Last reviewed · How we verify

Treatment 2 Ondansetron

Hamad Medical Corporation · FDA-approved active Small molecule

Ondansetron blocks serotonin (5-HT3) receptors on chemoreceptor trigger zone and vagal afferent nerves to prevent nausea and vomiting.

Ondansetron blocks serotonin (5-HT3) receptors on chemoreceptor trigger zone and vagal afferent nerves to prevent nausea and vomiting. Used for Prevention of nausea and vomiting induced by chemotherapy, Prevention of post-operative nausea and vomiting, Prevention of radiation-induced nausea and vomiting.

At a glance

Generic nameTreatment 2 Ondansetron
Also known asZofrane
SponsorHamad Medical Corporation
Drug class5-HT3 receptor antagonist
Target5-HT3 receptor
ModalitySmall molecule
Therapeutic areaOncology, Gastroenterology
PhaseFDA-approved

Mechanism of action

Ondansetron is a selective 5-HT3 receptor antagonist that inhibits serotonin signaling in the chemoreceptor trigger zone and gastrointestinal tract. By blocking these receptors, it prevents the emetic signals that trigger nausea and vomiting, particularly those induced by chemotherapy, radiation, or post-operative conditions.

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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