TY - JOUR T1 - A lifestyle intervention or metformin prevented or delayed the onset of metabolic syndrome in persons at risk JF - Evidence Based Medicine JO - Evid Based Med SP - 172 LP - 172 DO - 10.1136/ebm.10.6.172 VL - 10 IS - 6 A2 - , Y1 - 2005/12/01 UR - http://ebm.bmj.com/content/10/6/172.abstract N2 - Orchard TJ, Temprosa M, Goldberg R, et al. The effect of metformin and intensive lifestyle intervention on the metabolic syndrome: the Diabetes Prevention Program randomized trial. Ann Intern Med 2005;142:611–9.OpenUrlCrossRefPubMedWeb of Science 
 
 Q In persons with impaired glucose tolerance, does an intensive lifestyle intervention (ILS) or treatment with metformin plus standard lifestyle recommendations prevent onset or promote resolution of metabolic syndrome? Clinical impact ratings GP/FP/Primary care ★★★★★★☆ IM/Ambulatory care ★★★★★☆☆ Endocrine ★★★★☆☆☆ Design: randomised placebo controlled trial (The Diabetes Prevention Program randomised trial). Allocation: concealed.* Blinding: blinded (clinicians, participants, data collectors, and outcome assessors for metformin and placebo).* Follow-up period: mean 3.2 years. Setting: 27 centres in the US. Participants: 3234 participants ⩾25 years of age (mean age 51y, 68% women) without diabetes who had a body mass index ⩾24 kg/m2 (⩾22 kg/m2 for Asian Americans) and a plasma glucose concentration 5.3–7.0 mmol/l (95–125 mg/dl) (⩽7.0 mmol/l [⩽125 mg/dl] for Native Americans) … ER -