Overview
Sponsor-declared trial summary
Stargardt Disease (STGD1)
To determine the safety, tolerability and efficacy of a single administration of AAVB-039 via subretinal injection
Key facts
- Sponsor
- Aavantgarde Bio S.r.l.
- Participant type
- Pediatric, Patients
- Age range
- 0-17 years, 18-64 years
- Gender
- Male and Female
- Therapeutic area
- Diseases [C] - Eye Diseases [C11], Diseases [C] - Congenital, Hereditary, and Neonatal Diseases and Abnormalities [C16]
- Decision date (initial)
- 2026-04-10
- Transition trial
- No
- Low-intervention
- No
- Rare-disease indication
- Yes
- Vulnerable population
- Yes
External identifiers
- EU CT number
- 2025-522207-15-01
- ClinicalTrials.gov
- NCT07161544
Trial design
CTIS Part I — objectives, methods, condition coding
Main objective
Scope: Dose response, Pharmacogenomic, Prophylaxis, Therapy, Diagnosis, Efficacy, Safety
To determine the safety, tolerability and efficacy of a single administration of AAVB-039 via subretinal injection
Conditions and MedDRA coding
Stargardt Disease (STGD1)
| Version | Level | Code | Term | System organ class |
|---|---|---|---|---|
| 20.1 | PT | 10062766 | Stargardt's disease | 100000004850 |
Eligibility criteria
Principal inclusion / exclusion criteria as submitted by sponsor
Inclusion criteria 4
- Molecular diagnosis of Stargardt disease due to ABCA4 mutation
- Aged ≥8 years to ≤55 years inclusive
- Willingness to adhere to protocol per informed consent
- No history of vitreoretinal or retinal macular surgery, No current history of cancer for 5 years, No history of myocardial infarct, stroke, or other heart conditions < 6 months
Exclusion criteria 5
- Unwillingness to meet the requirements of the study
- Participation in a clinical study with another Investigation Medicinal Product
- Previous participation in another gene or cell therapy trial
- Any condition that would preclude subretinal surgery
- Complicating ocular and/or systemic diseases
Endpoints
Primary and secondary outcome measures (English text)
Primary endpoints 1
- To measure the number and severity of treatment related adverse events following treatment with AAVB-039
Secondary endpoints 4
- Change in the area of atrophy (assessed via short wavelength fundus autofluorescence (SW-FAF), following treatment with AAVB-039.
- Change in ellipsoid zone (EZ) loss following treatment with AAVB-039.
- Change in macular sensitivity assessed via microperimetry following treatment with AAVB-039
- Change in visual acuity following treatment with AAVB-039
Investigational products
Investigational medicinal products (IMPs), comparators, placebo, auxiliary
Test 1
PRD12697549 · Product
- Active substance
- Combination of Two Adeno-Associated Viral Vectors of Serotype 8 Containing the 5'- and the 3'- Half Coding Sequences of Human ABCA4 Fused to Inteins
- Other product name
- Dual AAV8.5’ABCA4; AAV8.5’ABCA4 and AAV8.3’ABCA4
- Pharmaceutical form
- SOLUTION FOR INJECTION
- Route of administration
- SUBRETINAL USE
- Authorisation status
- Not Authorised
- MA holder
- AAVANTGARDE BIO
- Paediatric formulation
- No
- Orphan designation
- No
Sponsors and contacts
Sponsor organisations, regulatory contacts, third parties
Aavantgarde Bio S.r.l.
- Sponsor organisation
- Aavantgarde Bio S.r.l.
- Address
- Via Uberto Visconti Di Modrone 18
- City
- Milan
- Postcode
- 20122
- Country
- Italy
Scientific contact point
- Organisation
- Aavantgarde Bio S.r.l.
- Contact name
- Nicola Tuckwell
Public contact point
- Organisation
- Aavantgarde Bio S.r.l.
- Contact name
- Tessa Brandon
Third parties 1
| Organisation | City, country | Duties |
|---|---|---|
| Ora Europe Limited ORG-100044931
|
London, United Kingdom | On site monitoring, Code 12, Code 2, Code 5, Data management, E-data capture, Code 8 |
Locations
4 EU/EEA countries · 4 investigational sites
By country
| Country | MS status | Planned subjects | Sites |
|---|---|---|---|
| Belgium | Authorised, recruitment pending | 3 | 1 |
| Italy | Authorised, recruitment pending | 8 | 1 |
| Netherlands | Authorised, recruitment pending | 6 | 1 |
| Norway | Authorised, recruitment pending | 4 | 1 |
| Rest of world
United Kingdom, United States
|
— | 54 | — |
Investigational sites
Results and documents
Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial
Documents 45 files
Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.
| Type | Title | Version |
|---|---|---|
| Protocol (for publication) | D1_Protocol Clarification Letter | N/A |
| Protocol (for publication) | D1_Protocol_2025-522207-15_redacted | 2.0 |
| Protocol (for publication) | D4_Patient facing documents_EQ-5D-3L_ENG_Redacted | 2.2 |
| Protocol (for publication) | D4_Patient facing documents_EQ-5D-Y-3L_ENG_Redacted | 2.4 |
| Protocol (for publication) | D4_Patient facing documents_MRDQ_ENG_Redacted | AU1.0 |
| Protocol (for publication) | D5_Protocol Lay Summary_2025-522207-15_Redacted | 2.0 |
| Recruitment arrangements (for publication) | K1_Recruitment Arrangements | n/a |
| Recruitment arrangements (for publication) | K1_Recruitment Arrangements | n/a |
| Recruitment arrangements (for publication) | K1_Recruitment Arrangements_ITA | n/a |
| Recruitment arrangements (for publication) | K1_Recruitment Procedure_NL | n/a |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Ado 08-11_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Ado 08-11_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Ado 12-15_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Ado 12-16_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Ado 12-17_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Ado 12-17_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Ado 16-17_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Ado 8-11_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Ado 8-11_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Adult_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Adult_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Adult_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Adult_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Concierge Screening_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Genetic Testing Of Relative_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Genetic Testing of Relative_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Genetic Testing Of Relative_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Parent _Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Parent_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Parent_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Parent_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Pre-Screening Concierge_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Pre-Screening Concierge_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Pregnancy Follow-up_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Pregnancy Follow-Up_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Pregnancy Follow-Up_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Pregnancy Follow-Up_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Pregnant Partner_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Pregnant Partner_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Pregnant Partner_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Pregnant Partner_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Privacy and data processing_Genetic_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Privacy and data processing_Redacted | 2.0 |
| Subject information and informed consent form (for publication) | L1_SIS and ICF_Screening Concierge_Redacted | 2.0 |
| Synopsis of the protocol (for publication) | D1_Protocol Synopsis_EN 2025-522207-15_Redacted | 2.0 |
Application history
2 submissions — initial application plus substantial / non-substantial modifications
| # | Type | Code | Submitted | Reference MS | Conclusion | Decision date |
|---|---|---|---|---|---|---|
| 1 | INITIAL | IN | 2025-12-12 | Belgium | Acceptable 2026-04-10
|
2026-04-10 |
| 2 | NON SUBSTANTIAL MODIFICATION | NSM-1 | 2026-05-21 | Belgium | Acceptable 2026-04-10
|
2026-05-21 |