- ICH GCP
- Register voor klinische proeven in de VS.
- Klinische proef NCT07644754
Patients With Metastasized Prostate Cancer Whose Prostate-specific Antigen-level (PSA) Remains >0,2 ng/ml After Six Months of Dual Antihormonal Therapy Will Receive Radiotherapy to the Prostate and Radiotherapy to Refractory Metastases (RIALTO)
RIALTO: Radiotherapy in Primarily Metastasized Prostate Cancer - Image-guided Local AbLaTion of Prostate and Oligoresidual Disease
The goal of this clinical trial is to learn if radiotherapy to the prostate and PET-positive (positron emission tomography) metastasis will lead to radiological response on PSMA-PET (prostate specific membrane antigen-PET). Patients who receive combined androgen deprivation therapy for de novo metastasized prostate cancer and show an incomplete PSA-response (>0,2 ng/ml after six months) and exhibit at least four bone metastases on PET-imaging at this time point (without metastases to organs) can take part in this study.
The main questions it aims to answer are:
• Does radiotherapy to the prostate and PET-positive metastases lead to a radiological response one year after radiotherapy? Researchers will analyze PET-imaging prior to radiotherapy to the prostate and metastases and one yeare thereafter.
Participants will:
- Continue taking combined androgen-deprivation therapy
- Receive a total of three PSMA-PET/CT scans
- Receive radiotherapy to the prostate and PET-positive metastases
- Visit the clinic every three months for 36 months
- Complete quality of life questionnaires at every visit
Studie Overzicht
Toestand
Interventie / Behandeling
Studietype
Inschrijving (Geschat)
Fase
- Niet toepasbaar
Contacten en locaties
Studiecontact
- Naam: Elgin Hoffmann, MD, Dr. med.
- Telefoonnummer: 4970712982165
- E-mail: ROinfo@med.uni-tuebingen.de
Studie Contact Back-up
- Naam: Maximilian Niyazi, MD, Prof. Dr. Dipl.-Phys.
Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
- Volwassen
- Oudere volwassene
Accepteert gezonde vrijwilligers
Beschrijving
Inclusion Criteria:
- Prostate adenocarcinoma
- de novo metastasized prostate cancer (at least 4 osseous metastases +/- lymphonodal metastases)
- first-line combined antihormonal therapy (ADT + ARPI) for six months
- PSA > 0,2 ng/ml after six months of combined ADT/ARPI therapy
- multimetastasized disease stage without visceral metastases on imaging at first diagnosis (PET, CT, or bone scan)
- <16 osseous/lymphnodal metastases on response assessment imaging (PSMA-PET/CT) after six months of combined antihormonal therapy
Exclusion Criteria:
- neuroendocrine histology
- visceral metastases (M1c)
- prior radiotherapy to the pelvis
- PSA < 0,2 ng/ml after 6 months of combined antihormonal therapy
- prior prostatectomy
- contraindication against PSMA-PET/CT and/or radiotherapy to the prostate/metastases
- HIFU or TUR-P within 6 months of study treatment
- other active malignancy two years prior to study inclusion (except skin cancer in remission)
- relevant GU/GI condition (active fistula or other)
- known tumor predisposition syndrome
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Ander
- Toewijzing: NVT
- Interventioneel model: Opdracht voor een enkele groep
- Masker: Geen (open label)
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
|---|---|
|
Experimenteel: Radiotherapy to the prostate and PSMA-PET/CT guided radiotherapy of refractory metastases
Radiotherapy to the prostate and refractory metastases on PSMA-PET/CT
|
Patients will receive radiotherapy to the prostate and to PSMA-PET postivie Metastases
|
Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Radiological Progression-Free Survival
Tijdsspanne: 12 months after radiotherapy of metastases
|
Radiological Progression-Free Survival as determined on PSMA-PET/CT according to RECIP criteria, defined as 30% response in PSA-volume
|
12 months after radiotherapy of metastases
|
Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Lesion-specific response on imaging
Tijdsspanne: 12 months after radiotherapy to metastases
|
12 months after radiotherapy to metastases
|
|
|
Prostate specific antigen (PSA)
Tijdsspanne: up to 36 months after radiotherapy to the prostate
|
Prostate specific antigen
|
up to 36 months after radiotherapy to the prostate
|
|
Objective response rate
Tijdsspanne: 12 months after radiotherapy to metastases
|
12 months after radiotherapy to metastases
|
|
|
Time to next systemic therapy
Tijdsspanne: up to 36 months after radiotherapy to the prostate
|
up to 36 months after radiotherapy to the prostate
|
|
|
Overall survival
Tijdsspanne: up to 36 months after radiotherapy to the prostate
|
up to 36 months after radiotherapy to the prostate
|
|
|
Failure-free survival
Tijdsspanne: up to 36 months after radiotherapy to the prostate
|
up to 36 months after radiotherapy to the prostate
|
|
|
Progression-free survival
Tijdsspanne: up to 36 months after radiotherapy to the prostate
|
up to 36 months after radiotherapy to the prostate
|
|
|
Metastasis-free survival
Tijdsspanne: up to 36 months after radiotherapy to the prostate
|
up to 36 months after radiotherapy to the prostate
|
|
|
Prostate-cancer specific survival
Tijdsspanne: up to 36 months after radiotherapy to the prostate
|
up to 36 months after radiotherapy to the prostate
|
Andere uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Quality of life questionnaires
Tijdsspanne: up to 36 months after radiotherapy of the prostate
|
EORTC QLQ-C30 Prostate
|
up to 36 months after radiotherapy of the prostate
|
|
Organ-specific side effects
Tijdsspanne: up to 36 months after radiotherapy of the prostate
|
CTCAEv5
|
up to 36 months after radiotherapy of the prostate
|
|
Organ function
Tijdsspanne: up to 36 months after radiotherapy of the prostate
|
IPS-Score
|
up to 36 months after radiotherapy of the prostate
|
|
Choice of next systemic therapy
Tijdsspanne: up to 36 months after radiotherapy to the prostate
|
Documentation of systemic treatment in case of progression
|
up to 36 months after radiotherapy to the prostate
|
|
Reason for change in systemic therapy
Tijdsspanne: up to 36 months after radiotherapy to the prostate
|
Documentation in case of change in systemic therapy
|
up to 36 months after radiotherapy to the prostate
|
|
Quality of Life questionnaire
Tijdsspanne: up to 36 months after end of radiotherapy of the prostate
|
QLQ-PR25
|
up to 36 months after end of radiotherapy of the prostate
|
|
Quality of life questionnaire
Tijdsspanne: up to 36 months after radiotherapy to the prostate
|
EQ-D5
|
up to 36 months after radiotherapy to the prostate
|
|
Organ-specific side effects
Tijdsspanne: up to 36 months after end of radiotherapy
|
RTOG questionnaire
|
up to 36 months after end of radiotherapy
|
|
Organ function
Tijdsspanne: up to 36 months after radiotherapy to the prostate
|
ICIQScore
|
up to 36 months after radiotherapy to the prostate
|
|
Organ-specific function
Tijdsspanne: up to 36 months after radiotherapy to the prostate
|
NCI-PRO-CTCAE
|
up to 36 months after radiotherapy to the prostate
|
|
Organ-specific function
Tijdsspanne: up to 36 months after radiotherapy to the prostate
|
IIEF
|
up to 36 months after radiotherapy to the prostate
|
Medewerkers en onderzoekers
Sponsor
Medewerkers
Onderzoekers
- Hoofdonderzoeker: Elgin Hoffmann, MD, Department of Radiation Oncology, University Hospital Tübingen
Studie record data
Bestudeer belangrijke data
Studie start (Geschat)
Primaire voltooiing (Geschat)
Studie voltooiing (Geschat)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Werkelijk)
Updates van studierecords
Laatste update geplaatst (Werkelijk)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- 430/2025BO1
- DRKS00038018 (Register-ID: Deutsches Register Klinischer Studien (German clinical trial registry))
Plan Individuele Deelnemersgegevens (IPD)
Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?
Beschrijving IPD-plan
Informatie over medicijnen en apparaten, studiedocumenten
Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel
Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct
Deze informatie is zonder wijzigingen rechtstreeks van de website clinicaltrials.gov gehaald. Als u verzoeken heeft om uw onderzoeksgegevens te wijzigen, te verwijderen of bij te werken, neem dan contact op met register@clinicaltrials.gov. Zodra er een wijziging wordt doorgevoerd op clinicaltrials.gov, wordt deze ook automatisch bijgewerkt op onze website .