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Deep electro-hyperthermia (EHY) with or without thermo-active agents in patients with advanced hepatic cell carcinoma: phase II study

Background: Advanced HCC has no standard chemotherapy , all pts would be valuabled in clinical trials. We evaluated effectiveness and toxicity of capacitatively coupled low-frequency 13.56 MHz deep hyperthermia (Oncotherm-EHY 2000) treatment on chemo- refractory malignant primary liver cancer which underwent all other possible treatment. Methods: From February 2005 to July 2006, we enrolled 22 pts with advanced HCC. ECOG PS was 1 or O. Viral hepatic infection status was 7 HBV+, 8 HCV+, 1 HCV/HBV+. Median age was 67,5 y (range 63 -78), male/female 20/2 . 15 pts were uneligible for liver surgery, 3 pts received TACE, 1 PEI, 1 a lot of therapy. 7 pts were pre-treated with surgery, 2 also received TACE, 1 PEI and 1 a lot of therapy. 75% of pts were in stage C of BCLC classification. 2 pts had also distant metastases, 70% of pts had portal vein thromboses. 8 pts underwent only to EHY without CT. Schedule: EHY was achieved by arrangements of capacitative electrodes with a radiofrequency field of 13.56 Mhz (RF-DHT) at 80- 130 W equivalent to 41 °- 47° C for 60 minutes, 2 times/w for 5 weeks in combination with thermo-active agents . EHY was applied over 2 time a week over 1 hour as mono - combined therapy . Concomitant chemotherapy was oxaliplatin 50 mgr at fixed dose on D 1and D 15. One cycle is 10 treatments of EHY ; 4 pts underwent 2 cycles and 2 pts to 3 cycles and 1 pt to 4 cycles . Median number of cycles was 1,5 (range 1–4), total EHY applications were 365. Results: EHY plus thermo-active drug is beneficial on clinical conditions off treated pts with an excellent compliance on out- patients. We observed 1 CR ( pt has only one bone metastases after 6 months without liver relapse), no PR, 25% of SD. Median survival time was 20’5 weeks (5 - 81+) We noted that 11 pts (50%) presented evidence of increasing well-being. Toxicity : 4 pts had skin reaction after application of EHY. In 3 pts we observed cutaneous hyperemia on the area of treatment and mild burn on the skin ; all symptoms disappeared after local steroid therapy , treatment was interrupted until resolution. Conclusions: Low toxicity and clinical benefit will be confirmed in further clinical studies. Capacitively coupled low-frequency 13.56 deep-hyperthermia is feasible for chemo-refractory HCC.

Year
2007
Author
Ferrari VD,
De Ponti S,
Valcamonico F,
Amoroso V,
Grisanti S,
Rangoni G,
Marpicati P,
Vassalli L,
Simoncini E,
Marini G
Indication
Liver
Publication type
Therapy
SRG+CT+mEHT
Evidence
No. of patients
22