A Study Using Botulinum Toxin Type A as Headache Prophylaxis in Adolescents with Chronic Migraine
Study type: Interventional What is this?
Describes the nature of a clinical study. Types include:
- Observational study — observes people and measures outcomes without affecting results.
- Interventional study (clinical trial) — studies new tests, treatments, drugs, surgical procedures or devices.
- Medical records research — uses historical information collected from medical records of large groups of people to study how diseases progress and which treatments and surgeries work best.
Study phase: III What is this?
During the early phases (phases 1 and 2), researchers assess safety, side effects, optimal dosages and risks/benefits. In the later phase (phase 3), researchers study whether the treatment works better than the current standard therapy. They also compare the safety of the new treatment with that of current treatments. Phase 3 trials include large numbers of people to make sure that the result is valid. There are also less common very early (phase 0) and later (phase 4) phases. Phase 0 trials are small trials that help researchers decide if a new agent should be tested in a phase 1 trial. Phase 4 trials look at long-term safety and effectiveness, after a new treatment has been approved and is on the market.
- Rochester, Minnesota: 12-009297
NCT ID: NCT01662492
Sponsor Protocol Number: 191622-103
About this study
To evaluate the efficacy and safety of Botulinum Toxin Type A versus placebo (normal saline) as headache prophylaxis in adolescents (children 12 to 17) with chronic migraine.
Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. If you need assistance understanding the eligibility criteria, please contact the study team.
See eligibility criteria
- Medical history of chronic migraine for at least 6 months
- 15 or more headache days during a 4 week period
- Previous use of any botulinum toxin of any serotype for any reason
- Diagnosis of Myasthenia gravis, Eaton-Lambert Syndrome, Amyotrophic Lateral Sclerosis
- Treatment of headache using acupuncture, transcutaneous electrical stimulation (TENS), cranial traction, dental splints, or injection of anesthetics/steroids within 4 weeks prior to the week -4 screening visit
- Use of any headache prophylaxis medication within 4 weeks prior to the week -4 screening visit
Participating Mayo Clinic locations
Study statuses change often. Please contact us for help.
|Mayo Clinic Location
Mayo Clinic principal investigator
Kenneth Mack, M.D., Ph.D.
Closed for enrollment