Locally Advanced Rectal Cancer Clinical Trial
Official title:
Efficacy of Neoadjuvant Thermo-Radio-chemotherapy for Locally Advanced Rectal Cancer Before Laparoscopic Total Mesorectal Excision: Prospective Phase II Trial
The investigators start this prospective study to evaluate the efficacy of laparoscopic total mesorectal excision after concurrent chemo-radiation therapy with hyperthermia in locally advanced rectal cancer.
The current standard treatment of locally advanced rectal cancer is neoadjuvant concurrent
chemo-radiation therapy (CCRT) followed by total mesorectal excision (TME). Recently,
laparoscopic surgery is getting substitute open surgery based on the advantages of early
recovery, short admission, less pain, less blood loss, and little scar without compromising
oncologic outcomes.
It is reported that hyperthermia is effective in synthetic (S) phase, Low oxgen pressure,
acidic, and low perfusion site which are known as radio-resistant. Because of these
characteristics, it considered as the most valuable radiosensitizer in cancer treatment,
theoretically. Furthermore, mild hyperthermia (41 to 41.5 ºC) can promote tumor
reoxygenation.
Based on those background, the investigators start this prospective study to evaluate the
efficacy of laparoscopic TME after CCRT with hyperthermia in locally advanced rectal cancer.
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