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 701–750 of 1,103

Condition	Trials	Recruiting
Bone Neoplasms	1	1
Bone Pain	3	3
Bone Sarcoma	9	5
Bone Sarcomas	2	2
Bone Strength	2	2
Bone Substitute	1	-
Bone Tumor	3	-
Bone Tumors	1	-
Bone Turnover Rate Disorder	1	1
Bony Growth Formation	1	-
Booster Message	1	-
Booster Message + Financial Incentive	1	-
Borderline Hypokalemia	1	-
Borderline Ovarian Mucinous Tumor	1	-
Borderline Personality	1	1
Borderline Personality Disorder	17	6
Borderline Personality Disorder (BPD)	1	1
Borderline Resectable Pancreatic Adenocarcinoma	8	3
Borderline Resectable Pancreatic Cancer Treated With Chemoradiotherapy	1	-
Borderline Resectable Pancreatic Ductal Adenocarcinoma	4	4
Borderline-resectable Pancreatic Cancer	1	1
Borrelia; Infection, Burgdorferi (Erythema Chronicum Migrans)	1	-
Botox Injection	1	1
Botryoid-Type Embryonal Rhabdomyosarcoma	2	-
Bottle Feeding	2	-
Botulinum Toxins, Type A	1	1
Botulism	2	-
Bowel Cleanliness	1	-
Bowel Cleansing for Colonoscopy	1	1
Bowel Disease	1	1
Bowel Diseases	1	-
Bowel Dysfunction	2	1
Bowel Incontinence	2	1
Bowel Obstruction	2	1
Bowel Preparation	4	1
Bowel Preparation for Colonoscopy	1	1
Bowel Rating Scale	1	-
Bowel; Stricture	1	1
Bowen's Disease	1	-
BPD - Borderline Personality Disorder	1	1
BPDCN	2	2
BPH	6	3
BPH (Benign Prostatic Hyperplasia)	3	1
BPH With Symptomatic Lower Urinary Tract Symptoms	2	1
BPH With Urinary Obstruction	4	4
BPH With Urinary Obstruction With Other Lower Urinary Tract Symptoms	1	1
BPPV	1	-
Brachial Artery Flow-mediated Dilation	1	1
Brachial Plexus Birth Palsy	1	1
Brachial Plexus Injury	3	2

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