New combo pill aims to unblock stuffy noses better than antihistamine alone
NCT ID NCT05637710
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study was designed to see if a combination of levocetirizine (an allergy medicine) and pseudoephedrine (a decongestant) works better than levocetirizine alone for relieving nasal congestion in people with allergic rhinitis. It planned to enroll people aged 12 to 65 with the condition. However, the study was withdrawn before any participants were enrolled.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
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Locations
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Eurofarma Laboratorios S.A
São Paulo, São Paulo, 06696-000, Brazil