- Open, Recruiting Participants
-
Breast
- A Multicenter Phase II Study of Docosahexaenoic Acid (DHA) in Triple Negative Breast Cancer Survivors
- Letrozole in Treating Healthy Postmenopausal Women at High Risk for Breast Cancer
Colon
- A Trial of Metformin for Colorectal Cancer Risk Reduction Among Patients With a History of Colorectal Adenomas and Elevated Body Mass Index
- Polyethylene Glycol 3350 in Preventing Cancer in Patients at Risk of Colorectal Cancer
- Inositol in Preventing Colorectal Cancer in Patients With Colitis-Associated Dysplasia
- Phase I, Randomized Placebo-Controlled Trial of Linaclotide to Demonstrate Colorectal Bioactivity in Healthy Volunteers
Esophagus
Head and Neck
Lung
Other
Prostate
- Ongoing, Not Recruiting Participants
-
Esophagus
- Erlotinib Hydrochloride in Treating Patients With Previously Treated Non-Small Cell Lung Cancer, Head and Neck Cancer, or Esophageal Cancer and Precancerous Lesions of the Lung
- Metformin Hydrochloride in Preventing Esophageal Cancer in Patients With Barrett Esophagus
Liver
Lung
- Closed
-
(When results are published, the trial moves to publications.)
Bladder
Breast
- 4-Hydroxytamoxifen or Tamoxifen Citrate in Treating Women With Newly Diagnosed Ductal Breast Carcinoma in Situ
- A Phase I Prevention Study of Atorvastatin in Women at Increased Risk for Breast Cancer
- Acolbifene for Breast Cancer Chemoprevention
Colon
- Aspirin in Preventing Colorectal Cancer in Patients at Increased Risk of Colorectal Cancer
- Erlotinib Hydrochloride in Treating Patients With Stage I-III Colorectal Cancer or Adenoma
Esophagus
Lung
Prostate
Skin
Biomarker & Dose-Finding Studies