NCT01530724

Brief Summary

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.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
224

participants targeted

Target at P25-P50 for phase_3 obesity

Timeline
Completed

Started Oct 2012

Shorter than P25 for phase_3 obesity

Geographic Reach
1 country

1 active site

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

First Submitted

Initial submission to the registry

February 8, 2012

Completed
2 days until next milestone

First Posted

Study publicly available on registry

February 10, 2012

Completed
8 months until next milestone

Study Start

First participant enrolled

October 1, 2012

Completed
1.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2014

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2014

Completed
Last Updated

October 23, 2020

Status Verified

October 1, 2020

Enrollment Period

1.5 years

First QC Date

February 8, 2012

Last Update Submit

October 21, 2020

Conditions

Obesity

Keywords

abdominal obesity

Outcome Measures

Primary Outcomes (3)

  • body fat composition

    changes in body fat (MRI)

    0, 6,18 months

  • obesity

    changes in weight

    0, 6, 18 months

  • abdominal obesity

    changes in waist circumference

    0, 6, 18 months

Secondary Outcomes (10)

  • Lipid profile

    0, 6, 18 months

  • Glycemic control

    0, 6, 18 months

  • Glycemic control

    0, 6, 18 months

  • Inflammatory state

    0, 6, 18 months

  • Metabolomic

    0, 6, 18 months

  • +5 more secondary outcomes

Study Arms (2)

low fat diet

EXPERIMENTAL

Weight-loss diet strategy

Other: Weight-loss diet strategy (+) exercise (PA)Other: weight loss (-) exercise (PA)

low carb diet

EXPERIMENTAL

Weight-loss diet strategy

Other: Weight-loss diet strategy (+) exercise (PA)Other: weight loss (-) exercise (PA)

Interventions

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

low carb dietlow fat diet
weight loss (-) exercise (PA)OTHER

Weight-loss diet strategy without exercise

low carb dietlow fat diet

Eligibility Criteria

Age18 Years - 70 Years
Sexmale
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • 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

You may not qualify if:

  • 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

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

nuclear research center Negev

Dimona, Israel

Location

Related Publications (16)

  • 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.

    PMID: 18635428BACKGROUND

  • Klein H, Pachter D, Goldberg Toren DT, Kamer O, Alufer L, Ebstein Karamani N, Chassidim Y, Shelef I, Rudich A, Yoel U, Ben-Arie G, Zelicha H, Yaskolka Meir A, Tsaban G, Bartal C, Bluher M, Stumvoll M, Ceglarek U, Isermann B, Qi L, Stampfer MJ, Hu FB, Shai I. How effective is rejoining a long-term weight loss program? The 5- and 10-year MRI-assessed Follow Interventions Trial (FIT) project. BMC Med. 2026 Jan 30. doi: 10.1186/s12916-026-04663-9. Online ahead of print.

    PMID: 41612310DERIVED

  • 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 Nov 11;32(16):1660-1670. doi: 10.1093/eurjpc/zwaf308.

    PMID: 40472282DERIVED

  • 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.

    PMID: 39901232DERIVED

  • 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.

    PMID: 35657082DERIVED

  • 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.

    PMID: 35348584DERIVED

  • 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.

    PMID: 34836081DERIVED

  • 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.

    PMID: 33938135DERIVED

  • 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.

    PMID: 33663610DERIVED

  • 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.

    PMID: 33634382DERIVED

  • 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.

    PMID: 31075323DERIVED

  • 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.

    PMID: 29576369DERIVED

  • 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.

    PMID: 29190720DERIVED

  • 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.

    PMID: 29142011DERIVED

  • 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.

    PMID: 28814394DERIVED

  • 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.

    PMID: 28501343DERIVED

MeSH Terms

Conditions

ObesityObesity, Abdominal

Interventions

Exercise

Condition Hierarchy (Ancestors)

OverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

Motor ActivityMovementMusculoskeletal Physiological PhenomenaMusculoskeletal and Neural Physiological Phenomena

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
FACTORIAL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Iris Shai, RD PhD

Study Record Dates

First Submitted

February 8, 2012

First Posted

February 10, 2012

Study Start

October 1, 2012

Primary Completion

April 1, 2014

Study Completion

April 1, 2014

Last Updated

October 23, 2020

Record last verified: 2020-10

Locations

IL(1)