Efficacy Investigation Study of Olopatadine Hydrochloride Ophthalmic Solution Using OHIO Chamber in Patients With Seasonal Allergic Rhinitis (SAR)
Phase 4
Completed
- Conditions
- Allergic Conjunctivitis
- Interventions
- Registration Number
- NCT00818805
- Lead Sponsor
- Alcon Research
- Brief Summary
To evaluate the efficacy of olopatadine 0.1% using the OHIO Chamber in patients with seasonal allergic conjunctivitis.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 50
Inclusion Criteria
- Age/Gender: males and females aged >20 to < 65 years (at the time of obtaining consent).
- Positive cases in whom blood specific IgE antibody quantification against cedar pollen showed class 2-6 in a health checkup conducted within the past 3 years.
- Cases who were diagnosed as patients with seasonal allergic conjunctivitis and were judged eligible as subjects of the said study by the investigator or co-investigator from the results of medical examination conducted on the day of the study or prior to it.
- Cases who gave consent on study participation of their own free will in writing, with understanding the contents of the said study.
Exclusion Criteria
- Cases with an ocular disease that requires treatment other than allergic conjunctivitis.
- Cases with an inflammatory ocular disease in the external/anterior part of the eye that may affect drug efficacy evaluation.
- Cases with a respiratory disease such as bronchial asthma other than allergic rhinitis.
- Cases with past history of anaphylaxis.
- Cases with past history of hypersensitivity to olopatadine hydrochloride/tranilast.
- Cases undergoing immunotherapy (hyposensitization therapy; modulated therapy).
- Patients who are pregnant, lactating women, or may be pregnant, or cases wishing to be pregnant during the study period.
- Other cases who are judged ineligible for participation in the main study by the doctor in charge of the study.
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- CROSSOVER
- Arm && Interventions
Group Intervention Description Placebo (Tranilast) Placebo (Tranilast) Patients received one drop Tranilast ophthalmic solution 0.5% in one eye and 1 drop tranilast placebo in contralateral eye Olopatadine 0.1% one eye Olopatadine 0.1% Patients received one drop Olopatadine 0.1% in one eye and 1 drop Olopatadine placebo in contralateral eye Tranilast 0.5% one eye Tranilast 0.5% Patients received one drop Tranilast ophthalmic solution 0.5% in one eye and 1 drop tranilast placebo in contralateral eye Placebo (Olopatadine) Placebo (Olopatadine) Patients received one drop Olopatadine 0.1% in one eye and 1 drop Olopatadine placebo in contralateral eye
- Primary Outcome Measures
Name Time Method Change in "Ocular Itching" Score (5-point Scale) in Subjective Symptom Questionnaire 0-180 minutes after entering the examination room Ocular itching score was assessed using a 5 point scale, with 1 meaning no itching and 4 meaning worst itching.
- Secondary Outcome Measures
Name Time Method Change in Total Score in Ocular Symptom Questionnaire 15-180 min.