NCT02906072

Brief Summary

The effect of a diet free from animal-sourced nutrients on body composition in weight reduction programs is not well established. In this non-randomised free living interventional case-control study, the investigators will document the effects of a 10-week, low-fat, plant-based diet supplemented with two daily plant-based meal replacements on body composition indices measured with bioimpedance analysis. Control subjects will be exposed to weekly lectures on the rationale and expected benefits of plant-based nutrition. The investigators hypothesise that low-fat plant based diet supplemented with meal replacements eaten ad libitum allows a significant reduction of body fat without the loss of lean tissue.

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
325

participants targeted

Target at P75+ for not_applicable obesity

Timeline
Completed

Started Jan 2011

Longer than P75 for not_applicable obesity

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 1, 2011

Completed
5.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2016

Completed
3 months until next milestone

First Submitted

Initial submission to the registry

September 2, 2016

Completed
17 days until next milestone

First Posted

Study publicly available on registry

September 19, 2016

Completed
12 days until next milestone

Study Completion

Last participant's last visit for all outcomes

October 1, 2016

Completed
Last Updated

May 30, 2017

Status Verified

May 1, 2017

Enrollment Period

5.4 years

First QC Date

September 2, 2016

Last Update Submit

May 26, 2017

Conditions

Keywords

ObesityBody fatPlant-based dietPlant-based meal replacement

Outcome Measures

Primary Outcomes (1)

  • Body fat mass change

    Baseline, 10 weeks

Secondary Outcomes (3)

  • Body weight change

    Baseline, 10 weeks

  • Body weight Follow up

    Median time lag of 17.4 months

  • Lean body mass change

    Baseline, 10 weeks

Study Arms (2)

Low fat plant-based diet

EXPERIMENTAL

Low fat plant-based diet with conventional meals and supplemented with plant-based meal replacements and participants attend the lectures on health effects of a low fat plant-based diet.

Behavioral: Low fat plant-based dietBehavioral: Lectures on health effects of a low fat plant-based diet.

Control group

OTHER

Control participants attend the lectures on health effects of a low fat plant-based diet.

Behavioral: Lectures on health effects of a low fat plant-based diet.

Interventions

Conventional low fat plant-based meals three times daily. Plant-based meal replacements: Herbalife European Free From vanilla two times daily. Portion sizes and intake is unrestricted.

Low fat plant-based diet

Participants attend the lectures on health effects of a low fat plant-based diet.

Control groupLow fat plant-based diet

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Self selected free-living participants older than 18 years of age
  • Non overweight, overweight, obese
  • Sign informed consent for participation in the study

You may not qualify if:

  • Pregnant or lactating women, patients with dietary restrictions from a treating physician and patients with active malignant disease are excluded from the study
  • Already on plant-based (vegan) diet
  • Competitive or top level athletes
  • Subjects who take part in any other interventional dietary program

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (5)

  • Millstein RA. Measuring outcomes in adult weight loss studies that include diet and physical activity: a systematic review. J Nutr Metab. 2014;2014:421423. doi: 10.1155/2014/421423. Epub 2014 Nov 25.

    PMID: 25525513BACKGROUND
  • Li Z, Treyzon L, Chen S, Yan E, Thames G, Carpenter CL. Protein-enriched meal replacements do not adversely affect liver, kidney or bone density: an outpatient randomized controlled trial. Nutr J. 2010 Dec 31;9:72. doi: 10.1186/1475-2891-9-72.

    PMID: 21194471BACKGROUND
  • Davis LM, Coleman C, Kiel J, Rampolla J, Hutchisen T, Ford L, Andersen WS, Hanlon-Mitola A. Efficacy of a meal replacement diet plan compared to a food-based diet plan after a period of weight loss and weight maintenance: a randomized controlled trial. Nutr J. 2010 Mar 11;9:11. doi: 10.1186/1475-2891-9-11.

  • Barnard ND, Levin SM, Yokoyama Y. A systematic review and meta-analysis of changes in body weight in clinical trials of vegetarian diets. J Acad Nutr Diet. 2015 Jun;115(6):954-69. doi: 10.1016/j.jand.2014.11.016. Epub 2015 Jan 22.

  • Jakse B, Pinter S, Jakse B, Bucar Pajek M, Pajek J. Effects of an Ad Libitum Consumed Low-Fat Plant-Based Diet Supplemented with Plant-Based Meal Replacements on Body Composition Indices. Biomed Res Int. 2017;2017:9626390. doi: 10.1155/2017/9626390. Epub 2017 Mar 28.

MeSH Terms

Conditions

ObesityWeight Loss

Condition Hierarchy (Ancestors)

OverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and SymptomsBody Weight Changes

Study Officials

  • Bostjan Jakse, PE teacher

    Barbara Jakse s.p.

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
PE teacher

Study Record Dates

First Submitted

September 2, 2016

First Posted

September 19, 2016

Study Start

January 1, 2011

Primary Completion

June 1, 2016

Study Completion

October 1, 2016

Last Updated

May 30, 2017

Record last verified: 2017-05

Data Sharing

IPD Sharing
Will share

Data will be open to public if demanded by the publication/journal.