2026 data ClinicalTrials.gov official source

Conditions: A

Compiled by PlainTrial Editorial, Clinical Trial Intelligence Editorial Team · January 1, 2026

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

2,835 conditions starting with "A"

Showing 251–300 of 2,835

Condition	Trials	Recruiting
Active Refractory Rheumatoid Arthritis	1	1
Active Rheumatoid Arthritis	1	-
Active Solid Malignancy	1	-
Active Systemic Lupus Erythematosus	1	-
Active Ulcerative Colitis (UC)	1	1
Activities of Daily Living	2	-
Activities of Daily Living Following Complex Spinal Fusions	1	-
Activity Trackers	1	1
Activity, Motor	8	6
Activity, Sexual	1	-
ACTL6B	1	1
Actual Impaired Fluid Volume	1	-
Acupressure	1	-
Acupuncture	6	3
Acupuncture Therapy	1	1
Acute Abstinence From Cigarettes vs E-cigarettes (ENDS)	2	2
Acute Alcohol Intoxication	1	-
Acute Alcoholic Hepatitis	1	-
Acute and Chronic Non-radicular LBP	1	-
Acute Aortic Dissection	2	1
Acute Apical Abscess	1	1
Acute Appendicitis	5	1
Acute Back Injury	1	-
Acute Bacterial Corneal Ulcers	1	-
Acute Bacterial Sinusitis	1	-
Acute Bacterial Skin and Skin Structure Infections	3	-
Acute Bilineal Leukemia	4	1
Acute Biphenotypic Leukemia	13	6
Acute Biphenotypic Leukemia (ABL)	1	-
Acute Blood Loss	1	-
Acute Blood Loss Anemia	3	2
Acute Brain Injuries	1	-
Acute Brain Injury	5	1
Acute Brainstem/Cerebellar Syndrome	1	-
Acute Cannabis-induced CNS Depression	1	1
Acute Cardiac Syndrome	1	-
Acute Care Medical	1	1
Acute Care Service Utilization	1	-
Acute Cellular Graft Rejection	1	-
Acute Cerebrovascular Accident	2	-
Acute Cerebrovascular Disease	1	1
Acute Chest Pain	1	-
Acute Chest Syndrome	4	2
Acute Comminuted Articular Fracture of Elbow Joint Surfaces	1	1
Acute Compartment Syndrome	2	1
Acute Congestive Heart Failure	1	-
Acute Copd Exacerbation	1	1
Acute Coronary Syndrome	41	6
Acute Coronary Syndrome (ACS)	2	-
Acute Coronary Syndromes	4	1

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