Feasibility Trial of Single-Dose Radiotherapy for Localized Low and Intermediate Risk Prostate Cancer

The goal of this study is to assess the feasibility of high-dose radiotherapy (Single-Dose Radiotherapy, SDRT) of 24 Gy in patients with localized low and intermediate risk prostate cancer using a special system of internal and external immobilization of the prostate gland. Patients eligible for this study are classified according to the National Comprehensive Cancer Network (NCCN) guidelines as low or intermediate risk prostate cancer (Stage T1-T2c and/or Prostate Specific Antigen (PSA) level ≤20 ng/mL and/or Gleason score of ≤7). The study will examine the technical feasibility of image-guided volumetrically-modulated arc therapy (VMAT-IGRT) with an emphasis on normal tissue sparing and precision of radiation delivery using dedicated devices (an air-filled endorectal balloon and a Foley catheter) that ensure target immobilization and reproducibility of prostate anatomical localization using a special external patient immobilization system, including patient placement on the patient transfer trolley, which allows patient transfer without removing the endorectal balloon and urinary catheter during all stages of simulation and treatment planning (MR, CT, Positron emission tomography (PET) / CT-simulation) and during the treatment session on the linear accelerator. Previously untreated patients with localized prostate cancer of the low risk and favorable intermediate risk (NCCN) groups will receive SDRT at a dose of 24 Gy. In patients from the unfavourable intermediate risk …

This description comes directly from the study's public registry record.

Sergey Usychkin, MD  ·  +79166840574  ·  s.usychkin@hadassah.moscow

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