Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 22, 2026, 2:35 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 71 matching trials from the live ClinicalTrials.gov search.
Recruiting No phase listed Observational Accepts healthy volunteers

Hypoparathyroidism Natural History Study

NCT05793853
Conditions
Hypoparathyroidism
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 100 Years
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
New York, New York
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Parent and Infant Inter(X)Action Intervention (PIXI)

NCT03836300
Conditions
Fragile X Syndrome, Angelman Syndrome, Prader-Willi Syndrome, Dup15Q Syndrome, Duchenne Muscular Dystrophy, Phelan-McDermid Syndrome, Rett Syndrome, Smith Magenis Syndrome, Williams Syndrome, Turner Syndrome, Klinefelter Syndrome, Chromosome 22q11.2 Deletion Syndrome, Tuberous Sclerosis, Down Syndrome
Interventions
Parent-Infant Inter(X)action Intervention (PIXI)
Behavioral
Lead sponsor
RTI International
Other
Eligibility
Up to 99 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Completed No phase listed Observational

Physiologic Regulation of FGF-23

NCT00356512
Conditions
Hypoparathyroidism
Interventions
Not listed
Lead sponsor
National Institute of Dental and Craniofacial Research (NIDCR)
NIH
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Congenital Disorders
Interventions
Not listed
Lead sponsor
Children's Healthcare of Atlanta
Other
Eligibility
Up to 6 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1967 – 2006
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
DiGeorge Syndrome, Hypoparathyroidism, Complete DiGeorge Syndrome
Interventions
Thymus/Parathyroid Transplantation
Biological
Lead sponsor
Sumitomo Pharma Switzerland GmbH
Industry
Eligibility
Up to 24 Months
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Hypoparathyroidism
Interventions
rhPTH (1-84), Placebo
Biological
Lead sponsor
Shire
Industry
Eligibility
18 Years to 85 Years
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
6
States / cities
Chicago, Illinois • Detroit, Michigan • Rochester, Minnesota + 3 more
Conditions
Autosomal Dominant Hypocalcemia (ADH)
Interventions
Encaleret, Standard of Care
Drug · Dietary Supplement
Lead sponsor
Calcilytix Therapeutics, Inc., a BridgeBio company
Industry
Eligibility
16 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
11
States / cities
Oakland, California • Aurora, Colorado • Indianapolis, Indiana + 8 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Mindfulness Program for Adolescents With 22q11DS

NCT05849441
Conditions
22Q11 Deletion Syndrome
Interventions
Aware Program
Behavioral
Lead sponsor
Innovation Research & Training
Other
Eligibility
12 Years to 19 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Completed Phase 2Phase 3 Interventional Results available

Bone Properties in Hypoparathyroidism: Effects of PTH

NCT00473265
Conditions
Hypoparathyroidism
Interventions
PTH
Drug
Lead sponsor
John P. Bilezikian
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2014
U.S. locations
1
States / cities
New York, New York
Conditions
Velo-cardio-facial Syndrome, Psychosis
Interventions
Metyrosine, Placebo
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
16 Years to 65 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Syracuse, New York
Conditions
Hypoparathyroidism
Interventions
Synthetic Human Parathyroid Hormone 1-34, Calcitriol & Calcium
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
17 Years to 69 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1991 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
22Q11.2 Deletion Syndrome
Interventions
ZYN002
Drug
Lead sponsor
Harmony Biosciences Management, Inc.
Industry
Eligibility
4 Years to 17 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Greenville, South Carolina
Conditions
Hypoparathyroidism, Hypoparathyroidism Postprocedural, Hypoparathyroidism Post-surgical
Interventions
Parathyroid Allotransplant
Biological
Lead sponsor
Peter Stock
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
San Francisco, California
Completed Not applicable Interventional Results available

Thymus Transplantation Safety-Efficacy

NCT01220531
Conditions
Complete DiGeorge Anomaly, DiGeorge Syndrome, DiGeorge Anomaly, Complete DiGeorge Syndrome
Interventions
Cultured Thymus Tissue
Biological
Lead sponsor
Sumitomo Pharma Switzerland GmbH
Industry
Eligibility
Not listed
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
DiGeorge Syndrome, 22q11.2 Deletion Syndrome
Interventions
Not listed
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2029
U.S. locations
1
States / cities
New York, New York
Conditions
DiGeorge Syndrome, DiGeorge Anomaly, Complete DiGeorge Anomaly, Complete DiGeorge Syndrome
Interventions
Thymus Tissue for Transplantation
Biological
Lead sponsor
Sumitomo Pharma Switzerland GmbH
Industry
Eligibility
Not listed
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers Results available

Assessing Benefits of NIRAF Detection for Identifying Parathyroid Glands During Total Thyroidectomy

NCT05579782
Conditions
Postoperative Hypoparathyroidism, Thyroid Disease, Thyroid Neoplasms, Thyroid Cancer
Interventions
NIRAF Detection Technology
Device
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 99 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Completed Not applicable Interventional

Cognitive Remediation in 22q11DS

NCT01781923
Conditions
22q11.2 Deletion Syndrome, Velo-Cardio-Facial Syndrome
Interventions
Cognitive remediation program, Small group social skills training
Behavioral
Lead sponsor
Duke University
Other
Eligibility
11 Years to 17 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Neurodevelopmental Disorders, Neurodevelopmental Disorders (NDD), Neurodevelopmental Disorders and Developmental Abnormalities, Developmental Delay (Disorder), Cerebral Palsy (CP), Cerebral Palsy Hemiparetic Cerebral Palsy Spasticity Gait Disorders, Neurologic Postural Balance Impairment, Cerebral Palsy Infantile, Cerebral Palsy Spastic Hemiplegic, Cerebral Palsy, Dyskinetic, Autism Spectrum Disorder, Autism Spectrum Disorder (ASD, Hypoxic Ischemic Encephalopathy, Hypoxic Ischemic Encephalopathy (HIE), Traumatic Brain Injury (TBI), Sensory Processing Disorder, Chromosomal Abnormalities, Genetic Disorders, Down Syndrome (Trisomy 21), Fragile X Syndrome (FXS), RETT Syndrome With Proven MECP2 Mutation, Williams Syndrome, 22q11.2 Deletion Syndrome, Sensorimotor Integration
Interventions
Not listed
Lead sponsor
Healing Hope International
Other
Eligibility
4 Years to 12 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2036
U.S. locations
1
States / cities
The Woodlands, Texas
Active, not recruiting Phase 2 Interventional

Immune Disorder HSCT Protocol

NCT01821781
Conditions
Immune Deficiency Disorders, Severe Combined Immunodeficiency, Chronic Granulomatous Disease, X-linked Agammaglobulinemia, Wiskott-Aldrich Syndrome, Hyper-IgM, DiGeorge Syndrome, Chediak-Higashi Syndrome, Common Variable Immune Deficiency, Immune Dysregulatory Disorders, Hemophagocytic Lymphohistiocytosis, IPEX, Autoimmune Lymphoproliferative Syndrome, X-linked Lymphoproliferative Syndrome
Interventions
Transplant preparative regimen of alemtuzumab, fludarabine, thiotepa, and melphalan
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
Up to 21 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2026
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Pregnant Individuals, Aneuploidy, Down Syndrome (Trisomy 21), 22q11.2 Deletion Syndrome, Trisomy 13, Trisomy 18, Sex Chromosome Abnormalities
Interventions
Not listed
Lead sponsor
BillionToOne Inc.
Industry
Eligibility
Female only
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
9
States / cities
Phoenix, Arizona • Riverside, California • West Covina, California + 5 more
Conditions
Hypoparathyroidism, Endocrine System Diseases, Parathyroid Diseases
Interventions
TransCon PTH, Placebo for TransCon PTH
Combination Product
Lead sponsor
Ascendis Pharma A/S
Industry
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
5
States / cities
Chicago, Illinois • Rochester, Minnesota • Great Neck, New York + 2 more
Conditions
Hypoparathyroidism
Interventions
Palopegteriparatide
Drug
Lead sponsor
Ascendis Pharma A/S
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Morgantown, West Virginia
Completed Phase 2 Interventional Results available

Thymus Transplantation in DiGeorge Syndrome #668

NCT00576407
Conditions
DiGeorge Syndrome, Complete Typical DiGeorge Anomaly
Interventions
Cultured Thymus Tissue for Implantation (CTTI)
Biological
Lead sponsor
Sumitomo Pharma Switzerland GmbH
Industry
Eligibility
Not listed
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1991 – 2017
U.S. locations
1
States / cities
Durham, North Carolina