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Effect of a vegetable-oil emulsion on body composition; a 12-week study in overweight women on a meal replacement therapy after an initial weight loss: a randomized controlled trial.

Olsson J, Sundberg B, Viberg A, Haenni A - Eur J Nutr (2010)

Bottom Line: The maintenance of an obtained lower weight level is often found to be difficult.Anthropometric data and safety variables were collected at baseline and after 4, 8 and 12 weeks.Body fat mass (BFM) decreased significantly (p < 0.05) in the test group (--1.7%) compared to the control group (--0.8%).

View Article: PubMed Central - PubMed

Affiliation: KPL Good Food Practice AB, Dag Hammarskjölds väg 10 B, 751 83, Uppsala, Sweden. Johan.Olsson@good-food-practice.com

ABSTRACT

Purpose: The maintenance of an obtained lower weight level is often found to be difficult. The aim of this study was to determine weight maintenance after an initial weight loss by consumption of a meal replacement with a vegetable-oil emulsion associated with prolonged satiety.

Methods: After a 6-week weight loss period with very low calorie diet (VLCD), subjects with >5% body weight (BW) loss were randomized to a 12-week weight maintenance follow-up period, comparing a partial meal replacement diet containing a vegetable-oil emulsion (test) or dairy fat (control). Anthropometric data and safety variables were collected at baseline and after 4, 8 and 12 weeks.

Results: A significant weight loss was observed during the 12-week weight maintenance diet in the test and control group, respectively; 1.0 ± 2.1 kg (p < 0.05) versus 1.3 ± 2.1 kg (p < 0.05) with no significant difference between the groups. Body fat mass (BFM) decreased significantly (p < 0.05) in the test group (--1.7%) compared to the control group (--0.8%).

Conclusions: Addition of a vegetable-oil emulsion to a meal replacement weight maintenance program after an initial weight loss using VLCD was associated with decreased BFM by 0.9% without any change in BW between the two groups.

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Overview and disposition of subjects
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Fig1: Overview and disposition of subjects

Mentions: Study group sizes were determined to detect a difference of 1.8 kg between test and control groups; with a power of 80% and a standard deviation (SD) of 2.0 and a type I error of 5%, a sample size of 21 subjects in each group was required, with a total of 42 subjects (Sample power, SPSS, Chicago, Illinois, USA). Drop out rate for the initial weight loss period as well as for the intervention period was set at 30% leading to a total number of 60 subjects to include in the weight reduction period (Fig. 1).Fig. 1


Effect of a vegetable-oil emulsion on body composition; a 12-week study in overweight women on a meal replacement therapy after an initial weight loss: a randomized controlled trial.

Olsson J, Sundberg B, Viberg A, Haenni A - Eur J Nutr (2010)

Overview and disposition of subjects
© Copyright Policy
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC3102198&req=5

Fig1: Overview and disposition of subjects
Mentions: Study group sizes were determined to detect a difference of 1.8 kg between test and control groups; with a power of 80% and a standard deviation (SD) of 2.0 and a type I error of 5%, a sample size of 21 subjects in each group was required, with a total of 42 subjects (Sample power, SPSS, Chicago, Illinois, USA). Drop out rate for the initial weight loss period as well as for the intervention period was set at 30% leading to a total number of 60 subjects to include in the weight reduction period (Fig. 1).Fig. 1

Bottom Line: The maintenance of an obtained lower weight level is often found to be difficult.Anthropometric data and safety variables were collected at baseline and after 4, 8 and 12 weeks.Body fat mass (BFM) decreased significantly (p < 0.05) in the test group (--1.7%) compared to the control group (--0.8%).

View Article: PubMed Central - PubMed

Affiliation: KPL Good Food Practice AB, Dag Hammarskjölds väg 10 B, 751 83, Uppsala, Sweden. Johan.Olsson@good-food-practice.com

ABSTRACT

Purpose: The maintenance of an obtained lower weight level is often found to be difficult. The aim of this study was to determine weight maintenance after an initial weight loss by consumption of a meal replacement with a vegetable-oil emulsion associated with prolonged satiety.

Methods: After a 6-week weight loss period with very low calorie diet (VLCD), subjects with >5% body weight (BW) loss were randomized to a 12-week weight maintenance follow-up period, comparing a partial meal replacement diet containing a vegetable-oil emulsion (test) or dairy fat (control). Anthropometric data and safety variables were collected at baseline and after 4, 8 and 12 weeks.

Results: A significant weight loss was observed during the 12-week weight maintenance diet in the test and control group, respectively; 1.0 ± 2.1 kg (p < 0.05) versus 1.3 ± 2.1 kg (p < 0.05) with no significant difference between the groups. Body fat mass (BFM) decreased significantly (p < 0.05) in the test group (--1.7%) compared to the control group (--0.8%).

Conclusions: Addition of a vegetable-oil emulsion to a meal replacement weight maintenance program after an initial weight loss using VLCD was associated with decreased BFM by 0.9% without any change in BW between the two groups.

Show MeSH