2026 data ClinicalTrials.gov official source

Conditions: B

Compiled by PlainTrial Editorial, Clinical Trial Intelligence Editorial Team · January 1, 2026

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

1,103 conditions starting with "B"

Showing 801–850 of 1,103

Condition	Trials	Recruiting
Brain Edema	1	1
Brain Ependymoma	1	-
Brain Fog	7	3
Brain Freeze	1	-
Brain Function	4	1
Brain Health	2	-
Brain Hemorrhage	1	-
Brain Hemorrhage, Traumatic	1	1
Brain Imaging	3	1
Brain Injuries	24	9
Brain Injuries, Acute	2	1
Brain Injuries, Traumatic	22	9
Brain Injury	12	6
Brain Injury Traumatic Focal With Loss of Consciousness	1	1
Brain Injury Traumatic Mild	4	4
Brain Injury Traumatic Moderate	1	1
Brain Injury Traumatic Severe	1	1
Brain Injury Traumatic Severe (Diagnosis)	1	-
Brain Injury, Acute	1	1
Brain Injury, Chronic	1	-
Brain Injury, Traumatic	1	-
Brain Injury, Vascular	1	1
Brain Ischemia	3	1
Brain Lesion	3	2
Brain Lesion (General)	1	1
Brain Malformation	1	1
Brain Malignancies	1	1
Brain Mapping	4	3
Brain Mass	3	1
Brain Metabolic Disorder	1	-
Brain Metabolism	1	1
Brain Metastasases	2	2
Brain Metastases	68	41
Brain Metastases From Breast Cancer	1	-
Brain Metastases From Extra-cranial Solid Tumors	2	2
Brain Metastases From HER2 and Breast Cancer	1	1
Brain Metastases From Non-small Cell Lung Cancer (NSCLC)	2	2
Brain Metastases From Solid Tumors	3	3
Brain Metastases, Adult	15	13
Brain Metastasis	1	1
Brain Necrosis	1	1
Brain Neoplasm	10	4
Brain Neoplasm, Malignant	2	2
Brain Neoplasm, Primary	2	1
Brain Neoplasms	15	8
Brain Neoplasms, Adult	1	1
Brain Neoplasms, Adult, Malignant	3	2
Brain Neoplasms, Malignant	1	1
Brain Neoplasms, Primary Malignant	1	-
Brain Neoplasms, Recurrent	1	-

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