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Medline ® Abstract for Reference 148

of '化疗药物的肠道毒性'

148
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Phase I trial of the somatostatin analog octreotide acetate in the treatment of fluoropyrimidine-induced diarrhea.
AU
Wadler S, Haynes H, Wiernik PH
SO
J Clin Oncol. 1995;13(1):222.
 
PURPOSE: Diarrhea is one of the dose-limiting toxicities for administration of fluorouracil (5FU) in patients with gastrointestinal malignancies and can result in severe morbidities or mortality. The somatostatin analog octreotide acetate has been used in the treatment of 5FU-induced diarrhea with promising results. A phase I trial was initiated to determine the maximum-tolerated dose of octreotide acetate that could be administered in this setting.
PATIENTS AND METHODS: Patients were required to have National Cancer Institute Common Toxicity Criteria>or = grade 2 diarrhea or watery diarrhea secondary to treatment with 5FU or a modulated 5FU regimen. At least three patients were treated at each dose level; after satisfactory completion of this dose level (zero of three or one of six patients with<or = grade 2 toxicity), additional patients were added at the next dose level. Doses of octreotide acetate studied were 50 to 2,500 micrograms subcutaneously three times daily for 5 days.
RESULTS: A total of 35 patients received 49 courses of therapy. The only significant toxicities occurred at 2,500 micrograms. At this dose level, one patient developed an allergic reaction with flushing, nausea, and dizziness after each of the first two injections. A second patient developed asymptomatic hypoglycemia with a serum glucose level of 26 mg/dL. The maximum-tolerated dose was 2,000 micrograms. The efficacy of the treatment correlated significantly (P = .01) with the dose of octreotide administered, and more patients completed the course of therapy at the higher doses.
CONCLUSION: Octreotide acetate can be safely administered for the treatment of fluoropyrimidine-induced diarrhea in patients with gastrointestinal malignancies. The dose-limiting toxicities were allergic (nausea, rash, and light-headedness) and endocrine (hypoglycemia). There was a significant correlation between complete response to therapy and octreotide dose.
AD
Albert Einstein Cancer Center, Bronx, NY.
PMID