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 401–450 of 1,103

Condition	Trials	Recruiting
Biphasic Mesothelioma	2	-
Biphenotypic Acute Leukemia	2	2
Biphenotypic/Undifferentiated Leukemia	1	-
Bipolar	2	2
Bipolar 1 Disorder	4	3
Bipolar Affective Disorder	1	-
Bipolar and Related Disorders	2	1
Bipolar Depression	30	8
Bipolar Disorder	163	37
Bipolar Disorder (BD)	1	1
Bipolar Disorder (BPD)	2	1
Bipolar Disorder 1	1	1
Bipolar Disorder Depression	1	1
Bipolar Disorder I	4	2
Bipolar Disorder I or II	3	3
Bipolar Disorder I or II With a Major Depressive Episode	1	1
Bipolar Disorder II	2	1
Bipolar Disorder NOS	3	2
Bipolar Disorder Type 1	1	1
Bipolar Disorder Type I With Mania	1	1
Bipolar Disorder Type I With Mania or Mania With Mixed Features	1	1
Bipolar Disorder, Manic	2	2
Bipolar Disorders	1	1
Bipolar Electrocautery	1	1
Bipolar I Depression	2	-
Bipolar I Disorder	27	10
Bipolar I Disorder, Unspecified, With Psychotic Features	1	-
Bipolar I Disorder, Unspecified, Without Psychotic Features	1	-
Bipolar I or II Disorder	1	1
Bipolar II Depression	1	-
Bipolar II Disorder	14	7
Bipolar II Disorder, Most Recent Episode Major Depressive	2	2
Bipolar Spectrum Disorder	1	1
Bipolar-I Disorder With Mania or Mania With Mixed Features	1	1
Birdshot Chorioretinitis	2	2
Birt-Hogg-Dube Syndrome	1	1
Birth Asphyxia	2	-
Birth Control	2	-
Birth Control Compliance	1	-
Birth Defect	3	1
Birth Defects	2	1
Birth Outcome, Adverse	2	2
Birth Outcomes	1	-
Birth Outcomes, Adverse	1	1
Birth Spacing	1	-
Birth Weight	2	1
Birth-weight-for-gestational-age z Score	1	1
Bisphosphonate-associated ONJ	1	-
Bisphosphonate-Associated Osteonecrosis of the Jaw	2	-
Bites and Stings	1	-

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