A Trial Evaluating Toxicity of SBRT & LDRB in Localized Prostate Cancer.

Status Recruiting

Clinical Trial Summary

The goal of this clinical trial is to compare SBRT (Stereotactic Body RadioTherapy) to LDRB (Low-Dose Rate Brachytherapy with Iodine-125 seed implant) in patients with low and favourable intermediate-risk prostate cancer. The two main questions it aims to answer are : 1. Does SBRT (Stereotactic Body RadioTherapy) for low and intermediate risk prostate cancer patients will result in less genito-urinary (GU) and gastro-intestinal (GI) toxicities than LDRB (Low-Dose Rate Brachytherapy)? 2. Does prostate cancer patients treated by SBRT have a better quality of life than patients treated by LDRB No randomized trial has yet compared LDRB to SBRT head to head.

Clinical Trial Description

Low-dose rate brachytherapy (LDRB) using Iodine-125 seed implant is known to be an effective definitive treatment for patients with low and favourable intermediate-risk prostate cancer. Mature data from Canadian institutions reported a biochemical progression-free survival as high as 90-95% at 5-10 years for patients with low and intermediate risk disease. Prostate Stereotactic Body Radiotherapy (SBRT) as a single modality is a promising alternative to LDRB in low and favourable intermediate-risk prostate cancer. Some studies have shown the feasibility and efficacy of SBRT with low to intermediate risk-prostate cancer with 5-7 years PSA-progression-free survival really high (89,8% to 97,1% at a median follow-up of 5-7 years) [PSA: Prostate-Specific Antigen]. No randomized trial has yet compared LDRB to SBRT head to head. Acute urinary toxicity is not trivial: a few studies have shown correlation between late urinary toxicity and the presence of acute urinary toxicity in patients treated with LDRB. Our research hypothesis is that SBRT for low and intermediate risk will result in fewer toxicities at the genito-urinary and the gastro-intestinal levels after 3 months of treatment. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT06052683
Study type	Interventional
Source	CHU de Quebec-Universite Laval
Contact	Isabelle Thibault, MD, FRCPC
Phone	418-525-4444
Email	isabelle.thibault.med@ssss.gouv.qc.ca
Status	Recruiting
Phase	N/A
Start date	September 30, 2019
Completion date	September 30, 2026

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

A Trial Evaluating Toxicity of SBRT and LDRB in Localized Prostate Cancer.

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms