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LBS-008

Phase 3

Undisclosed | Small molecule | Other |Belite Bio, Inc|Trials Updated: Jul 23, 2026

LBS-008 development status

Highest phase Phase 3 (NCT05244304)
Phase scored for BLTEPhase 1
Registered trials 5 across 2 sponsors since Nov 2018

LBS-008 target and mechanism

ModalitySmall molecule

Also known as Tinlarebant

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindCONTROLLEDDMC
Total Trials6
Total Enrollment692

FDA Designations

No designations recorded

LBS-008 clinical trials

LBS-008 · 6 trials · 6 indications

Phase 3 2Phase 2 1Phase 1 3
NCT05949593Phase 3, Randomized, Placebo-Controlled Study of Tinlarebant to Explore Safety and Efficacy in Geographic AtrophyGeographic Atrophy
ACTIVE NOT_RECRUITING429 Analytics
NCT05244304Phase 3, Randomized, Placebo-Controlled Study of Tinlarebant to Explore Safety and Efficacy in Adolescent Stargardt DiseaseStargardt Disease 1
COMPLETED104 Analytics
PHASE3ACTIVE NOT_RECRUITING
Phase 3, Randomized, Placebo-Controlled Study of Tinlarebant to Explore Safety and Efficacy in Geographic Atrophy
Geographic AtrophyUnlock trial analytics
PHASE3COMPLETED
Phase 3, Randomized, Placebo-Controlled Study of Tinlarebant to Explore Safety and Efficacy in Adolescent Stargardt Disease
Stargardt Disease 1Unlock trial analytics

Study Endpoints

Primary Endpoints

To measure the rate of change (growth rate slope) in geographic atrophy (GA) lesion size
From baseline to Month 24]
To measure change in atrophic lesion size (definitely decreased autofluorescence, DDAF) by fundus autofluorescence (FAF) photography from baseline
Baseline thru month 24
To measure the annualized rate of change from baseline lesion size in aggregate area of atrophy
From baseline to Month 24
To measure the pharmacokinetics (PK) of tinlarebant in plasma following a single oral dose in healthy volunteers aged 50-85.
Up to 168 hours

Area under the plasma concentration versus time curve from time 0 to the last time point with quantifiable concentration (AUC0-t)

To measure the concentrations of retinol-binding protein 4 (RBP4), a pharmacodynamic (PD) biomarker, in plasma following a single oral dose in healthy volunteers aged 50-85
Up to 168 hours

Time of minimal RPB4 levels post-dose (Tmin)

To evaluate systemic and ocular safety and tolerability of tinlarebant.
From baseline to 24 months

To evaluate safety and tolerability of daily dosing of tinlarebant assessed by incidence and/or severity of ocular and non-ocular adverse events.

The optimal dose for Phase 2.
Up to 24 months

To determine optimal dose of tinlarebant administered orally in adolescent patients with Stargardt Disease.

Area under the plasma concentration versus time curve from time 0 to the last timepoint with quantifiable concentration (AUC0-t)
SAD portion: Day 1 to Day 8; MAD portion: Day 1 to Day 28
Area under the plasma concentration versus time curve from time 0 extrapolated to infinity (AUC0-inf)
SAD portion: Day 1 to Day 8; MAD portion: Day 1 to Day 28
Maximum observed plasma concentration (Cmax)
SAD portion: Day 1 to Day 6; MAD portion: Day 1 to Day 28
Time to maximum observed plasma concentration (Tmax)
SAD portion: Day 1 to Day 8; MAD portion: Day 1 to Day 28
Terminal elimination rate constant
SAD portion: Day 1 to Day 8; MAD portion: Day 1 to Day 28
Terminal phase half-life (t1/2)
SAD portion: Day 1 to Day 8; MAD portion: Day 1 to Day 28
Apparent total body clearance (CL/F)
SAD portion: Day 1 to Day 8; MAD portion: Day 1 to Day 28
Apparent volume of distribution (Vz/F)
SAD portion: Day 1 to Day 8; MAD portion: Day 1 to Day 28
Number of participants with Adverse Events (AEs), Serious Adverse Events (SAEs) and AEs leading to discontinuation.
SAD portion: Day 1 to Day 8; MAD portion: Day 1 to Day 28

Secondary Endpoints

To measure the change in best-corrected visual acuity (BCVA) as assessed using the Early Treatment Diabetic Retinopathy Study (ETDRS) scale
From baseline to Month 24
To measure changes in the area and size of the inner/outer segment junction of photoreceptors by spectral domain optical coherence tomography (SD-OCT)
From baseline to Month 24
To measure the change in retinal thickness assessed by spectral-domain optical coherence tomography (SD-OCT) from baseline
Baseline thru month 24
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
LBS-008, TinlarebantEXPERIMENTAL -
PlaceboPLACEBO_COMPARATOR -
TinlarebantEXPERIMENTAL5 mg tablet taken orally once a day
Cohort 1: 5 mg, fastedACTIVE_COMPARATORA single dose (5 mg) of tinlarebant will be administered to each study participant on study Day 1.
Cohort 2: 10 mg, fastedACTIVE_COMPARATORA single dose (10 mg) of tinlarebant will be administered to each study participant on study Day 1.
SAD - Cohort 1EXPERIMENTAL50 mg LBS-008 or placebo
SAD - Cohort 2EXPERIMENTAL100 mg LBS-008 or placebo
SAD - Cohort 3EXPERIMENTAL200 mg LBS-008 or placebo
SAD - Cohort 4EXPERIMENTAL400 mg LBS-008 or placebo
SAD - Cohort 5EXPERIMENTAL25 mg LBS-008 or placebo
MAD - Cohort 1EXPERIMENTAL10 mg LBS-008 or placebo
MAD - Cohort 2EXPERIMENTAL25 mg LBS-008 or placebo
MAD - Cohort 3EXPERIMENTAL5 mg LBS-008 or placebo
MAD - Cohort 4EXPERIMENTAL12 mg LBS-008 or placebo

Interventions

NameTypeDescription
TinlarebantDRUG5 mg tablet taken orally once a day
PlaceboDRUGPlacebo tablets for tinlarebant 5 mg prepared similarly.
Tinlarebant (LBS-008)DRUGA single dose of Tinlarebant (LBS-008) will be administered to each study participant on study Day 1.
LBS-008DRUGLBS-008 oral capsules
PlacebosDRUGOral capsules
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Eligibility Criteria

Age Range60 Years to 85 Years
SexALL
Healthy VolunteersNo
Study Sites49

Inclusion Criteria: * Subjects must have a confirmed diagnosis of GA with atrophic lesions in 1 or both eyes. * Minimum BCVA is required in the study eye Exclusion Criteria: * The presence of diabetic macular edema or macular disease in either eye. * Diabetic retinopathy more advanced than mild n...

Countries:United StatesAustraliaChinaCzechiaFranceSwitzerlandTaiwanUnited KingdomBelgiumGermanyHong KongNetherlandsJapan
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Recent Changes (Last 90 Days)

MEDIUMAug 23, 2026NCT05244304TRIAL_REMOVED: changed
MEDIUMAug 23, 2026NCT05244304TRIAL_REMOVED: changed
MEDIUMAug 23, 2026NCT05244304TRIAL_REMOVED: changed

Frequently asked questions about LBS-008

What is LBS-008?

LBS-008 is an investigational small molecule drug developed by Belite Bio, Inc. It has been studied in a Phase 1 clinical trial in healthy adult volunteers. The specific disease indications for which LBS-008 is being developed have not been publicly disclosed.

Who is developing LBS-008?

LBS-008 is being developed by Belite Bio, Inc., a biopharmaceutical company that trades under the ticker symbol BLTE. Belite Bio is responsible for the clinical development of LBS-008.

What phase is LBS-008 in?

LBS-008 has completed a Phase 1 clinical trial. It is an investigational drug and has not been approved by the FDA. The Phase 1 trial, NCT03735810, evaluated the safety and tolerability of LBS-008 in healthy adult subjects after single and multiple doses.

What clinical trials is LBS-008 in?

LBS-008 has been evaluated in one completed Phase 1 clinical trial, NCT03735810, titled "Safety and Tolerability Study of LBS-008 in Healthy Adult Subjects After Single and Multiple Doses." The trial enrolled 71 healthy volunteers in Australia and was randomized, double-blind, and controlled.

Is LBS-008 FDA approved?

No, LBS-008 is not FDA approved. It is an investigational drug that has completed a Phase 1 clinical trial. Approval would require successful completion of further clinical testing and regulatory review.