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New combo pill aims to unblock stuffy noses better than antihistamine alone

NCT ID NCT05637710

Symptom relief Sponsor: Eurofarma Laboratorios S.A. Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled This study
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

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 However, the study was withdrawn before any participants were enrolled.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Expected to start

Mar 2026

An estimate. Start dates often move.

Expected to finish

May 2027

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

12 to 65 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: Patients of both sexes who meet all of the following criteria will be enrolled in the study: 1. Signature of the Informed Consent Form (ICF) for those over 18 years of age and, when applicable, signature of the Informed Assent Form (IAF) by the participant under 18 years of age and the ICF by the legal representative before any study procedure. 2. Age ≥ 12 years and ≤ 65 years and weight ≥ 40 kg. 3. Clinical diagnosis of intermittent or persistent allergic rhinitis according to the definition of the Allergic Rhinitis and its Impact on Asthma2 (ARIA) group (Attachment 1) for at least two (02) years. Exclusion Criteria: Patients who meet at least one of the following criteria will be excluded from the study: 1. Concomitant presence of other types of rhinitis (such as infectious rhinitis, drug rhinitis, rhinitis in the elderly, hormonal rhinitis, non-allergic occupational rhinitis) when known. 2. Presence of significant septal deviation, compatible with impaired nasal ventilatory function, at the discretion of the investigator. 3. Presence of nasal polyposis on anterior rhinoscopy.

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Conditions

The condition(s) this trial relates to.

allergic rhinitis Rhinitis, Allergic

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Allergic rhinitis

Contacts and locations

Locations

  • Eurofarma Laboratorios S.A

    São Paulo, São Paulo, 06696-000, Brazil

More trials for these conditions

Other studies related to the condition(s) this trial covers.