Cisplatin and novobiocin in the treatment of non‐small cell lung cancer. A southwest oncology group study

Georgiana K. Ellis, Robert B. Livingston, John Crowley, John W. Goodwin, Laura Hutchins, Ace Allen

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20 Scopus citations

Abstract

Novobiocin, a commercially available oral antibiotic, inhibits DNA topoisomerase II in a manner shown in cell culture to enhance the cytotoxicity of alkylating agents and cisplatin. Thirty‐six patients were entered on a Phase II trial using high‐dose cisplatin (100 mg/m2 on days 1 and 8 for four cycles) after steady‐state dosing with novobiocin (1000 mg or four 250‐mg capsules every 12 hours for six doses, four of which were administered before each dose of cisplatin). One patient remains on study and cannot be evaluated for response. No complete responses were seen. Three patients (8%) had partial responses and an additional patient had an unconfirmed partial response. The median survival time of all patients was just less than 7 months. These results are comparable with those of other concurrent Southwest Oncology Group (SWOG) Phase II and III trials of high‐dose cisplatin in non‐small cell lung cancer (NSCLC). Novobiocin plasma levels were obtained for three patients and were approximately 50% of the optimal concentration as reported in cell culture for potentiation of cytotoxicity. It was concluded that an optimum test of novobiocin as a modulator of cytotoxicity may require the availability of an intravenous preparation.

Original languageEnglish (US)
Pages (from-to)2969-2973
Number of pages5
JournalCancer
Volume67
Issue number12
DOIs
StatePublished - Jun 15 1991

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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