An Open-Label, Phase 1 Study of the CTPS1 Inhibitor STP938 in Adult Subjects with Advanced Solid Tumors, with a Safety Expansion in Advanced CTPS2 Null Ovarian Cancer

2024-512375-12-00 Human pharmacology (Phase I) - Other Authorised, recruiting

Start 18 Apr 2025 · Status Authorised, recruiting · 2 EU/EEA countries · 9 sites

Overview

Sponsor-declared trial summary

Phase Human pharmacology (Phase I) - Other
Status Authorised, recruiting
Participants planned 70
Countries 2
Sites 9

Solid tumors and ovarian cancer

Key facts

Sponsor
Step Pharma
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Neoplasms [C04]
Trial duration
18 Apr 2025 → ongoing
Decision date (initial)
2024-11-19
Transition trial
No
Low-intervention
No
Rare-disease indication
No
Vulnerable population
Yes

External identifiers

EU CT number
2024-512375-12-00
ClinicalTrials.gov
NCT06297525

Trial design

CTIS Part I — objectives, methods, condition coding

Conditions and MedDRA coding

Solid tumors and ovarian cancer

VersionLevelCodeTermSystem organ class
21.1 LLT 10065252 Solid tumor 10029104
21.1 LLT 10033131 Ovarian carcinoma 10029104

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Step Pharma

Sponsor organisation
Step Pharma
Address
101 Rue De Sevres
City
Paris
Postcode
75006
Country
France

Scientific contact point

Organisation
Step Pharma
Contact name
VP, Head of Clinical Operations

Public contact point

Organisation
Step Pharma
Contact name
VP, Head of Clinical Operations

Locations

2 EU/EEA countries · 9 investigational sites

By country

CountryMS statusPlanned subjectsSites
France Ongoing, recruiting 10 4
Spain Authorised, recruitment pending 10 5
Rest of world
United Kingdom, United States
50

Investigational sites

France

4 sites · Ongoing, recruiting
Institut Bergonie
Département d’oncologie médicale, 180 R De Saint Genes, 229 Cours De L Argonne, Bordeaux
Centre Antoine Lacassagne
Service d’oncologie, 33 Avenue De Valombrose, 06189, Nice Cedex 2
Institut Gustave Roussy
DITEP (Département d’Innovation Thérapeutique et d’Essais Précoces), 114 Rue Edouard Vaillant, 94800, Villejuif
Centre De Lutte Contre Le Cancer Eugene Marquis
Service de Gynécologie oncologie, Avenue La Bataille Flandre Dunkerque, Cs 44229, Rennes Cedex

Spain

5 sites · Authorised, recruitment pending
Hospital Clinico Universitario De Valencia
Medical Oncology, Avenida Blasco Ibanez 17, 46010, Valencia
Hospital Universitari Vall D Hebron
Medical Oncology, Passeig De La Vall D'Hebron 119-129, 08035, Barcelona
Hospital Universitario Hm Sanchinarro
Centro Integral Oncologico Clara Campal, Calle Ona 10, 28050, Madrid
Clinica Universidad De Navarra
Medical Oncology, Calle Marquesado De Santa Marta 1, 28027, Madrid
University Hospital Virgen Del Rocio S.L.
Medical Oncology, Avenida De Manuel Siurot S/n, 41013, Sevilla

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 2025-04-18 2025-04-18

Application history

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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2024-08-02 Spain Acceptable
2024-11-18
2024-11-18
2 SUBSTANTIAL MODIFICATION SM-1 2024-11-28 Spain Acceptable
2025-01-23
2025-01-23
3 SUBSTANTIAL MODIFICATION SM-3 2025-03-27 Spain Acceptable 2025-04-10
4 NON SUBSTANTIAL MODIFICATION NSM-2 2025-04-11 Spain 2025-04-11
5 NON SUBSTANTIAL MODIFICATION NSM-3 2025-05-12 Spain 2025-05-12
6 NON SUBSTANTIAL MODIFICATION NSM-4 2025-08-13 2025-08-13
7 SUBSTANTIAL MODIFICATION SM-4 2025-08-19 Spain Acceptable
2025-11-18
2025-11-19
8 NON SUBSTANTIAL MODIFICATION NSM-5 2025-12-08 Spain Acceptable
2025-11-18
2025-12-08
9 SUBSTANTIAL MODIFICATION SM-6 2025-12-09 Spain Acceptable
2026-03-16
2026-03-17
10 NON SUBSTANTIAL MODIFICATION NSM-6 2026-05-07 Spain Acceptable
2026-03-16
2026-05-07