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NCT05579730

Evaluation of Brimonidine Tartrate/Ketotifen Fumarate Combination for the Treatment of Allergic Conjunctivitis

Completed Phase 3 Results posted Last updated 14 February 2025
What this trial tests

Phase 3 trial testing Brimonidine tartrate 0.025%/ketotifen fumarate 0.035% in Allergic Conjunctivitis in 188 participants. Completed in 22 July 2023.

Timeline
12 October 2022
Primary endpoint
22 July 2023
22 July 2023

Quick facts

Lead sponsorBausch & Lomb Incorporated
PhasePhase 3
StatusCompleted
Study typeINTERVENTIONAL
Allocationrandomized
Designparallel
Maskingdouble
Primary purposetreatment
Enrollment188
Start date12 October 2022
Primary completion22 July 2023
Estimated completion22 July 2023
Sites4 locations across United States

Drugs / interventions tested

Conditions studied

Sponsor

Bausch & Lomb Incorporated — full company profile →

Who can join

10 and older, any sex, with Allergic Conjunctivitis. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

Ocular Itching Primary · Assessed at Visit 4b on day 1 (duration of action CAC at 8 hours post-instillation of study medication) and Visit 5 on day 15 (onset of action CAC at 15 minutes post-instillation of study medication).

Ocular itching score (measured on a 0-4 unit scale, allowing half-unit increments; average score of the subject's two eyes) assessed by the subjects at 3 (±1), 5 (±1), and 7 (±1) minutes post-CAC.

Visit 4b, 3 min Post-CAC
GroupValue95% CI
Combination1.176± 0.1464
Ketotifen Fumarate1.708± 0.1487
Brimonidine Tartrate2.426± 0.1330
Vehicle2.362± 0.1512
Visit 4b, 5 min Post-CAC
GroupValue95% CI
Combination1.287± 0.1507
Ketotifen Fumarate1.688± 0.1519
Brimonidine Tartrate2.638± 0.1155
Vehicle2.712± 0.1427
Visit 4b, 7 min Post-CAC
GroupValue95% CI
Combination1.181± 0.1462
Ketotifen Fumarate1.656± 0.1532
Brimonidine Tartrate2.644± 0.1249
Vehicle2.755± 0.1390
Visit 5, 3 min Post-CAC
GroupValue95% CI
Combination0.495± 0.0918
Ketotifen Fumarate0.594± 0.1296
Brimonidine Tartrate1.915± 0.1307
Vehicle2.070± 0.1319
Visit 5, 5 min Post-CAC
GroupValue95% CI
Combination0.601± 0.0930
Ketotifen Fumarate0.791± 0.1350
Brimonidine Tartrate1.973± 0.1255
Vehicle2.345± 0.1378
Visit 5, 7 min Post-CAC
GroupValue95% CI
Combination0.618± 0.1083
Ketotifen Fumarate0.972± 0.1548
Brimonidine Tartrate1.920± 0.1394
Vehicle2.358± 0.1221
Conjunctival Redness Primary · Assessed at Visit 4b on day 1 (duration of action CAC at 8 hours post-instillation of study medication) and Visit 5 on day 15 (onset of action CAC at 15 minutes post-instillation of study medication).

Conjunctival redness score (measured on a 0-4unit scale, allowing half-unit increments; average score of the subject's two eyes) assessed by investigator at 7 (±1), 15 (±1), and 20 (±1) minutes post-CAC.

Visit 4b, 7 min Post-CAC
GroupValue95% CI
Combination1.372± 0.1088
Ketotifen Fumarate1.844± 0.0895
Brimonidine Tartrate1.883± 0.1083
Vehicle2.155± 0.0850
Visit 4b, 15 min Post-CAC
GroupValue95% CI
Combination1.617± 0.1204
Ketotifen Fumarate2.130± 0.0939
Brimonidine Tartrate2.069± 0.1189
Vehicle2.321± 0.0934
Visit 4b, 20 min Post-CAC
GroupValue95% CI
Combination1.649± 0.1165
Ketotifen Fumarate2.146± 0.0953
Brimonidine Tartrate1.984± 0.1296
Vehicle2.315± 0.0961
Visit 5, 7 min Post-CAC
GroupValue95% CI
Combination0.591± 0.0846
Ketotifen Fumarate1.393± 0.0944
Brimonidine Tartrate1.005± 0.1300
Vehicle2.052± 0.1143
Visit 5, 15 min Post-CAC
GroupValue95% CI
Combination0.765± 0.1043
Ketotifen Fumarate1.662± 0.1036
Brimonidine Tartrate1.069± 0.1338
Vehicle2.268± 0.1111
Visit 5, 20 min Post-CAC
GroupValue95% CI
Combination0.735± 0.1012
Ketotifen Fumarate1.727± 0.1088
Brimonidine Tartrate1.021± 0.1343
Vehicle2.238± 0.1182

Adverse events — posted to ClinicalTrials.gov

Time frame: Assessed through the study, approximately 10 weeks. Reporting threshold: 0%. Adverse-event reports describe events observed during the trial — not all are caused by the drug.

Combination
Serious: 0/47 (0%)
Deaths: 0/47
Ketotifen Fumarate
Serious: 0/48 (0%)
Deaths: 0/48
Brimonidine Tartrate
Serious: 0/47 (0%)
Deaths: 0/47
Vehicle
Serious: 0/46 (0%)
Deaths: 0/46
Other adverse events (14 terms — click to expand)

ReactionSystemCombinationKetotifen FumarateBrimonidine TartrateVehicle
NasopharyngitisInfections and infestations
Visual Acuity reducedEye disorders
Conjunctival haemorrhageEye disorders
Conjunctivitis allergicEye disorders
Eye pruritusEye disorders
Foreign body in eyeInjury, poisoning and procedural complications
Localised infectionInfections and infestations
Skin lacerationInjury, poisoning and procedural complications
Back painMusculoskeletal and connective tissue disorders
Suicidal ideationPsychiatric disorders
Allergic pharyngitisRespiratory, thoracic and mediastinal disorders
AsthmaRespiratory, thoracic and mediastinal disorders
Oropharyngeal painRespiratory, thoracic and mediastinal disorders
Instillation site foreign body sensationGeneral disorders

Data from ClinicalTrials.gov NCT05579730 adverse events section.

Sponsor's own description

To evaluate the efficacy of Combo (Drug Product Brimonidine Tartrate 0.025%/Ketotifen Fumarate 0.035% Ophthalmic Solution) compared to its individual components and vehicle in a population of subjects with allergic conjunctivitis:

Publications & conference data

No peer-reviewed publications indexed yet for this trial. Completed trials usually publish results within 12-18 months.

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Other recruiting trials for Allergic Conjunctivitis

Currently open trials in the same condition.

Other Bausch & Lomb Incorporated trials

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Data sources for this page

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Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing