Study Results
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Basic Information
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RECRUITING
50 participants
OBSERVATIONAL
2020-01-31
2025-12-31
Brief Summary
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Primary objective: To identify novel signalling factors originating from adipose tissue and muscle using targeted and nontargeted evaluation of the proteome and of gene expression of superficial subcutaneous fat, deep subcutaneous fat (which mimics visceral adipose tissue) and skeletal muscle.
Secondary objectives:
1. To study the serum adipokine profile - including those identified by the primary objective - and circulating gut hormones during fasting and after a glucose load in the 5 groups of women, and their associations with sexual hormones and body fat distribution.
2. To study body composition and body fat distribution in these women and their relationships with:
2.1, Sex steroid profiles.
2.2. Classic cardiovascular risk factors: carbohydrate metabolism, lipid profiles and blood pressure.
2.3 Markers of low-grade chronic inflammation.
2.4. Oxidative stress markers.
2.5. Cardiovascular autonomic function.
2.6. Surrogate markers of subclinical atherosclerosis.
2.7. Circulating concentrations of endocrine disruptors.
2.8. Oral and gut microbiome.
The results will provide a better understanding of the mechanisms linking body energy depots with the female reproductive axis and, hopefully, the identification of potential biomarkers for the diagnosis and treatment of the disorders studied here.
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Detailed Description
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Conditions
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Study Design
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CASE_CONTROL
CROSS_SECTIONAL
Study Groups
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I- Hypothalamic amenorrhea
10 women with exercise-associated hypothalamic amenorrhea
Anthropometric and physical examination
* Weight and height.
* Waist-to-hip ratio.
* Body composition: Bioelectrical impedance and \[Dual energy X-ray absorptiometry (DEXA)\].
Indirect calorimetry, accelerometer and seven-day dietary recall
Energy availability assessment.
Biochemical, hormonal and metabolic phenotyping
* Lipid profile.
* Oral glucose tolerance test: plasma glucose and insulin, insulin sensitivity indices, gastrointestinal hormones, adipokines, oxidative stress markers.
* Sex steroid profile.
* Hypothalamic-pituitary-adrenal axis study.
* Ferrokinetic study.
* Subclinical chronic inflammatory markers.
Sonographic studies
* Polycystic ovarian morphology.
* Carotid intima-media thickness.
* Eco-FAT: Ultrasound measurements of adipose tissue depots including sc, preperitoneal, intraperitoneal (ip), mesenteric, and perirenal fat thickness.
24-hour Ambulatory blood pressure monitoring
A\&D TM2430EX oscillometric devices (A\&D Company Limited, Tokyo, Japan).
Percutaneous biopsy
Subcutaneous fat tissue and muscle tissue for proteomics an gene expression studies.
Cardiovascular autonomic function studies
Parasympathetic and sympathetic responses to deep breathing, Valsalva's maneuver and orthostatism.
Oral smear and feces specimen
Microbiome studies.
II- Hyperandrogenic polycystic ovary syndrome
5 lean women with hyperandrogenic polycystic ovary syndrome. 5 women with weight excess and hyperandrogenic polycystic ovary syndrome.
Anthropometric and physical examination
* Weight and height.
* Waist-to-hip ratio.
* Body composition: Bioelectrical impedance and \[Dual energy X-ray absorptiometry (DEXA)\].
Indirect calorimetry, accelerometer and seven-day dietary recall
Energy availability assessment.
Biochemical, hormonal and metabolic phenotyping
* Lipid profile.
* Oral glucose tolerance test: plasma glucose and insulin, insulin sensitivity indices, gastrointestinal hormones, adipokines, oxidative stress markers.
* Sex steroid profile.
* Hypothalamic-pituitary-adrenal axis study.
* Ferrokinetic study.
* Subclinical chronic inflammatory markers.
Sonographic studies
* Polycystic ovarian morphology.
* Carotid intima-media thickness.
* Eco-FAT: Ultrasound measurements of adipose tissue depots including sc, preperitoneal, intraperitoneal (ip), mesenteric, and perirenal fat thickness.
24-hour Ambulatory blood pressure monitoring
A\&D TM2430EX oscillometric devices (A\&D Company Limited, Tokyo, Japan).
Percutaneous biopsy
Subcutaneous fat tissue and muscle tissue for proteomics an gene expression studies.
Cardiovascular autonomic function studies
Parasympathetic and sympathetic responses to deep breathing, Valsalva's maneuver and orthostatism.
Oral smear and feces specimen
Microbiome studies.
III- Non-hyperandrogenic polycystic ovary syndrome
5 lean women with non-hyperandrogenic polycystic ovary syndrome 5 women with weight excess and non-hyperandrogenic polycystic ovary syndrome
Anthropometric and physical examination
* Weight and height.
* Waist-to-hip ratio.
* Body composition: Bioelectrical impedance and \[Dual energy X-ray absorptiometry (DEXA)\].
Indirect calorimetry, accelerometer and seven-day dietary recall
Energy availability assessment.
Biochemical, hormonal and metabolic phenotyping
* Lipid profile.
* Oral glucose tolerance test: plasma glucose and insulin, insulin sensitivity indices, gastrointestinal hormones, adipokines, oxidative stress markers.
* Sex steroid profile.
* Hypothalamic-pituitary-adrenal axis study.
* Ferrokinetic study.
* Subclinical chronic inflammatory markers.
Sonographic studies
* Polycystic ovarian morphology.
* Carotid intima-media thickness.
* Eco-FAT: Ultrasound measurements of adipose tissue depots including sc, preperitoneal, intraperitoneal (ip), mesenteric, and perirenal fat thickness.
24-hour Ambulatory blood pressure monitoring
A\&D TM2430EX oscillometric devices (A\&D Company Limited, Tokyo, Japan).
Percutaneous biopsy
Subcutaneous fat tissue and muscle tissue for proteomics an gene expression studies.
Cardiovascular autonomic function studies
Parasympathetic and sympathetic responses to deep breathing, Valsalva's maneuver and orthostatism.
Oral smear and feces specimen
Microbiome studies.
IV- Trained women without ovulatory dysfunction
10 women who exercise as intensively as women with exercise-associated hypothalamic amenorrhea but with normal ovulatory cycles.
Anthropometric and physical examination
* Weight and height.
* Waist-to-hip ratio.
* Body composition: Bioelectrical impedance and \[Dual energy X-ray absorptiometry (DEXA)\].
Indirect calorimetry, accelerometer and seven-day dietary recall
Energy availability assessment.
Biochemical, hormonal and metabolic phenotyping
* Lipid profile.
* Oral glucose tolerance test: plasma glucose and insulin, insulin sensitivity indices, gastrointestinal hormones, adipokines, oxidative stress markers.
* Sex steroid profile.
* Hypothalamic-pituitary-adrenal axis study.
* Ferrokinetic study.
* Subclinical chronic inflammatory markers.
Sonographic studies
* Polycystic ovarian morphology.
* Carotid intima-media thickness.
* Eco-FAT: Ultrasound measurements of adipose tissue depots including sc, preperitoneal, intraperitoneal (ip), mesenteric, and perirenal fat thickness.
24-hour Ambulatory blood pressure monitoring
A\&D TM2430EX oscillometric devices (A\&D Company Limited, Tokyo, Japan).
Percutaneous biopsy
Subcutaneous fat tissue and muscle tissue for proteomics an gene expression studies.
Cardiovascular autonomic function studies
Parasympathetic and sympathetic responses to deep breathing, Valsalva's maneuver and orthostatism.
Oral smear and feces specimen
Microbiome studies.
V- Non-hyperandrogenic healthy women
10 women matched by age and body mass index with women with polycystic ovary syndrome who do not perform physical activity on a regular basis
Anthropometric and physical examination
* Weight and height.
* Waist-to-hip ratio.
* Body composition: Bioelectrical impedance and \[Dual energy X-ray absorptiometry (DEXA)\].
Indirect calorimetry, accelerometer and seven-day dietary recall
Energy availability assessment.
Biochemical, hormonal and metabolic phenotyping
* Lipid profile.
* Oral glucose tolerance test: plasma glucose and insulin, insulin sensitivity indices, gastrointestinal hormones, adipokines, oxidative stress markers.
* Sex steroid profile.
* Hypothalamic-pituitary-adrenal axis study.
* Ferrokinetic study.
* Subclinical chronic inflammatory markers.
Sonographic studies
* Polycystic ovarian morphology.
* Carotid intima-media thickness.
* Eco-FAT: Ultrasound measurements of adipose tissue depots including sc, preperitoneal, intraperitoneal (ip), mesenteric, and perirenal fat thickness.
24-hour Ambulatory blood pressure monitoring
A\&D TM2430EX oscillometric devices (A\&D Company Limited, Tokyo, Japan).
Percutaneous biopsy
Subcutaneous fat tissue and muscle tissue for proteomics an gene expression studies.
Cardiovascular autonomic function studies
Parasympathetic and sympathetic responses to deep breathing, Valsalva's maneuver and orthostatism.
Oral smear and feces specimen
Microbiome studies.
Interventions
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Anthropometric and physical examination
* Weight and height.
* Waist-to-hip ratio.
* Body composition: Bioelectrical impedance and \[Dual energy X-ray absorptiometry (DEXA)\].
Indirect calorimetry, accelerometer and seven-day dietary recall
Energy availability assessment.
Biochemical, hormonal and metabolic phenotyping
* Lipid profile.
* Oral glucose tolerance test: plasma glucose and insulin, insulin sensitivity indices, gastrointestinal hormones, adipokines, oxidative stress markers.
* Sex steroid profile.
* Hypothalamic-pituitary-adrenal axis study.
* Ferrokinetic study.
* Subclinical chronic inflammatory markers.
Sonographic studies
* Polycystic ovarian morphology.
* Carotid intima-media thickness.
* Eco-FAT: Ultrasound measurements of adipose tissue depots including sc, preperitoneal, intraperitoneal (ip), mesenteric, and perirenal fat thickness.
24-hour Ambulatory blood pressure monitoring
A\&D TM2430EX oscillometric devices (A\&D Company Limited, Tokyo, Japan).
Percutaneous biopsy
Subcutaneous fat tissue and muscle tissue for proteomics an gene expression studies.
Cardiovascular autonomic function studies
Parasympathetic and sympathetic responses to deep breathing, Valsalva's maneuver and orthostatism.
Oral smear and feces specimen
Microbiome studies.
Eligibility Criteria
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Inclusion Criteria
* Body mass index between 18.5 and 25.0 kg/m2.
* Group 1 ovulatory dysfunction \[World Health Organization (WHO) classification\].
* Normal/low gonadotrophin levels \[follicle-stimulating hormone (FSH) and luteinizing (LH) \< 10 IU/l\] and low estradiol (\< 50 pg/ml).
* Moderate-vigorous intensity physical activity (\> 5 hours per week) plus low energy availability (\< 30 kcal/per kg of lean mass).
* Exclusion of secondary etiologies
* Informed consent signed.
Group II:
* Polycystic ovary syndrome phenotype I, II and III \[National Institute of Health (NIH)-2012\] with hyperandrogenemia (http://prevention.nih.gov/workshops/2012/resources.aspx).
* Body mass index between 18.5 and 40.0 kg/m2.
* Informed consent signed.
Group III:
* Polycystic ovary syndrome phenotype IV (NIH-2012) (http://prevention.nih.gov/workshops/2012/resources.aspx).
* Body mass index between 18.5 and 40.0 kg/m2.
* Informed consent signed.
Group IV:
* Body mass index between 18.5 and 25.0 kg/m2.
* Regular menses.
* Normal gonadotropins and estradiol levels at follicular phase.
* Moderate-vigorous intensity physical activity (\> 5 hours per week) with normal energy availability (\> 30 kcal/per kg of lean mass).
* Informed consent signed.
Group V:
* No signs or symptoms of hyperandrogenism.
* No exercise or mild intensity physical activity.
* Regular menses.
* Body mass index between 18.5 and 40.0 kg/m2.
* Informed consent signed.
Exclusion Criteria
* Current pregnancy or lactation, or during the previous 6 months to study inclusion.
* Asherman's syndrome or outflow tract disorders.
* Current smoking or alcohol intake \> 40 g per day.
* Previous diagnosis of glucose intolerance, hypertension, dyslipidemia, known heart or lung diseases, kidney disease, liver disease, celiac disease or any other malabsorptive condition, chronic inflammatory disease or malignancy.
18 Years
40 Years
FEMALE
Yes
Sponsors
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Instituto de Salud Carlos III
OTHER_GOV
University of Alcala
OTHER
Fundacion para la Investigacion Biomedica del Hospital Universitario Ramon y Cajal
OTHER
Responsible Party
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Principal Investigators
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Héctor F Escobar-Morreale, PhD, MD
Role: PRINCIPAL_INVESTIGATOR
Diabetes, Obesity and Human Reproduction Research Group (CIBERDEM), Department of Endocrinology and Nutrition, Hospital Universitario Ramón y Cajal, Universidad de Alcalá, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
Manuel Luque-RamÃrez, PhD, MD
Role: PRINCIPAL_INVESTIGATOR
Diabetes, Obesity and Human Reproduction Research Group (CIBERDEM), Department of Endocrinology and Nutrition, Hospital Universitario Ramón y Cajal, Universidad de Alcalá, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
Locations
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Endocrinology and Nutrition
Madrid, Madrid, Spain
Countries
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Central Contacts
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Facility Contacts
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References
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Ortiz-Flores AE, Luque-Ramirez M, Fernandez-Duran E, Alvarez-Blasco F, Escobar-Morreale HF. Diagnosis of disorders of glucose tolerance in women with polycystic ovary syndrome (PCOS) at a tertiary care center: fasting plasma glucose or oral glucose tolerance test? Metabolism. 2019 Apr;93:86-92. doi: 10.1016/j.metabol.2019.01.015. Epub 2019 Jan 30.
Luque-Ramirez M, Jimenez-Mendiguchia L, Garcia-Cano A, Fernandez-Duran E, de Dios Rosa V, Nattero-Chavez L, Ortiz-Flores AE, Escobar-Morreale HF. Certified testosterone immunoassays for hyperandrogenaemia. Eur J Clin Invest. 2018 Dec;48(12):e13029. doi: 10.1111/eci.13029. Epub 2018 Oct 8.
Insenser M, Murri M, Del Campo R, Martinez-Garcia MA, Fernandez-Duran E, Escobar-Morreale HF. Gut Microbiota and the Polycystic Ovary Syndrome: Influence of Sex, Sex Hormones, and Obesity. J Clin Endocrinol Metab. 2018 Jul 1;103(7):2552-2562. doi: 10.1210/jc.2017-02799.
Escobar-Morreale HF. Polycystic ovary syndrome: definition, aetiology, diagnosis and treatment. Nat Rev Endocrinol. 2018 May;14(5):270-284. doi: 10.1038/nrendo.2018.24. Epub 2018 Mar 23.
Escobar-Morreale HF. The Role of Androgen Excess in Metabolic Dysfunction in Women : Androgen Excess and Female Metabolic Dysfunction. Adv Exp Med Biol. 2017;1043:597-608. doi: 10.1007/978-3-319-70178-3_26.
Montes-Nieto R, Insenser M, Murri M, Fernandez-Duran E, Ojeda-Ojeda M, Martinez-Garcia MA, Luque-Ramirez M, Escobar-Morreale HF. Plasma thiobarbituric acid reactive substances (TBARS) in young adults: Obesity increases fasting levels only in men whereas glucose ingestion, and not protein or lipid intake, increases postprandial concentrations regardless of sex and obesity. Mol Nutr Food Res. 2017 Nov;61(11). doi: 10.1002/mnfr.201700425. Epub 2017 Aug 29.
Escobar-Morreale HF, Martinez-Garcia MA, Montes-Nieto R, Fernandez-Duran E, Temprano-Carazo S, Luque-Ramirez M. Effects of glucose ingestion on circulating inflammatory mediators: Influence of sex and weight excess. Clin Nutr. 2017 Apr;36(2):522-529. doi: 10.1016/j.clnu.2016.01.015. Epub 2016 Jan 29.
Insenser M, Montes-Nieto R, Martinez-Garcia MA, Escobar-Morreale HF. A nontargeted study of muscle proteome in severely obese women with androgen excess compared with severely obese men and nonhyperandrogenic women. Eur J Endocrinol. 2016 Mar;174(3):389-98. doi: 10.1530/EJE-15-0912. Epub 2015 Dec 15.
Borruel S, Molto JF, Alpanes M, Fernandez-Duran E, Alvarez-Blasco F, Luque-Ramirez M, Escobar-Morreale HF. Surrogate markers of visceral adiposity in young adults: waist circumference and body mass index are more accurate than waist hip ratio, model of adipose distribution and visceral adiposity index. PLoS One. 2014 Dec 5;9(12):e114112. doi: 10.1371/journal.pone.0114112. eCollection 2014.
Luque-Ramirez M, Escobar-Morreale HF. Polycystic ovary syndrome as a paradigm for prehypertension, prediabetes, and preobesity. Curr Hypertens Rep. 2014 Dec;16(12):500. doi: 10.1007/s11906-014-0500-6.
Escobar-Morreale HF, Alvarez-Blasco F, Botella-Carretero JI, Luque-Ramirez M. The striking similarities in the metabolic associations of female androgen excess and male androgen deficiency. Hum Reprod. 2014 Oct 10;29(10):2083-91. doi: 10.1093/humrep/deu198. Epub 2014 Aug 7.
Murri M, Insenser M, Luque M, Tinahones FJ, Escobar-Morreale HF. Proteomic analysis of adipose tissue: informing diabetes research. Expert Rev Proteomics. 2014 Aug;11(4):491-502. doi: 10.1586/14789450.2014.903158. Epub 2014 Mar 31.
Murri M, Insenser M, Escobar-Morreale HF. Metabolomics in polycystic ovary syndrome. Clin Chim Acta. 2014 Feb 15;429:181-8. doi: 10.1016/j.cca.2013.12.018. Epub 2013 Dec 22.
Luque-Ramirez M, Marti D, Fernandez-Duran E, Alpanes M, Alvarez-Blasco F, Escobar-Morreale HF. Office blood pressure, ambulatory blood pressure monitoring, and echocardiographic abnormalities in women with polycystic ovary syndrome: role of obesity and androgen excess. Hypertension. 2014 Mar;63(3):624-9. doi: 10.1161/HYPERTENSIONAHA.113.02468. Epub 2013 Dec 9.
Escobar-Morreale HF. Reproductive endocrinology: Menstrual dysfunction--a proxy for insulin resistance in PCOS? Nat Rev Endocrinol. 2014 Jan;10(1):10-1. doi: 10.1038/nrendo.2013.232. Epub 2013 Nov 26. No abstract available.
Insenser M, Escobar-Morreale HF. Proteomics and polycystic ovary syndrome. Expert Rev Proteomics. 2013 Oct;10(5):435-47. doi: 10.1586/14789450.2013.837665. Epub 2013 Oct 3.
Murri M, Insenser M, Bernal-Lopez MR, Perez-Martinez P, Escobar-Morreale HF, Tinahones FJ. Proteomic analysis of visceral adipose tissue in pre-obese patients with type 2 diabetes. Mol Cell Endocrinol. 2013 Aug 25;376(1-2):99-106. doi: 10.1016/j.mce.2013.06.010. Epub 2013 Jun 18.
Luque-Ramirez M, Martinez-Garcia MA, Montes-Nieto R, Fernandez-Duran E, Insenser M, Alpanes M, Escobar-Morreale HF. Sexual dimorphism in adipose tissue function as evidenced by circulating adipokine concentrations in the fasting state and after an oral glucose challenge. Hum Reprod. 2013 Jul;28(7):1908-18. doi: 10.1093/humrep/det097. Epub 2013 Apr 4.
Insenser M, Montes-Nieto R, Murri M, Escobar-Morreale HF. Proteomic and metabolomic approaches to the study of polycystic ovary syndrome. Mol Cell Endocrinol. 2013 May 6;370(1-2):65-77. doi: 10.1016/j.mce.2013.02.009. Epub 2013 Feb 17.
Borruel S, Fernandez-Duran E, Alpanes M, Marti D, Alvarez-Blasco F, Luque-Ramirez M, Escobar-Morreale HF. Global adiposity and thickness of intraperitoneal and mesenteric adipose tissue depots are increased in women with polycystic ovary syndrome (PCOS). J Clin Endocrinol Metab. 2013 Mar;98(3):1254-63. doi: 10.1210/jc.2012-3698. Epub 2013 Feb 5.
Montes-Nieto R, Insenser M, Martinez-Garcia MA, Escobar-Morreale HF. A nontargeted proteomic study of the influence of androgen excess on human visceral and subcutaneous adipose tissue proteomes. J Clin Endocrinol Metab. 2013 Mar;98(3):E576-85. doi: 10.1210/jc.2012-3438. Epub 2013 Jan 24.
Alvarez-Blasco F, Luque-Ramirez M, Escobar-Morreale HF. Diet composition and physical activity in overweight and obese premenopausal women with or without polycystic ovary syndrome. Gynecol Endocrinol. 2011 Dec;27(12):978-81. doi: 10.3109/09513590.2011.579658. Epub 2011 May 24.
Insenser M, Escobar-Morreale HF. Application of proteomics to the study of polycystic ovary syndrome. J Endocrinol Invest. 2011 Dec;34(11):869-75. doi: 10.3275/8108. Epub 2011 Nov 21.
Escobar-Morreale HF, Samino S, Insenser M, Vinaixa M, Luque-Ramirez M, Lasuncion MA, Correig X. Metabolic heterogeneity in polycystic ovary syndrome is determined by obesity: plasma metabolomic approach using GC-MS. Clin Chem. 2012 Jun;58(6):999-1009. doi: 10.1373/clinchem.2011.176396. Epub 2012 Mar 16.
Insenser M, Montes-Nieto R, Vilarrasa N, Lecube A, Simo R, Vendrell J, Escobar-Morreale HF. A nontargeted proteomic approach to the study of visceral and subcutaneous adipose tissue in human obesity. Mol Cell Endocrinol. 2012 Nov 5;363(1-2):10-9. doi: 10.1016/j.mce.2012.07.001. Epub 2012 Jul 14.
Murri M, Luque-Ramirez M, Insenser M, Ojeda-Ojeda M, Escobar-Morreale HF. Circulating markers of oxidative stress and polycystic ovary syndrome (PCOS): a systematic review and meta-analysis. Hum Reprod Update. 2013 May-Jun;19(3):268-88. doi: 10.1093/humupd/dms059. Epub 2013 Jan 9.
Martinez-Garcia MA, Montes-Nieto R, Fernandez-Duran E, Insenser M, Luque-Ramirez M, Escobar-Morreale HF. Evidence for masculinization of adipokine gene expression in visceral and subcutaneous adipose tissue of obese women with polycystic ovary syndrome (PCOS). J Clin Endocrinol Metab. 2013 Feb;98(2):E388-96. doi: 10.1210/jc.2012-3414. Epub 2013 Jan 21.
Other Identifiers
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PI18/01122
Identifier Type: -
Identifier Source: org_study_id
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