Abstract
Seventy intraperitoneal administrations of doxorubicin were performed in 12 patients with malignant disease in the abdominopelvic space. Peritoneal and hematologic drug levels were measured by fluorimetric assay. A first-order decline in the peritoneal level was determined (T1/2 96 ± 18 min), with a mean drug absorption of 84 % in 4 h (range 40-96 %) and a mean ratio of a peak dialysate/peak serum level of 111 (range 12-390). Gastrointestinal toxicity was common and peritoneal phlogosis occurred twice. The doxorubicin level and the time of peritoneal exposure seem to be critical factors for major local toxicity. At a moderate concentration doxorubicin can be intraperitoneally administered, but its usefullness is probably confined to patients with minimal abdominal disease.
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