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Subcutaneous histamine versus botulinum toxin type A in migraine prophylaxis: a randomized, double-blind study
R O Millán-Guerrero1, S Isais-Millán, S Barreto-Vizcaíno
1Department of Neurology. Unidad de Investigación Médica en Epidemiología Clínica. Hospital General de Zona UMF No 1 IMSS Colima, Col. México. millanrebeca@hotmail.com
Subcutaneous histamine and botulinum toxin type A (BoNTA) show similar efficacy for migraine prophylaxis. Histamine offers a novel, well-tolerated alternative for reducing headache frequency.
Area of Science:
- Neurology
- Pharmacology
Background:
- Histamine's H3 receptor affinity may inhibit migraine-related neurogenic edema.
- Investigating histamine as a potential migraine prophylaxis agent.
Purpose of the Study:
- To compare the efficacy and tolerability of subcutaneous histamine versus botulinum toxin type A (BoNTA) for migraine prophylaxis.
Main Methods:
- 12-week double-blind trial with 100 migraine patients.
- Subcutaneous histamine (1-10 ng twice weekly) vs. 50 U BoNTA (single cycle).
Main Results:
- Both histamine and BoNTA significantly reduced migraine parameters (P < 0.001) by week 4.
- BoNTA efficacy lasted approximately 40 days.
Conclusions:
- Histamine and BoNTA are similarly effective and well-tolerated for migraine prophylaxis.
- Subcutaneous histamine presents a novel therapeutic option for migraine patients.
- Establishes groundwork for H3 agonists in migraine treatment.
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