Transdermal Nicotine for Mildly to Moderately Active Ulcerative Colitis: A Randomized, Double-Blind, Placebo-Controlled Trial
摘要:
Background: Ulcerative colitis is predominantly a disease of nonsmokers. Transdermal nicotine may help control clinical manifestations of this condition. Objective: To determine the efficacy of transdermal nicotine for controlling clinical disease activity in active ulcerative colitis. Design: Randomized, double-blind, placebo-controlled, single-center clinical trial. Setting: Multispecialty group serving as an academic tertiary referral center. Patients: 64 nonsmoking patients with mildly to moderately active ulcerative colitis despite the use of medication. Intervention: Patients were stratified on the basis of smoking history, extent of disease, and concomitant medical therapy. After stratification, patients were randomly assigned to daily treatment with transdermal nicotine (n = 31) at the highest tolerated dose (11 mg for 1 week and then ≤22 mg for 3 weeks) or placebo (n = 33). Measurements: Clinical features were assessed at baseline and 4 weeks by endoscopy, physician assessment, and a patient diary of daily symptoms. Serum concentrations of nicotine were determined by using gas chromatography and mass spectrometry, and plasma concentrations of cotinine were measured by using high-performance liquid chromatography. Results: At 4 weeks, 12 of 31 patients (39%) who received nicotine showed clinical improvement compared with 3 of 33 patients (9%) who received placebo (P 0.007). Four patients receiving nicotine discontinued therapy because of side effects (contact dermatitis [n = 2], nausea [n = 1], and acute pancreatitis [n = 1]). At week 4, the nicotine group had a mean (±SD) trough serum nicotine concentration of 11.3 ± 8,4 ng/mL and a mean trough plasma cotinine concentration of 192 ± 95 ng/mL. Conclusions: Transdermal nicotine administered at the highest tolerated dosage (≤22 mg/d) for 4 weeks is efficacious for controlling clinical manifestations of mildly to moderately active ulcerative colitis.
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DOI:
10.7326/0003-4819-126-5-199703010-00004
被引量:
年份:
1997


































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