Granisetron Hydrochloride
Generic Name: granisetron hydrochloride
Brand Names:
Granisetron Hydrochloride
11 DESCRIPTION Granisetron hydrochloride injection, USP is a serotonin-3 (5-HT 3 ) receptor antagonist. Chemically it is endo -N-(9-methyl-9-azabicyclo [3.3.1] non-3-yl)-1-methyl-1H-indazole-3-carboxamide hydrochloride with a molecular weight of 348.9 (312.4 free base). Its molecular formula is C 18 H 24 N 4 O•HCl, while its chemical structure is: Granisetron hydrochloride USP is a white or almost white powder that is readily soluble in water and normal saline at 20°C.
Overview
11 DESCRIPTION Granisetron hydrochloride injection, USP is a serotonin-3 (5-HT 3 ) receptor antagonist. Chemically it is endo -N-(9-methyl-9-azabicyclo [3.3.1] non-3-yl)-1-methyl-1H-indazole-3-carboxamide hydrochloride with a molecular weight of 348.9 (312.4 free base). Its molecular formula is C 18 H 24 N 4 O•HCl, while its chemical structure is: Granisetron hydrochloride USP is a white or almost white powder that is readily soluble in water and normal saline at 20°C.
Uses
1 INDICATIONS AND USAGE Granisetron hydrochloride injection, is a serotonin-3 (5-HT 3 ) receptor antagonist indicated for: The prevention of nausea and/or vomiting associated with initial and repeat courses of emetogenic cancer therapy, including high-dose cisplatin. The prevention and treatment of postoperative nausea and vomiting in adults. As with other antiemetics, routine prophylaxis is not recommended in patients in whom there is little expectation that nausea and/or vomiting will occur postoperatively. In patients where nausea and/or vomiting must be avoided during the postoperative period, granisetron hydrochloride injection is recommended even where the incidence of postoperative nausea and/or vomiting is low.
Dosage
2 DOSAGE AND ADMINISTRATION Prevention of chemotherapy-induced nausea and vomiting ( 2.1 ): Recommended dosage is 10 mcg/kg intravenously within 30 minutes before initiation of chemotherapy Pediatric patients (2 to 16 years): Recommended dosage is 10 mcg/kg Prevention of postoperative nausea and vomiting ( 2.2 ): Recommended dosage is 1 mg, undiluted, administered intravenously over 30 seconds, before anesthetic induction or immediately before reversal of anesthesia. Treatment of postoperative nausea and vomiting ( 2.2 ): Recommended dosage is 1 mg, undiluted, administered intravenously over 30 seconds.
Side Effects
6 ADVERSE REACTIONS QT prolongation has been reported with granisetron hydrochloride [see Warnings and Precautions (5.2) and Drug Interactions (7) ] . Most common adverse reactions: Chemotherapy-induced nausea and vomiting (≥ 3%): Headache, and constipation (6.1) Postoperative nausea and vomiting (≥ 2%): Pain, headache, fever, abdominal pain and hepatic enzymes increased ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Eugia US LLC at 1-866-850-2876 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch .
Interactions
7 DRUG INTERACTIONS Granisetron does not induce or inhibit the cytochrome P-450 drug-metabolizing enzyme system in vitro . There have been no definitive drug-drug interaction studies to examine pharmacokinetic or pharmacodynamic interaction with other drugs; however, in humans, granisetron hydrochloride injection has been safely administered with drugs representing benzodiazepines, neuroleptics and anti-ulcer medications commonly prescribed with antiemetic treatments. Granisetron hydrochloride injection also does not appear to interact with emetogenic cancer chemotherapies. Because granisetron is metabolized by hepatic cytochrome P-450 drug-metabolizing enzymes, inducers or inhibitors of these enzymes may change the clearance and, hence, the half-life of granisetron.
Warnings
5 WARNINGS AND PRECAUTIONS Granisetron hydrochloride does not stimulate gastric or intestinal peristalsis and should not be used instead of nasogastric suction. (5.1) QT prolongation has been reported with granisetron hydrochloride. Use with caution in patients with pre-existing arrhythmias or cardiac conduction disorders. (5.2) Hypersensitivity reactions, such as anaphylaxis, shortness of breath, hypotension, and urticaria, may occur in patients with known hypersensitivity to other selective 5-HT 3 receptor antagonists. (5.3) Serotonin syndrome has been reported with granisetron products, alone but particularly with concomitant use of serotonergic drugs. (5.4) 5.1 Gastric or Intestinal Peristalsis Granisetron hydrochloride is not a drug that stimulates gastric or intestinal peristalsis. 4 CONTRAINDICATIONS Granisetron hydrochloride injection is contraindicated in patients with known hypersensitivity (e.g., anaphylaxis, shortness of breath, hypotension, urticaria) to the drug or to any of its components. Hypersensitivity to granisetron or to any of its components. (4)
Pregnancy
8.1 Pregnancy Teratogenic Effects Reproduction studies have been performed in pregnant rats at intravenous doses up to 9 mg/kg/day (54 mg/m 2 /day, 146 times the recommended human dose based on body surface area) and pregnant rabbits at intravenous doses up to 3 mg/kg/day (35.4 mg/m 2 /day, 96 times the recommended human dose based on body surface area) and have revealed no evidence of impaired fertility or harm to the fetus due to granisetron. There are, however, no adequate and well-controlled studies in pregnant women.
Storage
16 HOW SUPPLIED/STORAGE AND HANDLING Granisetron hydrochloride injection USP, 1 mg/mL (free base), is supplied in 1 mL Single-Dose Vials and 4 mg/4 mL Multiple-Dose Vials.
Frequently Asked Questions
What is Granisetron Hydrochloride used for?▼
1 INDICATIONS AND USAGE Granisetron hydrochloride injection, is a serotonin-3 (5-HT 3 ) receptor antagonist indicated for: The prevention of nausea and/or vomiting associated with initial and repeat courses of emetogenic cancer therapy, including high-dose cisplatin. The prevention and treatment of postoperative nausea and vomiting in adults. As with other antiemetics, routine prophylaxis is not recommended in patients in whom there is little expectation that nausea and/or vomiting will occur postoperatively. In patients where nausea and/or vomiting must be avoided during the postoperative period, granisetron hydrochloride injection is recommended even where the incidence of postoperative nausea and/or vomiting is low.
What are the side effects of Granisetron Hydrochloride?▼
6 ADVERSE REACTIONS QT prolongation has been reported with granisetron hydrochloride [see Warnings and Precautions (5.2) and Drug Interactions (7) ] . Most common adverse reactions: Chemotherapy-induced nausea and vomiting (≥ 3%): Headache, and constipation (6.1) Postoperative nausea and vomiting (≥ 2%): Pain, headache, fever, abdominal pain and hepatic enzymes increased ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Eugia US LLC at 1-866-850-2876 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch .
Can I take Granisetron Hydrochloride during pregnancy?▼
8.1 Pregnancy Teratogenic Effects Reproduction studies have been performed in pregnant rats at intravenous doses up to 9 mg/kg/day (54 mg/m 2 /day, 146 times the recommended human dose based on body surface area) and pregnant rabbits at intravenous doses up to 3 mg/kg/day (35.4 mg/m 2 /day, 96 times the recommended human dose based on body surface area) and have revealed no evidence of impaired fertility or harm to the fetus due to granisetron. There are, however, no adequate and well-controlled studies in pregnant women.
What are the important warnings for Granisetron Hydrochloride?▼
5 WARNINGS AND PRECAUTIONS Granisetron hydrochloride does not stimulate gastric or intestinal peristalsis and should not be used instead of nasogastric suction. (5.1) QT prolongation has been reported with granisetron hydrochloride. Use with caution in patients with pre-existing arrhythmias or cardiac conduction disorders. (5.2) Hypersensitivity reactions, such as anaphylaxis, shortness of breath, hypotension, and urticaria, may occur in patients with known hypersensitivity to other selective 5-HT 3 receptor antagonists. (5.3) Serotonin syndrome has been reported with granisetron products, alone but particularly with concomitant use of serotonergic drugs. (5.4) 5.1 Gastric or Intestinal Peristalsis Granisetron hydrochloride is not a drug that stimulates gastric or intestinal peristalsis. 4 CONTRAINDICATIONS Granisetron hydrochloride injection is contraindicated in patients with known hypersensitivity (e.g., anaphylaxis, shortness of breath, hypotension, urticaria) to the drug or to any of its components. Hypersensitivity to granisetron or to any of its components. (4)
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.