1B Intravesical Administration of SCH 721015 (Ad-IFNa) in Admixture With SCH 209702 (Syn3) for The Treatment of BCG Refractory Superficial Bladder Cancer

Inclusion Criteria:

1. Subjects must be willing to give written informed consent and be able to adhere to dose and visit schedules.
2. Histologically proven recurrent urothelial carcinoma of the bladder or prostatic urethra, Stage Tis, Ta
3. Patients with recurrent T1 disease who do not wish to have cystectomy.
4. Subjects must have failed at least two prior courses of BCG with or without recombinant interferon alpha administration or be BCG intolerant. This includes either two six week induction courses of BCG or a 6 week induction course followed by a 3 week mini-induction course of maintenance BCG.
5. At least 3 months must have passed since last BCG therapy or intravesical treatment for bladder carcinoma.
6. Subjects must be 18 years of age or older
7. Life expectancy of at least 3 months
8. Adequate performance status (Karnofsky score \>/= 70%)
9. Adequate laboratory values. a) Hemoglobin \>/=10 gm/dL. b) White blood cell count (WBC) \>/= 3000/µL. c) Absolute neutrophil count (ANC) \>/= 1500/µL. d) Platelet count \>/=100,000/µL. e) PT \</= 1.5 x upper limit of normal (ULN). f) Activated partial thromboplastin time (aPTT) \</= 1.5 x ULN. g) AST \</=1.5 x ULN. h) ALT \</= 1.5 x ULN. i) Total bilirubin \</= 1.5 x ULN. j) Creatinine \</=1.5 x ULN.
10. Female subjects of childbearing potential (Female subjects who are not surgically sterilized, not at least 1 year postmenopausal) must agree to use adequate contraception (e.g. intrauterine device (IUD), condom plus spermicide, diaphragm, or cervical cap plus spermicide) or medical contraception: during the study and for at least 1 month prior to drug administration and for 4 months after treatment. Females who are not currently sexually active must agree and consent to use one of the above-mentioned methods should they become sexually active while participating in the Study.
11. Male subjects who are sexually active must agree to use a condom from the beginning of treatment and for 1 month after the last dose

Exclusion Criteria:

1. Pregnant or nursing women
2. Suspected hypersensitivity to interferon alpha
3. Participation in another clinical trial or use of any investigational drug within 30 days prior to study entry
4. Subjects with organ transplants
5. Any known preexisting medical condition that could interfere with the subject's participation in and completion of the study such as:
6. b. Central nervous system (CNS) trauma or active seizure disorders requiring medication
7. c. Significant cardiovascular dysfunction within the past 6 months including symptomatic cardiac ischemia, arrhythmia or congestive heart failure requiring hospitalization or emergency room visit within last 3 months
8. d. Poorly controlled diabetes mellitus (HbA1C \>10.0%);
9. e. Unstable pulmonary disease requiring hospitalization or emergency room visit within the last 3 months.
10. f. Immunologically mediated disease (eg, rheumatoid arthritis, autoimmune hepatitis, immune mediated glomerulonephritis).
11. Donation of blood within the preceding 60 days prior to study registration.
12. Any other condition that, in the opinion of the investigator, would make the subject unsuitable for enrollment or could interfere with the subject participating in and completing the protocol.
13. History of any clinically significant local or systemic infectious disease within 4 weeks prior to initial treatment administration
14. Untreated bladder infection
15. Positive for hepatitis BsAg or HIV Ab or hepatitis C
16. Immunosuppressive therapy within the last 3 months
17. Subjects who are part of the staff personnel directly involved with this study
18. Subjects who are family members of the investigational study staff
19. Traumatic catheterization within 1 month