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Poster display session

599 - Randomised prospective study of maintenance tamoxifen versus post adjuvant chemotherapy surveillance only in advanced ovarian cancer patients

Date

09 Sep 2017

Session

Poster display session

Topics

Cytotoxic Therapy;  Ovarian Cancer

Presenters

Varun Goel

Citation

Annals of Oncology (2017) 28 (suppl_5): v330-v354. 10.1093/annonc/mdx372

Authors

V. Goel1, A. Jain2, S. Tiwari3, M.C. John4, V. Talwar1, P. Dash1, N. Patnaik5, S. Raina1, D.C. Doval1

Author affiliations

  • 1 Medical Oncology, Rajiv Gandhi Cancer Institute & Research Center, 110085 - New Delhi/IN
  • 2 Medical Oncology, Jindal Institute of Medical Sciences, 125005 - Haryana/IN
  • 3 Medical Oncology, Jawaharlal Nehru Cancer Hospital, 462 001 - bhopal/IN
  • 4 Medical Oncology, Jubilee Mission Medical College and Research Institute, 680006 - trissur/IN
  • 5 Pathology, action cancer hospital, 110063 - delhi/IN
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Resources

Abstract 599

Background

Treatment of advanced ovarian cancer results in a high objective response rate (> 70% to 80%), but disease recurs in most patients. Some studies have been done to understand the role of maintenance therapy after conventional adjuvant chemotherapy. Maintenance therapy must balance prevention of disease recurrence with cumulative toxic effects and reduction in quality of life. The effects of maintenance therapy with chemotherapy (e.g. paclitaxel maintenance) or antiangiogenetic agents (e.g. bevacizumab or pazopanib) have been studied, but results have been conflicting and without significant benefit in overall survival. We have performed this study to assess the role of maintenance tamoxifen post adjuvant chemotherapy in patients with advanced ovarian cancer.

Methods

In this prospective study, done in a tertiary care centre in northern India, patients with advanced ovarian cancer (stage III and IV), post conventional adjuvant chemotherapy, were randomly enrolled from Sep 2012 to April 2015. Tamoxifen maintenance was given at a dose of 20 mg twice a day for entire follow up period. The progression free survival (PFS) was analyzed.

Results

In total 100 patients were enrolled: 50 patients were given tamoxifen and 50 patients were put on post adjuvant treatment surveillance. The median age was 51.0 years (31-69 years). Median follow up of these patients was 14 months (6-22 months). Median increase in PFS was 6.3 months (95% CI: 4.52-6.14 months) in patients treated with maintenance tamoxifen and there were no grade 3/4 side effects seen in this group.

Conclusions

Maintenance tamoxifen prolongs PFS by 6.3 months when compared to no treatment after conventional adjuvant chemotherapy. Further studies should be planned for comparison of maintenance tamoxifen with maintenance chemotherapy (e.g. paclitaxel maintenance) or antiangiogenetic agents.

Clinical trial identification

Legal entity responsible for the study

Rajiv Gandhi Cancer Institute and Research Center

Funding

None

Disclosure

All authors have declared no conflicts of interest.

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