Gemcitabine chemotherapy for the treatment of metastatic bladder carcinoma

Michael D. Shelley, Anne Cleves, Timothy J. Wilt, Malcolm D. Mason

Research output: Contribution to journalReview article

21 Scopus citations

Abstract

OBJECTIVE To systematically review the literature on gemcitabine chemotherapy for advanced or metastatic bladder cancer. MATERIALS AND METHODS The Medical Literature Analysis and Retrieval System Onlinedatabase (MEDLINE), the Excerpta Medicadatabase (EMBASE), the Cumulative Index to Nursing and Allied Health Literature database(CIHNAL), the Cochrane database of randomized trials, the Literatura Latino-Americana e do Caribe emCiências da Saúdedatabase (LILACS), and Web of Science were searched to identify trials of gemcitabine for metastatic bladder cancer. Also searched were international guidelines on metastatic prostate cancer, trial registries, and recent systematic reviews. Data on trial design, survival, tumour response and toxicity outcomes were extracted from relevant studies. RESULTS This review identified six randomized trials of combined chemotherapy with gemcitabine for the management of unresectable, locally advanced or metastatic bladder cancer. One trial compared gemcitabine plus cisplatin (GCis) with methotrexate/ vinblastine/doxorubicin/cisplatin(MVAC) and found no difference in overall survival (OS; hazard ratio 1.09) but a better safety profile with GCis, which was suggested as the treatment of choice. A second trial evaluated GCis against gemcitabine plus carboplatin (GCarbo) and reported similar median OS (12.8 vs 9.8 months), disease progression (8.3 vs 7.3 months) and tumour response rates (66% vs 56%) for the two patient groups. A third trial compared GCis with GCis plus paclitaxel (GCisPac) and showed no significant difference in median OS (12.3 vs 15.3 months) and response rates (44% vs 43%) but greater toxicity with GCisPac. A fourth trial assessed GCarbo against methotrexate plus carboplatin plus vinblastine in patients unfit for cisplatin-based chemotherapy and found similar tumour response rates for each regime (38% vs 20%) but the triplet regime was more toxic. Two other randomized studies compared a 2-weekly maintenance regime of gemcitabine plus paclitaxel with a 3-weelky regime given for a maximum of six cycles and found that the maintenance schedule did not confer any additional survival benefit. In all, 53observational studies of gemcitabine chemotherapy were identified that varied considerably in the drug combinations used and schedules. Overall response rates (17-78%) and median OS (6.4-24.0 months) were variable with no combination being clearly superior. CONCLUSIONS Gemcitabine combined chemotherapy is active in the management of metastatic bladder cancer. GCis may be considered an alternative regime to MVAC. GCarbo should be considered for patients unfit for cisplatin-based therapy.

Original languageEnglish (US)
Pages (from-to)168-179
Number of pages12
JournalBJU International
Volume108
Issue number2
DOIs
StatePublished - Jul 2011

Keywords

  • chemotherapy
  • evidence-based medicine
  • systematic review
  • urological cancers

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