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A retrospective analysis on treatment and survival outcome of locally advanced cervical cancer with or without brachytherapy: A single institution study
Joan Kristel B. Abrenica, MD, FPOGS and Genalin F. Amparo, MD, FPOGS, FSGOP
Department of Obstetrics and Gynecology, Jose R. Reyes Memorial Medical Center
Objective: The aim of the study was to determine the impact of ICBT in the treatment and survival outcomes of cervical cancer and to compare it with active chemotherapy.
Methodology: This was a retrospective study of patients with LACC treated with or without brachytherapy in a single institution from January 2002 to December 2017.
Results: The 5-year over-all survival (OS) and 5-year recurrence free survival (RFS) of patients with ICBT were both significantly improved compared to those without ICBT (p=0.001 and p=0.038), respectively. Factors that were significantly correlated with adequate response for brachytherapy were non-squamous cell histology (OR 0.65, CI 0.46- 092, p=0.016), initial tumor size of > 5cm (OR 0.41, CI 0.26-0.65, p=0.001), > 50% decrease in the original tumor size at the middle part of PEBRT (OR 1.83, CI 1.2-2.8, p=0.005), > 3 cycles of chemotherapy as radiosensitizers (OR 2.66, CI 1.79- 3.9, p=0.001), > 45 days duration of PEBRT (OR 0.63, CI 0.41-0.97, p=0.04) and > 2 episodes of anemia during PEBRT (OR 0.67, CI 0.52-0.85, p=0.001).
Conclusion: Brachytherapy offers significant improvement on tumor control and over-all survival for patients with LACC. Active chemotherapy may offer some benefit in terms of delaying tumor recurrence or progression. However, this did not translate to survival impact if the patient was not able to have brachytherapy at all.
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