A Study of LY4175408 in Participants With Advanced or Metastatic Solid Tumors.

2025-521916-20-00 Protocol J6D-MC-JSDA Human pharmacology (Phase I) - First administration to humans Ongoing, recruiting

Start 24 Oct 2025 · Status Ongoing, recruiting · 2 EU/EEA countries · 4 sites · Protocol J6D-MC-JSDA

Overview

Sponsor-declared trial summary

Phase Human pharmacology (Phase I) - First administration to humans
Status Ongoing, recruiting
Participants planned 321
Countries 2
Sites 4

Cancer

Key facts

Sponsor
Eli Lilly & Co.
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Neoplasms [C04]
Trial duration
24 Oct 2025 → ongoing
Decision date (initial)
2025-09-29
Transition trial
No
Low-intervention
No
Rare-disease indication
No
Vulnerable population
Yes

External identifiers

EU CT number
2025-521916-20-00
WHO UTN
U1111-1322-0061

Trial design

CTIS Part I — objectives, methods, condition coding

Conditions and MedDRA coding

Cancer

VersionLevelCodeTermSystem organ class
21.1 LLT 10065252 Solid tumor 10029104

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Eli Lilly & Co.

Sponsor organisation
Eli Lilly & Co.
Address
1 Lilly Corporate Center
City
Indianapolis
Postcode
46285-0001
Country
United States

Scientific contact point

Organisation
Eli Lilly & Co.
Contact name
Eli Lilly & Co.

Public contact point

Organisation
Eli Lilly & Co.
Contact name
Eli Lilly & Co.

Locations

2 EU/EEA countries · 4 investigational sites

By country

CountryMS statusPlanned subjectsSites
France Ongoing, recruiting 40 2
Spain Ongoing, recruiting 40 2
Rest of world
Korea, Republic of, Japan, United States
241

Investigational sites

France

2 sites · Ongoing, recruiting
Centre Leon Berard
Medical Oncology, 28 Rue Laennec, 69008, Lyon
Institut Gustave Roussy
DITEP, 114 Rue Edouard Vaillant, 94800, Villejuif

Spain

2 sites · Ongoing, recruiting
Hospital Universitari Vall D Hebron
Medical Oncology, Passeig De La Vall D'Hebron 119-129, 08035, Barcelona
Hospital Universitario 12 De Octubre
Medical Oncology, Avenida De Cordoba Sn, 28041, Madrid

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 2025-11-21 2025-11-27
Spain 2025-10-24 2025-11-11

Application history

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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2025-06-13 Spain Acceptable
2025-09-26
2025-09-29
2 NON SUBSTANTIAL MODIFICATION NSM-1 2025-10-07 Spain Acceptable
2025-09-26
2025-10-07