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Weight changes in obese adults 6‐months after discontinuation of double‐blind zonisamide or placebo treatment
Author(s) -
Shin J. H.,
Gadde K. M.,
Østbye T.,
Bray G. A.
Publication year - 2014
Publication title -
diabetes, obesity and metabolism
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.445
H-Index - 128
eISSN - 1463-1326
pISSN - 1462-8902
DOI - 10.1111/dom.12275
Subject(s) - zonisamide , placebo , discontinuation , medicine , weight loss , confidence interval , randomized controlled trial , anesthesia , obesity , epilepsy , psychiatry , alternative medicine , pathology , topiramate
We evaluated weight changes in obese patients at 6‐months after they ended participation in a 12‐month randomised controlled trial in which they received daily placebo, zonisamide 200 mg or zonisamide 400 mg, in addition to lifestyle counselling. Of the originally randomised 225 patients, 218 completed month‐12 when study interventions were discontinued. For the 154 patients who returned for 6‐month follow‐up off‐treatment, weight changes between month‐12 and month‐18 for placebo (n = 53), zonisamide 200 mg (n = 49) and zonisamide 400 mg groups (n = 52) were 0.5 kg [95% confidence interval ( CI ), −0.8 to 1.8; 0.7%], 1.5 kg (0.2–2.8; 1.6%; p = 0.26 vs. placebo) and 2.4 kg (1.1–3.7; 2.6%; p = 0.04 vs. placebo), respectively. Our results suggest that although zonisamide 400 mg daily for 12‐months resulted in greater weight loss than with placebo, weight regain after discontinuation of interventions was greater in the zonisamide 400 mg group than placebo group.

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