Hyperthermia and fibrinolytic therapy do not improve the beneficial effect of radioimmunotherapy following cytoreductive surgery in rats with peritoneal carcinomatosis of colorectal origin

被引：7

作者：

Aarts, Frits ^{[1
]}

Hendriks, Thijs ^{[1
]}

Boerman, Otto C. ^{[2
]}

Oyen, Wim J. G. ^{[2
]}

Bleichrodt, Robert P. ^{[1
]}

机构：

[1] Radboud Univ Nijmegen, Med Ctr, Dept Surg, NL-6500 HB Nijmegen, Netherlands

[2] Radboud Univ Nijmegen, Med Ctr, Dept Nucl Med, NL-6500 HB Nijmegen, Netherlands

来源：

CANCER BIOTHERAPY AND RADIOPHARMACEUTICALS | 2008年 / 23卷 / 03期

关键词：

peritoneal carcinomatosis; cytoreductive surgery; radioimmunotherapy; hyperthermia; fibrinolytic therapy; targeted radionuclide therapy;

D O I：

10.1089/cbr.2007.0455

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 [肿瘤学];

摘要：

Background and Objective: Cytoreductive surgery (CS) and heated intraperitoneal chemotherapy (HIPEC) are standard treatment for peritoneal carcinomatosis (PC) of colorectal cancer. Previously, we demonstrated that preclinical radioimmunotherapy (RIT) adjuvant to surgery in PC is a good alternative for HIPEC. Now we aimed to improve the effectiveness of RIT by combining it with whole-body hyperthermia (WBH) or fibrinolytic therapy. Methods: Rats were inoculated intraperitoneally with colon carcinoma cells. Animals underwent CS, CS + WBH (40 degrees C, 3 hours), CS + RIT (74 MBq (177)Lu-labeled MG1), or CS + WBH + RIT. In the second experiment, rats underwent CS, CS + RIT, CS + recombinant tissue plasminogen activator (rtPA, twice daily, 3 days), or CS + RIT + rtPA. Results: Median survival after CS and CS + WBH was 34 and 37 days. Median survival after CS + RIT or CS + RIT + WBH was 63 and 86 days (p < 0.0003, p < 0.0006 compared to CS + WBH). Median survival after CS and CS + rtPA was 50 and 42 days (p = 0.1). Median survival was 106 days after CS + RIT and 103 days after CS + RIT + rtPA (p < 0.0001 compared to CS + rtPA). No difference was found between CS + RIT and CS + RIT + rtPA (p = 0.83). Conclusions: The application of WBH or rtPA in combination with adjuvant RIT after CS for the treatment of PC of colonic was feasible but did not significantly potentiate the efficacy of RIT.

引用

页码：301 / 309

页数：9

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