Cited by 801Pharmacology and Obesity TreatmentBariatric Surgery and OutcomesObesity, Physical Activity, Diet

Long term pharmacotherapy for obesity and overweight: updated meta-analysis

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Rucker, Diana, Padwal, Raj, Li, Stephanie K, Curioni, Cintia, Lau, David C W·2007·BMJ

Abstract

OBJECTIVE: To summarise the long term efficacy of anti-obesity drugs in reducing weight and improving health status. DESIGN: Updated meta-analysis of randomised trials. DATA SOURCES: Medline, Embase, the Cochrane controlled trials register, the Current Science meta-register of controlled trials, and reference lists of identified articles. All data sources were searched from December 2002 (end date of last search) to December 2006. STUDIES REVIEWED: Double blind randomised placebo controlled trials of approved anti-obesity drugs used in adults (age over 18) for one year or longer. RESULTS: 30 trials of one to four years' duration met the inclusion criteria: 16 orlistat (n=10 631 participants), 10 sibutramine (n=2623), and four rimonabant (n=6365). Of these, 14 trials were new and 16 had previously been identified. Attrition rates averaged 30-40%. Compared with placebo, orlistat reduced weight by 2.9 kg (95% confidence interval 2.5 kg to 3.2 kg), sibutramine by 4.2 kg (3.6 kg to 4.7 kg), and rimonabant by 4.7 kg (4.1 kg to 5.3 kg). Patients receiving active drug treatment were significantly more likely to achieve 5% and 10% weight loss thresholds. Orlistat reduced the incidence of diabetes and improved concentrations of total cholesterol and low density lipoprotein cholesterol, blood pressure, and glycaemic control in patients with diabetes but increased rates of gastrointestinal side effects and slightly lowered concentrations of high density lipoprotein. Sibutramine improved [corrected] concentrations of high density lipoprotein cholesterol and triglycerides [corrected] Rimonabant improved concentrations of high density lipoprotein cholesterol and triglycerides, blood pressure, and glycaemic control in patients with diabetes but increased the risk of mood disorders. CONCLUSIONS: Orlistat, sibutramine, and rimonabant modestly reduce weight, have differing effects on cardiovascular risk profiles, and have specific adverse effects.

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  1. HaslamDW,JamesWPT.Obesity.Lancet 2005;366:1197-209.

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Authors
Rucker, D., Padwal, R., Li, S. K., Curioni, C., & Lau, D. C. W.
Affiliations
  • University of Alberta (CA)
  • University of Calgary (CA)
Corresponding author
Padwal, Raj
Venue
BMJ
Publisher
BMJ
Published
2007-11-15
Volume
335
Issue
7631
Pages
1194-1199
ISSN
  • 0007-1447 (ISSN-L)
  • 0959-8138
  • 1468-5833
OpenAlex
W2005136472
Cited by
801
References
26
Citations by year
2026: 9 · 2025: 25 · 2024: 17 · 2023: 25 · 2022: 19 · 2021: 23 · 2020: 32 · 2019: 27 · 2018: 38 · 2017: 32 · 2016: 29 · 2015: 43 · 2014: 45 · 2013: 75 · 2012: 66
FWCI
49.19
Type
journal article
Language
en
Open access
Locations
  • BMJ (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • HighWire Press Open Archive (submittedVersion)
Topics
  • Health Sciences › Medicine › Pharmacology › Pharmacology and Obesity Treatment
  • Health Sciences › Medicine › Surgery › Bariatric Surgery and Outcomes
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Obesity, Physical Activity, Diet
Keywords
anti-obesity drugs, obesity, overweight, orlistat, sibutramine, rimonabant, long-term efficacy, weight loss, diabetes mellitus, cardiovascular risk, lipid profile, blood pressure, adverse effects, mood disorders, gastrointestinal adverse effects
MeSH terms
Orlistat, Double-Blind Method, Humans, Lactones, Long-Term Care, Obesity, Randomized Controlled Trials as Topic, Anti-Obesity Agents, Overweight

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