HD Clinical Trials

273 recruitingLast updated: July 25, 2026

There are 273 actively recruiting hd clinical trials across 43 countries. Studies span Not Applicable, Phase 2, Phase 3, Phase 4, Phase 1, Early Phase 1. Top locations include Baltimore, Maryland, United States, Boston, Massachusetts, United States, Columbus, Ohio, United States. Updated daily from ClinicalTrials.gov.


HD Trials at a Glance

273 actively recruiting trials for hd are listed on ClinicalTrialsFinder across 6 cities in 43 countries. The largest study group is Not Applicable with 114 trials, with the heaviest enrollment activity in Baltimore, Boston, and Columbus. Lead sponsors running hd studies include The University of Hong Kong, Otsuka Pharmaceutical Co., Ltd., and Milton S. Hershey Medical Center.

Treatments under study

About HD Clinical Trials

Looking for clinical trials for HD? There are currently 1 studies actively recruiting participants. Clinical trials offer access to new treatments before they are widely available, and every approved therapy in use today was first tested through a clinical trial.

Below you can browse trials, sign up for alerts when new HD trials open, and view eligibility criteria for each study. Each listing includes the study phase, locations, and enrollment details.

Frequently Asked Questions

Common questions about HD clinical trials

A clinical trial is a carefully designed research study that tests new medical treatments, drugs, devices, or approaches in human volunteers. Every approved medication and treatment available today was proven safe and effective through clinical trials.

All clinical trials are reviewed and approved by Institutional Review Boards (IRBs) — independent committees that evaluate patient safety. Trials follow strict protocols, and your health is monitored closely throughout. You can withdraw at any time.

Not necessarily. Many trials compare the new treatment against the current standard of care, meaning all participants receive active treatment. When placebos are used, they are typically combined with standard treatment, not given alone. The trial description will always specify the design.

Under the Affordable Care Act, most private insurers are required to cover routine patient care costs during a clinical trial. The sponsor typically covers the investigational treatment itself. Medicare also covers routine costs for qualifying trials.

Yes. Participation is completely voluntary. You can withdraw at any time, for any reason, without it affecting your access to standard medical care.

Each trial has specific eligibility criteria — including age, diagnosis, disease stage, prior treatments, and general health. Browse the trials listed above and check their eligibility sections. You can also contact the trial site directly to discuss your situation.

Showing 120 of 273 trials

Recruiting

Online Study of People Who Have Genetic Changes and Features of Autism: Simons Searchlight

SYNGAP1-Related Intellectual DisabilityDLG4FOXP1+184 more
Simons Searchlight100,000 enrolled2 locationsNCT01238250
Recruiting

Revascularization of Calcified Coronary Arteries

Coronary Arterial Disease (CAD)Percutaneous Coronary Intervention (PCI)Ischemic Heart Disease (IHD)
Aalborg University Hospital100 enrolled1 locationNCT07724184
Recruiting
Phase 1

Ex Vivo-Expanded Regulatory T Cells Plus Low-Dose Interleukin-2 for Steroid-Refractory Chronic GVHD

Graft Versus Host Disease (cGvHD)
Leslie Kean21 enrolled1 locationNCT06991361
Recruiting
Phase 1Phase 2

Study to Evaluate the Safety and Effectiveness of Withaferin A as a Treatment to Prevent GvHD in Transplant Patients

Hematopoietic Stem Cell Transplant (HSCT)Hematological MalignancyGVHD - Graft-Versus-Host Disease
Tata Memorial Centre54 enrolled2 locationsNCT07724873
Recruiting
Phase 3

Phase 3 Study of LUM-201 in Children With Growth Hormone Deficiency

Growth Hormone Deficiency (GHD)
Lumos Pharma150 enrolled42 locationsNCT06948214
Recruiting
Not Applicable

Pilot Study of "Bottarga" Supplementation: A Little-known, Sustainable "Blue" Food

Obesity, OverweightDiabetesPrediabetes+3 more
Cambridge Health Alliance20 enrolled1 locationNCT06988462
Recruiting
Phase 3

Efficacy of PP-01 in Mitigating Cannabis Withdrawal Symptoms in Adults With Cannabis Use Disorder

Cannabis withdrawal
PleoPharma, Inc.420 enrolled17 locationsNCT07644052
Recruiting
Early Phase 1

Evaluation of the Electronic Cigarette Withdrawal Syndrome

E-cigarette useWithdrawal
Johns Hopkins University150 enrolled1 locationNCT06066996
Recruiting
Not Applicable

The Effect of Music and Musical Mobile Interventions on Pain and Physiological Parameters

Chest Tube RemovalCongenital Heart Disease (CHD)
Baskent University54 enrolled1 locationNCT07564882
Recruiting
Not Applicable

Single vs. Dual Antiplatelet Therapy in Patients Undergoing Percutaneous Intervention With DCB-only Strategy (KONG-FREEDOM-I)

Coronary Heart Disease (CHD)
Gan Lijun2,170 enrolled14 locationsNCT07587099
Recruiting
Phase 2

Study of Standardized Withaferin-A for the Treatment of Steroid Refractory Acute Graft Versus Host Disease.

Hematological MalignancyGVHD - Graft-Versus-Host DiseaseSteriod Refractory
Tata Memorial Centre34 enrolled1 locationNCT07708987
Recruiting

Evaluation of Patients With Immune Function Abnormalities

Chronic Granulomatous Disease (CGD)X-Linked Severe Combined Immune Deficiency (XSCID)Leukocyte Adhesion Deficiency 1 (LAD)+1 more
National Institute of Allergy and Infectious Diseases (NIAID)3,500 enrolled1 locationNCT00128973
Recruiting
Not Applicable

Understanding the Effects of Transcutaneous Auricular Neurostimulation for Treatment of Chronic Pain

AnalgesiaOpioid Withdrawal
The University of Texas Medical Branch, Galveston60 enrolled1 locationNCT05555485
Recruiting
Not Applicable

Effects of Probiotics on the Gut-brain Axis in Children

Attention Deficit Hyperactivity Disorder (ADHD)
Probi AB80 enrolled1 locationNCT07459699
Recruiting
Phase 1

Methylphenidate to Address Attention and Executive Deficits Among Children With Sickle Cell Disease

Cognitive ImpairmentSickle Cell DiseaseAttention Deficit Hyperactivity Disorder (ADHD)+1 more
St. Jude Children's Research Hospital72 enrolled1 locationNCT07226219
Recruiting
Not Applicable

Smartphone-based Intervention for Young Adults With ADHD

Attention Deficit Hyperactivity Disorder (ADHD)Alcohol Use
Traci Kennedy70 enrolled1 locationNCT07654205
Recruiting
Not Applicable

Fidgeting and Attentional and Emotional Regulation in ADHD

ADHD
University of California, Davis109 enrolled1 locationNCT04526600
Recruiting

PRecision Integrated Saturation Monitor

Single Ventricle Heart DiseaseCHD - Congenital Heart Disease
Le Bonheur Children's Hospital100 enrolled1 locationNCT07686341
Recruiting

Transition and Transfer of Congenital Heart Disease Care From Pediatrics to Adulthood

Congenital Heart Disease (CHD)
Ottawa Heart Institute Research Corporation200 enrolled1 locationNCT07585175
Recruiting
Not Applicable

Study of Lesion-Specific Invasive Haemodynamic Angina Thresholds

Coronary Artery Disease (CAD)Angina, Stableischaemic heart disease (IHD)
Imperial College London60 enrolled7 locationsNCT07386418