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    Nausea and Vomiting (PDQ®): Supportive care - Health Professional Information [NCI] - Prevention of Acute / Delayed Nausea and Vomiting (Emesis)



    Granisetron has demonstrated efficacy in preventing and controlling N&V at a broad range of doses (e.g., 10-80 µg/kg and empirically, 3 mg/dose). In the United States, granisetron injection, transdermal patch, and oral tablets are approved for initial and repeat prophylaxis for patients receiving emetogenic chemotherapy, including high-dose cisplatin. Granisetron is pharmacologically and pharmacokinetically distinct from ondansetron; however, clinically it appears equally efficacious and equally safe.[33,34,35,36][Level of evidence: I] Both granisetron formulations are given before chemotherapy, as either a single IV dose of 10 µg/kg (0.01 mg/kg) or 1 mg orally every 12 hours.

    Both granisetron formulations and ondansetron injection share the same indication against highly emetogenic chemotherapy. In contrast, the oral ondansetron formulation has been approved only for use against N&V associated with moderately emetogenic chemotherapy.

    Currently, granisetron injection is approved for use without dosage modification in patients older than 2 years, including elderly patients and patients with hepatic and renal insufficiency. Oral granisetron has not yet been approved for use in pediatric patients.


    Both oral and injection formulations of dolasetron are indicated for the prevention of N&V associated with moderately emetogenic cancer chemotherapy, including initial and repeat courses. Oral dolasetron may be dosed as 100 mg within 1 hour before chemotherapy. Dolasetron is given IV or orally at 1.8 mg/kg as a single dose approximately 30 minutes before chemotherapy.

    The effectiveness of oral dolasetron in the prevention of chemotherapy-induced nausea and vomiting (CINV) has been proven in a large randomized, double-blind, comparative trial of 399 patients.[37][Level of evidence: I] Oral dolasetron was administered in the range of 25 to 200 mg 1 hour prior to chemotherapy. The other study arm consisted of oral ondansetron (8 mg) administered 1.5 hours before chemotherapy and every 8 hours after chemotherapy for a total of three doses. Complete response (CR) rates improved with increasing doses of dolasetron. Both dolasetron 200 mg and ondansetron had significantly higher CR rates as compared with dolasetron 25 or 50 mg. (CR was defined as no emetic episodes and no use of escape antiemetic medications.) Dolasetron injection has also been proven effective in the prevention of CINV.[38][Level of evidence: I]

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