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Metoclopramide and Ondanteron

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

This combination blocks dopamine receptors (metoclopramide) to enhance gastric motility and blocks serotonin 5-HT3 receptors (ondansetron) to prevent nausea and vomiting.

This combination blocks dopamine receptors (metoclopramide) to enhance gastric motility and blocks serotonin 5-HT3 receptors (ondansetron) to prevent nausea and vomiting. Used for Nausea and vomiting (likely postoperative or chemotherapy-induced), Gastric dysmotility and delayed gastric emptying.

At a glance

Generic nameMetoclopramide and Ondanteron
SponsorShahid Beheshti University of Medical Sciences
Drug classAntiemetic/Prokinetic combination
TargetDopamine receptors (D2) and 5-HT3 serotonin receptors
ModalitySmall molecule
Therapeutic areaGastroenterology
PhasePhase 3

Mechanism of action

Metoclopramide acts as a dopamine antagonist that increases gastric contractions and accelerates gastric emptying, while ondansetron is a selective 5-HT3 receptor antagonist that blocks serotonin signaling in the chemoreceptor trigger zone and gastrointestinal tract. Together, they provide complementary antiemetic and prokinetic effects for managing nausea, vomiting, and gastric dysmotility.

Approved indications

Common side effects

Key clinical trials

Primary sources

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

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