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AL-4943A

Phase 3

Allergic Conjunctivitis | Small molecule | Other |Alcon Inc.|Last Updated: Aug 11, 2014

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 Trials3
Total Enrollment1,817
FDA Designations
No designations recorded
Clinical Trials (3)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01743027Efficacy and Safety of an Ophthalmic Solution in Patients With Allergic ConjunctivitisPHASE3 COMPLETED 902Jan 1, 2013Jul 1, 2013Aug 11, 2014 -
NCT01698814A Six-Week Safety Study of an Investigational Ophthalmic SolutionPHASE3 COMPLETED 518Oct 1, 2012Jan 1, 2013Mar 27, 2014 -
NCT01479374Efficacy and Safety of AL-4943A Ophthalmic Solution in Patients With Allergic Conjunctivitis Using the Conjunctival Allergen Challenge (CAC) ModelPHASE3 COMPLETED 397Jan 1, 2012Mar 1, 2012Jun 4, 2013 -
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Study Endpoints
Primary Endpoints
Mean Ocular Itching at Onset of Action
Day 14 (3, 5, and 7 minutes post-CAC)

A treatment efficacy CAC was performed 27 minutes after drop installation. Ocular itching was assessed by the participant on a 0-4 scale (0= none, 4 = incapacitating itch). Average of ocular itching score over both eyes was analyzed.

Mean Ocular Itching at 24 Hours Duration of Action
Day 1 (3, 5, and 7 minutes post-CAC)

A treatment efficacy CAC was performed 24 hours after drop instillation on Day 0. Ocular itching was assessed by the participant on a 0-4 scale (0= none, 4 = incapacitating itch). Average of ocular itching score over both eyes was analyzed.

Adverse Events
An average of 6 weeks

An adverse event was defined as any untoward medical occurrence in a subject administered a study treatment regardless of causal relationship with the treatment. AEs were obtained as solicited comments from the study subjects and as observations by the study Investigator.

Mean Ocular Itching at 16 Hours Duration of Action
3, 5, and 7 minute timepoints, post-CAC on Day 14 of receiving treatment

A treatment efficacy CAC was performed 16 hours after drop instillation. Ocular itching was assessed by the patient on a 0-4 scale (0=none to 4=incapacitating itch). Average of ocular itching score over both eyes was analyzed.

Secondary Endpoints
Mean Conjunctival Redness at Onset of Action
Day 14 (7, 15, and 20 minutes post-CAC)
Mean Conjunctival Redness at 24 Hours Duration of Action
Day 1 (7, 15, and 20 minutes post-CAC)
Mean Total Redness at Onset of Action
Day 14 (7, 15, and 20 minutes post-CAC)
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
AL-4943AEXPERIMENTALAL-4943A ophthalmic solution, 1 drop per eye Day 0, followed by 1 drop per eye Day 14
PATADAYACTIVE_COMPARATOROlopatadine hydrochloride ophthalmic solution, 0.2%, 1 drop per eye Day 0, followed by 1 drop per eye Day 14
PATANOLACTIVE_COMPARATOROlopatadine hydrochloride ophthalmic solution, 0.1%, 1 drop per eye Day 0, followed by 1 drop per eye Day 14
VehiclePLACEBO_COMPARATORAL-4943A ophthalmic solution vehicle, 1 drop per eye Day 0, followed by 1 drop per eye Day 14
AL-4943A VehiclePLACEBO_COMPARATORAL-4943A Ophthalmic Solution Vehicle, one drop instilled in both eyes once daily for up to 6 weeks
Interventions
NameTypeDescription
AL-4943A ophthalmic solutionDRUG -
Olopatadine hydrochloride ophthalmic solution, 0.2%DRUG -
Olopatadine hydrochloride ophthalmic solution, 0.1%DRUG -
AL-4943A ophthalmic solution vehicleDRUG -
AL-4943A vehicleDRUGInactive ingredients used as placebo
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo

Inclusion Criteria: * Able to be dosed in both eyes, able and willing to make the required study visits and to follow instructions. * Negative urine pregnancy test if female of childbearing potential and use adequate birth control throughout the study period. * Diagnostic skin test indicative of al...

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