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How long does Sustol work to prevent chemotherapy nausea?

Medically reviewed by Last updated on April 1, 2021.

Official Answer


Sustol (generic name: granisetron) has a polymer-based drug delivery system to maintain therapeutic levels of granisetron for 5 days or longer, covering both the acute and delayed phases of chemotherapy-induced nausea and vomiting (CINV).

Sustol is an extended-release, injectable 5-HT3 antagonist for the prevention of CINV due to certain cancer treatments.

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