- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT03119350
Mitochondrial Energy Metabolism in Obese Women
Mitochondrial Energy Metabolism in Obese Women Undergoing Concurrent Physical Training
Considering that the failure of the treatment of obesity is justified by the multifactorial pathophysiology of this morbidity, the present project has the following hypotheses:
- The occurrence of obesity is due to the derange,ent of mitochondrial energy metabolism ;
- The unbalance is therapeutically modified through physical training ;
- Obesity courses with the break-down in energy metabolism mitochondrial disease associated with systemic inflammatory characteristics that can be corrected through a combined long-term physical training program.
This study have as objective : to analyse changes in mitochondrial function, inflammatory profile, oxidative stress and energy metabolism caused by concurrent physical training in obese women.
Panoramica dello studio
Stato
Intervento / Trattamento
Descrizione dettagliata
Specific objectives:
Body composition by deuterium oxide; Metabolic rate of resting and oxidation of substrates by indirect calorimetry; Proinflammatory cytokines Anti-inflammatory cytokines Oxidative Stress: Malondialdehyde, Superoxide Dismutase, Glutathione-Peroxidase; Fatty acids: ceramide and palmitate; Mitochondrial respiration and citrate synthase enzyme; Quantify and qualify: mitochondrial number, endoplasmic reticulum structure, adipose cell size; Gene expression, quantify by microscopy and analyze the protein by western blot.
The study began with 20 women, however, there was withdrawal of 6, ending with 14 women.
Tipo di studio
Iscrizione (Effettivo)
Fase
- Non applicabile
Contatti e Sedi
Luoghi di studio
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SP
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Ribeirao Preto, SP, Brasile, 14.048-900
- Camila Fernanda Cunha Brandão
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
Accetta volontari sani
Sessi ammissibili allo studio
Descrizione
Inclusion Criteria:
- This study included women with obesity (BMI of 30 to 40 kg / m²), sedentary, with no associated comorbidity, convenience sample
Exclusion Criteria:
- Women who have undergone bariatric surgery, menopause, cancer or any metabolic disease, smokers, alcoholics, who are in use of drugs that act directly on the metabolism and that have medical impediment to the practice of physical exercise.
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Trattamento
- Assegnazione: N / A
- Modello interventistico: Assegnazione di gruppo singolo
- Mascheramento: Nessuno (etichetta aperta)
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
|---|---|
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Altro: Physical Training
There was concurrent physical training intervention: strength and aerobic exercises in the same session. Duration: 2 weeks of adaptation and learning to exercise, 8 weeks of physical training. Frequency: 3 times per week Duration: 55 minutes each session. Intensity: 75 to 90% of maximum heart rate. |
Intervention with concurrent physical training: strength and aerobic exercises in the same session. Duration: 2 weeks of adaptation to physical exercise, 8 weeks of training. Frequency: 3 times a week. Time: 55 minutes each session. Intensity: 75 to 90% of maximum heart rate. |
Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Changes Body weight
Lasso di tempo: Two times: (1) First day and (2) 10 weeks after adaptation and intervention
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Body weight was measured by digital balance before and after the intervention
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Two times: (1) First day and (2) 10 weeks after adaptation and intervention
|
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Changes Body composition
Lasso di tempo: Two times: (1) First day and (2) 10 weeks after adaptation and intervention
|
The change in body composition through deuterium oxide was evaluated.
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Two times: (1) First day and (2) 10 weeks after adaptation and intervention
|
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Changes White adipose tissue biopsy
Lasso di tempo: Two times: (1) First day and (2) 10 weeks after adaptation and intervention
|
A subcutaneous tissue sample was collected for analysis of: mitochondrial respiration, citrate synthase enzyme, gene expression (UCP1, 2 and 3).
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Two times: (1) First day and (2) 10 weeks after adaptation and intervention
|
|
Changes Indirect calorimetry
Lasso di tempo: Two times: (1) First day and (2) 10 weeks after adaptation and intervention
|
With a gas analyzer (indirect calorimeter), we evaluated the metabolic rate and rest (REE) and oxidation of substrates (Lipids and carbohydrates).
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Two times: (1) First day and (2) 10 weeks after adaptation and intervention
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Changes in fatty acids
Lasso di tempo: Two times: (1) First day and (2) 10 weeks after adaptation and intervention
|
Collected in lithium heparin tubes, they were centrifuged.
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Two times: (1) First day and (2) 10 weeks after adaptation and intervention
|
|
Changes oxidative stress
Lasso di tempo: Two times: (1) First day and (2) 10 weeks after adaptation and intervention
|
Collected in lithium heparin tubes, they were centrifuged.
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Two times: (1) First day and (2) 10 weeks after adaptation and intervention
|
|
Changes inflammatory cytokines
Lasso di tempo: Two times: (1) First day and (2) 10 weeks after adaptation and intervention
|
Collected in lithium heparin tubes, they were centrifuged.
|
Two times: (1) First day and (2) 10 weeks after adaptation and intervention
|
|
Changes in total cholesterol
Lasso di tempo: Two times: (1) First day and (2) 10 weeks after adaptation and intervention
|
Collected in lithium heparin tubes, they were centrifuged.
|
Two times: (1) First day and (2) 10 weeks after adaptation and intervention
|
|
Changes Physical Performance
Lasso di tempo: Two times: (1) First day and (2) 10 weeks after adaptation and intervention
|
Based on the Shuttle Walking Test adaptation.
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Two times: (1) First day and (2) 10 weeks after adaptation and intervention
|
|
Changes in Determination of Lactate
Lasso di tempo: Two times: (1) First day and (2) 10 weeks after adaptation and intervention
|
Blood samples were collected by manual puncture of the earlobe in previously calibrated and heparinized capillary tubes, stored in eppendorf with sodium fluoride.
Analyzed by electrochemical lactate analyser.
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Two times: (1) First day and (2) 10 weeks after adaptation and intervention
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Changes Food intake
Lasso di tempo: Two times: (1) First day and (2) 10 weeks after adaptation and intervention
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Food registry of 3 days, the quantification of the daily intake of nutrients will still be made using software.
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Two times: (1) First day and (2) 10 weeks after adaptation and intervention
|
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Changes Nitrogen Balance
Lasso di tempo: Two times: (1) First day and (2) 10 weeks after adaptation and intervention
|
Through the collection of urine of 24 hours the dosage of urinary nitrogen will be made by the chemiluminescence method for determination of protein nitrogen.
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Two times: (1) First day and (2) 10 weeks after adaptation and intervention
|
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Changes Telomere length
Lasso di tempo: Two times: (1) First day and (2) 10 weeks after adaptation and intervention
|
peripheral blood in ethylenediaminetetraacetic acid tubes and genomic DNA was automatically extracted from Peripheral Blood Mononuclear Cell.
The relative quantification of Telomere length was determined using the telomere to single copy gene ratio by Quantitative Polymerase Chain Reaction (qPCR).
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Two times: (1) First day and (2) 10 weeks after adaptation and intervention
|
Collaboratori e investigatori
Sponsor
Pubblicazioni e link utili
Pubblicazioni generali
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- BROWN, L.E.; WEIR, J.P.; ASEP procedures recommendation i: accurate assessment of muscular strength and power, Journal of Exercise Physiology, v. 4, n. 3, p. 1-21, 2001.
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- Colégio Americano de Medicina Esportiva, CAME. Guia para Teste de Esforço e Prescrição de Exercício. 3º Edição, Medsi, Rio de janeiro, RJ, p.25, 1987.
- Crump C, Sundquist J, Winkleby MA, Sundquist K. Interactive effects of obesity and physical fitness on risk of ischemic heart disease. Int J Obes (Lond). 2017 Feb;41(2):255-261. doi: 10.1038/ijo.2016.209. Epub 2016 Nov 21.
- Curtis JM, Grimsrud PA, Wright WS, Xu X, Foncea RE, Graham DW, Brestoff JR, Wiczer BM, Ilkayeva O, Cianflone K, Muoio DE, Arriaga EA, Bernlohr DA. Downregulation of adipose glutathione S-transferase A4 leads to increased protein carbonylation, oxidative stress, and mitochondrial dysfunction. Diabetes. 2010 May;59(5):1132-42. doi: 10.2337/db09-1105. Epub 2010 Feb 11.
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- Fernstrom M, Bakkman L, Loogna P, Rooyackers O, Svensson M, Jakobsson T, Brandt L, Lagerros YT. Improved Muscle Mitochondrial Capacity Following Gastric Bypass Surgery in Obese Subjects. Obes Surg. 2016 Jul;26(7):1391-7. doi: 10.1007/s11695-015-1932-z.
- Ferreira FC, Bertucci DR, Barbosa MR, Nunes JE, Botero JP, Rodrigues MF, Shiguemoto GE, Santoro V, Verzola AC, Nonaka RO, Verzola RM, Baldissera V, Perez SE. Circuit resistance training in women with normal weight obesity syndrome: body composition, cardiometabolic and echocardiographic parameters, and cardiovascular and skeletal muscle fitness. J Sports Med Phys Fitness. 2017 Jul-Aug;57(7-8):1033-1044. doi: 10.23736/S0022-4707.16.06391-X. Epub 2016 Jul 6.
- FETT, C.A.; FETT, W.C.R.; MARCHINI, J.S. Fitness Level of Overweight/Obese Women After 08 Weeks of Aerobic or Mixed Metabolism Exercises. Revista Brasileira de Cineantropometria & Desempenho Humano, v. 11, p. 261-266, 2009.
- Grimble GK, West MF, Acuti AB, Rees RG, Hunjan MK, Webster JD, Frost PG, Silk DB. Assessment of an automated chemiluminescence nitrogen analyzer for routine use in clinical nutrition. JPEN J Parenter Enteral Nutr. 1988 Jan-Feb;12(1):100-6. doi: 10.1177/0148607188012001100.
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- Lepage G, Roy CC. Improved recovery of fatty acid through direct transesterification without prior extraction or purification. J Lipid Res. 1984 Dec 1;25(12):1391-6.
- Medbo JI, Mamen A, Holt Olsen O, Evertsen F. Examination of four different instruments for measuring blood lactate concentration. Scand J Clin Lab Invest. 2000 Aug;60(5):367-80. doi: 10.1080/003655100750019279.
- Pfrimer K, Moriguti JC, Lima NK, Marchini JS, Ferriolli E. Bioelectrical impedance with different equations versus deuterium oxide dilution method for the inference of body composition in healthy older persons. J Nutr Health Aging. 2012 Feb;16(2):124-7. doi: 10.1007/s12603-011-0137-y.
- POLLOCK, M.L.; WILMORE, J.H.; FOX III, S.M. Exercícios na Saúde e na Doença - Avaliação e prescrição para prevenção e reabilitação. Rio de Janeiro: 1986.
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Primo inviato che soddisfa i criteri di controllo qualità
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Ultimo aggiornamento pubblicato (Effettivo)
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Maggiori informazioni
Termini relativi a questo studio
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
- Process HCRP: 1.387.040/2016
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