Clinical trials: Parathyroid Disease
Autism Spectrum Disorders
Social Interactions: Ocular Explorations and Pupillometry in Autism
The primary objective of this work will first to characterize in typical childhood, visual exploratory behavior and pupillary response associated with salience of human social stimuli (faces and body movements), and then to…
- Trial name
- ISEOP (NCT01647295)
- Where
- France
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Institut National de la Santé Et de la Recherche Médicale, France
Primary Hyperparathyroidism, Bone Disease
Bone Architectural Parameters in Postmenopausal Women Affected With Primary Hyperparathyroidism
Bone lesions are frequent in primary hyperparathyroidism (PHPT). Conventional measurement by Dual-Energy X-ray Absorptiometry does not provide enough information about the bone impact of excessive parathyroid hormone (PTH)…
- Trial name
- MicrOs (NCT02539498)
- Testing
- HR-pQCT
- Where
- 3 sites in France
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Bone Health, Nutrition Status
Optimizing Vitamin D Status During Initial Military Training
The primary objective of this randomized, double-blind, placebo-controlled trial is to determine the effect of vitamin D and calcium supplementation (800IU and 2000mg, respectively) on biochemical indicators of nutritional status…
- Trial name
- NCT01617109
- Testing
- Ca/Vit D
- Where
- 2 sites in United States
- Volunteers
- 342 people, healthy volunteers welcome
- Sponsor
- United States Army Research Institute of Environmental Medicine
22q.11.2 Deletion/Duplication
Non-Invasive Chromosomal Evaluation of 22q11.2
This study is being conducted to develop and evaluate a cell-free fetal DNA test (Harmony) for non-invasive prenatal detection of 22q11.2 chromosomal deletion or duplication.
- Trial name
- 22Q (NCT02541058)
- Where
- Belgium
- Volunteers
- 420 people, healthy volunteers welcome
- Sponsor
- Cindy Cisneros
Chronic Kidney Disease Mineral and Bone Disorder
Calcium Balance Studies in Children With CKD and on Dialysis
This is a novel, non-invasive method of assessing Ca balance by natural Ca isotope fractionation.
- Trial name
- Cal-Bal (NCT03285854)
- Testing
- Collection of blood, urine and stool samples
- Where
- United Kingdom
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Great Ormond Street Hospital for Children NHS Foundation Trust
22q11.2 Deletion Syndrome
Understanding of Psychotic Disorders in Children With 22q11.2DS
The study PremiCeS22 will investigate the prodromal signals at the onset of psychotic disorders of children with 22q11.2 deletion syndrome
- Trial name
- PremiCeS22 (NCT04639388)
- Testing
- neuropsychological testing, questionnaires and experimental tasks
- Where
- France
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Hôpital le Vinatier
Hypoparathyroidism
Predicting Risk Factors of Postoperative Hypocalcemia After Total Thyroidectomy
With increasing economic pressures to shorten the length of hospital stay, there has been much recent interest in studying risk factors for the development of postoperative hypocalcemia.
- Trial name
- NCT04372225
- Testing
- analysis of hypocalcemia
- Where
- France
- Volunteers
- 477 people, healthy volunteers welcome
- Sponsor
- Aix Marseille Université
Vitamin-D Insufficiency
Seasonal Variations in Serum 25-hydroxy Vitamin-D Levels in a Swedish Cohort
The purpose of this study was to study seasonal inter-individual and intra-individual variations in S-25(OH)D and to explore parameters associated with S-25-OHD in healthy Swedish adults.
- Trial name
- NCT02136407
- Where
- Sweden
- Volunteers
- 615 people, healthy volunteers welcome
- Sponsor
- Sahlgrenska University Hospital
Chromosome 22q11.2 Deletion Syndrome
Genetics and Psychopathology in the 22q11 Deletion Syndrome
The purposes of this study are to: 1. study the nature and longitudinal course of psychiatric symptoms in children with the 22q11.2 deletion syndrome and 2. identify genes that contribute to the occurrence of these symptoms.
- Trial name
- NCT00161109
- Where
- 2 sites in United States, Netherlands
- Volunteers
- 175 people, healthy volunteers welcome
- Sponsor
- UMC Utrecht
Pulmonary Hypertension
Prognostic Value of Vitamin D and Intact Parathyroid Hormone (iPTH) in Pulmonary Hypertension
The aim of this observational study is to analyse the prognostic value of 25(OH)-vitamin D, iPTH and other serum biomarkers in patients with pulmonary hypertension.
- Trial name
- NBHAP (NCT06872710)
- Volunteers
- 345 people, healthy volunteers welcome
- Sponsor
- Universidad Complutense de Madrid
Familial Hypophosphatemic Rickets
Calcimimetics in Hypophosphatemic Rickets
Currently, large oral doses of phosphate and 1,25(OH)2D (calcitriol) are the standard treatment of patients with familial hypophosphatemic rickets (XLH).
- Trial name
- CHR (NCT00844740)
- Testing
- Cinacalcet
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Children's Mercy Hospital Kansas City
Hypocalcemia, Hypercalcemia
Parathyroid Hormone (PTH) Homeostasis in Bartter Syndrome
Parathyroid hormone (PTH) gland calcium sensing receptor (CASR) regulates PTH secretion. CASR is also expressed in nephron thick ascending limb (TAL).
- Trial name
- NCT01021280
- Where
- Israel
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Soroka University Medical Center
Vitamin D Deficiency
Treatment of Vitamin D Insufficiency
The purpose of this study is to answer the following questions: Does vitamin D increase calcium absorption, bone mass and muscle mass and function in women past menopause who have mildly low vitamin D levels? Do these benefits…
- Trial name
- NCT00933244
- Testing
- High Dose Vitamin D3, Low Dose Vitamin D3
- Where
- United States
- Volunteers
- 230 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Early Childhood Caries, Vitamin D Deficiency
Vitamin D Status With Early Childhood Caries
Studies that give people vitamin D supplements to prevent caries have found that vitamin D is effective at preventing the development of caries.
- Trial name
- NCT03521492
- Testing
- serum vitamin D , calcium , parathyroid hormone and albumin level
- Where
- Saudi Arabia
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Ministry of Health, Saudi Arabia
Pancreatic Cancer, Thymic Cancer
Genetic Evaluation of Families With Endocrine Cancers
This study is being conducted to identify altered genetic factors that may exist and influence endocrine cancers in unrelated MEN1 families with different cancers.
- Conditions
- Pancreatic Cancer, Thymic Cancer, Parathyroid Disease, MEN1 Syndrome
- Trial name
- MEN1 (NCT01794676)
- Testing
- Blood draw
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Jersey Shore University Medical Center
Covid19, Thymic Hypoplasia
Is Thymus Size of Infants Who Born to COVID-19 Positive Mothers Associated With Neonatal Morbidities?
COVID-19 infected pregnant women is thought to have variable degrees of inflammatory response against the disease. Investigators of present study, suggested that fetuses are affected from the possible fetal inflammatory syndrome…
- Trial name
- NCT04470739
- Testing
- chest x-ray
- Where
- Turkey (Türkiye)
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Kanuni Sultan Suleyman Training and Research Hospital
22Q11 Deletion Syndrome
Mindfulness Program for Adolescents With 22q11DS
The goal of this study is to evaluate the effectiveness of the Aware Program, an online mindfulness education program, with adolescents with 22q11DS and their parents.
- Trial name
- NCT05849441
- Testing
- Aware Program
- Where
- United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Innovation Research & Training
Fragile X Syndrome, Angelman Syndrome
Parent and Infant Inter(X)Action Intervention (PIXI)
The objective is to develop and test, through an iterative process, an intervention to address and support the development of infants with a confirmed diagnosis of a neurogenetic disorder with associated developmental delays or…
- Conditions
- Fragile X Syndrome, Angelman Syndrome, Prader-Willi Syndrome, Dup15Q Syndrome
- Trial name
- NCT03836300
- Testing
- Parent-Infant Inter(X)action Intervention (PIXI)
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- RTI International
Obesity
Circulating Levels of Pealbumin in Relation to Overweight or Obesity
The study was aimed to investigating the relationship between circulating level of prealbumin and parathormone (PTH), triglycerides and triiodothyronine (FT3) in overweight and obese subjects (BMI≥25 Kg/m2)
- Trial name
- NCT04333446
- Where
- Italy
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Azienda Ospedaliera Specializzata in Gastroenterologia Saverio de Bellis
22q11.2 Deletion Syndrome
Arithmetic Abilities in Children With 22q11.2DS
The study ARITH22 will investigate the role of visuo-spatial attention on arithmetic abilities of children with 22q11.2 deletion syndrome.
- Trial name
- ARITH22 (NCT04373226)
- Testing
- Magnitude comparison tasks and neuropsychological testing
- Where
- France
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Hôpital le Vinatier