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 251–300 of 1,103

Condition	Trials	Recruiting
Benign Neoplasm of Intestinal Tract	1	1
Benign Neoplasms	1	-
Benign or Malignant Disease Indicated for Colectomy	1	-
Benign or Malignant Pancreatic Diseases	1	1
Benign or Malignant Rectal or Colon Tumors	1	-
Benign Pancreatic Disease	1	1
Benign Paroxysmal Positional Vertigo	1	-
Benign Pigmented Lesions	2	-
Benign Prostate Hyperplasia	2	1
Benign Prostate Hypertrophy(BPH)	1	1
Benign Prostatic Hyperplasia	30	10
Benign Prostatic Hyperplasia (BPH)	4	3
Benign Prostatic Hyperplasia With Outflow Obstruction	1	1
Benign Prostatic Hyperplasia With Symptomatic Lower Urinary Tract Symptoms	1	-
Benign Prostatic Hypertrophy	2	-
Benign Prostatic Hypertrophy (BPH)	1	1
Benign Skin Growth	1	1
Benign Spinal Tumors	1	-
Benign Urologic Conditions	1	-
Benzathine Penicillin Adverse Reaction	1	1
Benzodiazepine	1	-
Benzodiazepine Abuse	1	1
Benzodiazepine Sedative Adverse Reaction	1	-
Berberine	1	1
Bereavement	8	5
Berger Disease	2	1
Bertolotti's Syndrome	1	1
Berylliosis	1	-
Best Disease	2	2
Best Vitelliform Macular Dystrophy	3	2
Bestrophinopathy	1	-
Beta Lactam Adverse Reaction	1	1
Beta Rhythm	1	-
Beta-Amyloid	1	1
Beta-blocker Therapy	1	1
Beta-catenin	1	1
Beta-Galactosidase-1 (GLB1) Deficiency	1	-
Beta-Thalassemia	15	8
Beta-thalassemia Major	1	1
Betaine Supplementation	1	-
Betel Chewer's Mucosa	1	1
Beverage Intake	2	2
BH4 Deficiency	1	-
Bi-Phenotypic Leukemia	1	1
Bi-polar II Disorder	1	-
Bias, Racial	2	1
Bibliotherapy	2	-
Biceps Tendon Disorder	1	-
Bicuspid	1	1
Bicuspid Aortic Valve	5	3

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