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 451–500 of 1,701

Condition	Trials	Recruiting
Helping Behavior	2	-
Helsmoortel-Van Der Aa Syndrome	1	1
Hemangioblastoma	2	1
Hemangioma	3	1
Hematemesis	1	-
Hematochezia	2	1
Hematologic and Lymphocytic Disorder	5	1
Hematologic Cancer	5	5
Hematologic Cancers	1	1
Hematologic Disease	2	-
Hematologic Disease and Disorders	1	1
Hematologic Diseases	18	6
Hematologic Disorder	2	1
Hematologic Disorders	3	1
Hematologic Malignancies	46	22
Hematologic Malignancy	49	37
Hematologic Neoplasm	2	-
Hematologic Neoplasms	21	7
Hematologic Test	1	-
Hematologic Tests	2	2
Hematologic Tumors	1	-
Hematologic, Immune, or Bone Marrow Disorders	1	1
Hematological Diseases	2	-
Hematological Disorders	1	1
Hematological Malignancies	17	5
Hematological Malignancy	10	6
Hematological Neoplasms	1	1
Hematology	2	-
Hematoma	3	-
Hematoma Postoperative	1	-
Hematopoetic Myelodysplasia	2	1
Hematopoetic Stem Cell Transplant	2	2
Hematopoetic Stem Cell Transplantation	2	2
Hematopoietic	1	1
Hematopoietic and Lymphatic System Neoplasm	63	48
Hematopoietic and Lymphoid Cell Neoplasm	105	35
Hematopoietic and Lymphoid System Neoplasm	32	21
Hematopoietic Cell Transplant	7	5
Hematopoietic Cell Transplant Recipient	2	1
Hematopoietic Cell Transplantation	5	3
Hematopoietic Cell Transplantation (HCT)	2	1
Hematopoietic Cell Transplantation Recipient	5	1
Hematopoietic Malignancies	1	1
Hematopoietic Malignancy	2	1
Hematopoietic Neoplasm	4	1
Hematopoietic Neoplasms	1	-
Hematopoietic Neoplasms (Leukemia, Lymphoma, Multiple Myeloma)	1	-
Hematopoietic Stem Cell	1	1
Hematopoietic Stem Cell Transplant	9	5
Hematopoietic Stem Cell Transplant (HSCT)	4	3

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