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  • Title: Patterns of recurrence in advanced epithelial ovarian, fallopian tube and peritoneal cancers treated with intraperitoneal chemotherapy.
    Author: Esselen KM, Rodriguez N, Growdon W, Krasner C, Horowitz NS, Campos S.
    Journal: Gynecol Oncol; 2012 Oct; 127(1):51-4. PubMed ID: 22659193.
    Abstract:
    OBJECTIVES: To examine the distribution and outcomes of recurrent disease in patients with ovarian, fallopian tube and peritoneal cancers after optimal cytoreduction and adjuvant intraperitoneal (IP) chemotherapy. METHODS: All patients diagnosed with ovarian, fallopian tube, or peritoneal cancer between 2004 and 2009 who underwent optimal cytoreductive surgery and received adjuvant intravenous (IV) and IP chemotherapy with paclitaxel and a platinum-based agent were eligible. Age, performance status, tumor origin, stage, and grade were recorded. First recurrences were identified using CA125 values, radiographic studies, operative notes, and pathology reports. Sites of recurrence were classified as intraperitoneal (IP), extraperitoneal (EP) or distant. Kaplan-Meier estimates and Cox multivariate regression models were used to assess the associations between recurrent disease distribution and progression-free survival (PFS) and overall survival (OS). RESULTS: One hundred forty-three patients met the criteria for inclusion. The majority were Stage III (86%) and serous histology (77%). Eighty-four (58.7%) received IV/IP paclitaxel/cisplatin per GOG-172 and 59 (41.3%) received IV/IP paclitaxel/carboplatin. Seventy-two percent completed 6 cycles. Ninety (62.9%) patients manifested a recurrence. One-hundred twelve sites of recurrence were identified with 70 (62.5%) IP and 42 (37.5%) EP and distant sites. Nineteen (21%) recurred in more than one site, i.e. both IP and EP locations. Site of recurrence did not impact OS, however, patients who recurred in multiples sites had significantly worse OS (p<0.001). CONCLUSION: Approximately 40% of patients treated with IP chemotherapy have a first recurrence outside the peritoneal cavity. Though site of recurrence did not affect OS those with multi-focal recurrence demonstrate worse survival.
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