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. 2003 Oct 20;2003(4):CD004094. doi: 10.1002/14651858.CD004094.pub2

RIO‐Europe.

Methods Randomized, double‐blind, placebo‐controlled. 
 Weight loss trial.
Participants 1507 patients. 41% hypertensive and 61% dyslipidemic. 1 year follow‐up. Mean age 45 y. Mean BMI 36.0 kg/m2. Mean weight 101 kg. Europe and US.
Interventions Rimonabant 20 mg daily (n=599). Attrition rate 39%. 
 Rimonabant 5 mg daily (n=603). Attrition rate 37%. 
 Placebo (n=305). Attrition rate 42%.
Outcomes weight loss, 5% and 10% responders, waist circ, lipid profile, glucose, insulin, blood pressure, insulin resistance
Notes Co‐interventions:600 kcal/d deficit diet and exercise counseling
Risk of bias
Bias Authors' judgement Support for judgement
Allocation concealment? Low risk A ‐ Adequate