Efficacy of mequitazine in comparison with placebo assessed by ocular challenge with allergen in allergic conjunctivitis.

Abstract:

:Pharmacologic intervention in the management of allergic conjunctivitis was evaluated with different topical ocular agents in man. Their effect can be precisely assessed with the conjunctival provocation test (CPT). A potent specific H1-receptor antagonist, 0.05% mequitazine eye-drops, was tested in a double-blind randomized, placebo-controlled study using CPT with grass pollen allergens. Twenty healthy subjects allergic to grass pollen were included outside the pollen season after a positive CPT screening. They received one drop of 0.05% mequitazine in one eye and the vehicle in the contralateral eye in a random order, four times daily for 5 days. CPT was performed 15 min after the last instillation, and the threshold dose inducing a positive reaction was determined. Results were given by Abelson's composite score including redness, chemosis, tearing, and itching. Topical 0.05% mequitazine significantly reduced the composite score compared to placebo. The allergen threshold concentration which induced the positive conjunctival reaction was higher in mequitazine pretreated eyes. No side-effect was reported. These data clearly suggest that mequitazine has potential to treat allergic conjunctivitis.

journal_name

Allergy

journal_title

Allergy

authors

Persi L,Dupin O,Arnaud B,Trinquand C,Michel FB,Bousquet J

doi

10.1111/j.1398-9995.1997.tb01028.x

subject

Has Abstract

pub_date

1997-04-01 00:00:00

pages

451-4

issue

4

eissn

0105-4538

issn

1398-9995

journal_volume

52

pub_type

临床试验,杂志文章,随机对照试验

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