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Neuroleptics and migraine.

Petcharat Dusitanond1, William B Young

  • 1Jefferson Headache Center, Department of Neurology, Thomas Jefferson University, USA. petcharad@yahoo.com

Central Nervous System Agents in Medicinal Chemistry
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Summary

Dopamine antagonists offer migraine relief, but side effects are a concern. Atypical neuroleptics and specific drug combinations show promise for acute and preventive migraine treatment, warranting further research into their mechanisms.

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Area of Science:

  • Neuroscience
  • Pharmacology
  • Genetics

Background:

  • Dopamine antagonists are established acute migraine treatments.
  • Genetic studies suggest dopamine hypersensitivity in individuals with migraine due to dopamine gene polymorphisms (DRD2 receptors).
  • Conventional neuroleptics have limiting adverse event profiles, including extrapyramidal symptoms and cardiac effects.

Purpose of the Study:

  • To review the efficacy and limitations of dopamine antagonists in migraine treatment.
  • To explore the potential of atypical neuroleptics for acute and preventive migraine therapy.
  • To elucidate the mechanisms of action of neuroleptics in migraine management.

Main Methods:

  • Literature review of dopamine antagonists and neuroleptics in migraine treatment.
  • Analysis of genetic studies on dopamine receptor polymorphisms and migraine.
  • Examination of clinical trial data and pharmacological mechanisms.

Main Results:

  • Atypical neuroleptics like olanzapine and quetiapine show potential for both acute and preventive migraine treatment with fewer side effects.
  • A combination of prochlorperazine, indomethacin, and caffeine is effective for acute migraine attacks.
  • Dopamine D2 receptor antagonism is a likely mechanism for neuroleptic-induced headache relief, with serotonin receptor antagonism also playing a role in prevention.

Conclusions:

  • Atypical neuroleptics represent a promising therapeutic option for migraine, offering improved safety profiles.
  • Understanding the precise mechanisms of neuroleptic action in migraine can guide the development of novel treatments.
  • Further research is needed to optimize the use of neuroleptics and related compounds for comprehensive migraine management.