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 2,701–2,750 of 2,835

Condition	Trials	Recruiting
Auricular Stimulation	1	1
Auriculotherapy	1	1
Autism	105	49
Autism Disorder	3	1
Autism in Children	1	1
Autism or Autistic Traits	3	2
Autism Sibling	2	1
Autism Spectrum Disorder	225	112
Autism Spectrum Disorder (ASD)	17	11
Autism Spectrum Disorder High-Functioning	1	1
Autism Spectrum Disorder With Impaired Functional Language	1	-
Autism Spectrum Disorders	21	1
Autistic Behavior	1	-
Autistic Disorder	28	5
Autistic Disorders Spectrum	2	1
Autistic Spectrum Disorder	2	-
Autistic Spectrum Disorder (ASD)	1	-
Autistic Spectrum Disorders	2	-
Auto-Brewery Syndrome	1	1
Autoantibody Positive	1	-
Autobiographical Memory	1	1
Autogenous Bone Graft	1	-
Autografts	1	-
Autoimmune	2	1
Autoimmune Blistering Disease	1	-
Autoimmune Bullous Dermatosis	1	1
Autoimmune Diabetes	7	3
Autoimmune Disease	11	7
Autoimmune Diseases	26	14
Autoimmune Diseases of the Nervous System	3	1
Autoimmune Disorder	2	1
Autoimmune Disorders	4	4
Autoimmune Encephalitis	2	2
Autoimmune Epilepsy	1	-
Autoimmune Gastrointestinal Dysmotility	1	-
Autoimmune Haemolytic Anaemia	1	1
Autoimmune Hair Loss	1	-
Autoimmune Hemolytic Anemia	1	-
Autoimmune Hepatitis	6	5
Autoimmune Inner Ear Disease	2	1
Autoimmune Liver Disease	3	3
Autoimmune Lymphoproliferative	4	3
Autoimmune Lymphoproliferative Syndrome	1	1
Autoimmune Pancreatitis	3	-
Autoimmune Polyendocrinopathy Candidiasis Ectodermal Dystrophy (Apeced)	1	1
Autoimmune Polyendocrinopathy Candidiasis Ectodermal Dystrophy Enteritis	1	1
Autoimmune Pulmonary Alveolar Proteinosis	2	-
Autoimmune Small Fiber Neuropathy	1	1
Autoimmunity	3	2
Autoimmunity, Inflammation	1	1

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