Articles: nausea.
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Clinical Trial Controlled Clinical Trial
Reduction of postoperative nausea and vomiting with granisetron.
The antiemetic effects of granisetron, a selective 5-hydroxy-tryptamine type 3 receptor antagonist, on postoperative nausea and vomiting were studied and compared with placebo and metoclopramide in 60 patients undergoing general anaesthesia for major gynaecological surgery. The patients received a single i.v. dose of either granisetron (3 mg, n = 20) metoclopramide (10 mg, n = 20), or placebo (saline, n = 20) immediately after recovery from anaesthesia. The effects were assessed during the first three and the next 21 hr after recovery from anaesthesia by means of a nausea and vomiting score; 0 = no emetic symptoms, 1 = nausea, 2 = vomiting. ⋯ The scores of the metoclopramide and the granisetron groups were different from the placebo group in the first three hours (P < 0.05). Although there were no differences in the scores during 0-3 hr between the metoclopramide and the granisetron groups, there were differences during 3-24 hr (P < 0.05). It is concluded that granisetron is superior to metoclopramide in the long-term prevention of postoperative nausea and vomiting after anaesthesia.
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Multicenter Study Clinical Trial
Ondansetron: prevention of nausea & vomiting in cisplatin based chemotherapy.
Ondansetron in the prophylaxis of Cisplatin-induced emesis and nausea. The 5-HT3 antagonist ondansetron clearly offers a new approach to the control of Cisplatin-induced emesis and has been evaluated in Thailand. To evaluate anti-emetic efficacy of ondansetron in the prevention of nausea and vomiting induced by Cisplatin containing cancer chemotherapy regimen, we carried out an open multicentre study from January 1991 to December 1992. ⋯ Complete response (complete control of emesis) was achieved in 60 per cent; major response (1-2 emetic episodes) was 13 per cent; minor response (3-5 emetic episodes) was 13 per cent; and failure (5+ emetic episodes) was 10 per cent. Side effects were very mild and not significant. We conclude that ondansetron is efficacious in protecting patients from Cisplatin induced emesis and nausea.
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Randomized Controlled Trial Clinical Trial
Influence of droperidol on nausea and vomiting during patient-controlled analgesia.
We have studied the addition of droperidol to morphine during patient-controlled analgesia (PCA) in 57 patients using PCA after abdominal hysterectomy. Patients in group 1 (control group) received placebo at induction of anaesthesia and a PCA containing morphine; those in group 2 received droperidol 1.25 mg and a PCA containing morphine and those in group 3 droperidol and a PCA containing droperidol 0.05 mg mg-1 of morphine. ⋯ We did not observe side effects attributable to droperidol. We conclude that droperidol added to morphine in PCA reduces nausea and antiemetic requirements after abdominal hysterectomy.
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Am. J. Clin. Oncol. · Apr 1994
Randomized Controlled Trial Comparative Study Clinical TrialA randomized double-blind trial of ondansetron alone versus in combination with dexamethasone versus in combination with dexamethasone and lorazepam in the prevention of emesis due to cisplatin-based chemotherapy.
To compare the effectiveness and side effects of antiemetic regimens using ondansetron alone (O) versus ondansetron plus dexamethasone (OD) versus ondansetron plus dexamethasone plus lorazepam (ODA) in the prevention of emesis induced by cisplatin-based chemotherapy. ⋯ Ondansetron was very effective in the prevention of nausea and vomiting during the acute phase after cisplatin administration. In treating delayed nausea and vomiting, although the results of three regimens were still disappointing, the combination of ondansetron plus dexamethasone or plus lorazepam provided superior results. Patients who received the lorazepam-containing regimen appeared more comfortable and less restless than those who were given other regimens.
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Am. J. Clin. Oncol. · Apr 1994
Randomized Controlled Trial Comparative Study Clinical TrialEfficacy of oral ondansetron, a selective antagonist of 5-HT3 receptors, in the treatment of nausea and vomiting associated with cyclophosphamide-based chemotherapies. Ondansetron Study Group.
We evaluated the efficacy and safety of oral ondansetron, a selective antagonist of 5-HT3 receptors, for the treatment of nausea and vomiting associated with cyclophosphamide-based chemotherapy (> 500 mg/m2). In this trial 324 chemotherapy-naive cancer patients, mostly females with breast cancer, were randomized to receive either placebo or ondansetron 1 mg, 4 mg, or 8 mg three times per day for 3 days. There were no differences in the doses of cyclophosphamide, doxorubicin, and methotrexate between the study groups. ⋯ A higher incidence of headaches and gastrointestinal complaints (constipation, abdominal pain) were observed in the three ondansetron groups. In conclusion, oral ondansetron is an effective and well-tolerated antiemetic treatment in the management of cancer patients receiving ambulatory cyclophosphamide-based chemotherapy. These results support the view that serotonin and 5-HT3 receptors play an important role in cyclophosphamide-induced nausea and vomiting.