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BL1332

Phase 1

Ocular Pain | Small molecule | Pain |Bausch + Lomb Corporation|Last Updated: Jan 27, 2026

Target and mechanism

Molecular targetTRPV1
Target classIon Channel
ModalitySmall molecule

Also known as BL1332 ophthalmic solution

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials1
Total Enrollment24

FDA Designations

No designations recorded

Clinical trial landscape

BL1332 · 1 trial · 1 indication

Phase 1 1
NCT06978244A Study to Assess Safety, Tolerability, and Pharmacokinetics of Ascending Concentrations of Topical Ocular BL1332 in Healthy VolunteersOcular Pain
ACTIVE NOT_RECRUITING24 Analytics
PHASE1ACTIVE NOT_RECRUITING
A Study to Assess Safety, Tolerability, and Pharmacokinetics of Ascending Concentrations of Topical Ocular BL1332 in Healthy Volunteers
Ocular PainUnlock trial analytics

Study Endpoints

Primary Endpoints

Incidence of DLTs (dose-limiting toxicities)
Approximately 6 months

To assess the ocular and systemic safety and tolerability of ascending concentrations of topical BL1332 ophthalmic solution eye drops compared with BL1332 vehicle in healthy volunteers, identifying the highest tolerated doses (HTDs)

Incidence of treatment-emergent AEs (TEAEs)
Approximately 6 months

To assess the ocular and systemic safety and tolerability of ascending concentrations of topical BL1332 ophthalmic solution eye drops compared with BL1332 vehicle in healthy volunteers, identifying the highest tolerated doses (HTDs)

Treatment-emergent changes in systemic and ocular safety assessments
Approximately 6 months

To assess the ocular and systemic safety and tolerability of ascending concentrations of topical BL1332 ophthalmic solution eye drops compared with BL1332 vehicle in healthy volunteers, identifying the highest tolerated doses (HTDs)

PK profiles and following parameter, where data allow (Cmax)
Approximately 6 months

To characterize the plasma PK after ocular administration of BL1332 in healthy volunteers

PK profiles and following parameter, where data allow ( Tmax)
Approximately 6 months

To characterize the plasma PK after ocular administration of BL1332 in healthy volunteers

PK profiles and following parameter, where data allow (Ctau)
Approximately 6 months

To characterize the plasma PK after ocular administration of BL1332 in healthy volunteers

PK profiles and following parameter, where data allow (Tlast)
Approximately 6 months

To characterize the plasma PK after ocular administration of BL1332 in healthy volunteers

PK profiles and following parameter, where data allow ( AUClast)
Approximately 6 months

To characterize the plasma PK after ocular administration of BL1332 in healthy volunteers

PK profiles and following parameter, where data allow (AUCtau)
Approximately 6 months

To characterize the plasma PK after ocular administration of BL1332 in healthy volunteers

PK profiles and following parameter, where data allow (AUCinf)
Approximately 6 months

To characterize the plasma PK after ocular administration of BL1332 in healthy volunteers

PK profiles and following parameter, where data allow (ke1)
Approximately 6 months

To characterize the plasma PK after ocular administration of BL1332 in healthy volunteers

PK profiles and following parameter, where data allow (t1/2)
Approximately 6 months

To characterize the plasma PK after ocular administration of BL1332 in healthy volunteers

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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
BL1332 ophthalmic solution (0.06%, 0.15%, and 0.30% concentrations)EXPERIMENTALBL1332 ophthalmic solution (0.06%, 0.15%, and 0.30% concentrations) administered as topical ocular drops
BL1332 vehiclePLACEBO_COMPARATORBL1332 vehicle administered as topical ocular drops

Interventions

NameTypeDescription
BL1332 ophthalmic solutionDRUGBoth arms taken four times a day for 1 day
BL1332 ophthalmic vehicleDRUGBoth arms taken four times a day for 1 day
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Eligibility Criteria

Age Range18 Years to 50 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: 1. Written informed consent prior to conduct of any study-related assessment 2. Male and female subjects ≥18 to ≤50 years of age and in good health, as assessed by the Investigator from past medical history, physical examination, and laboratory tests at Screening 3. Vital signs ...

Countries:United States
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Competitive Landscape -Ocular Hypertension 8 trials (matched to "Ocular Pain")

Frequently asked questions about BL1332

What is BL1332 used for?

BL1332 is an investigational small molecule being developed for the treatment of ocular pain. It is formulated as an ophthalmic solution for topical administration to the eye. The drug is currently in Phase 1 clinical development and has not been approved by regulatory authorities.

What does BL1332 target?

BL1332 targets the TRPV1 ion channel, a protein involved in pain signaling. By modulating this channel, the drug is intended to address ocular pain. TRPV1 is a well-known target in pain research, and BL1332 is designed to act on it locally in the eye.

Who is developing BL1332?

BL1332 is being developed by Bausch + Lomb Corporation, a company traded on the stock exchange under the ticker BLCO. The company is conducting clinical trials to evaluate the safety, tolerability, and pharmacokinetics of the drug in healthy volunteers.

What phase is BL1332 in?

BL1332 is in Phase 1 clinical development. It is an investigational drug, meaning it has not been approved for commercial use. The ongoing Phase 1 trial is designed to assess the safety, tolerability, and pharmacokinetics of ascending concentrations of the ophthalmic solution in healthy volunteers.

What clinical trials is BL1332 in?

BL1332 is being studied in a Phase 1 clinical trial registered as NCT06978244. This randomized, double-blind, placebo-controlled study is evaluating the safety, tolerability, and pharmacokinetics of ascending concentrations of topical ocular BL1332 in healthy volunteers. The trial is active but not recruiting participants and is being conducted in the United States.