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RECRUITINGPhase 3INTERVENTIONAL

Comparison of Conventional and Hypofractionated IMRT in High-Risk Cervical Cancer Post-Radical Hysterectomy

Postoperative Conventional Versus Hypofractionated Intensity-modulated Radiation Therapy With Concurrent Chemotherapy in Cervical Cancer: A Prospective Multicenter Randomized Phase III Trial (POHIM_P3 Trial)

Important: This information is not medical advice. Talk to your doctor about whether a clinical trial is right for you.

About This Trial

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.

Who May Be Eligible (Plain English)

Who May Qualify: - 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 - Patients who meet the indication for radiotherapy in postoperative pathological examination (at least on of the following): A. Pelvic lymph node metastasis B. Parametrial involvement C. Positive surgical margins - Adult aged 20 to 75 years - Patients with an ECOG 0-1 within 1 week prior to study participation - Maintained bone marrow function: granulocyte ≥1.0 x 103/µl, platelet count at least 30 x 103/µl, blood count (hemoglobin) at least 9.5 g/dl - Maintained renal and liver function (Creatinine \<2.0 mg/dL, Bilirubin \< 1.5 mg/dl) - Patients who have voluntarily signed the consent form Who Should NOT Join This Trial: - 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 - Patients who received neoadjuvant chemotherapy before surgery - Patients who will not receive concurrent chemotherapy during radiotherapy - Patients with a history of another cancer diagnosis within the past 5 years, except for thyroid cancer, skin cancer, or carcinoma in suit Always talk to your doctor about whether this trial is right for you.

Original Eligibility Criteria

View original clinical language
Inclusion Criteria: * 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 * Patients who meet the indication for radiotherapy in postoperative pathological examination (at least on of the following): A. Pelvic lymph node metastasis B. Parametrial involvement C. Positive surgical margins * Adult aged 20 to 75 years * Patients with an ECOG 0-1 within 1 week prior to study participation * Maintained bone marrow function: granulocyte ≥1.0 x 103/µl, platelets ≥30 x 103/µl, hemoglobin ≥9.5 g/dl * Maintained renal and liver function (Creatinine \<2.0 mg/dL, Bilirubin \< 1.5 mg/dl) * Patients who have voluntarily signed the consent form Exclusion Criteria: * 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 * Patients who received neoadjuvant chemotherapy before surgery * Patients who will not receive concurrent chemotherapy during radiotherapy * Patients with a history of another cancer diagnosis within the past 5 years, except for thyroid cancer, skin cancer, or carcinoma in suit

Treatments Being Tested

RADIATION

Conventional Fractionated IMRT

* Dose: 1.8-2.0 Gy per session, total 25-28 sessions (40-50.4Gy) * Chemotherapy: Weekly, total 5-6 sessions

RADIATION

Hypofractionated IMRT

* Dose: 2.5 Gy per session, total 16 sessions (40Gy) * Chemotherapy: Weekly, total 3 sessions

Locations (1)

Samsung Medical Center
Seoul, Gangnam-gu, South Korea