Clinical trials: Phosphorus and Calcium Disorders
X-linked Hypophosphatemia
A Repeated Study of KRN23 in Adults With X-Linked Hypophosphatemia
The primary purpose of this study is to assess the safety and efficacy of repeated subcutaneous (SC) injections of KRN23 in adult subjects with X-Linked Hypophosphatemia (XLH).
- Trial name
- NCT01340482
- Testing
- KRN23
- Where
- 6 sites in United States, Canada
- Volunteers
- 29 people
- Sponsor
- Kyowa Kirin Co., Ltd.
Osteoporosis, Osteopenia
Adding Phosphorus to Osteoporosis Drug Treatment
Osteoporosis causes bones to weaken and break more easily. Calcium and phosphorus are two minerals that are essential for normal bone formation.
- Trial name
- NCT00074711
- Testing
- Calcium carbonate, Calcium Phosphate
- Where
- United States
- Volunteers
- 241 people
- Sponsor
- Creighton University
Kidney Failure, Secondary Hyperparathyroidism
Management of Mineral and Bone Disease in Hemodialysis-Calcitriol vs. Paricalcitol
The purpose of this non-inferiority study is to compare the safety and effectiveness of a mineral and bone disease treatment protocol based on calcitriol to one based on paricalcitol in hemodialysis patients using revised Kidney…
- Conditions
- Kidney Failure, Secondary Hyperparathyroidism, Hyperphosphatemia, Hypercalcemia
- Trial name
- ECRIP (NCT01725113)
- Testing
- Calcitriol, Paricalcitol
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- Winthrop University Hospital
Secondary Hyperparathyroidism, Chronic Kidney Disease
Trial to Optimize Mineral Outcomes in Dialysis Patients
This trial is designed to determine if the use of a computer algorithm designed to optimize mineral outcomes in dialysis patients increases the number of patients achieving the desired target endpoints for calcium, phosphorus and…
- Trial name
- NCT01100723
- Testing
- Cinacalcet, active vitamin D analogue
- Where
- United States
- Volunteers
- 92 people
- Sponsor
- University of Colorado, Denver
End Stage Renal Disease
Effect of Lanthanum Carbonate in Patients Previously Treated With Calcium-based Phosphate Binder Therapy
To assess the percentage of patients on lanthanum carbonate, that achieve Kidney Disease Outcome Quality Initiative (KDOQI) guideline suggested values for serum phosphorous in patients previously treated with calcium-based…
- Trial name
- NCT01130831
- Testing
- Lanthanum carbonate
- Where
- 31 sites in Germany
- Volunteers
- 66 people
- Sponsor
- Shire
X-Linked Hypophosphatemia
Long-Term Extension Study of KRN23 in Adult Subjects With X-Linked Hypophosphatemia (XLH)
The primary objectives of this study are to: Assess the long-term safety of KRN23 subcutaneous (SC) administration in adult subjects with XLH Assess the proportion of subjects achieving serum phosphorus levels in the normal range…
- Trial name
- NCT02312687
- Testing
- KRN23
- Where
- 5 sites in United States
- Volunteers
- 20 people
- Sponsor
- Kyowa Kirin, Inc.
Chronic Kidney Disease
Equivalence of Calcium Acetate Oral Solution and Sevelamer Carbonate Tablets in Hemodialysis Patients
The purpose of this study is to demonstrate equivalence of calcium acetate oral solution and sevelamer carbonate in maintaining serum phosphorus levels This is a phase IV, multicenter, randomized, open-label, cross-over study to…
- Trial name
- COS-002 (NCT01427907)
- Testing
- Calcium acetate oral solution (COS), Sevelamer carbonate
- Where
- 4 sites in United States
- Volunteers
- 38 people
- Sponsor
- Fresenius Medical Care North America
Chronic Kidney Disease
A Double Blind Randomized Placebo Trial of Maintenance of Normal Serum Phosphorus in CKD
The purpose of this study is to determine the ability of 3 commercially available phosphorus binders (calcium acetate, sevelamer carbonate, and lanthanum carbonate) to achieve and maintain a phosphorus level in the normal range…
- Trial name
- NCT00785629
- Testing
- Calcium acetate, Lanthanum Carbonate, Sevelamer Carbonate
- Where
- United States
- Volunteers
- 148 people
- Sponsor
- Denver Nephrologists, P.C.
X-Linked Hypophosphatemia
Efficacy and Safety of Burosumab Versus Oral Phosphate and Active Vitamin D Treatment in Pediatric Patients With XLH
The primary objective of this study is to evaluate the effect of KRN23 (burosumab) therapy in improving rickets in children with XLH compared with active control (oral phosphate/active vitamin D).
- Trial name
- NCT02915705
- Testing
- burosumab, Oral Phosphate Supplement, active vitamin D
- Where
- 16 sites in United States, Australia and 5 more
- Volunteers
- 61 people
- Sponsor
- Kyowa Kirin, Inc.
Phosphorus and Calcium Disorders, Chronic Kidney Disease Mineral and Bone Disorder
Calcium and Phosphorus Whole-Body Balance and Kinetics in Patients With Moderate Chronic Kidney Disease
This pilot study aims to develop a method for simultaneous whole-body calcium and phosphorus balance and full kinetic modeling of both ions in patients with chronic kidney disease.
- Conditions
- Phosphorus and Calcium Disorders, Chronic Kidney Disease Mineral and Bone Disorder, Chronic Kidney Diseases
- Trial name
- NCT04019379
- Testing
- High Phosphorus Diet, Low Phosphorus Diet
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- University of Minnesota
Chronic Allograft Nephropathy, Chronic Kidney Disease
Treatment of Autonomous Hyperparathyroidism in Post Renal Transplant Recipients
Hyperparathyroidism (HPT) is common in people with a kidney transplant. Patients with HPT often have high parathyroid hormone (PTH) levels and may have large parathyroid glands in the neck.
- Conditions
- Chronic Allograft Nephropathy, Chronic Kidney Disease, Chronic Renal Failure, Disordered Mineral Metabolism
- Trial name
- NCT00975000
- Testing
- Cinacalcet
- Where
- 51 sites in United States, Australia and 9 more
- Volunteers
- 114 people
- Sponsor
- Amgen
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
Hemodialysis, Hyperphosphatemia
A Phase III Study of PA21 With Calcium Carbonate in Hemodialysis Patients With Hyperphosphatemia
The purpose of this study is to investigate the safety and efficacy when administering PA21 with calcium carbonate in hemodialysis patients with hyperphosphatemia for 12 weeks.
- Trial name
- NCT01850641
- Testing
- PA21
- Where
- Japan
- Volunteers
- 35 people
- Sponsor
- Kissei Pharmaceutical Co., Ltd.
X-linked Hypophosphatemia
Examining the Effect of Burosumab on Muscle Function
Patients with X-linked hypophosphatemia (XLH) often report symptoms of fatigue and weakness particularly after exertion, in addition to their skeletal complaints.
- Trial name
- NCT04146935
- Testing
- Burosumab Injection [Crysvita]
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Yale University
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
X-Linked Hypophosphatemia
Study of the Safety, Pharmacodynamics (PD) and Efficacy of KRN23 in Children From 1 to 4 Years Old With X-linked Hypophosphatemia (XLH)
The primary objectives of the study are to: Establish the safety profile of KRN23 for the treatment of XLH in children between 1 and 4 years old Determine the PD effects of KRN23 treatment on serum phosphorus and other PD markers…
- Trial name
- NCT02750618
- Testing
- Burosumab
- Where
- 3 sites in United States
- Volunteers
- 13 people
- Sponsor
- Kyowa Kirin, Inc.
Chronic Kidney Disease, Hyperphosphatemia
A Study to Assess the Pharmacokinetics of Lanthanum Carbonate, Investigate and Compare the Efficacy, Safety and Tolerability of Lanthanum Carbonate With Calcium Carbonate in Hyperphosphataemic Children and Adolescents With Chronic Kidney Disease on Dialysis
The purpose of this study is to summarize the percentage of participants achieving age-specific Kidney Disease Outcomes Quality Initiative (KDOQI) targets for serum phosphorus in hyperphosphatemic children and adolescents with…
- Trial name
- NCT01696279
- Testing
- Lanthanum Carbonate, Calcium Carbonate
- Where
- 22 sites in Argentina, Chile and 7 more
- Volunteers
- 63 people
- Sponsor
- Shire
X-linked Hypophosphatemia
Study of KRN23 in Adults With X-linked Hypophosphatemia (XLH)
The primary efficacy objective of this study is to establish the effect of burosumab treatment compared with placebo on increasing serum phosphorus levels in adults with XLH.
- Trial name
- NCT02526160
- Testing
- burosumab
- Where
- 25 sites in United States, France and 5 more
- Volunteers
- 134 people
- Sponsor
- Kyowa Kirin, Inc.
X-linked Hypophosphatemia
An Extension Study of KRN23 in Adults With X-Linked Hypophosphatemia
The primary purpose of this study is to assess the safety and efficacy of repeated subcutaneous (SC) injections of KRN23 in adult subjects with X-Linked Hypophosphatemia (XLH).
- Trial name
- NCT01571596
- Testing
- KRN23
- Where
- 6 sites in United States, Canada
- Volunteers
- 23 people
- Sponsor
- Kyowa Kirin Co., Ltd.
X-linked Hypophosphatemia
Study of KRN23 (Burosumab), a Recombinant Fully Human Monoclonal Antibody Against Fibroblast Growth Factor 23 (FGF23), in Pediatric Subjects With X-linked Hypophosphatemia (XLH)
The objectives of the study are to: Identify a dose and dosing regimen of burosumab, based on safety and pharmacodynamic (PD) effect, in pediatric XLH participants Establish the safety profile of burosumab for the treatment of…
- Trial name
- NCT02163577
- Testing
- burosumab
- Where
- 9 sites in United States, France and 2 more
- Volunteers
- 52 people
- Sponsor
- Kyowa Kirin, Inc.