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 501–550 of 2,835

Condition	Trials	Recruiting
Acute Traumatic Spinal Cord Injury	1	1
Acute Treatment of Migraine	2	2
Acute Type B Aortic Dissection (Uncomplicated)	1	1
Acute Undifferentiated Leukemia	9	4
Acute Undifferentiated Leukemia (AUL)	1	-
Acute Urinary Tract Infection	1	-
Acute Wounds	1	-
Acute Wounds From Trauma	1	-
Acute Zonal Occult Outer Retinopathy	1	1
Acute-graft-versus-host Disease	8	3
Acute-On-Chronic Liver Failure	1	1
Acutely Perforated Marginal Ulcer	1	-
AD	1	1
Adalimumab	1	-
Adamantinomatous Craniopharyngioma	2	1
Adamantinous Craniopharyngioma	1	1
Adaptation	1	-
ADD	1	1
Addiction	17	5
Addiction Nicotine	1	1
Addiction, Drug	1	-
Addiction, Opioid	3	2
Addictive Behaviors	2	-
Additional Indications Below for Module 4 and 5	1	-
Adductor Canal Block	3	1
Adductor Spastic Dysphonia of Dystonia	1	1
Adenine Phosphoribosyltransferase Deficiency	1	1
Adeno-Associated Virus (AAV)	1	-
Adenocarcinoma	27	7
Adenocarcinoma (NOS)	1	1
Adenocarcinoma Esophagus	2	1
Adenocarcinoma of Biliary Tract	1	1
Adenocarcinoma of Esophagus	1	1
Adenocarcinoma of Lung	6	4
Adenocarcinoma of Ovary	1	-
Adenocarcinoma of Pancreas	1	1
Adenocarcinoma of Prostate	1	-
Adenocarcinoma of the Bladder	1	1
Adenocarcinoma of the Breast	1	-
Adenocarcinoma of the Colon	8	3
Adenocarcinoma of the Esophagus	3	-
Adenocarcinoma of the Gallbladder	1	-
Adenocarcinoma of the Gastroesophageal Junction	8	-
Adenocarcinoma of the Lower Rectum	1	-
Adenocarcinoma of the Lung	4	-
Adenocarcinoma of the Pancreas	11	2
Adenocarcinoma of the Prostate	22	-
Adenocarcinoma of the Prostate Stage I	1	-
Adenocarcinoma of the Prostate Stage II	1	-
Adenocarcinoma of the Prostate Stage III	1	-

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