2026 data ClinicalTrials.gov official source

Conditions: H

Compiled by PlainTrial · January 1, 2026

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

1,701 conditions starting with "H"

Showing 1,501–1,550 of 1,701

Condition	Trials	Recruiting
Hypermobile EDS (hEDS)	1	-
Hypermobile Ehlers-Danlos Syndrome	1	1
Hypermobility of Interphalangeal Joints	1	-
Hypernasality	1	1
Hypernephroid	1	-
Hyperopia	11	2
Hyperopic Astigmatism	1	-
Hyperoxaluria	2	1
Hyperoxia	3	1
Hyperparathyroidism	8	2
Hyperparathyroidism, Primary	2	2
Hyperparathyroidism, Secondary	3	-
Hyperphagia	3	1
Hyperphagia in Prader-Willi Syndrome	1	-
Hyperphenylalaninemia	1	-
Hyperphosphatemia	9	2
Hyperpigmentation	6	1
Hyperplasia	1	-
Hyperplasia, Giant Lymph Node	1	1
Hyperplastic Polyp	1	-
Hyperpronated Foot	1	1
Hypersensitivity	9	1
Hypersensitivity Pneumonitis	4	3
Hypersensitivity Response	1	-
Hypersensitivity, Delayed	1	-
Hypersensitivity, Immediate	4	-
Hypersensitivity, Immune System Diseases	1	-
Hypersomnia	3	1
Hypertension	472	152
Hypertension (HTN)	4	3
Hypertension (Without Type 2 Diabetes Mellitus)	1	1
Hypertension and Coronary Artery Disease	1	-
Hypertension and Hyperlipidemia	1	-
Hypertension Complicated	2	1
Hypertension Complicating Pregnancy	1	1
Hypertension in Dialysis Patients	1	-
Hypertension in Pregnancy	14	8
Hypertension Prevention	1	1
Hypertension Pulmonary Secondary Heart Failure	1	-
Hypertension Secondary	1	-
Hypertension Secondary to Kidney Transplant	1	-
Hypertension Treatment	1	-
Hypertension Uncomplicated	1	-
Hypertension, Diabetes Mellitus	1	-
Hypertension, Glaucoma, Open-Angle	1	-
Hypertension, Grade 1	1	-
Hypertension, Portal	4	1
Hypertension, Pregnancy Induced	8	6
Hypertension, Pulmonary	11	2
Hypertension, Resistant to Conventional Therapy	2	1

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