, Pharmacogenetic, Safety, Diagnosis, Prophylaxis, Pharmacoeconomic

1. To evaluate the confirmed ORR per RECIST 1.1 as assessed by BICR

Secondary objectives 4

  1. To evaluate the safety and tolerability of R-DXd
  2. To evaluate the DOR per RECIST 1.1 as assessed by BICR
  3. To evaluate PFS per RECIST 1.1 as assessed by BICR
  4. To evaluate OS

Conditions and MedDRA coding

Gastrointestinal Cancers

VersionLevelCodeTermSystem organ class
26.1 LLT 10018017 Gastrointestinal tract cancer NOS 10029104

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 3

  1. Has one of the following cancers: • Unresectable or metastatic pancreatic ductal adenocarcinoma (PDAC); • Unresectable or metastatic adenocarcinoma of the biliary tract [intra- or extrahepatic cholangiocarcinoma (CCA) or gallbladder cancer (GBC)]; • Unresectable or metastatic colorectal adenocarcinoma; • unresectable or metastatic gastric adenocarcinoma, gastroesophageal junction adenocarcinoma (GEJAC), or esophageal adenocarcinoma (EAC)
  2. Has received prior therapy for the cancer
  3. Has a life expectancy of at least 3 months

Exclusion criteria 6

  1. Has a history of (noninfectious) interstitial lung disease (ILD)/pneumonitis that required steroids or has current ILD/pneumonitis, and/or suspected ILD/pneumonitis
  2. Has clinically severe pulmonary compromise resulting from intercurrent pulmonary illnesses
  3. Has uncontrolled or significant cardiovascular disease
  4. Has a known additional malignancy that is progressing or has required active treatment within the past 3 years
  5. Has known active central nervous system (CNS) metastases and/or carcinomatous meningitis
  6. Has not adequately recovered from major surgery or has ongoing surgical complications

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

  1. Objective Response Rate (ORR)

Secondary endpoints 5

  1. Number of Participants who Experience One or More Adverse Events (AEs)
  2. Number of Participants who Discontinue Study Treatment due to an AE
  3. Duration of Response (DOR)
  4. Progression Free Survival (PFS)
  5. Overall Survival (OS)

Investigational products

Investigational medicinal products (IMPs), comparators, placebo, auxiliary

Test 1

Raludotatug Deruxtecan

PRD11558694 · Product

Active substance
Raludotatug Deruxtecan
Substance synonyms
Humanised IgG1 kappa monoclonal antibody against CDH6 conjugated to deruxtecan, DS6000A, DS-6000a
Pharmaceutical form
SOLUTION FOR INFUSION
Route of administration
INTRAVENOUS
Max daily dose
0.0 mg/kg milligram(s)/kilogram
Max total dose
0.0 mg/kg milligram(s)/kilogram
Max treatment duration
12 Month(s)
Authorisation status
Not Authorised
MA holder
MERCK & CO. INC.
Paediatric formulation
No
Orphan designation
No

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Merck Sharp & Dohme LLC

Sponsor organisation
Merck Sharp & Dohme LLC
Address
126 East Lincoln Avenue, P. O. Box 2000 P. O. Box 2000
City
Rahway
Postcode
07065-4607
Country
United States

Scientific contact point

Organisation
Merck Sharp & Dohme LLC
Contact name
Ken Hatogai

Public contact point

Organisation
Merck Sharp & Dohme LLC
Contact name
Ken Hatogai

Third parties 7

OrganisationCity, countryDuties
Parexel International Corp.
ORG-100007310
Auburndale, United States Other
Fortrea Inc.
ORG-100012602
Durham, United States Other
Median Technologies Inc
ORL-000007168
Burlington, United States Other
Labcorp Central Laboratory Services LP
ORG-100032236
Indianapolis, United States Laboratory analysis
Infinity Biologix LLC
ORG-100040369
Piscataway, United States Laboratory analysis
Almac Clinical Services LLC
ORG-100041692
Souderton, United States Interactive response technologies (IRT)
Perceptive Eclinical Limited
ORG-100041144
Nottingham, United Kingdom Other

Locations

2 EU/EEA countries · 9 investigational sites

By country

CountryMS statusPlanned subjectsSites
France Ongoing, recruitment ended 27 4
Spain Ongoing, recruitment ended 27 5
Rest of world
Argentina, United States, Chile, Canada, Taiwan, Thailand, Switzerland, Korea, Republic of, Hong Kong
143

Investigational sites

France

4 sites · Ongoing, recruitment ended
Assistance Publique Hopitaux De Paris
Hepato - Gastro - Enterology Department, 43 Boulevard De L Hopital, 75013, Paris
Institut Regional Du Cancer De Montpellier
Department of Medical Oncology, 208 Avenue Des Apothicaires, 34090, Montpellier
Centre Francois Baclesse
Clinical Research Department, 3 Avenue Du General Harris, Cs 45026, Caen Cedex 5
Institut Gustave Roussy
Department of Therapeutic Innovation and Early Phase Trials, 114 Rue Edouard Vaillant, 94800, Villejuif

Spain

5 sites · Ongoing, recruitment ended
Institut Catala D'oncologia
Medical Oncology, Carretera Canyet S/n, 08916, Badalona
Hospital General Universitario Gregorio Maranon
Medical Oncology, Calle Del Doctor Esquerdo 46, 28007, Madrid
Hospital Universitario Fundacion Jimenez Diaz
Medical Oncology, Avenida De Los Reyes Catolicos 2, 28040, Madrid
Hospital Universitario Marques De Valdecilla
Medical Oncology, Avenida Valdecilla Sn, 39008, Santander
Hospital Clinic De Barcelona
Medical Oncology, Calle Villarroel 170, 08036, 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 2025-04-23 2025-04-25 2026-02-16
Spain 2025-03-31 2025-04-11 2026-02-16

Results and documents

Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial

Documents 14 files

Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.

TypeTitleVersion
Protocol (for publication) D1_Protocol_2024-517416-30_SM01_for pub 04R
Recruitment arrangements (for publication) K1_Recruitment Arrangements and IC Procedure_FRA_FR_IN_for pub 28NOV2024
Recruitment arrangements (for publication) K1_Recruitment Arrangements_ESP_ES_IN_for pub 02DEC2024R
Subject information and informed consent form (for publication) L1_ICF_FBR consent_ESP_ES_SM01_for pub 00
Subject information and informed consent form (for publication) L1_ICF_FBR consent_FRA_FR_IN_for pub 00R
Subject information and informed consent form (for publication) L1_ICF_Main addendum disease progression_ESP_ES_SM01_for pub 01
Subject information and informed consent form (for publication) L1_ICF_Main addendum disease progression_FRA_FR_SM01_for pub 0.01
Subject information and informed consent form (for publication) L1_ICF_Main consent_ESP_ES_SM01_for pub AM01v1.01R
Subject information and informed consent form (for publication) L1_ICF_Main consent_FRA_FR_SM01_for pub AM01v1.00R
Subject information and informed consent form (for publication) L1_ICF_Optional_pregnancy follow-up_ESP_ES_IN_for pub 00R
Subject information and informed consent form (for publication) L1_ICF_Optional_pregnant partner_ESP_ES_IN_for pub 00R
Synopsis of the protocol (for publication) D1_PPLS_2024-517416-30_ESP_ES_IN_for pub 1
Synopsis of the protocol (for publication) D1_PPLS_2024-517416-30_for pub 1
Synopsis of the protocol (for publication) D1_PPLS_2024-517416-30_FRA_FR_IN_for pub 1

Application history

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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2024-12-10 Spain Acceptable
2025-03-24
2025-03-27
2 SUBSTANTIAL MODIFICATION SM-1 2025-05-23 Spain Acceptable
2025-07-18
2025-07-18
3 NON SUBSTANTIAL MODIFICATION NSM-1 2025-09-05 Spain Acceptable
2025-07-18
2025-09-05
4 SUBSTANTIAL MODIFICATION SM-2 2025-10-02 Spain Acceptable
2025-12-09
2025-12-10
5 SUBSTANTIAL MODIFICATION SM-3 2026-01-14 Spain Acceptable 2026-02-06