• Cachexia   54 studies
• Calcinosis   15 studies
• Calculi   93 studies
• Campylobacter Infections   1 study
• Canavan Disease   3 studies
• Candidiasis   97 studies
• Candidiasis, Oral   29 studies
• Candidiasis, Vulvovaginal   7 studies
• Carbamoyl-Phosphate Synthase I Deficiency Disease   1 study
• Carbon Monoxide Poisoning   4 studies
• Carbuncle   2 studies
• Carcinoid syndrome   35 studies
• Carcinoid Tumor   99 studies
• Carcinoma   4528 studies
• Carcinoma in Situ   168 studies
• Carcinoma, Adenoid Cystic   65 studies
• Carcinoma, Adenosquamous   63 studies
• Carcinoma, Basal Cell   133 studies
• Carcinoma, Basosquamous   16 studies
• Carcinoma, Bronchogenic   10 studies
• Carcinoma, Ductal   69 studies
• Carcinoma, Ductal, Breast   105 studies
• Carcinoma, Endometrioid   48 studies
• Carcinoma, Giant Cell   2 studies
• Carcinoma, Hepatocellular   306 studies
• Carcinoma, Intraductal, Noninfiltrating   72 studies
• Carcinoma, Islet Cell   37 studies
• Carcinoma, Large Cell   7 studies
• Carcinoma, Lobular   33 studies
• Carcinoma, Medullary   34 studies
• Carcinoma, Merkel Cell   11 studies
• Carcinoma, Neuroendocrine   246 studies
• Carcinoma, Non-Small-Cell Lung   1470 studies
• Carcinoma, Pancreatic Ductal   3 studies
• Carcinoma, Papillary   23 studies
• Carcinoma, Papillary, Follicular   1 study
• Carcinoma, Renal Cell   559 studies
• Carcinoma, Small Cell   380 studies
• Carcinoma, Squamous Cell   686 studies
• Carcinoma, squamous cell of head and neck   158 studies
• Carcinoma, Transitional Cell   151 studies
• Carcinosarcoma   34 studies
• Cardiac Complexes, Premature   17 studies
• Cardiac Output, High   3 studies
• Cardiac Output, Low   13 studies
• Cardiac Tamponade   1 study
• Cardiogenital syndrome   1 study
• Cardiomegaly   74 studies
• Cardiomyopathies   196 studies
• Cardiomyopathy, Alcoholic   1 study
• Cardiomyopathy, Dilated   41 studies
• Cardiomyopathy, Hypertrophic   36 studies
• Cardiomyopathy, Hypertrophic, Familial   3 studies
• Cardiomyopathy, Restrictive   1 study
• Cardiospasm   10 studies
• Cardiovascular Abnormalities   245 studies
• Cardiovascular Infections   13 studies
• Carney syndrome   2 studies
• Carnitine palmitoyl transferase 2 deficiency   1 study
• Caroli Disease   1 study
• Carotid Artery Diseases   108 studies
• Carotid Artery Injuries   1 study
• Carotid Stenosis   52 studies
• Carpal Tunnel Syndrome   28 studies
• Cataplexy   9 studies
• Cataract   189 studies
• Catatonia   2 studies
• Causalgia   7 studies
• Celiac Disease   29 studies
• Cellulitis   22 studies
• Central Cord Syndrome   4 studies
• Central Nervous System Diseases   4200 studies
• Central Nervous System Infections   284 studies
• Central nervous system lymphoma, primary   164 studies
• Central Nervous System Neoplasms   804 studies
• Central serous chorioretinopathy   10 studies
• Centrotemporal epilepsy   2 studies
• Ceramide trihexosidosis   42 studies
• Cerebellar Ataxia   12 studies
• Cerebellar degeneration   1 study
• Cerebellar Diseases   26 studies
• Cerebral Amyloid Angiopathy   1 study
• Cerebral aneurysm   6 studies
• Cerebral Arterial Diseases   12 studies
• Cerebral Hemorrhage   44 studies
• Cerebral Infarction   769 studies
• Cerebral Palsy   87 studies
• Cerebrospinal fluid leak   1 study
• Cerebrospinal Fluid Rhinorrhea   1 study
• Cerebrotendinous xanthomatosis   2 studies
• Cerebrovascular Disorders   873 studies
• Cerebrovascular Trauma   3 studies
• Ceroid lipofuscinosis, neuronal   5 studies
• Ceroid lipofuscinosis, neuronal 3, Juvenile   5 studies
• Cervical Intraepithelial Neoplasia   70 studies
• Chagas Cardiomyopathy   2 studies
• Chagas Disease   9 studies
• Chalazion   1 study
• Chandler's syndrome   2 studies
• Charcot-Marie-Tooth Disease   42 studies
• Charcot-Marie-Tooth disease with pyramidal features, autosomal dominant   1 study
• Charcot-Marie-Tooth disease, Type 1A   2 studies
• Chediak-Higashi Syndrome   8 studies
• Chest Pain   196 studies
• Cheyne-Stokes Respiration   6 studies
• Chickenpox   71 studies
• Chikungunya   1 study
• Child Behavior Disorders   3 studies
• Child Development Disorders, Pervasive   136 studies
• Childhood disintegrative disorder   2 studies
• Childhood-Onset Schizophrenia   6 studies
• Chlamydia Infections   53 studies
• Cholangiocarcinoma   60 studies
• Cholangitis   13 studies
• Cholangitis, Sclerosing   11 studies
• Cholecystitis   19 studies
• Cholecystitis, Acute   4 studies
• Cholecystolithiasis   31 studies
• Choledocholithiasis   7 studies
• Cholelithiasis   31 studies
• Cholera   20 studies
• Cholestasis   47 studies
• Cholestasis, Extrahepatic   1 study
• Cholestasis, Intrahepatic   24 studies
• Cholesteatoma   2 studies
• Cholesterol Ester Storage Disease   3 studies
• Chondrocalcinosis   2 studies
• Chondrocalcinosis 2   1 study
• Chondrosarcoma   44 studies
• Chordoma   15 studies
• Chorea   41 studies
• Chorea minor   2 studies
• Choreoacanthocytosis   1 study
• Chorioamnionitis   12 studies
• Choriocarcinoma   46 studies
• Chorioretinitis   1 study
• Choroid Diseases   101 studies
• Choroid Neoplasms   3 studies
• Choroid Plexus Neoplasms   76 studies
• Choroidal Neovascularization   112 studies
• Choroideremia   1 study
• Choroiditis   5 studies
• Chromophil renal cell carcinoma   14 studies
• Chromosomal abnormalities   148 studies
• Chromosome Aberrations   69 studies
• Chromosome Deletion   6 studies
• Chromosome Disorders   96 studies
• Chronic berylliosis   2 studies
• Chronic Disease   265 studies
• Chronic granulomatous disease   24 studies
• Chronic inflammatory demyelinating polyneuropathy   6 studies
• Chronic lymphocytic leukemia   859 studies
• Chronic myelogenous leukemia   683 studies
• Chronic myelomonocytic leukemia   295 studies
• Chronic Myeloproliferative Disorders   174 studies
• Chronic neutropenia   2 studies
• Chronic, Infantile, Neurological, Cutaneous, Articular syndrome   5 studies
• Chronobiology Disorders   22 studies
• Churg-Strauss Syndrome   12 studies
• Chylothorax   2 studies
• Chylothorax, congenital   1 study
• Cicatricial pemphigoid   2 studies
• Cicatrix   88 studies
• Cicatrix, Hypertrophic   5 studies
• Ciliary Motility Disorders   10 studies
• Citrullinemia   2 studies
• Clear cell renal cell carcinoma   78 studies
• Cleft Lip   12 studies
• Cleft Palate   19 studies
• Clostridium Infections   82 studies
• Clubfoot   9 studies
• Cluster Headache   12 studies
• COACH syndrome   1 study
• Coal worker's pneumoconiosis   4 studies
• Coats disease   2 studies
• Cocaine-Related Disorders   233 studies
• Coccidioidomycosis   9 studies
• Cockayne Syndrome   1 study
• Cogan's syndrome   1 study
• Cognition Disorders   800 studies
• Coin Lesion, Pulmonary   2 studies
• Cold agglutinin disease   1 study
• Colic   14 studies
• Colitis   209 studies
• Colitis, Collagenous   4 studies
• Colitis, Ischemic   1 study
• Colitis, Lymphocytic   3 studies
• Colitis, Microscopic   6 studies
• Colitis, Ulcerative   172 studies
• Collagen Diseases   39 studies
• Collagenous colitis   4 studies
• Colles' Fracture   8 studies
• Coloboma   2 studies
• Colonic Diseases   1442 studies
• Colonic Diseases, Functional   115 studies
• Colonic Neoplasms   220 studies
• Colonic Polyps   23 studies
• Colorectal cancer, hereditary nonpolyposis, type 1   11 studies
• Colorectal Neoplasms   1273 studies
• Colorectal Neoplasms, Hereditary Nonpolyposis   17 studies
• Coma   23 studies
• Combat Disorders   8 studies
• Combined hyperlipidemia, familial   19 studies
• Common Cold   22 studies
• Common Variable Immunodeficiency   13 studies
• Communication Disorders   85 studies
• Community-Acquired Infections   8 studies
• Compartment Syndromes   7 studies
• Complete atrioventricular canal   3 studies
• Complex Regional Pain Syndromes   29 studies
• Compulsive Behavior   26 studies
• Conduct Disorder   24 studies
• Conductive hearing loss   2 studies
• Condyloma   20 studies
• Condyloma acuminatum   20 studies
• Condylomata Acuminata   20 studies
• Cone rod dystrophy   34 studies
• Confusion   71 studies
• Congenital Abnormalities   1231 studies
• Congenital adrenal hyperplasia due to 21 hydroxylase deficiency   5 studies
• Congenital amegakaryocytic thrombocytopenia   5 studies
• Congenital cardiovascular malformations   1 study
• Congenital central hypoventilation syndrome   1 study
• Congenital cytomegalovirus   7 studies
• Congenital deafness   2 studies
• Congenital diaphragmatic hernia   6 studies
• Congenital fiber type disproportion   1 study
• Congenital heart block   3 studies
• Congenital heart septum defect   35 studies
• Congenital hemolytic anemia   1 study
• Congenital hepatic fibrosis   2 studies
• Congenital Hypothyroidism   4 studies
• Congenital megacolon   3 studies
• Congenital myopathy   2 studies
• Congenital torticollis   1 study
• Conjunctival Diseases   140 studies
• Conjunctival Neoplasms   5 studies
• Conjunctivitis   116 studies
• Conjunctivitis, Allergic   52 studies
• Conjunctivitis, Bacterial   29 studies
• Conjunctivitis, Inclusion   2 studies
• Conn's syndrome   8 studies
• Connective Tissue Diseases   1139 studies
• Conotruncal heart malformations   2 studies
• Consciousness Disorders   39 studies
• Constipation   145 studies
• Constriction, Pathologic   324 studies
• Contracture   17 studies
• Contusions   8 studies
• Convalescence   2 studies
• Conversion Disorder   5 studies
• Corneal Diseases   116 studies
• Corneal Dystrophies, Hereditary   12 studies
• Corneal dystrophy   12 studies
• Corneal dystrophy, epithelial basement membrane   1 study
• Corneal dystrophy, Fuchs' endothelial, 1   7 studies
• Corneal Edema   8 studies
• Corneal Neovascularization   10 studies
• Corneal Opacity   6 studies
• Corneal Ulcer   8 studies
• Coronary Aneurysm   2 studies
• Coronary artery aneurysm   2 studies
• Coronary Artery Disease   1312 studies
• Coronary Disease   1297 studies
• Coronary Occlusion   24 studies
• Coronary Restenosis   38 studies
• Coronary Stenosis   70 studies
• Coronary Thrombosis   7 studies
• Coronary Vasospasm   4 studies
• Corticobasal degeneration   1 study
• Cough   153 studies
• Cowden's disease   3 studies
• Coxsackievirus Infections   3 studies
• Craniocerebral Trauma   233 studies
• Craniofacial Abnormalities   35 studies
• Craniofrontonasal dysplasia   1 study
• Craniomandibular Disorders   17 studies
• Craniopharyngioma   71 studies
• Craniosynostoses   7 studies
• Cretinism   4 studies
• Creutzfeldt Jakob disease   2 studies
• Creutzfeldt-Jakob Syndrome   2 studies
• Crigler Najjar syndrome, type 1   1 study
• Crigler-Najjar Syndrome   1 study
• Critical Illness   181 studies
• Crohn Disease   248 studies
• Crohn’s disease, pediatric   9 studies
• Cross Infection   78 studies
• Croup   3 studies
• Cryoglobulinemia   2 studies
• Cryptococcosis   27 studies
• Cryptorchidism   4 studies
• Cryptosporidiosis   19 studies
• Cubital Tunnel Syndrome   1 study
• Cumulative Trauma Disorders   32 studies
• Currarino triad   1 study
• Cushing Syndrome   27 studies
• Cutaneous Fistula   1 study
• Cutaneous lupus erythematosus   15 studies
• Cutaneous T-cell lymphoma   351 studies
• Cutis Laxa   4 studies
• Cutis verticis gyrata   8 studies
• Cyanosis   2 studies
• Cyclic vomiting syndrome   6 studies
• Cystadenocarcinoma, Serous   52 studies
• Cystadenoma   1 study
• Cystic adenomatoid malformation of lung   2 studies
• Cystic Adenomatoid Malformation of Lung, Congenital   2 studies
• Cystic Fibrosis   269 studies
• Cysticercosis   11 studies
• Cystinosis   9 studies
• Cystinuria   2 studies
• Cystitis   52 studies
• Cystitis, Interstitial   40 studies
• Cystocele   453 studies
• Cystosarcoma phyllodes   2 studies
• Cysts   134 studies
• Cytomegalic inclusion disease   169 studies
• Cytomegalovirus   175 studies
• Cytomegalovirus Infections   175 studies
• Cytomegalovirus Retinitis   60 studies

Clinical Trials Authorship and Review

Clinical Trials content is provided directly by the U.S. National Institutes of Health via ClinicalTrials.gov and is not reviewed separately by ClinicalTrialsFeeds.org. Every page of specific clinical trials information contains a unique identifier which can be used to find further details directly from the National Institutes of Health.