Could two old drugs beat one for migraine prevention?
NCT ID NCT07655700
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This trial tests whether taking two inexpensive migraine prevention drugs together works better than taking either one alone. Adults aged 18 to 55 who have at least four migraines per month will receive propranolol, flunarizine, or both for 12 weeks. The goal is to see which approach reduces monthly migraine days most effectively and safely.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- propranolol and flunarizine (alone or combined)
- What this could lead to
- If the combination works better, it could offer a more effective, affordable option for preventing frequent migraines without needing expensive new drugs.
- What could go wrong
- This is a single-center, open-label trial, so results may not apply broadly. Side effects from either drug or the combination could limit use, and the 12-week duration may not reflect long-term benefits.
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 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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About 177 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jul 2026
An estimate. Start dates often move.
- Expected to finish
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Apr 2027
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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18 to 55 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.
Show the full entry requirements Hide 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: 1. Participants aged 18 to 55 years. 2. Diagnosis of episodic migraine, defined according to the International Classification of Headache Disorders, 3rd edition (ICHD-3) criteria. 3. Participants experiencing 4 or more migraine attacks per month. 4. Willingness to provide written informed consent to participate in the study. Exclusion Criteria: 1. Comorbidities: * Presence of other primary headache disorders, chronic migraine, hemiplegic migraine, basilar migraine or any secondary headache disorder. * Known serious underlying systemic diseases including Cardiac disease (Heart failure, Heart Block, Arrhythmia), Renal dysfunction, Liver dysfunction, Pulmonary disease (Asthma, COPD), Peripheral vascular disease, Extrapyramidal disease (Parkinson disease, Chorea, Dystonia). * Pregnancy or breastfeeding. * Psychiatric illness (Depression, Psychosis, Obsessive compulsive disorder). 2. Medications: * Received migraine prophylactic medication within 60 days prior to screening. * Use of specific contraindicated medications, including beta-blockers or calcium channel blockers, except as part of the study treatments. 3. Non-compliance: * Inability or unwillingness to comply with study protocols, including maintaining a headache diary or attending follow-up visits. 4. History of Allergies: * Known hypersensitivity to propranolol, flunarizine 5. Substance Use: * Current substance abuse
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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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Chittagong Medical College
Chittagong, 4203, Bangladesh
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