2026 data ClinicalTrials.gov official source

Conditions: H

Every condition beginning with H that has a registered US clinical trial, with how many studies cover each.

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1,701 conditions starting with "H"

Showing 301–350 of 1,701

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Condition Trials
Hearing Disorders in Children 1
Hearing Handicap 2
Hearing Impaired 2
Hearing Impaired (Partially) 1
Hearing Impaired Children 1
Hearing Impairment 3
Hearing Impairment, Sensorineural 4
Hearing Loss 60
Hearing Loss, Adult-Onset 4
Hearing Loss, Age-Related 3
Hearing Loss, Bilateral 7
Hearing Loss, Bilateral (Causes Other Than Tumors) 2
Hearing Loss, Bilateral Sensorineural 1
Hearing Loss, Central 1
Hearing Loss, Cochlear 2
Hearing Loss, Conductive 5
Hearing Loss, Extreme 1
Hearing Loss, Mixed 3
Hearing Loss, Mixed Conductive-Sensorineural 1
Hearing Loss, Noise-Induced 3
Hearing Loss, Sensorineural 21
Hearing Loss, Unilateral 5
Hearing Preservation 1
Heart 2
Heart Arrest 6
Heart Arrest, Out-Of-Hospital 1
Heart Arrhythmia 1
Heart Atria 1
Heart Attack 3
Heart Block 1
Heart Block Complete 1
Heart Block Second Degree 1
Heart Decompensation, Acute 1
Heart Defect, Congenital 1
Heart Defects, Congenital 10
Heart Disease 34
Heart Disease (Coronary Artery Disease, Ischemic Heart Disease, Hypertensive Heart Disease) 1
Heart Disease Caused by Ionising Radiation 1
Heart Disease Chronic 1
Heart Disease in Women 1
Heart Disease Risk Factors 2
Heart Disease, Congenital 2
Heart Disease, Coronary 1
Heart Disease, Ischemic 1
Heart Diseases 86
Heart Dysfunction 1
Heart Failure 399
Heart Failure (for Example, Fluid Overload) 1
Heart Failure (HF) 4
Heart Failure (Pediatric) 1

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Data sourced from official public datasets. See our methodology for details.