This phase II trial studies how well 5-fluoro-2-deoxycytidine and tetrahydrouridine work in treating patients with previously treated breast cancer, head and neck cancer, non-small cell lung cancer, or urothelial cancer that has spread to other parts of the body (metastatic) or cannot be removed by surgery. 5-fluoro-2-deoxycytidine and tetrahydrouridine may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Tetrahydrouridine may also help 5-fluoro-2-deoxycytidine work better by making tumor cells more sensitive to the drug. Giving 5-fluoro-2-deoxycytidine with tetrahydrouridine may be an effective treatment for breast cancer, head and neck cancer, non-small cell lung cancer, or urothelial cancer.
Study sponsor and potential other locations can be found on ClinicalTrials.gov for NCT00978250.
PRIMARY OBJECTIVES:
I. Determine progression-free survival (PFS) and/or the response rate (complete response [CR] + partial response [PR]) of 5-fluoro-2’-deoxycytidine (FdCyd) administered 5 days per week for 2 weeks, in 28-day cycles, by intravenous infusion over 3 hours along with tetrahydrouridine (THU) in patients with breast cancer, head and neck cancer, non-small cell lung cancer, and urothelial transitional cell carcinoma.
SECONDARY OBJECTIVES:
I. Evaluate whether treatment with FdCyd and THU alters deoxyribonucleic acid (DNA) methylation patterns in tumor biopsy samples before and during treatment by long interspersed nucleotide elements-1 (LINE-1) analysis.
II. Evaluate the safety and tolerability of FdCyd (100 mg/m^2) + THU (350 mg/m^2) administered 5 days per week for 2 weeks, in 28-day cycles, by intravenous infusion over 3 hours.
III. Measure changes in the number of circulating tumor cells (CTCs) following treatment with FdCyd plus THU.
OUTLINE:
Patients receive 5-fluoro-2-deoxycytidine intravenously (IV) over 3 hours and tetrahydrouridine IV on days 1-5 and 8-12. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity.
After completion of study treatment, patients are followed up for 30 days.
Lead OrganizationNCI - Center for Cancer Research
Principal InvestigatorA P Chen