Precision prostate cancer treatment using 3D imaging for targeted brachytherapy

Interstitial Brachytherapy of the Prostate With Iodine 125 Implant With Target Dose Supplementation in the Tumor Volume Guided by the TRINITY® PERINE 3D Ultrasound System

NA · University Hospital, Grenoble · NCT05322356

This study is testing a new way to treat prostate cancer using 3D imaging to deliver targeted radiation directly to tumors while reducing radiation exposure to healthy areas.

Quick facts

PhaseNA
Study typeInterventional
Enrollment15 (estimated)
Ages18 Years and up
SexMale
SponsorUniversity Hospital, Grenoble (other)
Locations1 site (Grenoble)
Trial IDNCT05322356 on ClinicalTrials.gov

What this trial studies

This clinical trial aims to enhance the treatment of prostate cancer through interstitial brachytherapy using iodine-125 implants. By employing the TRINITY® PERINE 3D ultrasound image fusion system, the study seeks to accurately deliver a higher dose of radiation directly to the tumor volume identified by positive biopsies. This approach is designed to improve disease control while minimizing the overall radiation exposure to the prostate. The trial will involve patients with low to favorable intermediate risk prostate adenocarcinoma who meet specific eligibility criteria.

Who should consider this trial

Good fit: Ideal candidates include men aged 18 and older with low or favorable intermediate risk prostate adenocarcinoma and specific clinical characteristics.

Not a fit: Patients with high-risk prostate cancer, significant urinary function disorders, or those with a prostate volume exceeding 60 cc may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could lead to improved disease control and reduced recurrence rates for prostate cancer patients.

How similar studies have performed: Other studies utilizing advanced imaging techniques for targeted brachytherapy have shown promising results, indicating potential success for this novel approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* At least 18 years
* Patient to be treated with brachytherapy
* Patient with low or favorable intermediate risk prostate adenocarcinoma ISUP 1 and 2, G6 (3+3) or G7 (3+4)
* Life expectancy of more than 10 years
* PSA (prostate-specific antigen) \< 15 ng/ml
* cT1c or cT2a or cT2b
* Prostate volume ≤ 60 cc
* ECOG Performance status 0-2
* Patient is affiliated to a health insurance system
* Patient who has signed consent form

Exclusion Criteria:

* Patient with urinary function disorders IPSS\> 14
* Prostate volume \> 60cc.
* Gleason 7(4+3) or Gleason score ≥8
* PSA ≥ 15 ng/ml
* Patient with metastases
* Hormone therapy with antiandrogen or LHRH analogue
* History of abdominopelvic irradiation
* Inflammatory digestive disease (haemorrhagic rectocolitis, Crohn's disease)
* Interventional study in progress that may interfere with the present study
* Protected persons (patient concerned by articles L1121-5, L1121-6, L1121-8 of the French public health code)

Where this trial is running

Grenoble

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Prostate Cancer, Interstitial brachytherapy, Iodine 125 implant, 3D TRINITY® Perine system

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.