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 1,551–1,600 of 2,954

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Condition Trials
Chronic Rhinitis 7
Chronic Rhinosinusitis 5
Chronic Rhinosinusitis (CRS) 2
Chronic Rhinosinusitis (CRS) With and Without Nasal Polyps 2
Chronic Rhinosinusitis (Diagnosis) 10
Chronic Rhinosinusitis Phenotype With Nasal Polyps (CRSwNP) 1
Chronic Rhinosinusitis With Nasal Polyposis 1
Chronic Rhinosinusitis With Nasal Polyps 12
Chronic Rhinosinusitis With Nasal Polyps (CRSwNP) 1
Chronic Rhinosinusitis Without Nasal Polyps 3
Chronic Scalp Psoriasis 1
Chronic Schizophrenia 1
Chronic Sinusitis 10
Chronic Skin Ulcers 1
Chronic Spinal Cord Injury 2
Chronic Spine Pain 1
Chronic Spontaneous Urticaria 19
Chronic Spontaneous Urticaria (CSU) 1
Chronic Stable Angina 4
Chronic Stable Angina Pectoris 1
Chronic Stable Heart Failure 1
Chronic Stable Illness 1
Chronic Stable Plaque Psoriasis 1
Chronic Stress 5
Chronic Stroke 21
Chronic Stroke Patient 1
Chronic Stroke Patients 3
Chronic Stroke Survivors 2
Chronic Subdural Hematoma 5
Chronic Temporomandibular Disorders (TMD) 1
Chronic Thromboembolic Disease 1
Chronic Thromboembolic Pulmonary Hypertension 7
Chronic Tic Disorder 3
Chronic Tic Disorders 1
Chronic Total Occlusion 3
Chronic Total Occlusion of Artery of the Extremities 3
Chronic Total Occlusion of Coronary Artery 4
Chronic Toxic Stress 1
Chronic Traumatic Encephalopathy 3
Chronic Traumatic Encephalopathy (CTE) 1
Chronic Ulcer 1
Chronic Ulcer of Lower Extremity 2
Chronic Urticaria 1
Chronic Urticaria (CU): Chronic Inducible Urticaria (CINDU) and Chronic Spontaneous Urticaria (CSU) 1
Chronic Urticaria, Idiopathic 1
Chronic UTI 1
Chronic Vascular Ulcer 1
Chronic Venous Disorder 1
Chronic Venous Insufficiency 4
Chronic Venous Insufficiency, CVI 1

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