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  • Title: Effect of octreotide on refractory AIDS-associated diarrhea. A prospective, multicenter clinical trial.
    Author: Cello JP, Grendell JH, Basuk P, Simon D, Weiss L, Wittner M, Rood RP, Wilcox CM, Forsmark CE, Read AE.
    Journal: Ann Intern Med; 1991 Nov 01; 115(9):705-10. PubMed ID: 1929038.
    Abstract:
    OBJECTIVE: To determine the efficacy and safety of octreotide for treatment of refractory, profuse diarrhea in patients with the acquired immunodeficiency syndrome (AIDS). DESIGN: A prospective, open-label study. SETTING: Inpatient metabolic units of four university medical centers. PATIENTS: Fifty-one patients infected with human immunodeficiency virus (HIV) who had uncontrolled diarrhea (greater than or equal to 500-mL liquid stool per day) despite treatment with maximally tolerable doses of antidiarrheal medications. INTERVENTION: After initial baseline studies, patients received octreotide, 50 micrograms every 8 hours for 48 hours. If stool volume was not reduced to less than 250 mL/d, the dose of octreotide was increased stepwise to 100, 250, and 500 micrograms. MAIN RESULTS: Fifty men and one woman (mean age, 36.3 +/- 1.1 years) entered and completed the 28-day protocol (14 days of inpatient therapy and 14 days of outpatient therapy). Stool frequency and volume decreased significantly (6.5 +/- 0.5 stools per day on day 0 compared with 3.8 +/- 0.3 stools per day on day 21 [P less than 0.001] and 1604 +/- 180 mL/d on day 0 compared with 1084 +/- 162 mL/d on day 14 [P less than 0.001], respectively). Twenty-one patients (41.2%) were considered to be partial or complete responders (reduction in daily stool volume by greater than or equal to 50% of initial collections or reduction to less than or equal to 250 mL/d). Of the 21 responders, 14 (67%) had no identifiable pathogens at initial screening compared with 9 of 30 (30%) nonresponders (P less than 0.01). CONCLUSION: Patients with AIDS-associated refractory watery diarrhea, especially those without identifiable pathogens, may respond favorably to subcutaneously administered octreotide. This drug deserves further study in a randomized, placebo-controlled trial.
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