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 2,501–2,550 of 2,809

Condition	Trials	Recruiting
Asymmetric Hearing Loss	1	-
Asymmetrical Hearing Loss	1	-
Asymptomatic	1	-
Asymptomatic Bacteriuria	2	1
Asymptomatic Carotid Artery Stenosis	2	1
Asymptomatic Carotid Stenosis (50-69%)	1	1
Asymptomatic Condition	1	-
Asymptomatic COVID-19	1	-
Asymptomatic COVID-19 Infection Laboratory-Confirmed	1	-
Asymptomatic Left Ventricular Systolic Dysfunction (Disorder)	1	-
Asystole	1	-
At Risk for AD-dementia, With Subjective Cognitive Decline	1	1
At Risk for Cognitive Decline	1	-
At Risk for HIV	1	-
At Risk for Type 2 Diabetes Mellitus	1	1
Ataxia	5	3
Ataxia, Cerebellar	1	1
Ataxia-Telangiectasia	2	-
Ataxia-Telangiectasia (A-T)	1	-
Atelectasis	4	1
ATFL	1	1
Atheroscleroses, Coronary	1	1
Atherosclerosis	70	16
Atherosclerosis of Arteries of the Extremities, Unspecified	1	-
Atherosclerosis of Coronary Artery	1	-
Atherosclerosis of Extremities	1	1
Atherosclerosis, Coronary	1	-
Atherosclerotic Cardiovascular Disease	22	6
Atherosclerotic Cardiovascular Disease (ASCVD)	5	3
Atherosclerotic Cardiovascular Disease in Patients With ESKD	1	1
Atherosclerotic Coronary Vascular Disease	1	1
Atherosclerotic Disease	1	1
Atherosclerotic Disease, Carotid	1	-
Atherosclerotic Heart Disease	1	-
Atherosclerotic Heart Disease of Native Coronary Artery	1	1
Atherosclerotic Plaque	2	-
Atherosclerotic Renal Artery Stenosis	1	-
Atherosclerotic Vascular Disease	1	-
Atherothrombosis	1	-
Athlete	2	2
Athlete Support	1	1
Athlete's Foot	2	-
Athletes	1	1
Athletic Injuries	4	2
Athletic Performance	2	-
ATLL	1	1
ATM Gene Mutation	7	4
Atopic	1	1
Atopic Dermatitis	151	55
Atopic Dermatitis (AD)	8	6

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