A Phase I/IIa Clinical Trial to Assess the Safety, Tolerability, and Efficacy of a Single Intravitreal Injection of SPVN20 Gene Therapy in Participants with Advanced Rod Cone Dystrophy

2025-520665-47-00 Protocol SPVN20-CLIN-01 Human pharmacology (Phase I) - First administration to humans Ongoing, recruiting

Start 8 Oct 2025 · Status Ongoing, recruiting · 3 EU/EEA countries · 3 sites · Protocol SPVN20-CLIN-01

Overview

Sponsor-declared trial summary

Phase Human pharmacology (Phase I) - First administration to humans
Status Ongoing, recruiting
Participants planned 27
Countries 3
Sites 3

End-stage rod-cone dystrophy

Key facts

Sponsor
Sparingvision
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Eye Diseases [C11]
Trial duration
8 Oct 2025 → ongoing
Decision date (initial)
2025-05-27
Transition trial
No
Low-intervention
No
Rare-disease indication
Yes
Vulnerable population
No

Trial design

CTIS Part I — objectives, methods, condition coding

Conditions and MedDRA coding

End-stage rod-cone dystrophy

VersionLevelCodeTermSystem organ class
20.0 PT 10019899 Hereditary retinal dystrophy 100000004850

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Sparingvision

Sponsor organisation
Sparingvision
Address
5-7 Avenue Percier
City
Paris
Postcode
75008
Country
France

Scientific contact point

Organisation
Sparingvision
Contact name
Daniel Chung

Public contact point

Organisation
Sparingvision
Contact name
Sophie Skorupka

Locations

3 EU/EEA countries · 3 investigational sites

By country

CountryMS statusPlanned subjectsSites
Belgium Ongoing, recruiting 9 1
France Authorised, recruitment pending 9 1
Ireland Ongoing, recruiting 9 1
Rest of world 0

Investigational sites

Belgium

1 site · Ongoing, recruiting
Universitair Ziekenhuis Gent
Ophthalmology, Corneel Heymanslaan 10, 9000, Gent

France

1 site · Authorised, recruitment pending
Centre Hospitalier National d'Ophtalmologie des Quize-Vingts
Ophthalmology, 28 Rue De Charenton, 75012, Paris

Ireland

1 site · Ongoing, recruiting
Royal Victoria Eye And Ear Hospital
Ophthalmology, Adelaide Road, D02 XK51, Dublin 2

Country notifications

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

Country Trial startTrial end Recruitment startRecruitment end Early termination
Belgium 2025-10-08 2025-10-08
Ireland 2025-11-18 2025-11-18

Application history

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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2025-03-10 Belgium Acceptable
2025-05-26
2025-05-27
2 SUBSEQUENT ADDITION OF MSC APP-2 2025-06-06 Acceptable
2025-05-26
2025-08-28
3 SUBSEQUENT ADDITION OF MSC APP-3 2025-06-06 Acceptable
2025-05-26
2025-08-29
4 SUBSTANTIAL MODIFICATION SM-1 2025-09-24 Belgium Acceptable
2025-11-26
2025-11-26
5 NON SUBSTANTIAL MODIFICATION NSM-1 2025-12-01 Acceptable
2025-11-26
2025-12-01
6 NON SUBSTANTIAL MODIFICATION NSM-2 2025-12-01 Belgium Acceptable
2025-11-26
2025-12-01
7 NON SUBSTANTIAL MODIFICATION NSM-3 2025-12-01 Acceptable
2025-11-26
2025-12-01
8 SUBSTANTIAL MODIFICATION SM-2 2026-01-08 Belgium Acceptable
2026-04-13
2026-04-13
9 NON SUBSTANTIAL MODIFICATION NSM-4 2026-04-17 Acceptable
2026-04-13
2026-04-17
10 NON SUBSTANTIAL MODIFICATION NSM-5 2026-04-17 Belgium Acceptable
2026-04-13
2026-04-17
11 NON SUBSTANTIAL MODIFICATION NSM-6 2026-04-17 Acceptable
2026-04-13
2026-04-17