At a glance
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A Randomized, Dose-ranging, Placebo-controlled Trial to Evaluate the Effects of Phenylephrine HCl Immediate Release Tablets on Nasal Congestion in Subjects With Seasonal Allergic Rhinitis
In Brief
A Phase 2 clinical trial evaluating Phenylephrine HCl, Placebo, and 1 other intervention for Rhinitis and Seasonal Rhinitis. Completed, enrolled 539 participants.
Detailed Summary
The trial will evaluate the nasal congestion symptom relief of the approved 10 mg phenylephrine (PE) dose and the higher 20 mg, 30 mg, and 40 mg PE doses compared with placebo in participants with histories of seasonal allergic rhinitis, using loratadine as background medication.
Study Details
Timeline
Interventions
10-mg immediate-release tablets, orally, up to 4 tablets per dose every 4 hours, for 7 days
Placebo tablets, orally, up to five tablets per dose every 4 hours, for 7 days
10-mg tablets, orally, once per day at a dose not to exceed 10 mg in a 24-hour period.