Radiation Therapy with Concurrent Chemotherapy for Locally Advanced Cervical Carcinoma: Outcome Analysis with Emphasis on the Impact of Treatment Duration on Outcome

Author:

Diaz Juan1,Yu Daohai2ORCID,Micaily Bizhan3,Ferriss J. Stuart1,Hernandez Enrique1ORCID

Affiliation:

1. Department of Obstetrics, Gynecology and Reproductive Sciences, Temple University Hospital, Temple University School of Medicine, 3401 N. Broad Street, Philadelphia, PA 19140, USA

2. Department of Clinical Sciences, Temple Clinical Research Center, Temple University Hospital, Temple University School of Medicine, Philadelphia, PA 19140, USA

3. Department of Radiation Oncology, Temple University Hospital, Temple University School of Medicine, Philadelphia, PA 19140, USA

Abstract

Objective. To assess the effectiveness and toxicity of carboplatin concurrent with pelvic external beam radiation and low-dose rate brachytherapy and to assess the impact that adherence to the treatment plan has on outcomes.Methods. Retrospective chart review of 56 patients treated from January 2001 to December 2010.Results. Median follow-up was 68 months. Optimal dose of radiation (ORT) was defined as a minimal cervical dose exceeding 70 Gy, point A dose of 80–90 Gy, and duration not exceeding 56 days. Only 50% received ORT. In multivariable analyses we only found ORT to be statistically significant predictor for progression-free survival (PFS) and overall survival (OS) (HR [95% CI] for non-ORT vs. ORT: 2.4 [1.2, 5.1],P=0.014for PFS and 2.2 [1.1, 4.6],P=0.035for OS). The 5-year PFS in patients who received ORT was better than that in patients who received non-ORT, 56% vs. 22% (95% CI: [36%, 72%] vs. [9%, 39%]). Patients who received ORT had a better 5-year OS as well (59% vs. 33%; 95% CI: [38%, 75%] vs. [16%, 51%]).Conclusion. Patients with locally advanced cervical cancer treated with weakly carboplatin or cisplatin, teletherapy, and low dose-dose rate brachytherapy have poorer outcomes when treatment duration is prolonged.

Publisher

Hindawi Limited

Subject

Obstetrics and Gynaecology

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