NCT02529046

Brief Summary

In this trial, the investigators analyzed the effects of eight weeks of CLA supplementation associated with aerobic exercise on body fat and lipid profile in obese women.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
28

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Mar 2007

Shorter than P25 for not_applicable

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

Study Start

First participant enrolled

March 1, 2007

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2007

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2007

Completed
8.1 years until next milestone

First Submitted

Initial submission to the registry

August 4, 2015

Completed
15 days until next milestone

First Posted

Study publicly available on registry

August 19, 2015

Completed
Last Updated

August 19, 2015

Status Verified

August 1, 2015

Enrollment Period

3 months

First QC Date

August 4, 2015

Last Update Submit

August 18, 2015

Conditions

Outcome Measures

Primary Outcomes (1)

  • Body fat

    Dual-energy X-ray absorptiometry

    8 weeks

Secondary Outcomes (7)

  • Total cholesterol

    8 weeks

  • Triglycerides

    8 weeks

  • High-density lipoprotein

    8 weeks

  • Low-density lipoprotein

    8 weeks

  • Trunk fat

    8 weeks

  • +2 more secondary outcomes

Other Outcomes (2)

  • Body mass

    8 weeks

  • Maximum oxygen uptake

    8 weeks

Study Arms (2)

Aerobic exercise associated with CLA

ACTIVE COMPARATOR

CLA group received supplementation at a dose of 3.2 g/day (mixture of isomers of CLA isomers predominantly c9, t11 - 50% and c12, t10 - 80%).

Dietary Supplement: CLA

Aerobic exercise

PLACEBO COMPARATOR

Placebo group received 4 g/day of olive oil.

Behavioral: Placebo

Interventions

CLADIETARY_SUPPLEMENT

CLA group received supplementation at a dose of 3.2 g/day (mixture of isomers of CLA isomers predominantly c9, t11 - 50% and c12, t10 - 80%). Aerobic exercise associated with CLA

Aerobic exercise associated with CLA
PlaceboBEHAVIORAL

Placebo group received 4 g/day of olive oil. Aerobic exercise

Aerobic exercise

Eligibility Criteria

Age18 Years - 35 Years
Sexfemale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Had no signs or symptoms of disease
  • No orthopedic injuries
  • Must be inactive or moderately active (defined as performing any type of physical exercise less than twice a week)
  • Must be non-smokers
  • Must be free from the use of ergogenic aids
  • Had no metabolic disorders or chronic degenerative diseases
  • Not use drug therapy for body mass loss.

You may not qualify if:

  • Had frequency to training sessions below 85% of the total sessions

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Universidade Estadual de Londrina

Londrina, ParanĂ¡, 86.057-970, Brazil

Location

Related Publications (41)

  • Adams RE, Hsueh A, Alford B, King C, Mo H, Wildman R. Conjugated linoleic Acid supplementation does not reduce visceral adipose tissue in middle-aged men engaged in a resistance-training program. J Int Soc Sports Nutr. 2006 Dec 13;3(2):28-36. doi: 10.1186/1550-2783-3-2-28.

  • Alkerwi A, Vernier C, Crichton GE, Sauvageot N, Shivappa N, Hebert JR. Cross-comparison of diet quality indices for predicting chronic disease risk: findings from the Observation of Cardiovascular Risk Factors in Luxembourg (ORISCAV-LUX) study. Br J Nutr. 2015 Jan 28;113(2):259-69. doi: 10.1017/S0007114514003456. Epub 2014 Dec 5.

  • Banu J, Bhattacharya A, Rahman M, O'Shea M, Fernandes G. Effects of conjugated linoleic acid and exercise on bone mass in young male Balb/C mice. Lipids Health Dis. 2006 Mar 23;5:7. doi: 10.1186/1476-511X-5-7.

  • Bhattacharya A, Banu J, Rahman M, Causey J, Fernandes G. Biological effects of conjugated linoleic acids in health and disease. J Nutr Biochem. 2006 Dec;17(12):789-810. doi: 10.1016/j.jnutbio.2006.02.009. Epub 2006 May 2.

  • Blankson H, Stakkestad JA, Fagertun H, Thom E, Wadstein J, Gudmundsen O. Conjugated linoleic acid reduces body fat mass in overweight and obese humans. J Nutr. 2000 Dec;130(12):2943-8. doi: 10.1093/jn/130.12.2943.

  • Carvalho RF, Uehara SK, Rosa G. Microencapsulated conjugated linoleic acid associated with hypocaloric diet reduces body fat in sedentary women with metabolic syndrome. Vasc Health Risk Manag. 2012;8:661-7. doi: 10.2147/VHRM.S37385. Epub 2012 Dec 13.

  • Colakoglu S, Colakoglu M, Taneli F, Cetinoz F, Turkmen M. Cumulative effects of conjugated linoleic acid and exercise on endurance development, body composition, serum leptin and insulin levels. J Sports Med Phys Fitness. 2006 Dec;46(4):570-7.

  • de Deckere EA, van Amelsvoort JM, McNeill GP, Jones P. Effects of conjugated linoleic acid (CLA) isomers on lipid levels and peroxisome proliferation in the hamster. Br J Nutr. 1999 Oct;82(4):309-17.

  • Di Felice V, Macaluso F, Montalbano A, Gammazza AM, Palumbo D, Angelone T, Bellafiore M, Farina F. Effects of conjugated linoleic acid and endurance training on peripheral blood and bone marrow of trained mice. J Strength Cond Res. 2007 Feb;21(1):193-8. doi: 10.1519/00124278-200702000-00035.

  • Diaz ML, Watkins BA, Li Y, Anderson RA, Campbell WW. Chromium picolinate and conjugated linoleic acid do not synergistically influence diet- and exercise-induced changes in body composition and health indexes in overweight women. J Nutr Biochem. 2008 Jan;19(1):61-8. doi: 10.1016/j.jnutbio.2007.01.006. Epub 2007 May 24.

  • Dilzer A, Park Y. Implication of conjugated linoleic acid (CLA) in human health. Crit Rev Food Sci Nutr. 2012;52(6):488-513. doi: 10.1080/10408398.2010.501409.

  • Eftekhari MH, Aliasghari F, Beigi MA, Hasanzadeh J. The effect of conjugated linoleic acids and omega-3 fatty acids supplementation on lipid profile in atherosclerosis. Adv Biomed Res. 2014 Jan 9;3:15. doi: 10.4103/2277-9175.124644. eCollection 2014.

  • Friedewald WT, Levy RI, Fredrickson DS. Estimation of the concentration of low-density lipoprotein cholesterol in plasma, without use of the preparative ultracentrifuge. Clin Chem. 1972 Jun;18(6):499-502. No abstract available.

  • Garber CE, Blissmer B, Deschenes MR, Franklin BA, Lamonte MJ, Lee IM, Nieman DC, Swain DP; American College of Sports Medicine. American College of Sports Medicine position stand. Quantity and quality of exercise for developing and maintaining cardiorespiratory, musculoskeletal, and neuromotor fitness in apparently healthy adults: guidance for prescribing exercise. Med Sci Sports Exerc. 2011 Jul;43(7):1334-59. doi: 10.1249/MSS.0b013e318213fefb.

  • Gaullier JM, Halse J, Hoivik HO, Hoye K, Syvertsen C, Nurminiemi M, Hassfeld C, Einerhand A, O'Shea M, Gudmundsen O. Six months supplementation with conjugated linoleic acid induces regional-specific fat mass decreases in overweight and obese. Br J Nutr. 2007 Mar;97(3):550-60. doi: 10.1017/S0007114507381324.

  • Hill AM, LaForgia J, Coates AM, Buckley JD, Howe PR. Estimating abdominal adipose tissue with DXA and anthropometry. Obesity (Silver Spring). 2007 Feb;15(2):504-10. doi: 10.1038/oby.2007.629.

  • Jenkins ND, Buckner SL, Cochrane KC, Bergstrom HC, Goldsmith JA, Weir JP, Housh TJ, Cramer JT. CLA supplementation and aerobic exercise lower blood triacylglycerol, but have no effect on peak oxygen uptake or cardiorespiratory fatigue thresholds. Lipids. 2014 Sep;49(9):871-80. doi: 10.1007/s11745-014-3929-0. Epub 2014 Jul 18.

  • Kennedy A, Martinez K, Schmidt S, Mandrup S, LaPoint K, McIntosh M. Antiobesity mechanisms of action of conjugated linoleic acid. J Nutr Biochem. 2010 Mar;21(3):171-9. doi: 10.1016/j.jnutbio.2009.08.003. Epub 2009 Dec 1.

  • Lambert EV, Goedecke JH, Bluett K, Heggie K, Claassen A, Rae DE, West S, Dugas J, Dugas L, Meltzeri S, Charlton K, Mohede I. Conjugated linoleic acid versus high-oleic acid sunflower oil: effects on energy metabolism, glucose tolerance, blood lipids, appetite and body composition in regularly exercising individuals. Br J Nutr. 2007 May;97(5):1001-11. doi: 10.1017/S0007114507172822.

  • Larsen TM, Toubro S, Astrup A. Efficacy and safety of dietary supplements containing CLA for the treatment of obesity: evidence from animal and human studies. J Lipid Res. 2003 Dec;44(12):2234-41. doi: 10.1194/jlr.R300011-JLR200. Epub 2003 Aug 16.

  • Mertz W, Tsui JC, Judd JT, Reiser S, Hallfrisch J, Morris ER, Steele PD, Lashley E. What are people really eating? The relation between energy intake derived from estimated diet records and intake determined to maintain body weight. Am J Clin Nutr. 1991 Aug;54(2):291-5. doi: 10.1093/ajcn/54.2.291.

  • Mitchell PL, Karakach TK, Currie DL, McLeod RS. t-10, c-12 CLA dietary supplementation inhibits atherosclerotic lesion development despite adverse cardiovascular and hepatic metabolic marker profiles. PLoS One. 2012;7(12):e52634. doi: 10.1371/journal.pone.0052634. Epub 2012 Dec 20.

  • Moon HS. Biological effects of conjugated linoleic acid on obesity-related cancers. Chem Biol Interact. 2014 Dec 5;224:189-95. doi: 10.1016/j.cbi.2014.11.006. Epub 2014 Nov 18.

  • Mougios V, Matsakas A, Petridou A, Ring S, Sagredos A, Melissopoulou A, Tsigilis N, Nikolaidis M. Effect of supplementation with conjugated linoleic acid on human serum lipids and body fat. J Nutr Biochem. 2001 Oct;12(10):585-594. doi: 10.1016/s0955-2863(01)00177-2.

  • Onakpoya IJ, Posadzki PP, Watson LK, Davies LA, Ernst E. The efficacy of long-term conjugated linoleic acid (CLA) supplementation on body composition in overweight and obese individuals: a systematic review and meta-analysis of randomized clinical trials. Eur J Nutr. 2012 Mar;51(2):127-34. doi: 10.1007/s00394-011-0253-9. Epub 2011 Oct 12.

  • Pariza MW, Park Y, Cook ME. Mechanisms of action of conjugated linoleic acid: evidence and speculation. Proc Soc Exp Biol Med. 2000 Jan;223(1):8-13. doi: 10.1046/j.1525-1373.2000.22302.x.

  • Pariza MW, Park Y, Cook ME. The biologically active isomers of conjugated linoleic acid. Prog Lipid Res. 2001 Jul;40(4):283-98. doi: 10.1016/s0163-7827(01)00008-x.

  • Pinkoski C, Chilibeck PD, Candow DG, Esliger D, Ewaschuk JB, Facci M, Farthing JP, Zello GA. The effects of conjugated linoleic acid supplementation during resistance training. Med Sci Sports Exerc. 2006 Feb;38(2):339-48. doi: 10.1249/01.mss.0000183860.42853.15.

  • Poirier P, Despres JP. Exercise in weight management of obesity. Cardiol Clin. 2001 Aug;19(3):459-70. doi: 10.1016/s0733-8651(05)70229-0.

  • Qi R, Yang F, Huang J, Peng H, Liu Y, Liu Z. Supplementation with conjugated linoeic acid decreases pig back fat deposition by inducing adipocyte apoptosis. BMC Vet Res. 2014 Jun 26;10:141. doi: 10.1186/1746-6148-10-141.

  • Riserus U, Arner P, Brismar K, Vessby B. Treatment with dietary trans10cis12 conjugated linoleic acid causes isomer-specific insulin resistance in obese men with the metabolic syndrome. Diabetes Care. 2002 Sep;25(9):1516-21. doi: 10.2337/diacare.25.9.1516.

  • Riserus U, Berglund L, Vessby B. Conjugated linoleic acid (CLA) reduced abdominal adipose tissue in obese middle-aged men with signs of the metabolic syndrome: a randomised controlled trial. Int J Obes Relat Metab Disord. 2001 Aug;25(8):1129-35. doi: 10.1038/sj.ijo.0801659.

  • Ritzenthaler KL, Shahin AM, Shultz TD, Dasgupta N, McGuire MA, McGuire MK. Dietary intake of c9,t11-conjugated linoleic acid correlates with its concentration in plasma lipid fractions of men but not women. J Nutr. 2012 Sep;142(9):1645-51. doi: 10.3945/jn.111.156794. Epub 2012 Jul 25.

  • Salas-Salvado J, Marquez-Sandoval F, Bullo M. Conjugated linoleic acid intake in humans: a systematic review focusing on its effect on body composition, glucose, and lipid metabolism. Crit Rev Food Sci Nutr. 2006;46(6):479-88. doi: 10.1080/10408390600723953.

  • Sluijs I, Plantinga Y, de Roos B, Mennen LI, Bots ML. Dietary supplementation with cis-9,trans-11 conjugated linoleic acid and aortic stiffness in overweight and obese adults. Am J Clin Nutr. 2010 Jan;91(1):175-83. doi: 10.3945/ajcn.2009.28192. Epub 2009 Nov 18.

  • Steck SE, Chalecki AM, Miller P, Conway J, Austin GL, Hardin JW, Albright CD, Thuillier P. Conjugated linoleic acid supplementation for twelve weeks increases lean body mass in obese humans. J Nutr. 2007 May;137(5):1188-93. doi: 10.1093/jn/137.5.1188.

  • Tarnopolsky M, Zimmer A, Paikin J, Safdar A, Aboud A, Pearce E, Roy B, Doherty T. Creatine monohydrate and conjugated linoleic acid improve strength and body composition following resistance exercise in older adults. PLoS One. 2007 Oct 3;2(10):e991. doi: 10.1371/journal.pone.0000991.

  • Thom E, Wadstein J, Gudmundsen O. Conjugated linoleic acid reduces body fat in healthy exercising humans. J Int Med Res. 2001 Sep-Oct;29(5):392-6. doi: 10.1177/147323000102900503.

  • Tsuboyama-Kasaoka N, Takahashi M, Tanemura K, Kim HJ, Tange T, Okuyama H, Kasai M, Ikemoto S, Ezaki O. Conjugated linoleic acid supplementation reduces adipose tissue by apoptosis and develops lipodystrophy in mice. Diabetes. 2000 Sep;49(9):1534-42. doi: 10.2337/diabetes.49.9.1534.

  • Wanders AJ, Brouwer IA, Siebelink E, Katan MB. Effect of a high intake of conjugated linoleic acid on lipoprotein levels in healthy human subjects. PLoS One. 2010 Feb 3;5(2):e9000. doi: 10.1371/journal.pone.0009000.

  • Zambell KL, Horn WF, Keim NL. Conjugated linoleic acid supplementation in humans: effects on fatty acid and glycerol kinetics. Lipids. 2001 Aug;36(8):767-72. doi: 10.1007/s11745-001-0783-8.

MeSH Terms

Conditions

Lipid Metabolism DisordersObesity

Condition Hierarchy (Ancestors)

Metabolic DiseasesNutritional and Metabolic DiseasesOverweightOvernutritionNutrition DisordersBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

  • Edilson Cyrino, PhD

    Universidade Estadual de Londrina

    STUDY CHAIR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

August 4, 2015

First Posted

August 19, 2015

Study Start

March 1, 2007

Primary Completion

June 1, 2007

Study Completion

July 1, 2007

Last Updated

August 19, 2015

Record last verified: 2015-08

Locations