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 101–150 of 1,103

Condition	Trials	Recruiting
Balanced Fluids	1	-
Baldness	2	1
BAP1 Gene Mutation	1	1
BAP1 Tumor Predisposition Syndrome	1	1
BARD1 Gene Mutation	1	1
Bard1, Brca1, Brca2, Brip1, Chek1, Fancl, Palb2	1	1
Bardet-Biedl Syndrome	3	3
Bare Lymphocyte Syndrome	1	-
Bariatric Endoscopy	1	1
Bariatric Laparoscopic Surgery Candidate	1	-
Bariatric or General Abdominal Surgeries	1	1
Bariatric Sleeve Gastrectomy	2	1
Bariatric Surgery	16	6
Bariatric Surgery (Gastric Bypass)	1	1
Bariatric Surgery Analgesia	1	-
Bariatric Surgery Candidate	30	11
Bariatric Surgery Complication	1	1
Bariatric Surgery Patient	1	-
Bariatric Surgery Patients	4	4
Bariatric Surgery Procedures	1	-
Baroreflex	1	-
Barotrauma	1	1
Barrett Esophagus	33	18
Barrett Oesophagitis With Dysplasia	1	-
Barrett's Esophagus	23	6
Barrett's Esophagus Without Dysplasia	2	1
Barrett's Esophagus, Esophageal Intraepithelial Neoplasia	1	-
Barretts Esophagus With Dysplasia	6	3
Barth Syndrome	2	-
Bartholin Gland Transitional Cell Carcinoma	1	-
Basal Blood Flow	1	-
Basal Cell Cancer	1	1
Basal Cell Carcinoma	25	13
Basal Cell Carcinoma (BCC)	2	1
Basal Cell Carcinoma in Basal Cell Nevus Syndrome	1	-
Basal Cell Carcinoma of Skin	1	1
Basal Cell Carcinoma of Skin, Site Unspecified	1	1
Basal Cell Carcinoma of the Head and Neck	1	-
Basal Cell Carcinomas	1	1
Basal Cell Neoplasm	1	1
Basal Cell Nevoid Syndrome (BCNS)	1	-
Basal Cell Nevus Syndrome	1	-
Basal Ganglia Diseases	1	-
Basal Ganglia Germinoma	1	1
Basaloid Squamous Cell Carcinoma	1	-
Base of Tongue Cancer	1	1
Basic Science	2	2
Basic Science: Neural Representations of Location	1	-
Basic Science: Visual Attention in Healthy Participants	1	-
Basilar Migraine	1	-

Browse all → | Rankings →

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

Related