2026 data ClinicalTrials.gov official source

Conditions: A

Compiled by PlainTrial · January 1, 2026

Every condition beginning with A that has a registered US clinical trial, with how many studies cover each.

2,809 conditions starting with "A"

Showing 101–150 of 2,809

Condition	Trials	Recruiting
Abuse Cannabis	1	1
Abuse Liability	1	1
Abuse Opioids	1	1
Abuse Tobacco	1	1
Abuse, Child	1	-
Abuse, Drug	5	3
Abuses Over-The-Counter/Prescription Medications	1	-
Academic Acheivement	1	-
Academic Achievement	2	1
Acanthamoeba Keratitis	1	1
Acanthosis Nigricans	1	-
ACC	3	1
Accelerated Phase Chronic Myelogenous Leukemia	12	-
Accelerated Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive	10	2
Accelerated Phase CML, BCR-ABL1 Positive	1	-
Accelerated Phase Myeloproliferative Neoplasm	2	2
Accelerated Phase of Disease	1	-
Accelerometers	1	1
Acceptability	5	3
Acceptability of Health Care	4	2
Acceptance and Commitment Therapy	3	1
Acceptance Processes	1	-
Access and Linkage to Healthcare	1	1
Accessory; Breast Tissue	1	-
Accident	1	-
Accident, Traffic	1	1
Accidental Fall	10	2
Accidental Falls	13	4
Accidental Injuries	1	-
Accidental Overdose of Opiate	1	-
Accidents, Traffic	1	-
Accommodation	2	1
Accommodative Insufficiency	1	-
Accuracy of Estimation of Joint Range of Motion	1	-
Accuracy of Pulse Oximetry Across Skin Pigmentation Levels	1	1
Accuracy of Tissue Diagnosis	1	-
Accurate and Complete Data Acquisition for Clinical Trials	1	-
ACDF Surgery	1	1
Acellular Pertussis	4	-
Acetabular Fracture	2	2
Acetabular Labral Tear	2	-
Acetabular Labrum Tear	3	2
Acetabulum Fractures	1	-
Acetaminophen (D000082)	1	1
Acetylcholine Release Inhibitors	1	1
Achalasia	8	4
Achalasia, Esophageal	1	1
Achievement	3	2
Achilles Injuries Tendon	1	1
Achilles Pain	1	-

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