A Phase 1, Open-Label Dose Escalation and Expansion study of SNV1521 in Participants with Advanced Solid Tumors

2025-520557-36-00 Protocol SNV1521-101 Human pharmacology (Phase I) - First administration to humans Authorised, recruiting

Start 24 Jul 2025 · Status Authorised, recruiting · 4 EU/EEA countries · 17 sites · Protocol SNV1521-101

Overview

Sponsor-declared trial summary

Phase Human pharmacology (Phase I) - First administration to humans
Status Authorised, recruiting
Participants planned 246
Countries 4
Sites 17

Advanced Solid Tumors

Key facts

Sponsor
Synnovation Therapeutics Inc.
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Neoplasms [C04]
Trial duration
24 Jul 2025 → ongoing
Decision date (initial)
2025-12-23
Transition trial
No
Low-intervention
No
Rare-disease indication
No
Vulnerable population
No

External identifiers

EU CT number
2025-520557-36-00
ClinicalTrials.gov
NCT06220864

Trial design

CTIS Part I — objectives, methods, condition coding

Conditions and MedDRA coding

Advanced Solid Tumors

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Synnovation Therapeutics Inc.

Sponsor organisation
Synnovation Therapeutics Inc.
Address
200 Powder Mill Road E500
City
Wilmington
Postcode
19803-2907
Country
United States

Scientific contact point

Organisation
Synnovation Therapeutics Inc.
Contact name
Dr Kevin O'Hayer

Public contact point

Organisation
Synnovation Therapeutics Inc.
Contact name
Dr Kevin O'Hayer

Locations

4 EU/EEA countries · 17 investigational sites

By country

CountryMS statusPlanned subjectsSites
Belgium Authorised, recruitment pending 20 4
France Ongoing, recruiting 20 5
Italy Ongoing, recruiting 20 3
Spain Ongoing, recruiting 19 5
Rest of world
Australia, United Kingdom, United States, Canada
167

Investigational sites

Belgium

4 sites · Authorised, recruitment pending
Algemeen Ziekenhuis Groeninge
Urology, President Kennedylaan 4, 8500, Kortrijk
Institut Jules Bordet
Oncology, Mijlenmeersstraat 90, 1070, Anderlecht
Universitair Ziekenhuis Antwerpen
Oncology, Drie Eikenstraat 655, 2650, Edegem
Az Maria Middelares Gent
Medical Oncology & hematology, Buitenring-Sint-Denijs 30, 9000, Gent

France

5 sites · Ongoing, recruiting
Institut Gustave Roussy
DITEP, 114 Rue Edouard Vaillant, 94800, Villejuif
Institut De Cancerologie De L Ouest
Medical, Boulevard Jacques Monod, 44805, Saint-Herblain Cedex
Institut Bergonie
Medical Oncology, 180 R De Saint Genes, 229 Cours De L Argonne, Bordeaux
Centre Leon Berard
Medical Oncology, 28 Rue Laennec, 69008, Lyon
Institut Paoli Calmettes
Oncology, 232 Boulevard De Sainte Marguerite, Bp 156, Marseille

Italy

3 sites · Ongoing, recruiting
Ospedale San Raffaele S.r.l.
Oncology, Via Olgettina 60, 20132, Milan
Humanitas Mirasole S.p.A.
Oncology, Via Alessandro Manzoni 56, 20089, Rozzano
Istituto Europeo Di Oncologia S.r.l.
Oncology, Via Giuseppe Ripamonti 435, 20141, Milan

Spain

5 sites · Ongoing, recruiting
Hospital Universitario Quironsalud Madrid
NEXT Madrid Phase I trials, Calle De Diego De Velazquez 1, 28223, Pozuelo De Alarcon
Hospital Quironsalud Barcelona
Phase Unit I, Placa D'alfonso Comin 5-7, 08023, Barcelona
Hospital Universitari Vall D Hebron
Medical Oncology, Passeig De La Vall D'Hebron 119-129, 08035, Barcelona
Hospital Clinic De Barcelona
Medical Oncology, Calle Villarroel 170, 08036, Barcelona
Hospital Universitario Hm Sanchinarro
Centro Integral Oncológico Clara Campall (CIOCC) Phase I trials unit, Calle Ona 10, 28050, 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 2025-08-08 2025-09-16
Italy 2025-09-19 2025-09-19
Spain 2025-07-24 2025-10-27

Application history

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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2025-03-15 Italy Acceptable
2025-07-07
2025-07-08
2 SUBSTANTIAL MODIFICATION SM-1 2025-07-22 Acceptable 2025-07-24
3 SUBSEQUENT ADDITION OF MSC APP-3 2025-10-15 Acceptable
2025-07-07
2025-12-23
4 SUBSTANTIAL MODIFICATION SM-2 2025-12-31 Acceptable 2026-01-20
5 SUBSTANTIAL MODIFICATION SM-3 2026-02-27 Italy Acceptable
2026-05-28
2026-05-29