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Leanness clinical trials

View clinical trials related to Leanness.

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NCT ID: NCT04135729 Completed - Weight Loss Clinical Trials

Mental Health in Fitness Instructors

Start date: November 1, 2019
Phase:
Study type: Observational

The aim of this project is to improve the evidence-base regarding lifestyle and mental health symptoms among fitness instructors. A national cohort of fitness instructors will be invited to participate in this study by responding to an online questionnaire. The questionnaire will consist of items regarding exercise, nutrition, eating disorders, the menstrual cycle, depression, anxiety, body dissatisfaction and satisfaction, drive for muscularity and leanness, and experiences of sexual harassment. Findings from this study will provide an evidence-base for initiatives to improve/optimize mental health among fitness instructors, and also in the process of developing fitness centres to a core partner in public health and health promotion work.

NCT ID: NCT02525328 Completed - Thinness Clinical Trials

Genome Study in Constitutional Thinness

GENOSCANN
Start date: October 21, 2010
Phase:
Study type: Observational

Constitutional thinness (CT) is a recently defined entity as a differential diagnosis of anorexia nervosa (AN), considered to be the most frequent cause of low body mass index (BMI) in young women. CT subjects present no AN psychiatric traits, preserved menses, no biological signs of undernutrition and balanced energy metabolism despite a Body Mass Index (BMI) <17 kg / m². CT familial aggregation, low body mass without a hormonal explanation, and specific appetite regulation profile suggest a specific genetic profile in these subjects. Objective: A family linkage study in order to identify genes involved in the constitutional thinness phenotype by using genome wide scan (GWAS) techniques Studied population: Fifty families including at least one well phenotyped CT index case (grade 2 or 3 of thinness according WHO classification). Blood or saliva is sampled for DNA extraction. Perspectives: Revealing eventual abnormalities could lead to a more precise diagnosis of constitutional thinness and new hypothesis in understanding extreme bodyweight mechanisms.

NCT ID: NCT01718080 Completed - Overweight Clinical Trials

The Effects of Puberty and Weight on Sugar Metabolism in Children

Start date: October 2012
Phase: N/A
Study type: Observational

Our goal is to investigate how hormones that control blood sugar, hunger, and stomach emptying change with puberty and being overweight. These substances change with a meal. - For this, we need to compare lean and overweight children. - We need to study them before and during puberty. - All children in the study will be tested before and after a liquid meal.