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An enteric-coated high-buffered pancrelipase reduces steatorrhea in patients with cystic fibrosis: a prospective, randomized study.

Author(s): Brady MS, Garson JL, Krug SK, Kaul A, Rickard KA, Caffrey HH, Fineberg N, Balistreri WF, Stevens JC

Affiliation(s): Indiana University School of Health and Rehabilitation Sciences, Indianapolis, IN 46202-5119, USA. mabrady@iupui.edu

Publication date & source: 2006-08, J Am Diet Assoc., 106(8):1181-6.

Publication type: Multicenter Study; Randomized Controlled Trial

OBJECTIVE: Enteric-coated (EC) high-buffered (2.5 mEq [2.5 mmol] bicarbonate per capsule) pancrelipase microsphere enzymes were compared to EC-nonbuffered pancreatic enzymes for efficacy in reducing steatorrhea in patients with cystic fibrosis. DESIGN: Prospective, randomized, controlled trial using a crossover design with each subject as his/her own control. SUBJECTS/SETTING: Eighteen subjects with cystic fibrosis, who had pancreatic insufficiency and required large enzyme doses, were studied over two consecutive 7-day treatment periods. INTERVENTION: Each 7-day period consisted of 3 days at home followed by 4 days in a general clinical research center for careful control of diets, enzyme lipase doses (given at approximately 50% of the subject's usual lipase dose), and carmine red-labeled stool collections for 72-hour fecal fat balance studies. MAIN OUTCOME MEASURE: Fecal fat excretion. STATISTICAL ANALYSES PERFORMED: Differences in fat excretion, when each subject received EC-high-buffered pancrelipase vs EC-nonbuffered enzymes, were compared using linear modeling. RESULTS: Mean fat excretion decreased significantly in each subject during periods when given EC-high-buffered pancrelipase compared with periods when given EC-nonbuffered enzymes (fat excretion 18.2% vs 24.9% or fat absorption 81.8% vs 75.1%, respectively; P=0.01). Thirteen of 18 subjects (72%) excreted less fat when receiving EC-high-buffered pancrelipase whereas 10 (56%) decreased fat excretion by more than 5%, and five subjects did not respond. CONCLUSIONS: EC-high-buffered pancrelipase decreased fat excretion, symbolizing improved fat absorption, when compared with EC-nonbuffered pancreatic enzymes given at equivalent, reduced (approximately 50% of usual) lipase doses in nourished subjects with cystic fibrosis and mild pulmonary disease.

Page last updated: 2006-11-04

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