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Phase III Adaptive Adaptive Stereostactic Body Radiotherapy (SBRT) With Dose Escalation for High-Risk Prostate Cancer

NCT07189598 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 390

Last updated 2026-04-30

No results posted yet for this study

Summary

The aim of this clinical trial is to evaluate the efficacy of adaptive prostate Stereotatic Body RadioTherapy (SBRT), which integrates both Whole Pelvic RadioTherapy (WPRT) and dose escalation on the Dominant Intraprostatic Lesion (DIL), compared with standard radiotherapy. This will be assessed using a 5-year cost-utility analysis based on data from the clinical trial and the National Health Data System (NHDS).

Conditions

  • High Risk Prostate Cancer

Interventions

PROCEDURE

Adaptive Stereostatic Body RadioTherapy (SBRT) including both Whole Pelvic RadioTherapy (WPRT) and dose-escalation on the Dominant Intraprostatic Lesion (DIL)

The doses delivered will be: * the prostate gland, at a dose of 36.25 Gray, in 5 fractions, * the dominant intraprostatic lesion, up to 50 Gray, in 5 fractions, * seminal vesicles, at a dose of 25 Gray in 5 fractions, * pelvic lymph nodes, at 25 Gray in 5 fractions

PROCEDURE

conventional or a moderately hypofractionated

* Conventional fractionation includes the prescription of a total dose of 78 Gray in 39 fractions to the prostate gland (and seminal vesicles, in case of T3b disease), and a dose de 50Gy in 25 fractions to pelvic nodal areas. * Moderate hypofractionation includes the prescription of a total dose of 60 Gray to the prostate gland (and seminal vesicles, in case of T3b disease), and 44 Gray to pelvic nodal areas in 20 fractions using a simultaneous integrated boost (SIB)

Sponsors & Collaborators

  • Center Eugene Marquis

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
MALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-03-02
Primary Completion
2033-04-01
Completion
2033-04-01

Countries

  • France

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07189598 on ClinicalTrials.gov