Clinical trials: Dietary Calcium Deficiency
Hypocalcemia, Hypovitaminosis D
Calcium and Vitamin D Intakes in Children
Calcium (Ca2+) and vitamin D (VitD) play an important role in child health. Aims. The investigators evaluated the daily intake of Ca2+ and VitD in healthy children; and the efficacy of Ca2+ and VitD supplementation.
- Trial name
- NCT01638494
- Testing
- Colecalcium supplement
- Volunteers
- 184 people
- Sponsor
- Federico II University
Rothmund-Thomson Syndrome
Calcium Absorption in Patients With Rothmund-Thomson Syndrome
Osteosarcoma is the most common malignant bone tumor in children and adolescents. Because cure rates for osteosarcoma have remained stagnant for the past several decades despite numerous trials of chemotherapy agents, novel…
- Trial name
- NCT01304407
- Testing
- Calcium stable isotope
- Where
- United States
- Volunteers
- 29 people
- Sponsor
- Baylor College of Medicine
Vitamin D Deficiency
Utility of a Urine Screening Tool for Vitamin D Deficiency in Infants and Toddlers
Background: Vitamin D plays a key role in calcium absorption in the gut and in skeletal development. Vitamin D deficiency is common, affecting an estimated one billion people worldwide, including developed countries.
- Trial name
- NCT01105689
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Nemours Children's Clinic
Hypophosphatasia (HPP)
Safety and Efficacy of Asfotase Alfa in Juvenile Patients With Hypophosphatasia (HPP)
This clinical trial studied the safety and efficacy of asfotase alfa in children with HPP compared to a historical control group.
- Trial name
- NCT00952484
- Testing
- asfotase alfa
- Where
- 2 sites in United States, Canada
- Volunteers
- 13 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
Renal Osteodystrophy, End Stage Renal Disease
Phase II Randomized Study of the Effects of Growth Hormone on Children and Adolescents on Maintenance Dialysis
OBJECTIVES: I. Evaluate the separate and combined skeletal effects of recombinant human growth hormone (GH) and calcitriol in patients with adynamic renal osteodystrophy. II.
- Trial name
- NCT00004340
- Testing
- calcitriol, growth hormone
- Where
- United States
- Volunteers
- 109 people
- Sponsor
- National Center for Research Resources (NCRR)
X-linked Hypophosphatemia
X-linked Hypophosphatemia and FGF21
Fibroblast Growth Factor 23 and Fibroblast Growth Factor 21 are two endocrine Fibroblast Growth Factors, requiring Klotho as a co-factor to promote their systemic actions.
- Trial name
- XLH 21 (NCT03596554)
- Testing
- Descriptive study
- Where
- 3 sites in France
- Volunteers
- 39 people
- Sponsor
- Hospices Civils de Lyon
X-linked Hypophosphatemia, Hypophosphatemic Rickets
Calcitriol Monotherapy for X-Linked Hypophosphatemia
Children and adults with XLH recruited will be treated with calcitriol alone (without phosphate supplementation) for one year, during which the calcitriol dose will be escalated during the first 3 months of therapy.
- Conditions
- X-linked Hypophosphatemia, Hypophosphatemic Rickets, Hypophosphatemic Rickets, X-Linked Dominant
- Trial name
- NCT03748966
- Testing
- Calcitriol
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- Massachusetts General Hospital
Calculi
The Effect of Vitamin D Repletion on Kidney Stone Risk
Examine the effect of nutritional vitamin D repletion on urinary calcium excretion and kidney stone burden in calcium kidney stone formers
- Trial name
- NCT02752841
- Testing
- Nutritional vitamin D repletion and maintenance
- Volunteers
- 20 people
- Sponsor
- Brown University
Primary Hyperparathyroidism, Hypercalcemia
Primary Hyperparathyroidism (PHPT): Early Effect of Vitamin D
Primary hyperparathyroidism (PHPT) is a common disease that occurs in 1 in 10,000 people every year. In the presence of this condition, the parathyroid glands produce excessive amounts of parathyroid hormone (PTH), which…
- Conditions
- Primary Hyperparathyroidism, Hypercalcemia, Vitamin D Deficiency, Osteoporosis
- Trial name
- NCT01329666
- Testing
- Vitamin D3
- Where
- United States
- Sponsor
- Columbia University
Osteoporosis
The Relationship Between the Residual Renal Function and Osteoporosis Treatment
The relationship between osteoporosis drugs and kidney damage is unclear. In this study, we plan to reveal relationship between osteoporosis drugs and kidney damage.
- Trial name
- NCT02304887
- Testing
- Bis, SERM Teriparatide, Denosumab
- Where
- Japan
- Volunteers
- 1,000 people
- Sponsor
- Toshihiko Kono
Hypocalcemia, Rickets
Studies With 1,25-Dihydroxycholecalciferol
Vitamin D in the diet undergoes changes in the liver and kidneys to several forms. Patients suffering from disorders with Vitamin D resistance are unable to absorb calcium from food.
- Trial name
- NCT00001151
- Testing
- 1,25-Dihydroxycholecalciferol
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Vitamin D Deficiency, Iodine Deficiency
Vitamin D, Iodine, and Lead Levels in Haitian Infants and Children.
Vitamin D deficiency is common worldwide, including in infants and children, and rickets remains a public health concern in many developing countries.
- Conditions
- Vitamin D Deficiency, Iodine Deficiency, Hypothyroidism, Rickets
- Trial name
- Haiti (NCT02301520)
- Where
- 2 sites in Haiti
- Volunteers
- 299 people, healthy volunteers welcome
- Sponsor
- Boston Children's Hospital
Secondary Hyperparathyroidism, Chronic Kidney Disease Mineral and Bone Disorder
Impact of Parathyroidectomy on Cardiovascular Calcification in Dialysis-dependent Patients
This is a prospective cohort study aimed to evaluate change of cardiovascular calcification after parathyroidectomy in patients with end-stage renal disease on dialysis compared with control group on conservative treatment.
- Conditions
- Secondary Hyperparathyroidism, Chronic Kidney Disease Mineral and Bone Disorder, Vascular Calcification, Dialysis
- Trial name
- NCT03937349
- Where
- Russia
- Volunteers
- 63 people
- Sponsor
- Saint Petersburg State University, Russia
Metastatic Biliary Tract Carcinoma, Metastatic Colorectal Carcinoma
Liposomal Irinotecan, Fluorouracil, Leucovorin Calcium, and Rucaparib in Treating Patients With Metastatic Pancreatic, Colorectal, Gastroesophageal, or Biliary Cancer
This phase I/II trial studies the side effects and best dose of liposomal irinotecan and rucaparib when given together with fluorouracil and leucovorin calcium and to see how well they work in treating patients with pancreatic…
- Conditions
- Metastatic Biliary Tract Carcinoma, Metastatic Colorectal Carcinoma, Metastatic Gastroesophageal Junction Adenocarcinoma, Metastatic Malignant Digestive System Neoplasm
- Trial name
- NCT03337087
- Testing
- Fluorouracil, Irinotecan Sucrosofate, Laboratory Biomarker Analysis
- Where
- 3 sites in United States
- Volunteers
- 18 people
- Sponsor
- Academic and Community Cancer Research United
Hypophosphatasia
Safety and Efficacy Study of ENB-0040 in Juvenile Patients With Hypophosphatasia (HPP)
This Clinical Trial is being conducted to study Hypophosphatasia (HPP), a bone disorder caused by gene mutations or changes. These gene mutations cause low levels of an enzyme needed to harden bone.
- Trial name
- NCT00894075
- Testing
- ENB-0040
- Sponsor
- Alexion Pharmaceuticals, Inc.
X-linked Hypophosphatemia
Study of the Anti-FGF23 Antibody, Burosumab, in Adults With XLH
This is phase 3b open-label, international, multicenter study to continue to monitor the long-term safety and efficacy of burosumab in adult patients with XLH that participated in previous clinical trials with burosumab…
- Trial name
- NCT03920072
- Testing
- Burosumab
- Where
- 10 sites in France, Ireland and 2 more
- Volunteers
- 35 people
- Sponsor
- Kyowa Kirin Pharmaceutical Development Ltd
Calcium Deficiency
The Effect of Calcium Intake on Calcium and Bone Metabolism During Load Carriage in Women
This randomised trial will investigate the effect of calcium supplementation on bone and calcium metabolism in women during acute load carriage exercise.
- Trial name
- En-Bone (NCT04823156)
- Testing
- Calcium
- Where
- United Kingdom
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Army Health Branch, British Army
Heart Failure, Vitamin D Deficiency
Vitamin D3 Supplementation for Heart Failure Patients
The purpose of this study is to determine if treatment with vitamin D3 of 10,000 International Units (IU) daily in vitamin D deficient patients for 6 months will improve B type natriuretic peptide (BNP), a marker of heart…
- Conditions
- Heart Failure, Vitamin D Deficiency, Cardiomyopathy, Congestive Heart Failure
- Trial name
- NCT01636570
- Testing
- Vitamin D3 (cholecalciferol)
- Where
- 2 sites in United States
- Volunteers
- 40 people
- Sponsor
- Heidi Moretti, MS, RD
Rickets
Study to Assess the Use of a Simple Lab Test to Screen for Rickets in Children
Some experts recommend that all breastfed babies receive supplemental vitamin D. The purpose of this study is to determine the rate of vitamin D use in breastfed babies, the recommendations of pediatricians regarding vitamin D…
- Trial name
- NCT00502866
- Where
- United States
- Volunteers
- 246 people, healthy volunteers welcome
- Sponsor
- Agency for Healthcare Research and Quality (AHRQ)
Iatrogenic Hypocalcemia, Iatrogenic Hypoparathyroidism
Post-thyroidectomy Vocal Cord Paralysis Along With Hypocalcemia: STROBE - Guided Prospective Cohort
In the present study, the severity of recurrent laryngeal nerve injury (RLNI) and hypocalcemia (H) will be followed-up and the probable interrelation between them will be proposed considering the clinical situation of patients…
- Conditions
- Iatrogenic Hypocalcemia, Iatrogenic Hypoparathyroidism, Vocal Cord Paralysis, Vocal Cord Paresis
- Trial name
- NCT04396912
- Testing
- Total thyroidectomy
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people
- Sponsor
- Umraniye Education and Research Hospital