Clinical trials: Calcium Metabolism Disorders
Type 1 Diabetes Mellitus, Hypercalciuria
Safety and Efficacy of Chlorthalidone in Type 1 Diabetes
This open-label study will determine if chlorthalidone is safe and effective for the use of reducing urinary calcium excretion over 4 weeks in subjects with type 1 diabetes
- Trial name
- NCT03325114
- Testing
- Chlorthalidone
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- University of Rochester
Post-COVID-19 Condition, Ulcerative Colitis
Emerging Indications for Hyperbaric Oxygen Treatment
This study will evaluate the effectiveness of hyperbaric oxygen therapy (HBOT) on treating emerging indications (i.e., conditions that have shown to potentially benefit from HBOT) using the Multicenter Registry for Hyperbaric…
- Conditions
- Post-COVID-19 Condition, Ulcerative Colitis, Crohn Disease, Calciphylaxis
- Trial name
- NCT07240649
- Testing
- Hyperbaric oxygen treatment (HBOT), 100% Oxygen
- Volunteers
- 100 people
- Sponsor
- Jay C. Buckey Jr.
Idiopathic Infantile Hypercalcaemia - Severe Form, Genetic Disease
Rifampin in CYP24A1-related Hypercalcemia and Hypercalciuria
This study evaluates the efficacy of rifampin in the treatment of hypercalcemia and/or hypercalciuria in participants with at least one inactivating mutation of the CYP24A1 gene.
- Conditions
- Idiopathic Infantile Hypercalcaemia - Severe Form, Genetic Disease, Hypercalcemia, Idiopathic, of Infancy, Hypercalciuric Hypercalcemia
- Trial name
- RICHH (NCT03301038)
- Testing
- Rifampin
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Children's Hospital of Philadelphia
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
Osteoporosis
Building Better Bones in Children
Calcium is important for healthy bone growth in children. Poor bone growth and development during childhood can lead to osteoporosis later in life.
- Trial name
- NCT00063037
- Testing
- Behavioral modification - nutrition education
- Where
- United States
- Volunteers
- 139 people, healthy volunteers welcome
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Stunting, Obesity
Effects of Probiotics and Calcium Supplementation on Growth, Development, and Metabolic Parameters
Stunting is still a major problem in developing countries, including Indonesia, and has been associated with impaired development. Stunted children have also a higher risk of metabolic syndrome in adulthood.
- Conditions
- Stunting, Obesity, Cognitive Function 1, Social, Depression
- Trial name
- PROBIOCAL (NCT04046289)
- Testing
- Low Calcium Milk, Regular Calcium Milk, Probiotic 1
- Where
- Indonesia
- Volunteers
- 238 people
- Sponsor
- Universitas Indonesia
Hypophosphatemia, X-linked Hypophosphatemia
FGF23 and Angiotensin-(1-7) in Hypophosphatemia (GAP)
Hereditary hypophosphatemia encompasses rare genetic conditions characterized by renal phosphate wasting. Increased circulating levels of fibroblast growth factor 23 (FGF23), a key regulator of phosphorus metabolism, are critical…
- Conditions
- Hypophosphatemia, X-linked Hypophosphatemia, Renin-angiotensin System, Left Ventricular Hypertrophy
- Trial name
- GAP (NCT03489993)
- Testing
- Ang II and Ang-(1-7), FGF23 and klotho
- Where
- United States
- Volunteers
- 8 people
- Sponsor
- Wake Forest University Health Sciences
Cardiovascular Diseases, Heart Diseases
Calcium Intake, Metabolism, and Gestational Blood Pressure
To determine if low dietary calcium intake and disturbances in maternal calcium metabolism were associated with increases in blood pressure in late pregnancy.
- Trial name
- NCT00005206
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Bone Turnover Rate Disorder, Calcium Metabolism Disorders
Effects of Lansoprazole on Bone Turnover Markers
Use of proton pump inhibitors (PPI) has increased in recent years. There are concerns that PPIs have possible negative effects on bone metabolism.
- Trial name
- NCT04814316
- Testing
- Blood and urine specimens
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Ataturk University
Parathyroid Cancer, Primary Hyperparathyroidism
Natural History Study of Parathyroid Disorders
Background: Parathyroid disorders are very common in the general population and include disorders of parathyroid excess, deficiency, or defects in parathyroid hormone (PTH) signaling.
- Conditions
- Parathyroid Cancer, Primary Hyperparathyroidism, Pseudohypoparathyroidism, Inheritable Bone Diseases
- Trial name
- NCT04969926
- Where
- United States
- Volunteers
- 3,000 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Hypophosphatemic Rickets
Milk Products in the Treatment of Hypophosphatemic Rickets
The aim of this study was to investigate the feasibility and efficacy of a high intake of milk and/or cheese products compared to phosphate tablets in patients with hypophosphatemic rickets when evaluating the S-phosphate levels…
- Trial name
- NCT03348644
- Testing
- Phosphate tablets., High cheese intake., High milk intake.
- Where
- Denmark
- Volunteers
- 7 people
- Sponsor
- University of Aarhus
X-linked Hypophosphatemia, Tumor-Induced Osteomalacia
Expanded Access to Burosumab
Individual patient expanded access requests may be considered for patients who have no other treatment options
- Trial name
- NCT03775187
- Testing
- Burosumab
- Sponsor
- Kyowa Kirin Co., Ltd.
Chronic Kidney Diseases, Chronic Kidney Disease-Mineral and Bone Disorder
Chinese CKD-MBD Prevalence Survey (CRISS-MBD)
This is a multi-center cross sectional epidemiological study. The purpose of this study is to investigate the prevalence of Chronic Kidney Disease-Mineral and Bone Disorder (CKD-MBD) in Chinese population.
- Trial name
- NCT04714918
- Where
- 40 sites in China
- Volunteers
- 10,254 people
- Sponsor
- Limeng Chen
Vitamin D Deficiency
Effects of Vitamin D Dose and Genotype of the Binding Protein in Infants and Children
The purpose of this study is to determine if the vitamin D binding protein genotype influences circulating vitamin D levels and if it may have functional consequences on vitamin D activity.
- Trial name
- VitaD (NCT01050387)
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 193 people, healthy volunteers welcome
- Sponsor
- Yale University
Primary Hyperoxaluria, Nephrocalcinosis
International Registry for Primary Hyperoxaluria
The purpose of this study is to collect medical information from a large number of patients in many areas of the world with primary hyperoxaluria.
- Conditions
- Primary Hyperoxaluria, Nephrocalcinosis, Kidney Stones
- Trial name
- NCT00875823
- Where
- 4 sites in United States
- Sponsor
- Mayo Clinic
X-Linked Hypophosphatemia
A Study to Describe the Lived Experience of XLH for Adolescents at End of Skeletal Growth
An observational, prospective, mixed-methods study involving the integration of quantitative and qualitative data exploring the lived experience of burosumab-treated adolescents with XLH at the end of skeletal growth.
- Trial name
- NCT05181839
- Testing
- Burosumab
- Where
- 14 sites in France, Germany and 3 more
- Volunteers
- 25 people
- Sponsor
- Kyowa Kirin Pharmaceutical Development Ltd
Osteoporosis
CR9112792, a Follow-up of Study CR9108963
The purpose of this study is to determine whether bone mineral density has increased in a subgroup of postmenopausal osteoporotic women from study CR9108963, between 6 and 12 months following cessation of ronacaleret therapy.
- Trial name
- NCT00891553
- Testing
- DXA
- Where
- 3 sites in Denmark, Norway
- Volunteers
- 171 people
- Sponsor
- GlaxoSmithKline
Tumor Induced Osteomalcia, Osteomalacia
A Natural History Study of Bone and Mineral Disorders
This study has four objectives: 1) to provide investigators the opportunity to study bone specimens from patients with various skeletal diseases; 2) to treat patients with skeletal diseases at the NIH; 3) to expose NIH trainees…
- Conditions
- Tumor Induced Osteomalcia, Osteomalacia, Familial Tumoral Calcinosis
- Trial name
- NCT00024804
- Where
- United States
- Volunteers
- 1,000 people
- Sponsor
- National Institute of Dental and Craniofacial Research (NIDCR)
Nutritional Rickets
Vitamin D and Genetics in Nutritional Rickets
The purpose of this study is: 1. To compare the response of rickets to calcium with and without vitamin D. 2. To assess whether vitamin D increases calcium absorption in calcium deficiency rickets. 3.
- Trial name
- NCT00949832
- Testing
- Vitamin D + Calcium, Calcium, Vitamin D2
- Where
- Nigeria
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Hypophosphatemia, Hypophosphatemic Rickets
Open Label Trial Assessing Safety and Efficacy of Burosumab (KRN23), in a Patient With ENS and Hypophosphatemic Rickets
A 52 week, open label trial to assess the safety and efficacy of KRN23, an investigational antibody to FGF23, in a single pediatric patient with Epidermal Nevus Syndrome(ENS) and associated hypophosphatemic rickets A 26 weeks…
- Conditions
- Hypophosphatemia, Hypophosphatemic Rickets, Pain, Chronic
- Trial name
- NCT03581591
- Testing
- Burosumab
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Redwood Dermatology Sciences