Clinical trial Recruiting at 1 site Interventional Ages 18 to 65

Comparing sphenopalatine block and BOTOX for chronic migraine relief

Official title: Sphenopalatine Block Versus BOTOX in Management of Chronic Migraine: A Randomized Clinical Trial

Run by Cairo University · NCT06974617 · Data updated 2026-11-12

This study is testing whether a nerve block or BOTOX injections can help people with chronic migraines feel better.

Quick facts

Study typeInterventional
Ages18 Years to 65 Years
SexAll
Enrollment64 (estimated)
SponsorCairo University
Academic / other
Locations1 site (Cairo)
StatusRecruiting
StartedMay 15, 2025
Main results expectedOctober 1, 2025
Study endsOctober 1, 2025
Registry record updatedMay 16, 2025
Trial IDNCT06974617 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are adults aged 18 to 65 who experience chronic migraines.

Probably not a fit

Patients with medication overuse headaches or those with bleeding disorders may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This trial evaluates the effectiveness and safety of two treatments for chronic migraine: sphenopalatine ganglion block (SPGB) and intramuscular BOTOX injections. Chronic migraine is characterized by headaches occurring 15 or more days per month, with specific criteria for migraine episodes. The study aims to determine which treatment provides better relief for patients suffering from this debilitating condition. Participants will be monitored for their response to each intervention over a defined period.

Why it matters

Potential benefit: If successful, this study could provide a more effective treatment option for patients suffering from chronic migraines.

How similar studies have gone: Previous studies have shown promising results for both sphenopalatine blocks and BOTOX in treating chronic migraines, indicating that this approach is supported by existing evidence.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age 18 and 65 years.
* Both sexes.
* Chronic migraine. Chronic migraine, defined as headaches on ≥15 days per month for ≥3 months, of which ≥8 days meet criteria for migraine without aura or respond to migraine-specific treatment according to International Classification of Headache Disorders-3 Beta.

Exclusion Criteria:

* Patients with medication over use headache.
* Bleeding disorders.
* Abnormal neurological examination.
* History of allergy to local anesthetics or BOTOX.

Where it's running

  • Cairo University
    Cairo, Egypt
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.