这项第二期研究的主要目标是比较SBRT与IMRT之间EPIC HRQOL评分的变化（1年减去基线）。
适应症：Prostate Cancer
入组条件
纳入标准
- Histological confirmation of prostate adenocarcinoma
- Low or intermediate risk prostate cancer patients (i.e. T1-T2c and PSA 20 and Gleason score \< 8) with the risk of pelvic node metastasis 15% as calculated by Roach's formula
- ECOG performance score 0-1
- Age ≥ 18
- History/physical examination within 2 weeks prior to registration
- Able to sign informed-consent
排除标准
- Patients with previous diagnosis of cancer other than prostate cancer and non-melanoma skin cancer.
- Evidence of distant metastases
- Regional lymph node involvement
- Previous radical surgery (prostatectomy), cryosurgery, or HIFU for prostate cancer
- Previous pelvic irradiation, prostate brachytherapy, or bilateral orchiectomy
- Previous hormonal therapy, such as LHRH agonists (e.g., goserelin, leuprolide) or LHRHantagonists (e.g., degarelix), anti-androgens (e.g., flutamide, bicalutamide), estrogens (e.g.DES), or surgical castration (orchiectomy)
- Unstable angina and/or congestive heart failure requiring hospitalization, transmural myocardial infarction within the last 6 months, acute bacterial or fungal infection requiring intravenous antibiotics, chronic obstructive pulmonary disease exacerbation or other respiratory illness requiringhospitalization or precluding study therapy at the time of registration
- Patients who have received prior chemotherapy.
入组条件维持 ClinicalTrials.gov 原始英文登记资料，实际入组资格以研究团队的正式评估与受试者知情同意书为准。资料来源：ClinicalTrials.gov，每两周自动更新，最后同步：2026年10月8日。