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GRANISETRON HYDROCHLORIDE is a brand name for Granisetron, supplied as a liquid. The medicine, its uses, side effects and dosage are the same regardless of brand.
Used for: AND CLINICAL USE ....................................................................................... 3 CONTRAINDICATIONS ............................................................................................................ 3 WARNINGS AND…
Verbatim from this product's HC label. Tap a section to expand.
Carcinogenesis and Mutagenesis Granisetron hydrochloride has been associated with an increased occurrence of hepatocellular tumours in carcinogenicity studies performed in rodents at doses in excess of the recommended human dose. Although the clinical significance of these findings has not been determined, the use of this drug should be restricted to the treatment of nausea and vomiting in patients undergoing emetogenic cancer chemotherapy.
The recommended dosage of Granisetron Hydrochloride Injection should not be exceeded. Granisetron was administered to rats in the diet in a 24-month carcinogenicity study. The incidence of hepatocellular carcinomas and adenomas was significantly increased in male rats treated at doses of 5 mg/kg/day and in rats of both sexes treated with 25 mg/kg/day.
No increase in the rate of occurrence of liver tumours was observed in the 1 mg/kg/day treatment group (100 times the recommended human dose given intravenously). In another 24-month carcinogenicity study, mice were administered granisetron in the diet at doses of 1, 5, and 50 mg/kg/day.
There was a statistically significant increase in the incidence of hepatocellular carcinomas in males and hepatocellular adenomas in females dosed with 50 mg/kg/day. No statistically significant increase in liver tumours was observed in mice at a dose of 5 mg/kg/day (500 times the recommended human dose given intravenously).
Cardiovascular As for other 5-HT3 antagonists, cases of ECG modifications including QT prolongation have been reported with granisetron hydrochloride. These ECG changes with granisetron hydrochloride were minor and generally not of clinical significance, specifically with no evidence of proarrhythmia.
However, in patients with pre-existing arrhythmias or cardiac conduction disorders, this might lead to clinical consequences. Therefore, caution should be exercised in patients with cardiac co-morbidities, on cardio-toxic chemotherapy and/or with concomitant electrolyte abnormalities.
See also DRUG INTERACTIONS and ADVERSE REACTIONS, Post-marketing Reports of Adverse Events. Gastrointestinal Granisetron Hydrochloride Injection is not a drug that stimulates gastric or intestinal peristalsis. It should not be used instead of nasogastric suction.
The use of Granisetron Hydrochloride Injection in patients with chemotherapy-induced nausea and vomiting may mask a progressive ileus and/or gastric distension. Patients with signs of sub-acute intestinal obstruction should be monitored following administration of Granisetron Hydrochloride Injection.
Not medical advice. Always read the patient information leaflet and follow your prescriber or pharmacist.
Other brands of Granisetron in Canada.
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Sensitivity/Resistance Hypersensitivity reactions may occur in patients who have exhibited hypersensitivity to other selective 5-HT3 receptor antagonists. Serotonin Syndrome/Neuroleptic Malignant Syndrome-like Events Cases of life-threatening serotonin syndrome have been reported with 5-HT3 receptor antagonist antiemetics, including granisetron hydrochloride, particularly when given in combination with other serotonergic and/or neuroleptic drugs.
, nausea, vomiting, diarrhea). As this syndrome may result in potentially life-threatening conditions, treatment should be discontinued if such events occur and supportive symptomatic treatment should be initiated. If concomitant treatment of Granisetron Hydrochloride Injection with a drug affecting the serotonergic neurotransmitter system is clinically warranted, careful observations of the patient is advised, particularly during treatment initiation and dose increases (see DRUG INTERACTIONS).
Special Populations Pregnant Women:
The use of granisetron hydrochloride in pregnant women has not been studied and is not recommended. Reproduction studies performed in pregnant rats given granisetron at intravenous dosages up to 9 mg/kg/day and pregnant rabbits at intravenous dosage up to 3 mg/kg/day revealed no evidence of impaired fertility or harm to the fetus due to granisetron (see TOXICOLOGY, Reproduction).
Nursing Women:
It is not known whether granisetron is excreted in human milk. Nursing is not recommended during treatment with Granisetron Hydrochloride Injection.
Pediatrics:
The safety and efficacy of granisetron hydrochloride has not been adequately studied in children or adolescents under 18 years of age (see INDICATIONS AND CLINICAL USES and DOSAGE AND ADMINISTRATION).
Geriatrics (> 65 years of age):
During clinical trials, 713 patients 65 years of age or older received intravenous granisetron hydrochloride and of 325 patients 65 years of age or older who received oral granisetron hydrochloride, 298 were 65 to 74 years of age and 27 were 75 years of age or older.
The efficacy and safety of granisetron hydrochloride did not appear to be age dependent (see INDICATIONS AND CLINICAL USES and DOSAGE AND ADMINISTRATION). Information for Patients Effect on Ability to Drive and Use Machinery In healthy subjects, no clinically relevant effects on resting EEG or on the performance of psychometric tests were observed after IV granisetron hydrochloride at any dose tested (up to 200 mcg/kg).
There are no data on the effect of granisetron hydrochloride on the ability to drive. As there have been occasional reports of somnolence in clinical studies, patients should be advised to avoid driving a car or operating hazardous machinery until they are reasonably certain that the drug treatment does not affect them adversely.
ADVERSE REACTIONS Adverse Drug Reaction Overview The most common adverse events reported by patients receiving intravenous granisetron hydrochloride in single-day chemotherapy trials are: headache, asthenia, somnolence, diarrhea, Page 6 of 25 constipation, and abdominal pain (see Table 1 for the percentages of patients with […]