Abstract
5045 Background: Dose dense TC (ddTC) is a novel standard therapy for patients (pts) with advanced ovarian cancer, although hematological toxicities (hemTX), especially anemia, may increase as observed in NOVEL trial (JGOG3016). Low serum creatinine (LCr), especially below 0.7 mg/dl, may lead to overestimation of GFR. GOG announced that pts with LCr should use a minimum value of 0.7mg/dl to estimate GFR. The correlation between LCr and hemTX treated by ddTC is unknown. Methods: GFR was determined using the Cockcroft-Gault formula. Serum creatinine concentrations were measured using enzymatic assays. Minimum value of 0.7 mg/dl was not used during this period of time. The carboplatin clearance was then calculated by Calvert equation. HemTX were defined as, Grade 3 or 4 (by CTC-AE ver.4) neutropenia, anemia, and thrombocytopenia. Using electrical chart, frequency of hemTX and correlation between serum creatinine (less than 0.7 or not) were examined. Results: From Feb. 2010 to Dec. 2011, 61 consecutive pts were treated with ddTC. LCr was observed in 73% of pts. No treatment related death occurred. Among 61 pts, 50 (82%), 31 (51%), and 12 (19.6 %) pts experienced Grade3/4 neutropenia, anemia and thrombocytopenia, respectively. HemTX in pts with LCr and the others were as in the Table. Conclusions: LCr is frequent in Japanese female pts. ddTC in practice setting seems safe, and hemTX of ddTC are similar with those observed in NOVEL trial. The rationale using a minimum value of 0.7 mg/dl should be further studied by larger population, such as pts in NOVEL trial. [Table: see text]
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