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Screening and Early Detection Clinical Trials – Closed to New Participants or Completed

Choose a clinical trial by name or by cancer type listed below for information on these studies to screen for or detect cancer. These trials are no longer accepting new participants, but may not be completed.

All studies are supported by NCI, but not all originate from the Division of Cancer Prevention. For cancer types not listed here, visit NCI's Clinical Trials information webpage.

Breast Cancer: Female; Male

Cervical Cancer: Cervical; ALTS Trial

Colorectal Cancer: Colorectal; Prostate, Lung, Colorectal, and Ovarian Cancer (PLCO) Screening Trial

Endometrial Cancer

Esophageal Cancer

Lung Cancer: Non-Small Cell; Pulmonary Carcinoid Tumor; Small Cell; National Lung Screening Trial (NLST); Prostate, Lung, Colorectal, and Ovarian Cancer (PLCO) Screening Trial

Oropharyngeal Cancer

Ovarian cancer: Epithelial; Germ Cell; Low Malignant Potential Tumor; Sarcoma; Stromal; Prostate, Lung, Colorectal, and Ovarian Cancer (PLCO) Screening Trial

Prostate Cancer: Prostate; Prostate, Lung, Colorectal, and Ovarian Cancer (PLCO) Screening Trial

Skin Cancer, Nonmelanomatous (Squamous and Basal Cell)

Stomach (Gastric) Cancer