Could an allergy pill ease Parkinson's? new trial launches
NCT ID NCT06785298
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is testing whether fexofenadine, a common allergy medication, can improve quality of life for people with Parkinson's disease who are already on standard treatment. Researchers will enroll 46 adults aged 50 and older with mild to moderate Parkinson's. The main goal is to see if adding fexofenadine helps reduce symptoms like slowness, stiffness, and tremor.
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
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Phase 2/3
Runs two stages together: whether the treatment works, then large-scale confirmation.
- Participants
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About 46 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2024
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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50 to 70 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria:• Age ≥ 50 years. Both male and female will be included. Patients with Parkinson's disease on dopamine replacement therapy. Modified Hoehn and Yahr stage, MHY 1-4 Exclusion Criteria:• Atypical parkinsonism or drug-induced parkinsonism Breast feeding Pregnant women and women with planned pregnancy. Patients with significant liver and kidney function abnormalities. History/presence of acute heart disease Alcohol and / or drug abusers. Patients with known allergy to the study medications Other medical conditions that can interfere with results or endanger the participant.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Tanta University
RECRUITINGTanta, 31511, Egypt
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