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Future trends in drugs for migraine prophylaxis
Piero Barbanti1, Cinzia Aurilia, Gabriella Egeo
1Headache and Pain Unit, Department of Neurological, Motor and Sensorial Sciences, IRCCS San Raffaele Pisana, via della Pisana 235, 00163 Rome, Italy. piero.barbanti@sanraffaele.it
Summary
New migraine prevention strategies are emerging, moving beyond non-specific drugs to target specific mechanisms like cortical spreading depression. Some novel treatments show promise, while others, like iNOS inhibition, appear ineffective.
Area of Science:
- Neuroscience
- Pharmacology
Background:
- Current migraine prevention relies on non-specific drugs targeting neuronal hyperexcitability.
- Advances in understanding migraine circuitry and neurobiology are driving the development of targeted therapies.
Purpose of the Study:
- To review emerging specific migraine preventive medications targeting novel mechanisms.
- To evaluate the potential of new drug classes for migraine prophylaxis.
Main Methods:
- Review of current research and ongoing clinical trials for migraine prevention.
- Analysis of drug mechanisms targeting specific pathways like cortical spreading depression and nitric oxide synthesis.
Main Results:
- Drugs inhibiting cortical spreading depression (e.g., tonabersat) may benefit migraine with aura but not without aura.
- Inducible nitric-oxide synthase (iNOS) inhibition shows no prophylactic efficacy.
- Phase II trial results are pending for glutamate receptor antagonists, novel antiepileptics, melatonin agonists, vitamin D3, and statins.
Conclusions:
- Specific migraine prevention strategies targeting novel mechanisms are under investigation.
- The efficacy of new drug classes varies depending on the targeted mechanism and migraine subtype.
- Further clinical trials are crucial to establish the effectiveness of these emerging migraine therapies.
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