Effects of Lipoic Acid and Eicosapentaenoic Acid (EPA) in Human Obesity (OBEPALIP)
27. května 2015 aktualizováno: Clinica Universidad de Navarra, Universidad de Navarra
Cellular and Molecular Effects of Lipoic Acid and Eicosapentaenoic Acid (EPA) on Adipose Tissue: Potential Application in Human Obesity
The aim of the study is to analyze the effects of Lipoic acid and/or EPA supplementation on weight loss, lipid profile, insulin resistance, oxidative and inflammation parameters, metabolomic profile as well as on adipose tissue gene profile in healthy overweight/obese subjects following an energy-restricted diet.
Přehled studie
Postavení
Dokončeno
Podmínky
Intervence / Léčba
Typ studie
Intervenční
Zápis (Aktuální)
103
Fáze
- Nelze použít
Kontakty a umístění
Tato část poskytuje kontaktní údaje pro ty, kteří studii provádějí, a informace o tom, kde se tato studie provádí.
Studijní místa
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Navarra
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Pamplona, Navarra, Španělsko, 31008
- Department of Nutrition, Food Science, Physiology and Toxicology. University of Navarra
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Kritéria účasti
Výzkumníci hledají lidi, kteří odpovídají určitému popisu, kterému se říká kritéria způsobilosti. Některé příklady těchto kritérií jsou celkový zdravotní stav osoby nebo předchozí léčba.
Kritéria způsobilosti
Věk způsobilý ke studiu
20 let až 45 let (Dospělý)
Přijímá zdravé dobrovolníky
Ano
Pohlaví způsobilá ke studiu
Ženský
Popis
Inclusion Criteria:
- Women
- Ages between 20 and 45 years, and with regular menstrual cycles
- Body Mass Index (BMI) between 27.5 and 39.9 kg/m2
- Weight unchanged (± 3 kg) for the last 3 months
- All subjects should have an overall physical and psychological condition that the investigator believes is in accordance with the overall aim of the study.
Exclusion Criteria:
- Use of prescription medication
- To suffer from any chronic metabolic or obesity related disease, hepatic or renal systemic disease: Hypertension, dislipidemia, type 1 or 2 diabetes, thyroid function disorders, cirrhosis, fatty liver, etc.
- Food allergies or food intolerance expected to come up during the study
- Special diets (Atkins, vegetarian, etc.) prior three months the start of the study.
- Eating disorders
- Surgically treated obesity
- Pregnant or lactating women or planning to be pregnant in the next two months
- Alcohol or drug abuse (based on clinical parameters)
Studijní plán
Tato část poskytuje podrobnosti o studijním plánu, včetně toho, jak je studie navržena a co studie měří.
Jak je studie koncipována?
Detaily designu
- Primární účel: Léčba
- Přidělení: Randomizované
- Intervenční model: Paralelní přiřazení
- Maskování: Trojnásobný
Zbraně a zásahy
Skupina účastníků / Arm |
Intervence / Léčba |
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Komparátor placeba: Control group
Dietary treatment with a calorie restriction of 30 % the subject's energy expenditure at baseline + placebos supplements
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Placebo-controlled dietary intervention during 10 weeks.
All groups will have a dietary treatment with a calorie restriction of 30 % the subject's energy expenditure at baseline, supplemented with eicosapentaenoic acid (EPA) and/or lipoic acid (LA).
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Experimentální: EPA group
Dietary treatment with a calorie restriction of 30 % the subject's energy expenditure at baseline + EPA (1.3 g/day, 3 capsules of 433 mg/day) supplement (EPA Group).
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Placebo-controlled dietary intervention during 10 weeks.
All groups will have a dietary treatment with a calorie restriction of 30 % the subject's energy expenditure at baseline, supplemented with eicosapentaenoic acid (EPA) and/or lipoic acid (LA).
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Experimentální: Lipoic acid group
Dietary treatment with a calorie restriction of 30 % the subject's energy expenditure at baseline + LA (300 mg/day, 3 capsules of 100 mg/day) supplement (LA Group)
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Placebo-controlled dietary intervention during 10 weeks.
All groups will have a dietary treatment with a calorie restriction of 30 % the subject's energy expenditure at baseline, supplemented with eicosapentaenoic acid (EPA) and/or lipoic acid (LA).
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Experimentální: EPA+LA group
Dietary treatment with a calorie restriction of 30 % the subject's energy expenditure at baseline + EPA/LA (1.3 g /day and 300 mg/day respectively).
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Placebo-controlled dietary intervention during 10 weeks.
All groups will have a dietary treatment with a calorie restriction of 30 % the subject's energy expenditure at baseline, supplemented with eicosapentaenoic acid (EPA) and/or lipoic acid (LA).
|
Co je měření studie?
Primární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
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Weight Loss
Časové okno: Week 0 (baseline)
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Volunteers will attend the Nutritional Intervention unit (University of Navarra), where their weight will be measured to the nearest 0.1 kg.
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Week 0 (baseline)
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Weight Loss
Časové okno: Week 2
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Volunteers will attend the Nutritional Intervention unit (University of Navarra), where their weight will be measured to the nearest 0.1 kg.
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Week 2
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Weight Loss
Časové okno: Week 4
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Volunteers will attend the Nutritional Intervention unit (University of Navarra), where their weight will be measured to the nearest 0.1 kg.
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Week 4
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Weight Loss
Časové okno: week 6
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Volunteers will attend the Nutritional Intervention unit (University of Navarra), where their weight will be measured to the nearest 0.1 kg.
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week 6
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Weight Loss
Časové okno: Week 8
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Volunteers will attend the Nutritional Intervention unit (University of Navarra), where their weight will be measured to the nearest 0.1 kg.
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Week 8
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Weight Loss
Časové okno: Week 10 (end of treatment)
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Volunteers will attend the Nutritional Intervention unit (University of Navarra), where their weight will be measured to the nearest 0.1 kg.
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Week 10 (end of treatment)
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Body composition and Anthropometric parameters
Časové okno: Week 0 (Baseline)
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Changes in body composition will be analyzed by Dual X-ray Absorptiometry (DXA) and by bioimpedance, and hip and waist circumferences will be measured.
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Week 0 (Baseline)
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Body composition and anthropometric parameters
Časové okno: Week 10 (end of treatment)
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Changes in body composition will be analyzed by Dual X-ray Absorptiometry (DXA) and by bioimpedance, and hip and waist circumferences will be measured.
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Week 10 (end of treatment)
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Glucose metabolism parameters
Časové okno: Week 0 (baseline)
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Fasting serum glucose, Fasting serum insulin, Oral Glucose Tolerance Test, HOMA index
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Week 0 (baseline)
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Glucose metabolism parameters
Časové okno: Week 10 (end of treatment)
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Fasting serum glucose, Fasting serum insulin, Oral Glucose Tolerance Test, HOMA index
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Week 10 (end of treatment)
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Lipid metabolism biomarkers
Časové okno: Week 0 (baseline)
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Serum total-cholesterol, HDL-cholesterol, LDL-cholesterol, triacylglycerols, free fatty acids, ketone bodies.
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Week 0 (baseline)
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Lipid metabolism biomarkers
Časové okno: Week 10 (end of treatment)
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Serum total-cholesterol, HDL-cholesterol, LDL-cholesterol, triacylglycerols, free fatty acids, ketone bodies.
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Week 10 (end of treatment)
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Sekundární výstupní opatření
Měření výsledku |
Popis opatření |
Časové okno |
|---|---|---|
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Blood Pressure and Cardiovascular Risk biomarkers
Časové okno: Baseline
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Blood pressure, PAI-1 and VEGF will be measured.
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Baseline
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Blood Pressure and Cardiovascular Risk biomarkers
Časové okno: Week 10 (end of treatment)
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Blood pressure, PAI-1 and VEGF will be measured.
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Week 10 (end of treatment)
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Energy expenditure
Časové okno: Baseline
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Energy expenditure will be estimated by indirect calorimetry, and T3, T4 and TSH levels will be analysed by ELISA kits
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Baseline
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Energy expenditure
Časové okno: Week 10 (end of treatment)
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Energy expenditure will be estimated by indirect calorimetry, and T3, T4 and TSH levels will be analysed by ELISA kits
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Week 10 (end of treatment)
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Satiety
Časové okno: Baseline
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Satiety will be estimated by using a VAS questionnaire
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Baseline
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Satiety
Časové okno: Week 10 (end of treatment)
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Satiety will be estimated by using a VAS questionnaire
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Week 10 (end of treatment)
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Serum inflammation biomarkers
Časové okno: Baseline
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TNF-alpha, IL-6, C-reactive protein, serum A-amiloid, Leptin, Adiponectin, Visfatin
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Baseline
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Serum inflammation biomarkers
Časové okno: Week 10 (end of treatment)
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TNF-alpha, IL-6, C-reactive protein, serum A-amiloid, Leptin, Adiponectin, Visfatin
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Week 10 (end of treatment)
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Serum oxidative stress biomarkers
Časové okno: Baseline
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Total and Reduced Glutathione, Glutathione Peroxidase, MDA, Superoxide Dismutase-2 (Mn-SOD).
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Baseline
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Serum oxidative stress biomarkers
Časové okno: Week 10 (end of treatment)
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Total and Reduced Glutathione, Glutathione Peroxidase, MDA, Superoxide Dismutase-2 (Mn-SOD).
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Week 10 (end of treatment)
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Adipose tissue gene profile and function analysis
Časové okno: Week 10 (end of treatment)
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A biopsy (2 g) of subcutaneous abdominal periumbilical area adipose tissue will be obtained.
In order to identify clusters/pathways of genes regulated by the supplementation of EPA and LA, microarray gene profiling will be performed in adipose tissue from the 4 groups after the nutritional intervention.
If possible primary explant culture of adipose tissue biopsies will be also carried out.
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Week 10 (end of treatment)
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Metabolomic and lipidomic profile
Časové okno: Baseline
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Samples of plasma and 24-h urine will be analysed by Ultra Performance Liquid Chromatography-Mass Spectrometry (UPLC-MS), and Nuclear Magnetic Resonance (NMR), and Bidimensional Gas Chromatography-Mass Spectrometry (BC-MS).
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Baseline
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Metabolomic and lipidomic profile
Časové okno: Week 10 (end of treatment)
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Samples of plasma and 24-h urine will be analysed by Ultra Performance Liquid Chromatography-Mass Spectrometry (UPLC-MS), and Nuclear Magnetic Resonance (NMR), and Bidimensional Gas Chromatography-Mass Spectrometry (BC-MS).
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Week 10 (end of treatment)
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Spolupracovníci a vyšetřovatelé
Zde najdete lidi a organizace zapojené do této studie.
Vyšetřovatelé
- Vrchní vyšetřovatel: Maria J Moreno-Aliaga, PhD, University of Navarra
- Ředitel studie: Alfredo Martínez, PhD, University of Navarra
Publikace a užitečné odkazy
Osoba odpovědná za zadávání informací o studiu tyto publikace poskytuje dobrovolně. Mohou se týkat čehokoli, co souvisí se studiem.
Obecné publikace
- Parra D, Ramel A, Bandarra N, Kiely M, Martinez JA, Thorsdottir I. A diet rich in long chain omega-3 fatty acids modulates satiety in overweight and obese volunteers during weight loss. Appetite. 2008 Nov;51(3):676-80. doi: 10.1016/j.appet.2008.06.003. Epub 2008 Jun 14.
- Navas-Carretero S, Perez-Granados AM, Schoppen S, Vaquero MP. An oily fish diet increases insulin sensitivity compared to a red meat diet in young iron-deficient women. Br J Nutr. 2009 Aug;102(4):546-53. doi: 10.1017/S0007114509220794. Epub 2009 Feb 12.
- Lorente-Cebrian S, Bustos M, Marti A, Martinez JA, Moreno-Aliaga MJ. Eicosapentaenoic acid up-regulates apelin secretion and gene expression in 3T3-L1 adipocytes. Mol Nutr Food Res. 2010 May;54 Suppl 1:S104-11. doi: 10.1002/mnfr.200900522.
- Lorente-Cebrian S, Bustos M, Marti A, Martinez JA, Moreno-Aliaga MJ. Eicosapentaenoic acid stimulates AMP-activated protein kinase and increases visfatin secretion in cultured murine adipocytes. Clin Sci (Lond). 2009 Aug 14;117(6):243-9. doi: 10.1042/CS20090020.
- Perez-Echarri N, Perez-Matute P, Marcos-Gomez B, Marti A, Martinez JA, Moreno-Aliaga MJ. Down-regulation in muscle and liver lipogenic genes: EPA ethyl ester treatment in lean and overweight (high-fat-fed) rats. J Nutr Biochem. 2009 Sep;20(9):705-14. doi: 10.1016/j.jnutbio.2008.06.013. Epub 2008 Sep 30.
- Prieto-Hontoria PL, Perez-Matute P, Fernandez-Galilea M, Barber A, Martinez JA, Moreno-Aliaga MJ. Lipoic acid prevents body weight gain induced by a high fat diet in rats: effects on intestinal sugar transport. J Physiol Biochem. 2009 Mar;65(1):43-50. doi: 10.1007/BF03165968.
- Perez-Echarri N, Perez-Matute P, Marcos-Gomez B, Baena MJ, Marti A, Martinez JA, Moreno-Aliaga MJ. Differential inflammatory status in rats susceptible or resistant to diet-induced obesity: effects of EPA ethyl ester treatment. Eur J Nutr. 2008 Oct;47(7):380-6. doi: 10.1007/s00394-008-0738-3. Epub 2008 Sep 18.
- Perez-Echarri N, Perez-Matute P, Marcos-Gomez B, Martinez JA, Moreno-Aliaga MJ. Effects of eicosapentaenoic acid ethyl ester on visfatin and apelin in lean and overweight (cafeteria diet-fed) rats. Br J Nutr. 2009 Apr;101(7):1059-67. doi: 10.1017/S0007114508048307. Epub 2008 Aug 28.
- Perez-Matute P, Perez-Echarri N, Martinez JA, Marti A, Moreno-Aliaga MJ. Eicosapentaenoic acid actions on adiposity and insulin resistance in control and high-fat-fed rats: role of apoptosis, adiponectin and tumour necrosis factor-alpha. Br J Nutr. 2007 Feb;97(2):389-98. doi: 10.1017/S0007114507207627.
- Marrades MP, Martinez JA, Moreno-Aliaga MJ. Differences in short-term metabolic responses to a lipid load in lean (resistant) vs obese (susceptible) young male subjects with habitual high-fat consumption. Eur J Clin Nutr. 2007 Feb;61(2):166-74. doi: 10.1038/sj.ejcn.1602500. Epub 2006 Aug 9.
- Marrades MP, Milagro FI, Martinez JA, Moreno-Aliaga MJ. Differential expression of aquaporin 7 in adipose tissue of lean and obese high fat consumers. Biochem Biophys Res Commun. 2006 Jan 20;339(3):785-9. doi: 10.1016/j.bbrc.2005.11.080. Epub 2005 Nov 22.
- Ramel A, Martinez A, Kiely M, Morais G, Bandarra NM, Thorsdottir I. Beneficial effects of long-chain n-3 fatty acids included in an energy-restricted diet on insulin resistance in overweight and obese European young adults. Diabetologia. 2008 Jul;51(7):1261-8. doi: 10.1007/s00125-008-1035-7. Epub 2008 May 20.
- Ramel A, Martinez JA, Kiely M, Bandarra NM, Thorsdottir I. Moderate consumption of fatty fish reduces diastolic blood pressure in overweight and obese European young adults during energy restriction. Nutrition. 2010 Feb;26(2):168-74. doi: 10.1016/j.nut.2009.04.002. Epub 2009 May 31.
- Romo-Hualde A, Huerta AE, Gonzalez-Navarro CJ, Ramos-Lopez O, Moreno-Aliaga MJ, Martinez JA. Untargeted metabolomic on urine samples after alpha-lipoic acid and/or eicosapentaenoic acid supplementation in healthy overweight/obese women. Lipids Health Dis. 2018 May 9;17(1):103. doi: 10.1186/s12944-018-0750-4.
- Huerta AE, Prieto-Hontoria PL, Sainz N, Martinez JA, Moreno-Aliaga MJ. Supplementation with alpha-Lipoic Acid Alone or in Combination with Eicosapentaenoic Acid Modulates the Inflammatory Status of Healthy Overweight or Obese Women Consuming an Energy-Restricted Diet. J Nutr. 2015 Apr 1;146(4):889S-896S. doi: 10.3945/jn.115.224105.
Užitečné odkazy
Termíny studijních záznamů
Tato data sledují průběh záznamů studie a předkládání souhrnných výsledků na ClinicalTrials.gov. Záznamy ze studií a hlášené výsledky jsou před zveřejněním na veřejné webové stránce přezkoumány Národní lékařskou knihovnou (NLM), aby se ujistily, že splňují specifické standardy kontroly kvality.
Hlavní termíny studia
Začátek studia
1. ledna 2010
Primární dokončení (Aktuální)
1. prosince 2011
Dokončení studie (Aktuální)
1. prosince 2012
Termíny zápisu do studia
První předloženo
21. května 2010
První předloženo, které splnilo kritéria kontroly kvality
4. června 2010
První zveřejněno (Odhad)
7. června 2010
Aktualizace studijních záznamů
Poslední zveřejněná aktualizace (Odhad)
28. května 2015
Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality
27. května 2015
Naposledy ověřeno
1. února 2012
Více informací
Termíny související s touto studií
Klíčová slova
Další relevantní podmínky MeSH
- Poruchy metabolismu glukózy
- Metabolické choroby
- Nadměrná výživa
- Poruchy výživy
- Nadváha
- Tělesná hmotnost
- Hyperinzulinismus
- Obezita
- Rezistence na inzulín
- Fyziologické účinky léků
- Molekulární mechanismy farmakologického působení
- Ochranné prostředky
- Mikroživiny
- Vitamíny
- Antioxidanty
- Vitamín B komplex
- Kyselina thioktová
Další identifikační čísla studie
- OBEPALIP
Tyto informace byly beze změn načteny přímo z webu clinicaltrials.gov. Máte-li jakékoli požadavky na změnu, odstranění nebo aktualizaci podrobností studie, kontaktujte prosím register@clinicaltrials.gov. Jakmile bude změna implementována na clinicaltrials.gov, bude automaticky aktualizována i na našem webu .