Clinical trials: Rickets
Vitamin D Deficiency, Musculoskeletal Diseases
Vitamin D in School Children
The primary purpose of this study it to investigate total circulating 25-hydroxyvitamin D (25(OH)D) in school children (aged 4-11years) in Northern Ireland; thereby establishing the prevalence of vitamin D status (deficiency…
- Conditions
- Vitamin D Deficiency, Musculoskeletal Diseases, Cognitive Delay, Mild
- Trial name
- DVinCHI (NCT05018988)
- Testing
- Oral vitamin D spray
- Where
- United Kingdom
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- University of Ulster
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.
Ectonucleotide Pyrophosphatase/Phosphodiesterase 1 Deficiency, ATP-Binding Cassette Subfamily C Member 6 Deficiency
PROPEL - A Prospective Observational Patient Registry to Evaluate ENPP1 and ABCC6 Deficiency
The purpose of this prospective registry is to characterize the natural history of ectonucleotide pyrophosphatase/phosphodiesterase1(ENPP1) Deficiency and the infantile-onset form of adenosine triphosphate (ATP) binding cassette…
- Trial name
- NCT06302439
- Testing
- No Intervention for this observational study
- Where
- 14 sites in United States, Canada and 7 more
- Volunteers
- 54 people
- Sponsor
- Inozyme Pharma
Osteomalacia
Serum FGF-23 and Vitamin D Deficiency
We aimed to determine the effect of vitamin D replacement therapy on serum FGF-23 concentrations in vitamin D deficient women and to compare the FGF-23 concentrations of vitamin D deficient patients with healthy subjects and…
- Trial name
- NCT01102751
- Where
- Turkey (Türkiye)
- Volunteers
- healthy volunteers welcome
- Sponsor
- Istanbul University
Primary Hypophosphatemic Rickets
Therapeutic Use of Oral Sodium Phosphate (Z-521) in Primary Hypophosphatemic Rickets
The purpose of this study is to investigate the efficacy and safety of oral phosphate (Z-521) in subjects with primary hypophosphatemic rickets.
- Trial name
- NCT01237288
- Testing
- Z-521
- Where
- 4 sites in Japan
- Volunteers
- 16 people
- Sponsor
- Zeria Pharmaceutical
XLH
A Study of KRN23 in Adult and Pediatric Patients With X-linked Hypophosphatemic Rickets/Osteomalacia
Before switching to the post-marketing study: Assess the efficacy and safety of KRN23 administered subcutaneously once every 4 or 2 weeks in adult or children with XLH After switching to the post-marketing study: To evaluate the…
- Trial name
- NCT04308096
- Testing
- KRN23
- Where
- 10 sites in Japan, South Korea
- Volunteers
- 27 people
- Sponsor
- Kyowa Kirin Co., Ltd.
Hypophosphatasia
Open-Label Study of Asfotase Alfa in Infants and Children ≤ 5 Years of Age With Hypophosphatasia (HPP)
This clinical trial was 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
- NCT01176266
- Testing
- asfotase alfa
- Where
- 23 sites in United States, Australia and 10 more
- Volunteers
- 69 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
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.
X-linked Hypophosphatemic Rickets/Osteomalacia
A Study of KRN23 in Pediatric Patients With X-linked Hypophosphatemic Rickets/Osteomalacia
Before switching to the post-marketing study: To evaluate the efficacy and safety of KRN23 administered subcutaneously once every 2 weeks in children with X-linked hypophosphatemic rickets/osteomalacia(XLH).
- Trial name
- NCT03233126
- Testing
- KRN23
- Where
- 4 sites in Japan
- Volunteers
- 16 people
- Sponsor
- Kyowa Kirin Co., Ltd.
Osteomalacia, Neoplasms
Catheterization to Locate Mesenchymal Tumors in Patients With Tumor-Induced Osteomalacia or Oncogenic Osteomalacia
This study will use a procedure called selective venous catheterization in patients with tumor-induced osteomalacia (TIO) or oncogenic osteomalacia (OOM) to try to locate very small tumors that produce proteins called…
- Trial name
- NCT00099762
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- National Institute of Dental and Craniofacial Research (NIDCR)
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.
Osteoarthritis, Osteoporosis
Development of a Non-invasive Assessment of Human Bone Quality Using Spatially Offset Raman Spectroscopy
In this study spatially offset Raman spectroscopy (SORS), which allows the collection of Raman spectra through turbid media, is being applied to collect Raman spectra of bone.
- Conditions
- Osteoarthritis, Osteoporosis, Osteogenesis Imperfecta, Rickets / Osteomalacia
- Trial name
- NCT02814591
- Testing
- spatially offset Raman spectrometer (SORS)
- Volunteers
- 245 people, healthy volunteers welcome
- Sponsor
- University College, London
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
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)
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, 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
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.
Hypophosphatasia
Extension Study of Protocol ENB-002-08 - Study of Asfotase Alfa in Infants and Young Children With Hypophosphatasia (HPP)
This clinical trial studied the long term safety and efficacy of asfotase alfa in infants and young children with infantile onset HPP who completed study ENB-002-08 (NCT00744042).
- Trial name
- NCT01205152
- Testing
- asfotase alfa
- Where
- 8 sites in United States, United Arab Emirates and 1 more
- Volunteers
- 10 people
- Sponsor
- Alexion Pharmaceuticals, Inc.
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.
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