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- Title
Intermittent versus on-demand use of a very low calorie diet: a randomized 2-year clinical trial.
- Authors
Lantz, H.; Peltonen, M.; Ågren, L.; Torgerson, J. S.; Agren, L
- Abstract
<bold>Objectives: </bold>To compare two different very low calorie diet (VLCD)-based weight maintenance strategies.<bold>Design and Setting: </bold>A randomized 2-year clinical trial performed at the Department of Body Composition and Metabolism, Sahlgrenska University Hospital, Sweden.<bold>Subjects: </bold>A total of 334 patients, body mass index (BMI) >30 kg m-2, aged 18-60 years.<bold>Interventions: </bold>All the patients started with 16 VLCD weeks. Subjects in the intermittent group were then scheduled to use VLCD for 2 weeks every third month, whilst patients in the on-demand group were instructed to use VLCD whenever their body weight passed an individualized cut-off level. Irrespective of the treatment group, all the subjects were recommended a hypocaloric diet during VLCD-free periods.<bold>Main Outcome Measures: </bold>Changes in body weight, body composition, anthropometric variables and cardiovascular risk factors.<bold>Results: </bold>Completers in both groups maintained highly significant weight losses after 2 years: 7.0 +/- 11.0 kg (6.2 +/- 9.5%) in the intermittent group and 9.1 +/- 9.7 kg (7.7 +/- 8.1%) in the on-demand group (P < 0.001, ns between groups). Male completers in the on-demand group lost significantly more weight than men in the intermittent group, 14.5 +/- 11.0 kg vs. 4.0 +/- 10.5 kg, respectively (P < 0.01). Most cardiovascular risk factors improved during the first year, whilst anthropometric measures, insulin, HDL- and LDL-cholesterol were also significantly improved after 2 years of treatment.<bold>Conclusion: </bold>Clinically significant weight reductions were achieved after 2 years of VLCD-based treatment. The structure of VLCD treatment during the maintenance phase did not affect weight loss in the total study population, whilst male subjects might benefit from the VLCD on-demand strategy.
- Subjects
CARDIOVASCULAR diseases risk factors; OBESITY; LOW-calorie diet; HUMAN body composition
- Publication
Journal of Internal Medicine, 2003, Vol 253, Issue 4, p463
- ISSN
0954-6820
- Publication type
journal article
- DOI
10.1046/j.1365-2796.2003.01131.x