Clinical Trials by Condition: B
- B Cell Prolymphocytic Leukemia (17)
- B-cell Lymphoma (2,526)
- BAP1 Tumor Predisposition Syndrome (6)
- BK-virus Nephropathy (9)
- BRCA1 Hereditary Breast and Ovarian Cancer Syndrome (1)
- Babesiosis (2)
- Back Injuries (200)
- Back Pain (2,642)
- Bacteremia (397)
- Bacterial Infections (6,955)
- Bacterial Infections and Mycoses (6,878)
- Bacterial Meningitis (155)
- Bacteriuria (70)
- Baetz-Greenwalt Syndrome (1)
- Bainbridge-Ropers Syndrome (1)
- Balanitis (3)
- Balanitis Xerotica Obliterans (1)
- Balkan Endemic Nephropathy (2)
- Balkan Nephropathy (2)
- Bankart Lesions (14)
- Bannayan-Riley-Ruvalcaba Syndrome (8)
- Bardet-Biedl Syndrome (14)
- Bardet-Biedl Syndrome 1 (14)
- Bardet-Biedl Syndrome 10 (14)
- Bardet-Biedl Syndrome 11 (14)
- Bardet-Biedl Syndrome 12 (14)
- Bardet-Biedl Syndrome 2 (14)
- Bare Lymphocyte Syndrome (3)
- Bare Lymphocyte Syndrome 2 (3)
- Baroreflex Failure (3)
- Barotrauma (45)
- Barrett Esophagus (287)
- Barth Syndrome (8)
- Bartonella Infections (3)
- Bartter Syndrome (4)
- Basal Cell Carcinoma, Multiple (6)
- Basal Cell Nevus Syndrome (37)
- Basal Ganglia Diseases (4,021)
- Basal Ganglia Hemorrhage (6)
- Becker Muscular Dystrophy (363)
- Beckwith-Wiedemann Syndrome (9)
- Behavior, Addictive (1,069)
- Behavioral Symptoms (9,281)
- Behavioral Variant of Frontotemporal Dementia (237)
- Behcet Syndrome (94)
- Behçet Disease (94)
- Bell Palsy (81)
- Benign Autosomal Dominant Myopathy (5)
- Benign Essential Blepharospasm (47)
- Benign Paroxysmal Positional Vertigo (51)
- Benign Rolandic Epilepsy (BRE) (2)
- Beriberi (27)
- Berylliosis (5)
- Beryllium Disease (5)
- Best Vitelliform Macular Dystrophy (7)
- Beta Ketothiolase Deficiency (1)
- Beta-Propeller Protein-Associated Neurodegeneration (2)
- Beta-galactosidase-1 Deficiency (18)
- Bethlem Myopathy (5)
- Bezoars (1)
- Bicuspid Aortic Valve Disease (46)
- Biemond Syndrome (1)
- Bietti Crystalline Corneoretinal Dystrophy (5)
- Bilateral Vestibulopathy (16)
- Bile Duct Cancer (774)
- Bile Duct Cysts (9)
- Bile Duct Diseases (825)
- Bile Duct Neoplasms (191)
- Bile Reflux (11)
- Biliary Atresia (50)
- Biliary Atresia Intrahepatic Syndromic Form (1)
- Biliary Dyskinesia (15)
- Biliary Fistula (11)
- Biliary Tract Cancer (344)
- Biliary Tract Diseases (1,612)
- Biliary Tract Neoplasms (538)
- Binge Drinking (57)
- Binge-Eating Disorder (230)
- Binswanger's Disease (2)
- Biotin-thiamine-responsive Basal Ganglia Disease (1)
- Biotinidase Deficiency (5)
- Bipolar Disorder (1,404)
- Bipolar and Related Disorders (1,329)
- Bird Fancier's Lung (2)
- Birdshot Chorioretinopathy (3)
- Birt-Hogg-Dube Syndrome (7)
- Birth Injuries (37)
- Birth Weight (647)
- Bisphosphonate-Associated Osteonecrosis of the Jaw (11)
- Bites and Stings (67)
- Bites, Human (1)
- Bladder Exstrophy (13)
- Blast Crisis (394)
- Blast Injuries (16)
- Blastic Plasmacytoid Dendritic Cell (33)
- Blastocystis Infections (2)
- Blastomycosis (8)
- Blepharitis (62)
- Blepharoptosis (45)
- Blepharospasm (47)
- Blind Loop Syndrome (32)
- Blindness (283)
- Blindness, Cortical (2)
- Blister (102)
- Blood Coagulation Disorders (5,461)
- Blood Coagulation Disorders, Inherited (922)
- Blood Loss, Surgical (193)
- Blood Platelet Disorders (1,147)
- Blood Protein Disorders (3,396)
- Blood-Borne Infections (7,975)
- Bloom Syndrome (1)
- Blount Disease (1)
- Blue Rubber Bleb Nevus Syndrome (3)
- Body Dysmorphic Disorders (46)
- Body Temperature Changes (1,124)
- Body Weight (10,461)
- Body Weight Changes (2,124)
- Body-Weight Trajectory (12)
- Bohring-Opitz Syndrome (2)
- Bone Cysts (56)
- Bone Cysts, Aneurysmal (5)
- Bone Demineralization, Pathologic (7)
- Bone Diseases (6,349)
- Bone Diseases, Developmental (722)
- Bone Diseases, Endocrine (340)
- Bone Diseases, Infectious (713)
- Bone Diseases, Metabolic (1,761)
- Bone Malalignment (2)
- Bone Marrow Diseases (3,725)
- Bone Marrow Failure Disorders (396)
- Bone Marrow Neoplasms (212)
- Bone Neoplasms (430)
- Bone Resorption (313)
- Borderline Personality Disorder (193)
- Bordetella Infections (215)
- Borrelia Infections (90)
- Botulism (20)
- Bowen's Disease (19)
- Brachial Plexus Neuritis (10)
- Brachial Plexus Neuropathies (30)
- Brachydactyly (2)
- Bradycardia (259)
- Brain Abscess (19)
- Brain Concussion (483)
- Brain Contusion (9)
- Brain Damage, Chronic (1,191)
- Brain Death (79)
- Brain Diseases (25,529)
- Brain Diseases, Metabolic (1,171)
- Brain Diseases, Metabolic, Inborn (983)
- Brain Dopamine-serotonin Vesicular Transport Disease (1)
- Brain Edema (91)
- Brain Hemorrhage, Traumatic (11)
- Brain Infarction (870)
- Brain Injuries (3,405)
- Brain Injuries, Diffuse (6)
- Brain Injuries, Traumatic (1,674)
- Brain Injury, Chronic (37)
- Brain Ischemia (1,290)
- Brain Neoplasms (2,455)
- Brain Stem Infarctions (30)
- Brain Stem Neoplasms (110)
- Brain Tumor, Adult (289)
- Brain Tumor, Childhood (132)
- Breakthrough Pain (69)
- Breast Cancer Lymphedema (108)
- Breast Cancer, Male (279)
- Breast Carcinoma In Situ (296)
- Breast Cyst (5)
- Breast Diseases (9,949)
- Breast Neoplasms (12,408)
- Breast Neoplasms, Male (280)
- Breech Presentation (33)
- Brenner Tumor (72)
- Brenner Tumor of Ovary (54)
- Brief, Resolved, Unexplained Event (7)
- Brittle Cornea Syndrome (1)
- Brittle Diabetes (9)
- Broken Heart Syndrome (43)
- Bronchial Adenomas/carcinoids Childhood (1)
- Bronchial Diseases (4,245)
- Bronchial Fistula (2)
- Bronchial Hyperreactivity (51)
- Bronchial Neoplasms (5,659)
- Bronchial Spasm (65)
- Bronchiectasis (295)
- Bronchiolitis (365)
- Bronchiolitis Obliterans (105)
- Bronchiolitis Obliterans Organizing Pneumonia (11)
- Bronchiolitis, Viral (43)
- Bronchitis (665)
- Bronchitis, Chronic (204)
- Bronchomalacia (15)
- Bronchopneumonia (3)
- Bronchopulmonary Dysplasia (284)
- Brown Syndrome (1)
- Brown-Sequard Syndrome (2)
- Brucellosis (55)
- Brugada Syndrome (46)
- Bruxism (80)
- Bubonic Plague (3)
- Budd-Chiari Syndrome (7)
- Buerger Disease (14)
- Bulbar Palsy, Progressive (1)
- Bulbo-Spinal Atrophy, X-Linked (20)
- Bulimia (313)
- Bulimia Nervosa (296)
- Bullous Pemphigoid (66)
- Bullying (41)
- Bundle-Branch Block (76)
- Bunion (98)
- Burkholderia Infections (15)
- Burkitt Lymphoma (632)
- Burning Mouth Syndrome (33)
- Burnout, Professional (149)
- Burnout, Psychological (409)
- Burns (955)
- Burns, Chemical (10)
- Burns, Electric (2)
- Bursitis (229)
- Buruli Ulcer (9)
- beta-Mannosidosis (1)
- beta-Thalassemia (261)