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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
Drug: Placebo (Tranilast)
Drug: Placebo (Olopatadine)
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
  1. Age/Gender: males and females aged >20 to < 65 years (at the time of obtaining consent).
  2. 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.
  3. 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.
  4. Cases who gave consent on study participation of their own free will in writing, with understanding the contents of the said study.
Exclusion Criteria
  1. Cases with an ocular disease that requires treatment other than allergic conjunctivitis.
  2. Cases with an inflammatory ocular disease in the external/anterior part of the eye that may affect drug efficacy evaluation.
  3. Cases with a respiratory disease such as bronchial asthma other than allergic rhinitis.
  4. Cases with past history of anaphylaxis.
  5. Cases with past history of hypersensitivity to olopatadine hydrochloride/tranilast.
  6. Cases undergoing immunotherapy (hyposensitization therapy; modulated therapy).
  7. Patients who are pregnant, lactating women, or may be pregnant, or cases wishing to be pregnant during the study period.
  8. 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
GroupInterventionDescription
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 eyeOlopatadine 0.1%Patients received one drop Olopatadine 0.1% in one eye and 1 drop Olopatadine placebo in contralateral eye
Tranilast 0.5% one eyeTranilast 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
NameTimeMethod
Change in "Ocular Itching" Score (5-point Scale) in Subjective Symptom Questionnaire0-180 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
NameTimeMethod
Change in Total Score in Ocular Symptom Questionnaire15-180 min.
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