Improved outcomes with dose-dense paclitaxel-based neoadjuvant chemotherapy in advanced epithelial ovarian carcinoma Ovarian Cancer and Us OVARIAN CANCER and US Ovarian Cancer and Us

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Monday, May 02, 2016

Improved outcomes with dose-dense paclitaxel-based neoadjuvant chemotherapy in advanced epithelial ovarian carcinoma



abstract

OBJECTIVE:

We compared tolerability, toxicity, response, and interval debulking surgery (IDS) outcomes between patients who received weekly dose-dense paclitaxel (DDP) and every three-week platinum to standard every three-week taxane plus platinum neoadjuvant chemotherapy (NACT) for advanced epithelial ovarian cancer (EOC).

METHODS:

We conducted a retrospective study of patients receiving NACT at our center between June 1, 2012 and July 31, 2015. Patients with stage III/IV EOC who received at least one cycle of DDP (weekly paclitaxel plus every three-week carboplatin) or standard taxane (every three-week paclitaxel or docetaxel plus carboplatin) therapy were included. Abstracted data included demographics, tolerability, grade 3/4 toxicity, response, and IDS outcomes. Fisher's exact and student t-test were used for statistical significance.

RESULTS:

Twenty-one patients received DDP and 40 received standard taxane. Tolerability was comparable. More patients receiving DDP experienced grade 3 or 4 toxicity when considered in aggregate (86% vs. 40%; p=0.001). Pathologic complete response (pCR) was achieved in 14% of DDP patients versus 3% of standard (p=0.11). 48% of patients in the DDP group were debulked to no residual disease (NRD) versus 28% in the standard group (p=0.16).

CONCLUSIONS:

While associated with an increase in severe toxicity compared to standard three-week taxane, DDP (weekly) appears to facilitate higher rates of pCR (Pathologic complete response) and NRD (no residual disease) for patients receiving NACT in this preliminary study. These results warrant further investigation of DDP for patients with advanced EOC and assessment of impact on long-term survival outcomes.

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