Radical hysterectomy and radiation therapy are standard treatments for cervical cancer. However, there are no reported studies on the frequency of side effects and treatment outcomes when hypofractionated radiation therapy and intensity modulated radiation therapy(IMRT) are used during radiation therapy.
Hypofractionated radiation therapy increases the daily dose and reduces the number of treatment sessions, which may increase the risk of side effects, but its safety has been confirmed in some cases of early cervical cancer and endometrial cancer. Additionally, applying IMRT, a technique designed to protect normal tissue, during concurrent chemoradiotherapy has shown positive results in reducing the incidence of acute side effects.
Investigators previously demonstrated that combining hypofractionated IMRT with chemotherapy for high-risk postoperative cervical cancer patients resulted in high survival rates and low toxicity in a phase 2 exploratory study. Base on this result, this study aimed to compare the efficacy and safety of conventional fractionated radiation therapy and hypofractionated radiation therapy.
Patients diagnosed histologically with cervical cancer
Patients diagnosed histologically with Squamous cell carcinoma, Adenocarcinoma, or Adenosquamous carcinoma
Patients who have undergone radical hysterectomy and pelvic lymphadenectomy
Adult aged 20 to 75 years
Patients with distance metastasis (including ovarian and para-aortic lymph node metastasis)
Patients who have previously received radiotherapy to the pelvic area
Patients who have undergone radical hysterectomy more than 3 months prior
Patients with untreated serious acute illnesses (e.g., stroke, cerebral infarction, myocardial infarction) other than cervical cancer