Clinical trial • Phase III • Ophthalmology

Tinlarebant for Stargardt disease

Phase III trial of Tinlarebant for Stargardt disease. open-label, none/not specified-controlled. 60 participants.

Overview

Trial Therapeutic Area
Ophthalmology
Trial Disease
Stargardt disease
Trial Stage
Phase III
Drug Modality
Small molecule
Paediatric Trial
Yes
Orphan Drug
Yes

Key dates

Initial CTIS Submission Date
28-11-2025
First CTIS Authorization Date
07-04-2026

Trial design

open-label, none/not specified-controlled Phase III trial across 3 sites in Belgium, France, Netherlands.

Open Label
Yes
Comparator
None/Not specified
Target Sample Size
60
Trial Duration For Participant
1095

Eligibility

Recruits 60 paediatric patients.

Pregnancy Exclusion
Pregnant or nursing females and females of childbearing potential who are unwilling or unable to use an acceptable method of contraception (or abstinence). Females must have a negative pregnancy during the treatment period.
Vulnerable Population
Vulnerable populations are selected for this trial (isVulnerablePopulationSelected = true). The dossier includes assent forms and parent/guardian informed consent forms (e.g. 'L1_SIS and ICF assent form', 'L1_SIS and ICF Main Parent' documents), indicating inclusion of minors where parental/guardian consent plus participant assent is required. Additionally, the exclusion criteria state that unwillingness or inability to provide signed informed consent excludes participation.

Inclusion criteria

  • {"criterion_text":"- Subject has completed 24-month treatment in LBS-008-CT02 or LBS-008-CT03 trial and has also completed the tests and assessments required end-of-treatment visit."}

Exclusion criteria

  • {"criterion_text":"- Ocular surgery in the study eye in the previous 3 months.\n- Unwillingness or inability to provide signed informed consent prior to participation in any study-related procedures.\n- In the opinion of the Investigator, the subject is not suitable for entry into the study.\n- Use of prescription medications such as Isotretinoin (13-cis-retinoic acid) or other retinol modulators or derivatives which may impact the effect of the study drug.\n- Use of any known drugs or supplements that are inhibitors/inducers of cytochrome P450 (CYP) enzymes (e.g., rifampin, barbiturates, phenothiazines, cimetidine, carbamazepine, St. John’s wort) within 30 days of study drug administration or consumption of foods that are inhibitors/inducers of CYP3A4 (e.g., grapefruit, bitter orange [Seville orange], pomegranate, or star fruit) within 48 hours of study drug administration, and that, in the Investigator’s judgement, may impact subjects’ safety or the validity of the study results.\n- Presence of life-threatening disease(s), including current treatment for malignancies.\n- Current alcohol or other substance abuse.\n- Alanine transaminase/aspartate aminotransferase (ALT/AST) > 2.5× the Upper Limit of Normal (ULN) based on last available report.\n- Renal insufficiency, as defined by an eGFR (Bedside Schwartz) < 30 mL/min/1.73m2 based on last available report.\n- Pregnant or nursing females and females of childbearing potential who are unwilling or unable to use an acceptable method of contraception (or abstinence). Females must have a negative pregnancy during the treatment period.\n- Male subject who does not agree that female spouse/partner will use adequate contraception (i.e., condoms) or be of non-childbearing potential (i.e., surgically sterile)."}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Change in DDAF (Definitely decreased autofluorescence) assessed by FAF (Fundus autofluorescence) photography","definition_or_measurement_approach":"Assessed by fundus autofluorescence (FAF) photography; change measured from baseline to 36 months (longitudinal measurement of DDAF area)."}
  • {"endpoint_text":"- Change in QDAF (Questionably decreased autofluorescence) assessed by FAF (Fundus autofluorescence) photography","definition_or_measurement_approach":"Assessed by fundus autofluorescence (FAF) photography; change measured from baseline to 36 months (longitudinal measurement of QDAF area)."}
  • {"endpoint_text":"- Change in DAF (Decreased autofluorescence) assessed by FAF (Fundus autofluorescence) photography","definition_or_measurement_approach":"Assessed by fundus autofluorescence (FAF) photography; DAF = sum of DDAF and QDAF, change measured from baseline to 36 months."}

Recruitment

Planned Sample Size
60
Recruitment Window Months
36
Consent Approach
Informed consent is required from participants prior to any study procedures; the dossier includes specific subject information and informed consent forms and assent forms (e.g. 'L1_SIS and ICF main ICF', 'L1_SIS and ICF Main Parent', 'L1_SIS and ICF assent form'). Parent/guardian consent is used for minors with assent forms for the minor participants. Documents are available in multiple languages for country-specific use (filenames indicate English, French, Dutch versions). Exclusion includes inability or unwillingness to provide signed informed consent.

Geography

Total Number Of Sites
3
Total Number Of Participants
6

Belgium

Earliest CTIS Part Ii Submission Date
19-03-2026
Latest Decision Or Authorization Date
08-04-2026
Processing Time Days
20
Number Of Sites
1
Number Of Participants
3

Sites

Site Name
Universitair Ziekenhuis Gent
Department Name
ophthalmology
Principal Investigator Name
Bart Leroy
Principal Investigator Email
bart.leroy@ugent.be
Contact Person Name
Bart Leroy
Contact Person Email
bart.leroy@ugent.be
Number Of Participants
3

France

Earliest CTIS Part Ii Submission Date
25-03-2026
Latest Decision Or Authorization Date
08-04-2026
Processing Time Days
14
Number Of Sites
1
Number Of Participants
2

Sites

Site Name
Centre Hospitalier National d'Ophtalmologie des Quize-Vingts
Department Name
Ophtalmology
Principal Investigator Name
Isabelle Audo
Principal Investigator Email
isabelle.audo@inserm.fr
Contact Person Name
Isabelle Audo
Contact Person Email
isabelle.audo@inserm.fr
Number Of Participants
2

Netherlands

Earliest CTIS Part Ii Submission Date
16-03-2026
Latest Decision Or Authorization Date
07-04-2026
Processing Time Days
22
Number Of Sites
1
Number Of Participants
1

Sites

Site Name
Radboud universitair medisch centrum Stichting
Department Name
Ophtalmology
Principal Investigator Name
Carel Hoyng
Principal Investigator Email
carel.hoyng@radboudumc.nl
Contact Person Name
Carel Hoyng
Contact Person Email
carel.hoyng@radboudumc.nl
Number Of Participants
1

Sponsor

Primary sponsor

Full Name
Belite Bio Inc.
Organisation Type
Pharmaceutical company
Country Of Registered Address
Cayman Islands

Investigational products

Investigational Product Name
LBS-008
Active Substance
Tinlarebant
Modality
Small molecule
Routes Of Administration
Oral
Route
ORAL USE
Authorisation Status
prodAuthStatus: 1
Orphan Designation
Yes
Maximum Dose
5 mg (max daily dose amount: 5 mg)

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