2026 data ClinicalTrials.gov official source

Conditions: A

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

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2,832 conditions starting with "A"

Showing 1,451–1,500 of 2,832

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Condition Trials
Alopecia 14
Alopecia Areata 27
Alopecia Areata (AA) 2
Alopecia Areata(AA) 1
Alopecia Drugs 1
Alopecia Partialis 1
Alopecia Totalis 3
Alopecia Universalis 3
Alopecia, Androgenetic 4
Alpha 1-Antitrypsin 1
Alpha and Beta Thalassemia 1
Alpha Stim 1
Alpha Thalassemia Major 1
Alpha Thalassemia Minor 1
Alpha-1 Antitrypsin Deficiency 19
Alpha-1 Antitrypsin Deficiency (AATD) 1
Alpha-Dystroglycanopathy (Congenital Muscular Dystrophy and Abnormal Glycosylation of Dystroglycan With Severe Epilepsy) 1
Alpha-Dystroglycanopathy (Congenital Muscular Dystrophy With Fatty Liver and Infantile-onset Cataract Caused by TRAPPC11 Mutations) 1
Alpha-Dystroglycanopathy (Congenital Muscular Dystrophy With Hypoglycosylation of Dystroglycan) 1
Alpha-Dystroglycanopathy (Dystroglycanopathy, Congenital With or Without Mental Retardation (Formerly MDC1C)) 1
Alpha-Dystroglycanopathy (Fukuyama CMD) 1
Alpha-Dystroglycanopathy (LGMDR09 FKRP Related (Formerly LGMD2I)) 1
Alpha-Dystroglycanopathy (LGMDR11 POMT1 Related (Formerly LGMD2K)) 1
Alpha-Dystroglycanopathy (LGMDR13 FKTN Related (Formerly LGMD2M)) 1
Alpha-fetoprotein (AFP)-Producing Gastric Cancer 1
Alpha-Gal Syndrome 2
Alpha-Mannosidosis 2
Alpha-pinene 1
Alpha-Thalassemia 3
Alpha1-Antitrypsin Deficiency 6
ALPK1 1
Alport Nephropathy 1
Alport Syndrome 6
ALS 20
ALS (Amyotrophic Lateral Sclerosis) 7
ALS With Frontotemporal Dementia (ALS/FTD) 1
ALS-Frontotemporal Dementia 2
ALT 1
ALTE 1
Alteration in Mental Status 1
Alteration of Cognitive Function 1
Altered Heparin Response 1
Altered Level of Consciousness 1
Altered Mental Status 2
Altitude 1
Altitude Edema 1
Altitude Hypoxia 2
Altitude Sickness 1
Alveolar Bone Grafting 3
Alveolar Bone Loss 2

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