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Apraclonidine

Phase 3

Ocular Redness | Small molecule | Other |Alcon Inc.|Last Updated: Oct 23, 2025

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDBiomarker
Total Trials1
Total Enrollment159
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06444529A Double-Masked Comparison of FID 123320 Ophthalmic Solution to Vehicle for the Reduction of Ocular RednessPHASE3 COMPLETED 159Aug 21, 2024Jan 8, 2025Oct 23, 20255 United States
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Study Endpoints
Primary Endpoints
Mean change from baseline in investigator-assessed ocular redness at 15 minutes post-instillation on Day 1
Day 1: Pretreatment; 15 minutes post-treatment

Ocular redness will be assessed by the investigator using a scale from 0 to 4 in half-unit increments (0=none; 4=extremely severe). This endpoint is co-primary with the 10 hours post-instillation endpoint.

Mean change from baseline in investigator-assessed ocular redness at 10 hours (600 minutes) post-instillation on Day 1
Day 1: Pretreatment; 10 hours (600 minutes) post-treatment

Ocular redness will be assessed by the investigator using a scale from 0 to 4 in half-unit increments (0=none; 4=extremely severe). This endpoint is co-primary with the 15 minutes post-instillation endpoint.

Secondary Endpoints
Mean change from baseline in investigator-assessed ocular redness at 1 minute post-instillation on Day 1
Day 1: Pretreatment; 1 minute post-treatment
Mean change from baseline in investigator-assessed ocular redness at 8 hours (480 minutes) post-instillation on Day 1
Day 1: Pretreatment; 8 hours (480 minutes) post-treatment
Mean change from baseline in investigator-assessed ocular redness at 12 hours (720 minutes) post-instillation on Day 1
Day 1: Pretreatment; 12 hours (720 minutes) post-treatment
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Apraclonidine Hydrochloride Ophthalmic SolutionEXPERIMENTALOne drop in each eye on Day 1, followed by 2 drops in each eye on Day 2 onward for approximately 8 weeks
VehiclePLACEBO_COMPARATOROne drop in each eye on Day 1, followed by 2 drops in each eye on Day 2 onward for approximately 8 weeks
Interventions
NameTypeDescription
Apraclonidine Hydrochloride Ophthalmic SolutionDRUGInvestigational ophthalmic solution applied topically to the eye with a dropper bottle
VehicleDRUGVehicle (inactive ingredients) applied topically to the eye with a dropper bottle
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites5

Key Inclusion Criteria: * Capable of giving signed informed consent; * Willing and able to follow all instructions and attend all study visits; * Able to self-administer eye drops- in the opinion of the investigator; * History of redness relief drop use within the last 6 months, or a desire to use ...

Countries:United States
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