Last reviewed · How we verify

Sumatriptan+Promethazine (SPr)

Shahid Beheshti University of Medical Sciences · Phase 3 active Small molecule

Sumatriptan is a selective serotonin receptor agonist, and Promethazine is an antihistamine and anticholinergic.

Sumatriptan is a selective serotonin receptor agonist, and Promethazine is an antihistamine and anticholinergic. Used for Migraine prevention and treatment, Nausea and vomiting.

At a glance

Generic nameSumatriptan+Promethazine (SPr)
SponsorShahid Beheshti University of Medical Sciences
Drug classSerotonin receptor agonist, Antihistamine, Anticholinergic
Target5-HT1B, 5-HT1D
ModalitySmall molecule
Therapeutic areaNeurology
PhasePhase 3

Mechanism of action

Sumatriptan works by binding to serotonin receptors, specifically 5-HT1B and 5-HT1D receptors, to induce vasoconstriction and inhibit pro-inflammatory neuropeptide release. Promethazine has antihistaminic and anticholinergic effects, which contribute to its sedative and antiemetic properties.

Approved indications

Common side effects

Key clinical trials

Primary sources

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SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results