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.

2,928 conditions starting with "C"

Showing 1,751–1,800 of 2,928

Condition Trials
Clinical Stage I Esophageal Squamous Cell Carcinoma AJCC v8 4
Clinical Stage I Gastric Cancer AJCC v8 6
Clinical Stage I Gastroesophageal Junction Adenocarcinoma AJCC v8 5
Clinical Stage I HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8 10
Clinical Stage IA Cutaneous Melanoma AJCC v8 5
Clinical Stage IB Cutaneous Melanoma AJCC v8 5
Clinical Stage II Cutaneous Melanoma AJCC v8 5
Clinical Stage II Cutaneous Merkel Cell Carcinoma AJCC v8 1
Clinical Stage II Esophageal Adenocarcinoma AJCC v8 11
Clinical Stage II Esophageal Squamous Cell Carcinoma AJCC v8 6
Clinical Stage II Gastric Cancer AJCC v8 6
Clinical Stage II Gastroesophageal Junction Adenocarcinoma AJCC v8 6
Clinical Stage II HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8 11
Clinical Stage IIA Cutaneous Melanoma AJCC v8 4
Clinical Stage IIA Esophageal Adenocarcinoma AJCC v8 6
Clinical Stage IIA Gastric Cancer AJCC v8 3
Clinical Stage IIA Gastroesophageal Junction Adenocarcinoma AJCC v8 3
Clinical Stage IIB Cutaneous Melanoma AJCC v8 5
Clinical Stage IIB Esophageal Adenocarcinoma AJCC v8 5
Clinical Stage IIB Gastric Cancer AJCC v8 3
Clinical Stage IIB Gastroesophageal Junction Adenocarcinoma AJCC v8 4
Clinical Stage IIC Cutaneous Melanoma AJCC v8 5
Clinical Stage III Cutaneous Melanoma AJCC v8 24
Clinical Stage III Cutaneous Merkel Cell Carcinoma AJCC v8 5
Clinical Stage III Esophageal Adenocarcinoma AJCC v8 13
Clinical Stage III Esophageal Squamous Cell Carcinoma AJCC v8 5
Clinical Stage III Gastric Cancer AJCC v8 16
Clinical Stage III Gastroesophageal Junction Adenocarcinoma 1
Clinical Stage III Gastroesophageal Junction Adenocarcinoma AJCC v8 20
Clinical Stage III HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8 13
Clinical Stage III Merkel Cell Carcinoma AJCC v8 1
Clinical Stage IV Cutaneous Melanoma AJCC v8 33
Clinical Stage IV Cutaneous Merkel Cell Carcinoma AJCC v8 5
Clinical Stage IV Esophageal Adenocarcinoma AJCC v8 9
Clinical Stage IV Esophageal Squamous Cell Carcinoma AJCC v8 4
Clinical Stage IV Gastric Cancer AJCC v8 18
Clinical Stage IV Gastroesophageal Junction Adenocarcinoma 1
Clinical Stage IV Gastroesophageal Junction Adenocarcinoma AJCC v8 15
Clinical Stage IV HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8 9
Clinical Stage IV Merkel Cell Carcinoma AJCC v8 1
Clinical Stage IVA Esophageal Adenocarcinoma AJCC v8 5
Clinical Stage IVA Esophageal Squamous Cell Carcinoma AJCC v8 2
Clinical Stage IVA Gastric Cancer AJCC v8 10
Clinical Stage IVA Gastroesophageal Junction Adenocarcinoma 1
Clinical Stage IVA Gastroesophageal Junction Adenocarcinoma AJCC v8 9
Clinical Stage IVB Esophageal Adenocarcinoma AJCC v8 4
Clinical Stage IVB Esophageal Squamous Cell Carcinoma AJCC v8 1
Clinical Stage IVB Gastric Cancer AJCC v8 8
Clinical Stage IVB Gastroesophageal Junction Adenocarcinoma A 1
Clinical Stage IVB Gastroesophageal Junction Adenocarcinoma AJCC v8 5
Data sourced from official public datasets. See our methodology for details.