2026 data ClinicalTrials.gov official source

Conditions: C

Compiled by PlainTrial Editorial, Clinical Trial Intelligence Editorial Team · January 1, 2026

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

2,954 conditions starting with "C"

Showing 2,601–2,650 of 2,954

Condition	Trials	Recruiting
Coronary Atherosclerosis of Native Coronary Artery	1	1
Coronary Bifurcation Lesions	1	1
Coronary Bypass Graft Stenosis	2	1
Coronary Calcification	2	1
Coronary Computed Tomographic Angiography	1	1
Coronary Disease	36	1
Coronary Endothelial Dysfunction	1	-
Coronary Heart Disease	20	3
Coronary Heart Disease (CHD)	2	1
Coronary Microvascular Disease	3	1
Coronary Microvascular Dysfunction	8	5
Coronary Microvascular Dysfunction (CMD)	2	2
Coronary Occlusions	1	-
Coronary Restenosis	2	-
Coronary Revascularization	1	-
Coronary Risk Equivalent	1	-
Coronary Stenosis	6	2
Coronary Vasospasm	1	-
Coronary; Ischemic	1	1
Coronary; Obstruction	1	-
Coronaviridae Infections	1	1
Coronavirus	21	6
Coronavirus 19	1	1
Coronavirus Disease	1	-
Coronavirus Disease (COVID-19)	1	1
Coronavirus Disease 2019	5	1
Coronavirus Disease 2019 (COVID-19)	2	-
Coronavirus Infection	13	3
Coronavirus Infection (COVID-19)	1	1
Coronavirus Infections	2	1
Corpus Uteri	1	-
Correction of Functional Deformity	2	-
Correction of Nasolabial Folds and Lip Augmentation	1	-
Correction of Volume Loss in the Infraorbital Hollow Area	1	-
Correction Vision Surgery	1	1
Correctional Institutions	1	1
Correlate Tracer Uptake to TCell Tumor Infiltration & CkIT Benefit	1	1
Cortical Activation	1	1
Cortical Blindness	4	4
Cortical Inhibition	1	1
Cortical-basal Ganglionic Degeneration (CBGD)	1	-
Cortico Basal Degeneration	1	1
Corticobasal Degeneration	8	6
Corticobasal Degeneration (CBD)	4	3
Corticobasal Degeneration Syndrome	1	1
Corticobasal Syndrome	7	4
Corticobasal Syndrome (CBS)	3	2
Corticobasal Syndrome(CBS)	3	3
Corticosteroid	1	1
Cortisol	3	2

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