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 51–100 of 2,835

Condition	Trials	Recruiting
Abdominal Wall Fistula	1	1
Abdominal Wall Hernia	2	2
Abdominal Wall Injury	1	1
Abdominal Wound Dehiscence	1	1
Abdominolpelvic Surgery	2	-
Abdominopelvic Sarcomas	1	1
Abdominoplasty	1	-
Aberration, Corneal Wavefront	1	-
Ability to Influence Behavior	1	-
Abiraterone Acetate	1	-
Ablation	5	4
Ablation Techniques	1	1
Able Bodied	2	2
Abnormal Breast Screening	2	-
Abnormal DNA Repair	1	-
Abnormal Glucose Tolerance	1	1
Abnormal Heart Rhythms	1	1
Abnormal Uterine Bleeding	3	2
Abnormal Vascular Flow	1	1
Abnormalities	3	1
Abnormalities, Cardiovascular	1	-
Abnormalities, Digestive System	1	1
Abnormalities, Drug-Induced	1	-
Abnormalities, Multiple	1	-
Abnormality in Fetal Heart Rate or Rhythm	1	-
Abnormality, Respiratory System	1	-
Abortion	3	1
Abortion Early	2	2
Abortion in First Trimester	4	1
Abortion in Second Trimester	1	-
Abortion, Habitual	1	-
Abortion, Induced	3	-
Abortion, Second Trimester	2	1
Abortion, Threatened	1	-
Abortion; Attempted	1	1
Above Elbow Amputation	1	1
Above Knee Amputation	1	-
Abruptio Placentae	1	-
Abscess	14	1
Abscesses	1	-
Absence Epilepsy	1	1
Absence of CNS Metastases	1	-
Absence of Uterus	1	1
Absence; Kidney	1	-
Absolute Uterine Infertility	1	-
Absorption	2	-
Absorption of Carotenoids From Vegetables	1	-
Absorption; Chemicals	2	-
Abstinence, Sex	1	1
Abulia	2	1

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