2026 data ClinicalTrials.gov official source

Conditions: C

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

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2,954 conditions starting with "C"

Showing 2,151–2,200 of 2,954

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Condition Trials
Combined Hepatocellular Carcinoma and Cholangiocarcinoma 1
Comfort 1
Comfort, Vision and Wear Time 1
Commercial Sex 1
Common Bile Duct Neoplasms 1
Common Childhood Illnesses 1
Common Cold 6
Common Femoral Artery Stenosis 1
Common Iliac Artery Aneurysms 1
Common Infections 1
Common Variable Hypogammaglobulinemia 1
Common Variable Immune Deficiency 1
Common Variable Immunodeficiency 8
Common Variable Immunodeficiency (CVID) 2
Common Wart 2
Common Warts 4
Common Warts (Verruca Vulgaris) 2
Communicable Disease 1
Communicating Hydrocephalus 1
Communication 35
Communication Disabilities 1
Communication Disorder, Childhood 2
Communication Disorder, Social 1
Communication Disorders 3
Communication Research 7
Communication, Multidisciplinary 1
Communication, Nonverbal 1
Communication, Personal 2
Communication, Social 1
Community Acquired Pneumonia (CAP) 3
Community Acquired Pneumonia in Children 1
Community Building 1
Community Health Education 1
Community Health Services 1
Community Health Worker 2
Community Health Workers 4
Community Mental Health Services 3
Community Mobility of Older Adults 1
Community Networks 1
Community Participation 1
Community Reinforcement And Family Training 4
Community Reintegration 1
Community Sense 1
Community Violence 2
Community-acquired Bacterial Pneumonia 1
Community-Acquired Bacterial Pneumonia (CABP) 1
Community-acquired Pneumonia 10
Community-acquired Pneumonia, Influenza, COVID-19 1
Community-based 1
Community-dwelling Older Adults 1

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