Chemotherapy programs of the National Prostatic Cancer Project (NPCP)

J. D. Schmidt, W. W. Scott, R. Gibbons, D. E. Johnson, G. R. Prout, S. Loening, M. Soloway, J. B. deKernion, J. E. Pontes, N. H. Slack, G. P. Murphy

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Abstract

Results of the first nationally randomized trial of the National Prostatic Cancer Project revealed a demonstrable advantage for chemotherapy in the management of advanced disease (Stage D in relapse from endocrine therapy). Both cyclophosphamide and 5-Fluorouracil showed improved activity over standard therapy. A second trial for patients previously irradiated, with less tolerance to myelosuppressive agents, revealed an advantage for estramustine phosphate and streptozotocin over standard therapy. Subsequently completed trials have revealed activity for prednimustine and imidazole carboxamide (DTIC). Trials currently underway for newly-diagnosed Stage D and for Stage D disease clinically stable to diethylstilbestrol (DES) show promising activity for DES combined with cyclophosphamide. Current trials with single agents in advanced disease are comparing methyl-CCNU and hydroxyurea with cyclophosphamide; another is evaluating estramustine phosphate and vincristine alone and in combination. The use of chemotherapy in earlier staged patients as adjuvants to definitive surgery or irradiation is underway in two clinical trials, where the effect of cyclophosphamide and estramustine phosphate as long-term therapies is compared with no additional treatment.

Original languageEnglish
Pages (from-to)1937-1946
Number of pages10
JournalCancer
Volume45
Issue number7 Suppl
StatePublished - Jun 13 1980
Externally publishedYes

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ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Schmidt, J. D., Scott, W. W., Gibbons, R., Johnson, D. E., Prout, G. R., Loening, S., Soloway, M., deKernion, J. B., Pontes, J. E., Slack, N. H., & Murphy, G. P. (1980). Chemotherapy programs of the National Prostatic Cancer Project (NPCP). Cancer, 45(7 Suppl), 1937-1946.