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Year : 2018  |  Volume : 55  |  Issue : 1  |  Page : 50-54

Outcomes of advanced epithelial ovarian cancer treated with neoadjuvant chemotherapy

1 Department of Gynecologic Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
2 Department of Medical Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
3 Department of Pathology, Tata Memorial Hospital, Mumbai, Maharashtra, India
4 Department of Biostatistics, Tata Memorial Hospital, Mumbai, Maharashtra, India
5 Department of Radiology, Tata Memorial Hospital, Mumbai, Maharashtra, India

Correspondence Address:
Amita Maheshwari
Department of Gynecologic Oncology, Tata Memorial Hospital, Mumbai, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijc.IJC_468_17

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Background: Ovarian cancer is the fourth most common cancer in Indian women. Majority of these are epithelial ovarian cancers (EOCs), most of which present in advanced stage. Women with poor performance status and/or those unlikely to achieve optimal debulking at upfront surgery, benefit from neoadjuvant chemotherapy (NACT) followed by interval cytoreduction, with lesser surgical morbidity and equal survival rates as compared to primary cytoreduction. Methodology: This was a retrospective analysis of patients with advanced ovarian cancer, treated with NACT followed by interval debulking surgery at Tata Memorial Hospital from January 2014 to December 2014. Results: Epithelial cancers constituted 84.4% (n = 406) of all cases of ovarian malignancies. Of these, overwhelming majority (84.3%, n = 342) were in the advanced stage. Sixty percent of all EOC patients received NACT. The mean baseline serum CA-125 level in women treated with NACT was 4294.7 U/ml (range, 11–151,200 U/ml). The median number of NACT cycles (paclitaxel + carboplatin) was 3. Optimal cytoreduction was achieved in 81.5% cases. The rates of Grade 3 or 4 intraoperative and postoperative complications were 4% each. The median postoperative stay was 5 days and the median time between surgery and adjuvant chemotherapy was 20 days. The median progression-free survival (PFS) was 15.15 months (95% confidence interval [CI]: 12.95–17.34), and the median overall survival (OS) was 34.73 months. Multivariate analysis revealed that optimal cytoreduction (hazard ratio [HR] = 2.04 [95% CI: 1.15–3.62]; P = 0.015) and number of NACT cycles (3 vs. >3; HR = 1.51 [95% CI: 1.06–2.16]; P = 0.022) were significantly associated with PFS, and optimal cytoreduction (HR = 3.21 [95% CI: 1.53–6.73]; P = 0.002) and ECOG status (0–1 vs. ≥2; HR = 2.64 [95% CI: 1.25–5.55]; P = 0.011) with OS. Conclusions: High rates of optimal cytoreduction were achieved at interval cytoreductive surgery after NACT, with acceptable surgical morbidity, early start of adjuvant chemotherapy, and survival outcomes comparable to international standards.


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