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The goal of this clinical trial is to find out whether prostate artery embolization (PAE) can help prevent or lessen urinary side effects caused by radiotherapy (RT) in people with prostate cancer, especially those who have larger prostates or urinary symptoms before treatment.
The main questions this study aims to answer are:
Researchers will look at changes in urinary symptoms from the start of the study to 6 months after PAE. They will also record any GU or GI side effects related to RT.
Participants will receive prostate artery embolization before starting radiotherapy, and complete questionnaires and assessments about GU and GI functions before and after treatment.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| PAE | Experimental | Neoadjuvant PAE before RT |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Prostatic Artery Embolization | Procedure | PAE is a minimally invasive procedure that involves embolizing the arteries supplying the prostate, leading to its shrinkage. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Change in LUTS symptoms measured by the IPSS at 6 months post-PAE | From enrollment to the 12 months after PAE |
| Measure | Description | Time Frame |
|---|---|---|
| Rates of Grade ≥2 GU and GI RT toxicity as assessed by CTCAE v5.0 | From enrollment to 12 months after PAE | |
| Rates of PAE intraoperative and postoperative adverse events as assessed by Clavien-Dindo and CTCAE v5.0 | From the start of PAE to 12 months after PAE |
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Inclusion Criteria:
Exclusion Criteria:
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| Prostatic Specific antigen (PSA) at 6 months post-PAE | From enrollment to 12 months after PAE |
| Change in prostate volume calculated by TRUS at 6 months post-PAE | From enrollment to 12 months after PAE |
| Change in peak urinary flow rate (Qmax, ml/s) at 6 months post-PAE | From enrollment to 6 months after PAE |
| Change in postvoid residual urine (PVR, ml) at 6 months post-PAE | From enrollment to 6 months after PAE |
| Change in bladder and rectum mean RT dose from pre-PAE to pre-RT simulation scan | From pre-PAE simulation scan to pre-RT simulation scan |
| Urinary quality of life assessed by IPSS QoL scores | From enrollment to 12 months after PAE |
| Rate of local re-intervention for LUTS | From enrollment to 6 months after PAE |
| Erectile dysfunction assessed by the International Index of Erectile Function (IIEF-5) questionnaire | From enrollment to 12 months after PAE |