Drug effects on neuropeptides and their receptors : Big hopes but moderate success in the treatment of chronic pain

Borbély, Éva and Pethő, Gábor (2024) Drug effects on neuropeptides and their receptors : Big hopes but moderate success in the treatment of chronic pain. CURRENT OPINION IN PHARMACOLOGY, 77. No. 102474. ISSN 1471-4892

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Abstract

Neuropeptides, including tachykinins, CGRP, and somatostatin, are localized in a peptidergic subgroup of nociceptive primary afferent neurons. Tachykinins and CGRP are pronociceptive, somatostatin is an antinociceptive mediator. Intensive drug research has been performed to develop tachykinin and CGRP antagonists, and somatostatin agonists as analgesics. CGRP receptor antagonists are efficacious and welltolerated drugs in migraine. Monoclonal antibodies against CGRP or its receptor are used for the prophylactic treatment of migraine. Tachykinin NK1 receptor antagonists failed as analgesics but are used for chemotherapy-induced nausea and vomiting. New, orally active somatostatin 4 receptor agonists are promising drug candidates for treating various pain conditions.

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