Conditions: Allergic Rhinitis Allergic Conjunctivitis
Keywords: allergy skin testing eye drops antihistamines
Allocation: RANDOMIZED | Intervention model: CROSSOVER
Enrollment: 24
Healthy volunteers: no

Brief summary:
Use of olopatadine ophthalmic solution (eye drops) will decrease allergy skin test reactivity.

Detailed description:

Arms:
arm 1: participants received olopatadine 0.2% opthalmic solution 1 drop into each eye at the same time each day for 7 to 10 days followed by 7-10 day washout period. They then received a placebo, normal saline opthalmic solution 1 drop into each eye at the same time each day for 7-10 days arm 2: participants received olopatadine 0.2% opthalmic solution 1 drop into each eye at the same time each day for 7 to 10 days followed by 7-10 day washout period. They then received a placebo, normal saline opthalmic solution 1 drop into each eye at the same time each day for 7-10 days

Interventions: intervention 1: olopatadine intervention 2: placebo
Intervention descriptions: intervention 1: olopatadine 0.2% opthalmic solution 1 drop into each eye at the same time each day intervention 2: placebo, normal saline opthalmic solution 1 drop into each eye at the same time each day

Protocol document: