Diet and Body Composition

NCT ID: NCT01530724

Last Updated: 2020-10-23

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

224 participants

Study Classification

INTERVENTIONAL

Study Start Date

2012-10-31

Study Completion Date

2014-04-30

Brief Summary

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The investigators hypothesize that differential dynamics in fat depots in response to two opposing dietary strategies mediate the beneficial metabolic effects during weight loss and regain phases.

Detailed Description

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Conditions

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Obesity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

FACTORIAL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Caregivers Investigators Outcome Assessors

Study Groups

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low fat diet

Weight-loss diet strategy

Group Type EXPERIMENTAL

Weight-loss diet strategy (+) exercise (PA)

Intervention Type OTHER

Weight-loss diet strategy with a free gym membership; monthly 60-minute educational workshops; 3 sessions of workout per week of mostly aerobic training

weight loss (-) exercise (PA)

Intervention Type OTHER

Weight-loss diet strategy without exercise

low carb diet

Weight-loss diet strategy

Group Type EXPERIMENTAL

Weight-loss diet strategy (+) exercise (PA)

Intervention Type OTHER

Weight-loss diet strategy with a free gym membership; monthly 60-minute educational workshops; 3 sessions of workout per week of mostly aerobic training

weight loss (-) exercise (PA)

Intervention Type OTHER

Weight-loss diet strategy without exercise

Interventions

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Weight-loss diet strategy (+) exercise (PA)

Weight-loss diet strategy with a free gym membership; monthly 60-minute educational workshops; 3 sessions of workout per week of mostly aerobic training

Intervention Type OTHER

weight loss (-) exercise (PA)

Weight-loss diet strategy without exercise

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Elevated waist circumference:

* Men: \> 40 inches (102 cm)
* Women\> 35 inches (88 cm)
* Poor dieters with TG\>150mg/dL and high-density-lipoprotein cholesterol \[HDL-c\] \<40 mg/dL for men and \<50 mg/dL for women

Exclusion Criteria

* Pregnant or lactating women
* Serum creatinine LT 2 mg/dl
* Disturbed liver function (LT 3 fold level of ALT and AST enzymes)
* Active cancer
* Individuals who cannot start physical activity in the gym
* Individuals that are highly physically active (more than 4 hours/week)
* Active in other nutritional trial
Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes

Sponsors

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Ben-Gurion University of the Negev

OTHER

Sponsor Role lead

Responsible Party

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Iris Shai

Iris Shai, RD PhD

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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nuclear research center Negev

Dimona, , Israel

Site Status

Countries

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Israel

References

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Shai I, Schwarzfuchs D, Henkin Y, Shahar DR, Witkow S, Greenberg I, Golan R, Fraser D, Bolotin A, Vardi H, Tangi-Rozental O, Zuk-Ramot R, Sarusi B, Brickner D, Schwartz Z, Sheiner E, Marko R, Katorza E, Thiery J, Fiedler GM, Bluher M, Stumvoll M, Stampfer MJ; Dietary Intervention Randomized Controlled Trial (DIRECT) Group. Weight loss with a low-carbohydrate, Mediterranean, or low-fat diet. N Engl J Med. 2008 Jul 17;359(3):229-41. doi: 10.1056/NEJMoa0708681.

Reference Type BACKGROUND
PMID: 18635428 (View on PubMed)

Yaskolka Meir A, Tsaban G, Rinott E, Zelicha H, Schwarzfuchs D, Gepner Y, Rudich A, Shelef I, Bluher M, Stumvoll M, Ceglarek U, Isermann B, Kloting N, Keller M, Kovacs P, Qi L, Wang DD, Liang L, Hu FB, Stampfer MJ, Shai I. Individual response to lifestyle interventions: a pooled analysis of three long-term weight loss trials. Eur J Prev Cardiol. 2025 Jun 5:zwaf308. doi: 10.1093/eurjpc/zwaf308. Online ahead of print.

Reference Type DERIVED
PMID: 40472282 (View on PubMed)

Klein H, Zelicha H, Yaskolka Meir A, Rinott E, Tsaban G, Kaplan A, Chassidim Y, Gepner Y, Bluher M, Ceglarek U, Isermann B, Stumvoll M, Shelef I, Qi L, Li J, Hu FB, Stampfer MJ, Shai I. Visceral adipose tissue area and proportion provide distinct reflections of cardiometabolic outcomes in weight loss; pooled analysis of MRI-assessed CENTRAL and DIRECT PLUS dietary randomized controlled trials. BMC Med. 2025 Feb 4;23(1):57. doi: 10.1186/s12916-025-03891-9.

Reference Type DERIVED
PMID: 39901232 (View on PubMed)

Heianza Y, Krohn K, Yaskolka Meir A, Wang X, Ziesche S, Ceglarek U, Bluher M, Keller M, Kovacs P, Shai I, Qi L. Changes in Circulating miR-375-3p and Improvements in Visceral and Hepatic Fat Contents in Response to Lifestyle Interventions: The CENTRAL Trial. Diabetes Care. 2022 Aug 1;45(8):1911-1913. doi: 10.2337/dc21-2517.

Reference Type DERIVED
PMID: 35657082 (View on PubMed)

Heianza Y, Krohn K, Xue Q, Yaskolka Meir A, Ziesche S, Ceglarek U, Bluher M, Keller M, Kovacs P, Shai I, Qi L. Changes in circulating microRNAs-99/100 and reductions of visceral and ectopic fat depots in response to lifestyle interventions: the CENTRAL trial. Am J Clin Nutr. 2022 Jul 6;116(1):165-172. doi: 10.1093/ajcn/nqac070.

Reference Type DERIVED
PMID: 35348584 (View on PubMed)

Tsaban G, Bilitzky-Kopit A, Yaskolka Meir A, Zelicha H, Gepner Y, Shelef I, Orr O, Chassidim Y, Sarusi B, Ceglarek U, Stumvoll M, Bluher M, Stampfer MJ, Shai I, Schwarzfuchs D. The Effect of Weight-Loss Interventions on Cervical and Chin Subcutaneous Fat Depots; the CENTRAL Randomized Controlled Trial. Nutrients. 2021 Oct 27;13(11):3827. doi: 10.3390/nu13113827.

Reference Type DERIVED
PMID: 34836081 (View on PubMed)

Yaskolka Meir A, Keller M, Muller L, Bernhart SH, Tsaban G, Zelicha H, Rinott E, Kaplan A, Gepner Y, Shelef I, Schwarzfuchs D, Ceglarek U, Stadler P, Bluher M, Stumvoll M, Kovacs P, Shai I. Effects of lifestyle interventions on epigenetic signatures of liver fat: Central randomized controlled trial. Liver Int. 2021 Sep;41(9):2101-2111. doi: 10.1111/liv.14916. Epub 2021 May 28.

Reference Type DERIVED
PMID: 33938135 (View on PubMed)

Yaskolka Meir A, Keller M, Bernhart SH, Rinott E, Tsaban G, Zelicha H, Kaplan A, Schwarzfuchs D, Shelef I, Gepner Y, Li J, Lin Y, Bluher M, Ceglarek U, Stumvoll M, Stadler PF, Stampfer MJ, Kovacs P, Liang L, Shai I. Lifestyle weight-loss intervention may attenuate methylation aging: the CENTRAL MRI randomized controlled trial. Clin Epigenetics. 2021 Mar 4;13(1):48. doi: 10.1186/s13148-021-01038-0.

Reference Type DERIVED
PMID: 33663610 (View on PubMed)

Gepner Y, Goldstein N, Shelef I, Schwarzfuchs D, Zelicha H, Meir AY, Tsaban G, Grossman E. Dissociation Between Long-term Weight Loss Intervention and Blood Pressure: an 18-month Randomized Controlled Trial. J Gen Intern Med. 2021 Aug;36(8):2300-2306. doi: 10.1007/s11606-021-06655-2. Epub 2021 Feb 25.

Reference Type DERIVED
PMID: 33634382 (View on PubMed)

Gepner Y, Shelef I, Komy O, Cohen N, Schwarzfuchs D, Bril N, Rein M, Serfaty D, Kenigsbuch S, Zelicha H, Yaskolka Meir A, Tene L, Bilitzky A, Tsaban G, Chassidim Y, Sarusy B, Ceglarek U, Thiery J, Stumvoll M, Bluher M, Stampfer MJ, Rudich A, Shai I. The beneficial effects of Mediterranean diet over low-fat diet may be mediated by decreasing hepatic fat content. J Hepatol. 2019 Aug;71(2):379-388. doi: 10.1016/j.jhep.2019.04.013. Epub 2019 May 8.

Reference Type DERIVED
PMID: 31075323 (View on PubMed)

Tene L, Shelef I, Schwarzfuchs D, Gepner Y, Yaskolka Meir A, Tsaban G, Zelicha H, Bilitzky A, Komy O, Cohen N, Bril N, Rein M, Serfaty D, Kenigsbuch S, Chassidim Y, Sarusy B, Ceglarek U, Stumvoll M, Bluher M, Thiery J, Stampfer MJ, Rudich A, Shai I. The effect of long-term weight-loss intervention strategies on the dynamics of pancreatic-fat and morphology: An MRI RCT study. Clin Nutr ESPEN. 2018 Apr;24:82-89. doi: 10.1016/j.clnesp.2018.01.008. Epub 2018 Feb 6.

Reference Type DERIVED
PMID: 29576369 (View on PubMed)

Gepner Y, Shelef I, Schwarzfuchs D, Cohen N, Bril N, Rein M, Tsaban G, Zelicha H, Yaskolka Meir A, Tene L, Sarusy B, Rosen P, Hoffman JR, Stout JR, Thiery J, Ceglarek U, Stumvoll M, Bluher M, Stampfer MJ, Shai I. Intramyocellular triacylglycerol accumulation across weight loss strategies; Sub-study of the CENTRAL trial. PLoS One. 2017 Nov 30;12(11):e0188431. doi: 10.1371/journal.pone.0188431. eCollection 2017.

Reference Type DERIVED
PMID: 29190720 (View on PubMed)

Gepner Y, Shelef I, Schwarzfuchs D, Zelicha H, Tene L, Yaskolka Meir A, Tsaban G, Cohen N, Bril N, Rein M, Serfaty D, Kenigsbuch S, Komy O, Wolak A, Chassidim Y, Golan R, Avni-Hassid H, Bilitzky A, Sarusi B, Goshen E, Shemesh E, Henkin Y, Stumvoll M, Bluher M, Thiery J, Ceglarek U, Rudich A, Stampfer MJ, Shai I. Effect of Distinct Lifestyle Interventions on Mobilization of Fat Storage Pools: CENTRAL Magnetic Resonance Imaging Randomized Controlled Trial. Circulation. 2018 Mar 13;137(11):1143-1157. doi: 10.1161/CIRCULATIONAHA.117.030501. Epub 2017 Nov 15.

Reference Type DERIVED
PMID: 29142011 (View on PubMed)

Tsaban G, Wolak A, Avni-Hassid H, Gepner Y, Shelef I, Henkin Y, Schwarzfuchs D, Cohen N, Bril N, Rein M, Serfaty D, Kenigsbuch S, Tene L, Zelicha H, Yaskolka-Meir A, Komy O, Bilitzky A, Chassidim Y, Ceglarek U, Stumvoll M, Bluher M, Thiery J, Dicker D, Rudich A, Stampfer MJ, Shai I. Dynamics of intrapericardial and extrapericardial fat tissues during long-term, dietary-induced, moderate weight loss. Am J Clin Nutr. 2017 Oct;106(4):984-995. doi: 10.3945/ajcn.117.157115. Epub 2017 Aug 16.

Reference Type DERIVED
PMID: 28814394 (View on PubMed)

Zelicha H, Schwarzfuchs D, Shelef I, Gepner Y, Tsaban G, Tene L, Yaskolka Meir A, Bilitzky A, Komy O, Cohen N, Bril N, Rein M, Serfaty D, Kenigsbuch S, Chassidim Y, Sarusi B, Thiery J, Ceglarek U, Stumvoll M, Bluher M, Haviv YS, Stampfer MJ, Rudich A, Shai I. Changes of renal sinus fat and renal parenchymal fat during an 18-month randomized weight loss trial. Clin Nutr. 2018 Aug;37(4):1145-1153. doi: 10.1016/j.clnu.2017.04.007. Epub 2017 May 2.

Reference Type DERIVED
PMID: 28501343 (View on PubMed)

Other Identifiers

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256/09

Identifier Type: OTHER_GRANT

Identifier Source: secondary_id

ISF256/09

Identifier Type: -

Identifier Source: org_study_id

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