Clinical trials: Disorders of Calcium and Bone Metabolism
Osteoporosis
4-Week Study to Assess the Effect of Alendronate and Vitamin D3 Once Weekly on Fractional Calcium Absorption in Postmenopausal Osteoporotic Women (0217A-230)
To compare change in fractional calcium absorption following administration of MK0217A relative to matching placebo, in postmenopausal women with osteoporosis
- Trial name
- NCT00641771
- Testing
- alendronate sodium (+) cholecalciferol
- Volunteers
- 56 people
- Sponsor
- Organon and Co
X-linked Hypophosphatemia (XLH)
Study to Assess the Safety, Pharmacokinetics and Efficacy of KRN23 in Pediatric Chinese Patients With XLH
The purpose of this study is to assess the safety, pharmacokinetics and efficacy of KRN23 in pediatric Chinese patients with XLH
- Trial name
- NCT04842032
- Testing
- KRN23
- Where
- 5 sites in China
- Volunteers
- 28 people
- Sponsor
- Kyowa Kirin Co., Ltd.
Post Menopausal Osteoporosis
Evaluation of Adherence With Bisphosphonates and Calcium and Vitamin D Supplements in Women With Postmenopausal Osteoporosis
This study aims to evaluate the adherence of patients to combined treatment with bisphosphonates and calcium and vitamin D supplements, which is one of the usual treatments for postmenopausal osteoporosis.
- Trial name
- OSTEOAD (NCT07105163)
- Where
- 20 sites in Spain
- Volunteers
- 230 people
- Sponsor
- Procare Health Iberia S.L.
Osteoporosis
The Effect of Protein on Calcium Absorption and Gastric Acid Production
We have established that dietary protein is an important regulator of intestinal calcium absorption in humans. However, we do not understand the mechanism by which dietary protein is affecting calcium absorption.
- Trial name
- NCT00719160
- Testing
- esomeprazole
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Yale University
Healthy
Study Comparing Two Isoforms of Vitamin D Supplements for Infants
There are two different types of vitamin D - vitamin D3 (animal source) and vitamin D2 (plant source). Almost all the usual vitamin D preparations for infants available in Canadian pharmacies contain vitamin D3 which may not be…
- Trial name
- NCT01190137
- Testing
- Cholecalciferol (D3) or ergocalciferol (D2)
- Where
- Canada
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- McGill University
Crohn's Disease, Low Bone Mineral Density
Risedronate Therapy in the Treatment of Low Bone Mineral Density in Crohn's Disease
The occurrence of bone loss in Crohn's disease patients is an important clinical problem for both patients with and without active disease.
- Trial name
- NCT01215890
- Testing
- risedronate
- Where
- Canada
- Sponsor
- University of Alberta
Renal Failure, Kidney Donors
BOne Dysfunction in Donor NEphrectomieS
Most dialysis patients die from vascular disease, which is statistically associated with changes related to chronic kidney disease associated mineral bone disorder (CKD-MBD)3-9.
- Trial name
- BONES (NCT04674397)
- Testing
- Radioisotope GFR test
- Where
- United Kingdom
- Volunteers
- 34 people
- Sponsor
- Manchester University NHS Foundation Trust
Hematological Malignancies
Prevention of Osteoporosis in Bone Marrow Transplantation (BMT) Patients
The goal of this clinical research study is to see if ibandronate can help to slow the rate of bone loss that may occur in patients who have received a bone marrow transplant for blood cancer.
- Trial name
- NCT00824993
- Testing
- Ibandronate, Vitamin Supplements
- Where
- United States
- Volunteers
- 78 people
- Sponsor
- M.D. Anderson Cancer Center
Hypophosphatemia, Familial, Hyperparathyroidism
Effectiveness of Paricalcitol in Reducing Parathyroid Hormone (PTH) Levels in X-linked Hypophosphatemic Rickets
The purpose of this study is to determine the effectiveness of paricalcitol, a form of synthetic vitamin D, in lowering parathyroid hormone (PTH) levels and reducing disease symptoms in children and adults with X-linked…
- Trial name
- NCT00417612
- Testing
- Paricalcitol
- Where
- United States
- Volunteers
- 33 people
- Sponsor
- Yale University
Osteoporosis, Postmenopausal
Switching From Oral Bisphosphonates to Bazedoxifene to Evaluate Effects on Bone Mineral Density in Postmenopausal Women
The aim of this study is see the changes in bone mineral density after discontinuation or stop the use of bisphosphonates and make the switch to bazedoxifene).
- Trial name
- NCT02090400
- Testing
- Bazedoxifene, Calcium/Vit D
- Where
- 3 sites in Spain
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Instituto Palacios
Osteoporosis
A Study to Assess Safety and Efficacy of Odanacatib (MK-0822) in Men With Osteoporosis (MK-0822-053)
The purpose of this study is to test the hypothesis that treatment with odanacatib will result in increased bone mineral density (BMD) compared to treatment with placebo.
- Trial name
- NCT01120600
- Testing
- Odanacatib, Vitamin D3, Calcium carbonate
- Volunteers
- 294 people
- Sponsor
- Merck Sharp & Dohme LLC
Pseudohypoparathyroidism, Growth Hormone Deficiency, Dwarfism
Evaluation of rhGH Replacement Therapy in Patients With Pseudohypoparathyroidism Type Ia (PHP Ia)
We have recently demonstrated resistance to GHRH leading to GH deficiency in patients with Pseudohypoparathyroidism type Ia (Mantovani et al., J Clin Endocrinol Metab, 2003. 88: 4070-4074).
- Trial name
- NCT00497484
- Testing
- recombinant human somatotropin
- Where
- Italy
- Sponsor
- University of Milan
X-linked Hypophosphatemia (XLH)
Prevention of Spontaneous Dental Abscesses in Children With X-linked Hypophosphatemia : a RCT
This study is a prospective, randomized, single-blind, split-mouth, national multicenter trial, comparing the efficacy of a self-etch adhesive system combined (SAM) with a flowable composite to that of a fluoride varnish for the…
- Trial name
- PRADEX (NCT04872907)
- Testing
- adhesive system, fluoride varnish, flowable composite
- Volunteers
- 60 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Chronic Kidney Diseases, Osteodystrophy
Effect of Allopurinol on Markers of Mineral and Bone Metabolism
Hyperuricemia is a common condition in patients with chronic kidney disease (CKD) in the glomerular filtration rate. Recently, it has been suggested that uric acid is related to a mineral and bone disease of CKD (CKD-MBD) since…
- Conditions
- Chronic Kidney Diseases, Osteodystrophy, Uric Acid Concentration, Serum, Quantitative Trait Locus 7
- Trial name
- NCT05601271
- Testing
- Allopurinol
- Where
- Brazil
- Volunteers
- 50 people
- Sponsor
- University of Sao Paulo General Hospital
Unspecified Disorder of Bone Density and Structure
Mg Induced Changes From Day 0 to Day 28 on Serum and Urine Bone Metabolic Parameters in 70 y Old Females (no 50).
Calcium and vitamin D substitution has for a long time been used to improve osteoporosis.The main storage place for magnesium is in the bone.
- Trial name
- parathormon (NCT02549521)
- Testing
- Oral magnesium substitution
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Oslo University Hospital
Chronic Kidney Disease-Mineral and Bone Disorder
Relationship Between Serum 1,25-dihydroxy Vitamin D and Markers of Bone Metabolism in Renal Dysfunction Patients
This cross-sectional study was conducted, including those subjects tested for 1,25(OH)2D during Jan 2015-Dec 2021. Estimated glomerular filtration rate (eGFR) was calculated and subjects were classified into chronic kidney…
- Trial name
- NCT05399251
- Volunteers
- 1,553 people
- Sponsor
- Aga Khan University Hospital, Pakistan
Idiopathic Hypoparathyroidism, Autosomal Dominant Hypocalcaemia
Characterization of Patients With Non-surgical Hypoparathyroidism and Pseudohypoparathyroidism
Hypoparathyroidism (hypoPT) and pseudohypoparathyroidism (Ps-hypoPT) are rare diseases, characterized by low levels of parathyroid hormone [PTH] and plasma calcium or high plasma PTH and low plasma calcium, respectively.
- Conditions
- Idiopathic Hypoparathyroidism, Autosomal Dominant Hypocalcaemia, Pseudohypoparathyroidism
- Trial name
- NCT02551120
- Where
- Denmark
- Volunteers
- 100 people
- Sponsor
- University of Aarhus
Pseudohypoparathyroidism Type 1A, Albright Hereditary Osteodystrophy
Energy Expenditure and Body Composition in Pseudohypoparathyroidism 1a
The investigators would like to learn more about the metabolic consequences of pseudohypoparathyroidism type 1a in children, adolescents and adults with this condition.
- Trial name
- NCT01398774
- Where
- United States
- Volunteers
- 519 people, healthy volunteers welcome
- Sponsor
- Children's Hospital of Philadelphia
Vitamin D Deficiency, Malnutrition
Optimizing Treatment Programs for Chronic Kidney Disease-mineral and Bone Disorder and Malnutrition
Multi-center, prospective, randomized, controlled study to verify the clinical effectiveness of K / DOQI guidelines. The efficiency and safety of Vitamin D2 and low protein diet treatment for prevention and treatment of CKD-MBD…
- Trial name
- NCT02005302
- Testing
- 1,25(OH)2 Vitamin D3, Vitamin D2, low protein diet
- Where
- 5 sites in China
- Volunteers
- 600 people
- Sponsor
- Wenhu Liu
CKD-MBD - Chronic Kidney Disease Mineral and Bone Disorder, Secondary Hyperparathyroidism
The Longitudinal PTH-Study
The main study aim is to quantify the agreement between the analytical results provided by two third generation and two second generation Parathyroid hormone (PTH) assays.
- Conditions
- CKD-MBD - Chronic Kidney Disease Mineral and Bone Disorder, Secondary Hyperparathyroidism, Kidney Replacement
- Trial name
- NCT03464149
- Testing
- One armed study, blood from each patient is analysed by four assays ( two 3rd generation and two 2nd generation assays)
- Where
- Austria
- Volunteers
- 132 people
- Sponsor
- Medical University of Vienna