Clinical trials: Pseudohypoparathyroidism
Pseudohypoparathyroidism, Albright Hereditary Osteodystrophy
Theophylline Treatment for Pseudohypoparathyroidism
Pseudohypoparathyroidism is a genetic disorder with limited treatment options. Patients have early-onset obesity, short stature and increased risk of type 2 diabetes.
- Trial name
- NCT03029429
- Testing
- Theophylline
- Where
- United States
- Volunteers
- 29 people
- Sponsor
- Vanderbilt University Medical Center
Galactose Single Point (GSP), Residual Liver Function
GSP as an Novel Indicator for Residual Liver Function in Patients With Fatty Liver
The primary objective is to determine the galactose single point (GSP) cutoff values to discriminate subjects with different hepatic function.
- Trial name
- GSP (NCT04546022)
- Testing
- Drug: G.S.P. Solution 400 mg/ml I.V. 1.25 ml/kg BW G.S.P. solution after fasting for 6 hours.
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- National Defense Medical Center, Taiwan
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
Fibrous Dysplasia, Albright Syndrome
Determination of Circulating Autotaxin in Patients With GNAS or PTH Abnormalities
PTH secretion defects (grouped under the name hypoparathyroidism) are due to abnormalities in the PTH gene, abnormalities in the development of the parathyroid glands which synthesize PTH or abnormalities of the calcium sening…
- Conditions
- Fibrous Dysplasia, Albright Syndrome, Adult Children, Hypoparathyroidism
- Trial name
- GNAS-AUTAX (NCT04671719)
- Testing
- blood sample
- Where
- 3 sites in France
- Volunteers
- 33 people
- Sponsor
- Hospices Civils de Lyon
Pseudohypoparathyroidism, Albright Hereditary Osteodystrophy
Theophylline Treatment for Pseudohypoparathyroidism - Children 2-12 Years Old
Pseudohypoparathyroidism is a genetic disorder with limited treatment options, characterized by early-onset obesity, short stature and resistance to multiple hormones.
- Conditions
- Pseudohypoparathyroidism, Albright Hereditary Osteodystrophy, Pseudohypoparathyroidism Type 1a
- Trial name
- NCT04551170
- Testing
- Theophylline
- Where
- United States
- Volunteers
- 34 people
- Sponsor
- Vanderbilt University Medical Center
Galactose Single Point (GSP), Residual Liver Function
Clinical Study for Development of Oral Galactose Single Point (OGSP) Solution (G.S.P. Oral Solution®)
The primary objective is to determine the oral galactose single point (OGSP) cutoff values to discriminate subjects with different hepatic function.
- Trial name
- NCT03457311
- Testing
- G.S.P. Oral Solution 400 mg/ml
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Richever Enterprise Co., Ltd.
Pseudohypoparathyroidism, Pseudohypoparathyroidism Type 1a
Theophylline for Treatment of Pseudohypoparathyroidism
Pseudohypoparathyroidism is a genetic disorder with limited treatment options, characterized by early-onset obesity, short stature, hormone resistance and cognitive impairment.
- Conditions
- Pseudohypoparathyroidism, Pseudohypoparathyroidism Type 1a, Albright Hereditary Osteodystrophy
- Trial name
- NCT04240821
- Testing
- Theophylline ER
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Jaclyn Tamaroff
Hypoparathyroidism, Pseudohypoparathyroidism
German Hypoparathyroidism Registry
Chronic hypoparathyroidism is a rare condition in which the parathyroid glands do not make enough parathyroid hormone (PTH). PTH helps control the levels of calcium and phosphate in the blood.
- Trial name
- HyPaReg (NCT07857460)
- Where
- Germany
- Volunteers
- 150 people
- Sponsor
- University Hospital Augsburg
Pseudohypoparathyroidism Type 1a, Albright Hereditary Osteodystrophy
Theophylline as a Treatment for Children With Pseudohypoparathyroidism Type 1a (Albright Hereditary Osteodystrophy)
This study will test an investigational drug, theophylline, in children with pseudohypoparathyroidism type 1a (PHP1a). This study involves a 3 day visit to the Vanderbilt Clinical Research Center.
- Trial name
- NCT02463409
- Testing
- Theophylline
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- Vanderbilt University Medical Center
PHP Ia, PHP IB
Effect of Theophylline in Pseudohypoparathyroidism
The study evaluates the effect of theophylline in 100 subjects with Pseudohypoparathyroidism.
- Conditions
- PHP Ia, PHP IB, Php1C
- Trial name
- NCT03718403
- Testing
- Theophylline
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Massachusetts General Hospital
Pseudohypoparathyroidism Type 1A, Albright Hereditary Osteodystrophy
Albright Hereditary Osteodystrophy: Natural History, Growth, and Cognitive/Behavioral Assessments
We, the researchers, are following the natural history of Albright hereditary osteodystrophy. We have found that growth hormone deficiency is very common in patients with pseudohypoparathyroidism type 1A, which falls under the…
- Conditions
- Pseudohypoparathyroidism Type 1A, Albright Hereditary Osteodystrophy, Pseudopseudohypoparathyroidism
- Trial name
- NCT00209235
- Testing
- Neurocognitive and psychosocial testing
- Where
- United States
- Volunteers
- 600 people
- Sponsor
- Connecticut Children's Medical Center
Hypoparathyroidism, Pseudo Hypoparathyroidism
Tunisian Clinical Registry on Hypoparathyroidism and Pseudo-hypoparathyroidism
Observational, multicenter, national, cross-sectional study aiming to describe the epidemiological clinical, biological and therapeutic profile of patients suffering from defect in secretion (hypoparathyroidism) or action…
- Trial name
- THYPARS (NCT06445036)
- Where
- Tunisia
- Volunteers
- 1,000 people
- Sponsor
- Dacima Consulting
Hypoparathyroidism, Pseudo Hypoparathyroidism
QoL and Cognitive Function in Patients With Hypoparathyroidism
Hypoparathyroidism (HypoPT) is a disease with inadequate production of parathyroid hormone (PTH) from the parathyroid glands leading to hypocalcemia.
- Trial name
- MR-hypoPT (NCT04569604)
- Testing
- MRI scans, Neuro cognitive tests, Questionnaires on Quality of Life
- Where
- Denmark
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Pseudohypoparathyroidism and Pseudopseudohypoparathyroidism, Pseudohypoparathyroidism Type Ia
Glucose Homeostasis in Pseudohypoparathyroidism
It is increasingly recognized that Pseudohypoparathyroidism type 1A (PHP1A) is associated with an increased risk of type 2 diabetes but the mechanism is unknown.
- Conditions
- Pseudohypoparathyroidism and Pseudopseudohypoparathyroidism, Pseudohypoparathyroidism Type Ia, Albright Hereditary Osteodystrophy
- Trial name
- NCT03761290
- Where
- United States
- Volunteers
- 14 people
- Sponsor
- Vanderbilt University Medical Center
Hypocalcemia, Pseudohypoparathyroidism
Studies of States With Resistance to Vitamin D and Parathyroid Hormone
Patients with confirmed or suspected states with resistance to vitamin D or parathyroid hormone (PTH) will be admitted for diagnosis, treatment review with suggestions for modifications to the current or new treatment and for…
- Conditions
- Hypocalcemia, Pseudohypoparathyroidism, Osteomalacia, Rickets
- Trial name
- NCT00001242
- Where
- United States
- Volunteers
- 70 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Silver Russell Syndrome, Beckwith-Wiedemann Syndrome
IDMet (RaDiCo Cohort) (RaDiCo-IDMet)
The goal of this observational study is to describe the natural history of imprinting disorders (IDs) according to their metabolic profile in all patients (adults and children) affected with an ID regardless of the severity of…
- Conditions
- Silver Russell Syndrome, Beckwith-Wiedemann Syndrome, Transient Neonatal Diabetes Mellitus, Angelman Syndrome
- Trial name
- IDMet (NCT05945576)
- Where
- 20 sites in France
- Volunteers
- 2,000 people
- Sponsor
- Institut National de la Santé Et de la Recherche Médicale, France
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
Pseudohypoparathyroidism
Study of the Regulation of Parathyroid Hormone Secretion in Pseudohypoparathyroidism
OBJECTIVES: Determine the relationship between serum calcium concentrations and parathyroid hormone secretion in patients with pseudohypoparathyroidism.
- Trial name
- NCT00004661
- Volunteers
- 20 people
- Sponsor
- National Center for Research Resources (NCRR)
Pseudohypoparathyroidism, Albright Hereditary Osteodystrophy
Early-onset Obesity and Cognitive Impairment in Children With Pseudohypoparathyroidism
Pseudohypoparathyroidism type 1a (PHP1a) is a rare disease that causes childhood obesity and learning difficulties. This study will investigate eating behaviors and perform cognitive testing on children with PHP1a.
- Trial name
- NCT02411461
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Hypoparathyroidism, Pseudo Hypoparathyroidism
Institution of an Italian Multicenter Database of Patients Affected by Hypoparathyroidism or Pseudohypoparathyroidism
The goal of this observational study is to create, manage and analyze a multicenter national database of patients affected by hypoparathyroidism or pseudohypoparathyroidism, aimed at collecting and studying anamnestic…
- Trial name
- NCT06645899
- Where
- 41 sites in Italy
- Volunteers
- 600 people
- Sponsor
- F.I.R.M.O. - Fondazione Italiana Ricerca sulle Malattie dell'Osso - Ente del Terzo Settore