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临床试验/ISRCTN85485463
ISRCTN85485463已完成不适用

A randomised controlled trial to investigate the effectiveness of two commonly-used lifestyle-based weight-loss programmes across three countries

Medical Research Council Human Nutrition Research (UK)0 个研究点目标入组 804 人开始时间: 2007年8月8日最近更新:
适应症

试验速览

阶段
不适用
状态
已完成
发起方
入组人数
804

研究概览

研究设计

研究类型
Interventional

入排标准

性别
All

入选标准

  • Men and women who are overweight and with evidence of some increased risk of obesity-related disease will be eligible for the trial. Participants will be male and female adults aged 18+ years, with a body mass index of 27 - 35 kg/m^2 and one or more of the following risk factors:
  • 1. Family history of diabetes mellitus
  • 2. Controlled type 2 diabetes mellitus not treated with insulin*
  • 3. Previous gestational diabetes mellitus
  • 4. Impaired glucose tolerance/impaired fasting glycaemia
  • 5. Mild-moderate dyslipidaemia, or treatment for dyslipidaemia
  • 6. Treatment for hypertension
  • 7. Central adiposity (waist circumference greater than 88 cm in women or greater than 102 cm in men)
  • 8. Polycystic ovary syndrome/infertility without apparent cause other than weight
  • 9. Lower limb osteoarthritis
  • 10. Abdominal hernia
  • * Patients with type 2 diabetes treated with sulphonylureas will be eligible for inclusion but GPs will be advised to instruct them to closely monitor their glucose levels due to the additional risk of hypoglycaemia during weight loss, and to regularly review their medication. The number of people with diabetes recruited to the study will be limited to a maximum of 50% of the total sample.

排除标准

  • Factors which may affect weight:
  • 1. Recent weight loss of greater than 5 kg in the previous 3 months
  • 2. History of clinically-diagnosed eating disorder
  • 3. Orthopaedic limitations preventing participation in regular physical activity
  • 4. Untreated thyroid disease or greater than one change in thyroid medication over previous 6 months
  • 5. Taking any prescription medication with known effects on appetite or weight (according to National Medicines Formulary)
  • 6. Taking oral steroids
  • 7. Chronic/inflammatory gastrointestinal disorders (irritable bowel syndrome acceptable)
  • 8. Previous surgical procedure for weight loss
  • 9. Major surgery within previous 3 months
  • 10. Pregnancy or lactation
  • Co-exisiting disease:
  • 11. Insulin-treated diabetes mellitus
  • 12. HbA1c greater than 9.0%
  • 13. Diagnosis of type 2 diabetes within previous 6 months
  • 14. Heart problems within previous 3 months (e.g. angina, myocardial infarction, stroke) or implanted cardiac defibrillator or pacemaker
  • 15. Uncontrolled hypertension (greater than 160/95 mmHg)
  • 16. Having started taking a new prescription medication within 3 months
  • 17. Change in dosage of a prescription medication within 1 month
  • 18. History or presence of cancer (completely resected basal or squamous cell carcinoma acceptable if treatment completed more than 6 months prior to enrolment)
  • Participants will also be excluded if they have participated in another clinical trial within 30 days prior to enrolment.
  • Participants must be willing to be involved in a lifestyle-based weight-loss programme for a 12-month period, and able to attend weekly meetings (free of charge) for the duration if required.

研究者

发起方
Medical Research Council Human Nutrition Research (UK)

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