Clinical trials: Parathyroid
Secondary Hyperparathyroidism
Suspected Deficient Activation of Vitamin D in Patients With Secondary Hyperparathyroidism
The purpose of this study is to determine if a reduction in the enzyme 1-hydroxylase, which activates Vitamin D, is the cause of overactivity of the parathyroid glands (called secondary hyperparathyroidism - normal blood calcium…
- Trial name
- 1hydroxylase (NCT00754442)
- Testing
- Teriparatide
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Maryland, Baltimore
Hypoparathyroidism
Study of rhPTH(1-84) in Japanese Healthy Subjects Compared With Matched Caucasian Healthy Adult Subjects
The purpose of this study is to compare how rhPTH(1-84) affects the body between healthy adults of Japanese descent and matched, healthy Caucasian adults.
- Trial name
- NCT03150108
- Testing
- rhPTH(1-84)
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Shire
Osteoporosis, Osteopenia
Does Treatment of Hypovitaminosis D Increase Calcium Absorption?
The purpose is to perform a one-year study designed to assess whether treatment of hypovitaminosis D increases intestinal absorption of calcium, subsequent retention of calcium within bone, decreases bone turnover, and favorably…
- Conditions
- Osteoporosis, Osteopenia, Vitamin D Deficiency, Hypoparathyroidism
- Trial name
- NCT00581828
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
22Q11 Deletion Syndrome
Mindfulness Program for Adolescents With 22q11DS
The goal of this study is to evaluate the effectiveness of the Aware Program, an online mindfulness education program, with adolescents with 22q11DS and their parents.
- Trial name
- NCT05849441
- Testing
- Aware Program
- Where
- United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Innovation Research & Training
Vitamin D Deficiency
Treatment of Vitamin D Insufficiency
The purpose of this study is to answer the following questions: Does vitamin D increase calcium absorption, bone mass and muscle mass and function in women past menopause who have mildly low vitamin D levels? Do these benefits…
- Trial name
- NCT00933244
- Testing
- High Dose Vitamin D3, Low Dose Vitamin D3
- Where
- United States
- Volunteers
- 230 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Implant
The Impact of Parathyroid Hormone (PTH) on Craniofacial Osseous Regeneration in Bone
Good bone healing and bone build-up are necessary for the success of dental implants. Research in animals and humans has shown that a drug, called Forteo, can increase bone build-up and bone strength over time.
- Trial name
- NCT01279187
- Testing
- Teriparatide
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Obesity, Vitamin D Deficiency
Efficacy of Vitamin D Supplementation in Bariatric Surgery Patients
As the use of bariatric surgery for treatment of extreme obesity adults continues to rise, clinicians must be aware of pre-existing nutritional deficiencies in overweight and obese patients.
- Trial name
- NCT01385098
- Testing
- Vitamin D3 and Calcium
- Where
- United States
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Vadim Sherman, MD
Hyperparathyroidism
The Renin-Angiotensin-Aldosterone System and Parathyroid Hormone Control: The RAAS-PARC Study
This study will evaluate whether commonly used blood pressure medications called "ACE inhibitors" can lower parathyroid hormone.
- Trial name
- RAAS-PARC (NCT01691781)
- Testing
- Lisinopril
- Where
- United States
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Chronic Hypoparathyroidism
AZP-3601 SAD and MAD Study in Healthy Subjects and Patients With Hypoparathyroidism
This study is investigating the safety, tolerability, pharmacodynamics and pharmacokinetics of AZP-3601 following single and repeated administration in both healthy volunteers and patients with chronic hypoparathyroidism (cHP)…
- Trial name
- NCT05239221
- Testing
- AZP-3601
- Where
- 2 sites in Hungary, Netherlands
- Volunteers
- 132 people, healthy volunteers welcome
- Sponsor
- Alexion Pharmaceuticals, Inc.
Postoperative Hypoparathyroidism, Thyroid Disease
Assessing Benefits of NIRAF Detection for Identifying Parathyroid Glands During Total Thyroidectomy
This study describes a single center, randomized, single-blinded clinical trial to assess the clinical benefits of the use of near infrared autofluorescence (NIRAF) detection with an FDA-cleared device 'Parathyroid Eye (PTeye)'…
- Conditions
- Postoperative Hypoparathyroidism, Thyroid Disease, Thyroid Neoplasms, Thyroid Cancer
- Trial name
- NCT05579782
- Testing
- NIRAF Detection Technology
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Medical College of Wisconsin
Obesity, Insulin Resistance
Effect of Vitamin D Supplementation on Muscle Mass and Function
The study was designed to assess the effects of vitamin D supplementation during exercise training on body composition, muscle function, and glucose tolerance.
- Conditions
- Obesity, Insulin Resistance, Inflammation
- Trial name
- NCT01199926
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Purdue University
Osteoporosis, Humoral Hypercalcemia of Malignancy
One Week Parathyroid Hormone-related Protein (PTHrP) IV Dose Escalation Study
This is a dose escalation study to determine the maximum tolerable dose of Parathyroid Hormone-related Protein, PTHrP, that can be given safely over one week.
- Conditions
- Osteoporosis, Humoral Hypercalcemia of Malignancy, Hyperparathyroidism
- Trial name
- NCT00580788
- Testing
- PTHrP (1-36)
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
Hyperparathyroidism, Secondary
Safety, Tolerability and Pharmacokinetics of Etelcalcetide in Healthy Male Volunteers
The purpose of this study is to characterize the safety and tolerability of etelcalcetide in healthy young males.
- Trial name
- NCT01134549
- Testing
- Etelcalcetide
- Where
- Australia
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- KAI Pharmaceuticals
Exercise, Bone Resorption
Enhancing Skeletal Adaptations to PTH and Exercise
Exercise is essential for building and maintaining bone mass and strength, but current exercise recommendations for how to achieve this lack detail on the optimal exercise prescription.
- Conditions
- Exercise, Bone Resorption, Bone Formation
- Trial name
- ESkAPE (NCT05029128)
- Testing
- Endurance exercise intervention
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Chronic Kidney Failure, Secondary Hyperparathyroidism
Paricalcitol Oral Therapy in Predialysis CKD Patients. The Greek Experience
The purpose of this study is to obtain data on the use of Zemplar (paricalcitol) capsules in real-life clinical practice in predialysis patients with chronic kidney disease (CKD) and secondary hyperparathyroidism.
- Trial name
- PROTECT (NCT01083186)
- Where
- 24 sites in Greece
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- AbbVie (prior sponsor, Abbott)
Bone Resorption, Osteoporosis
The Effect of Protein Supplementation on Bone Health in Healthy Older Men and Women
Women and men consuming a low protein diet may be at risk for bone loss. The purpose of this study is to determine whether a daily protein supplement will improve bone health among healthy older adults.
- Trial name
- NCT00421408
- Testing
- Whey protein supplement
- Where
- 2 sites in United States
- Volunteers
- 208 people, healthy volunteers welcome
- Sponsor
- Yale University
Hyperparathyroidism, Chronic Kidney Disease
Sevelamer and Secondary Hyperparathyroidism in Chronic Kidney Disease
The hypothesis underlying this study is that phosphate interferes with PTH-mediated calcium reabsorption in the distal nephron and thereby necessitates supranormal [PTH]to maintain normocalcemia in chronic kidney disease.
- Trial name
- NCT01191762
- Testing
- sevelamer carbonate
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Kenneth R. Phelps, M.D.
Healthy Volunteers
A Study of Relative Bioavailability of a New Formulation Compared With the Approved Formulation of rhPTH [1-84] and to Find Out Dose Linearity of the New Formulation in Healthy Adults
The main aim of Part I of this study is to evaluate the relative bioavailability of a new formulation compared with the approved formulation when a single dose of rhPTH(1-84) is given to healthy volunteers.
- Trial name
- NCT05137730
- Testing
- rhPTH(1-84)
- Where
- United States
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- Takeda
Gastric Bypass, Parathyroid Hormone
Trial Of Paricalcitol and Cholecalciferol(Vitamin D3) in the Treatment Of Secondary Hyperparathyroidism in Patients After ROUX-EN-Y Gastric Bypass Surgery
Evaluate the efficacy of paricalcitol, cholecalciferol, and placebo in the reduction of parathyroid hormone in patients after Roux-en-Y gastric bypass surgery (RYGB).
- Trial name
- ExtenD (NCT01138475)
- Testing
- Paricalcitol, Cholecalciferol
- Where
- United States
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Kerstyn C. Zalesin, M.D.
Calcium Deficiency, Vitamin D Deficiency
Human Pharmacology Trial of Calcium-vitamin D3 Tablet in Healthy Participants
The purpose of this study is to demonstrate that the intestinal absorption of calcium from a newly developed calcium carbonate-vitamin D3 chewable tablet formulation increases the amount of calcium excreted in urine and decreases…
- Trial name
- Osteopro (NCT01639222)
- Testing
- Calcium 500 mg and Vitamin D3 800 IU, Low calcium meals
- Where
- Germany
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Takeda