Oct 1, 1989

Expression of blood group precursor T antigen as a prognostic marker for human bladder cancer treated by bacillus Calmette-Guerin and interleukin-2

The Journal of Urology
J A DowA T Cockett


The relationship between T antigen expression in transitional cell carcinoma of the bladder and response to bacillus Calmette-Guerin plus interleukin-2 treatment was studied. A total of 25 patients received combined treatment with bacillus Calmette-Guerin and interleukin-2 at weekly instillations for 6 consecutive weeks and then monthly for 1 year. T antigen expression in all patients was studied before treatment. Of the patients 16 had positive T antigen expression in the tumors: 13 (81%) remained free of tumor for an average of 28 months, 3 had a noninvasive recurrence each at 8 to 27 months (mean 18 months) and all responded well to a repeated treatment cycle. Nine patients were negative for T antigen: 1 (11%) remained free of tumor for 11 months, while 8 had recurrence within 12 months. Of the latter 8 patients 2 had noninvasive recurrence each at 4 to 5 months but they responded to a repeated treatment cycle and remained free of tumor for 4 to 22 months (mean 13 months), 4 had subsequent repeated recurrences at 12 to 41 months (mean 22 months) and 2 had progression to deep invasion resulting in cystectomy at 11 to 12 months. Thus, the disease-free rate (continuous complete response) in patients with tumors positive for T a...Continue Reading

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Mentioned in this Paper

Bladder Neoplasm
Viral Tumor Antigens
Urinary Bladder Diseases
Bladder Cancer Pathway
Recurrent Malignant Neoplasm
Tumor Markers
BCG Vaccine
Antigens, Tumor-Associated, Carbohydrate

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