Journal
CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY
Volume 39, Issue 10, Pages 1379-1391Publisher
SPRINGER
DOI: 10.1007/s00270-016-1382-6
Keywords
Chemoembolization; Drug eluting beads; Tightly calibrated microspheres; Hepatocellular carcinoma
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This study examines safety, efficacy, and pharmacokinetics of chemoembolization with loadable microspheres aecurrency sign100 mu m for hepatocellular carcinoma. A pilot safety study was performed in 19 patients with size and dose escalation and then 52 patients were enrolled prospectively and randomly assigned to chemoembolization with TANDEM (TM) loaded with 150 or 100 mg of doxorubicin. The mean diameter of the tumors was 7.28 +/- A 2.09 cm (range 4-12) and distribution dominant/multiple 51.9/48.1 %. Child A/B distribution was 32/20 (61.5/38.5 %) and etiology HBV/HCV/HBV/HCV-hemochromatosis was 61.6/9.6/9.6/15.4 %. Twenty-five patients were assigned in the low and 27 in the high loading group. There was 1.92 % thirty-day mortality due to lesion rupture. Biliary damage was seen in 3 patients (5.7 %) in the high loading. Mean maximum plasma concentration of doxorubicin C (max) +/- A SD was 284.9 +/- A 276.2 ng/mL for the high and 108.5 +/- A 77.6 ng/mL for the low loading (p < 0.001). According to m-RECIST overall objective response after two sessions reached 61.22 and 63.82 % at 6 months. Notably, complete target lesion response (CR) after the second session was observed in 28.57 % and maintained in 23.40 % at 6 months. No statistical differences in the local response rates were observed between the two loading groups. Overall survival (OS) at 6 months, 1 , 2, and 3 years was 98.08, 92.3, 88.46, and 82.6 %, respectively. OS and Progression-Free Survival did not demonstrate statistical significance between the two loading groups. Initial evidence shows that (a) TANDEM (TM) achieves high rates of local response and mid-term survival, (b) high loading provides no clinical benefit and is associated with biliary toxicity.
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