Pharmacokinetic analyses of carboplatin in a patient with cancer of the fallopian tubes undergoing hemodialysis Ovarian Cancer and Us OVARIAN CANCER and US Ovarian Cancer and Us

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Thursday, July 14, 2016

Pharmacokinetic analyses of carboplatin in a patient with cancer of the fallopian tubes undergoing hemodialysis



abstract + references (case report)
 
Opportunities for patients undergoing hemodialysis to receive chemotherapy are increasing. A combination of paclitaxel and carboplatin (TC) is first‑line chemotherapy in patients with Müllerian cancer. However, the optimal dose and time interval between the end of carboplatin administration and initiation of hemodialysis remains to be elucidated. TC was administered to a patient with fallopian tube cancer undergoing hemodialysis. The paclitaxel regimen was determined to be 135 mg/m2 (total of 210 mg) over 3 h. After paclitaxel administration, 125 mg of carboplatin was administered over 1 h to achieve a target area under the concentration‑time curve (AUC) of 5.0 mg•min/ml using the Calvert formula. The time interval between the end of carboplatin administration and hemodialysis initiation was 1 h at the first cycle, 16 h at the second cycle and 20 h at the third cycle, and the AUC obtained was 2.86, 4.16 and 6.0 mg•min/ml, respectively. The desired AUC of free platinum was demonstrated and only mild side effects were observed at the third cycle. Therefore, hemodialysis was initiated 20 h after completion of carboplatin infusion at cycles 4‑6. The total chemotherapy planned was completed without severe adverse events. Measurement of the concentration of free platinum subsequent to administration is useful for determination of the optimal dose of carboplatin and time interval following administration to obtain an adequate AUC. The present study suggests that carboplatin can be administered to a patient undergoing hemodialysis, and that an adequate interval between the end of carboplatin administration and hemodialysis initiation may be ~20 h.

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