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
NA
Total Enrollment
28 participants
Study Classification
INTERVENTIONAL
Study Start Date
2007-03-31
Study Completion Date
2007-07-31
Brief Summary
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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.
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Detailed Description
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The aim of this investigation was to analyze the effects of eight weeks of CLA supplementation associated with aerobic exercise on body fat and lipid profile in obese women. The investigators performed a randomized, double-blinded and placebo-controlled trial with 28 obese women who received 3.2 g/d of CLA or 4 g/d of olive oil (placebo group) while performing an 8-week protocol of aerobic exercise. Dietary intake (food record), body fat (DXA) and biochemical analysis (blood sample) were assessed before and after the intervention period.
Conditions
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Lipid Metabolism Disorders
Obesity
Study Design
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Allocation Method
RANDOMIZED
Intervention Model
PARALLEL
Primary Study Purpose
TREATMENT
Blinding Strategy
DOUBLE
Participants
Investigators
Study Groups
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Aerobic exercise associated with CLA
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%).
Group Type
ACTIVE_COMPARATOR
CLA
Intervention Type
DIETARY_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
Placebo group received 4 g/day of olive oil.
Group Type
PLACEBO_COMPARATOR
Placebo
Intervention Type
BEHAVIORAL
Placebo group received 4 g/day of olive oil. Aerobic exercise
Interventions
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CLA
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
Intervention Type
DIETARY_SUPPLEMENT
Placebo
Placebo group received 4 g/day of olive oil. Aerobic exercise
Intervention Type
BEHAVIORAL
Eligibility Criteria
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Inclusion Criteria
* 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.
* 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.
Exclusion Criteria
* Had frequency to training sessions below 85% of the total sessions
Minimum Eligible Age
18 Years
Maximum Eligible Age
35 Years
Eligible Sex
FEMALE
Accepts Healthy Volunteers
Yes
Sponsors
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Universidade Estadual de Londrina
OTHER
Sponsor Role
lead
Responsible Party
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Edilson Serpeloni Cyrino
Professor
Responsibility Role
PRINCIPAL_INVESTIGATOR
Principal Investigators
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Edilson Cyrino, PhD
Role: STUDY_CHAIR
Universidade Estadual de Londrina
Locations
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Universidade Estadual de Londrina
Londrina, Paraná, Brazil
Site Status
Countries
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Brazil
References
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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.
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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.
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RESULT
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.
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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.
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RESULT
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.
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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.
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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.
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RESULT
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.
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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.
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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.
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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.
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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.
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RESULT
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.
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RESULT
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.
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RESULT
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.
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RESULT
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.
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RESULT
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.
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RESULT
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.
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RESULT
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.
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RESULT
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.
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RESULT
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.
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RESULT
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.
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RESULT
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.
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RESULT
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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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RESULT
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.
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RESULT
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.
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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.
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RESULT
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.
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RESULT
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.
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RESULT
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.
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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.
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RESULT
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.
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RESULT
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.
Reference Type
RESULT
Other Identifiers
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ESCyrino
Identifier Type: -
Identifier Source: org_study_id
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