- ICH GCP
- Registre américain des essais cliniques
- Essai clinique NCT07578519
Radiation Treatment of the Prostate That is Specially Adjusted for Each Person
DOSE ADAPTED PERSONALIZED ABLATIVE RADIOTHERAPY OF THE PROSTATE
A number of recent studies have successfully reduced the number of radiotherapy treatments used for prostate cancer from 39 daily treatments to as little as 5 treatments. This study is designed to determine how tumors inside the prostate respond during these 5 treatments on magnetic resonance imaging (MRI) and use that information to design 2 fraction radiotherapy treatments for prostate cancer.
For these two fraction treatments, the first fraction of radiation will use extra radiation to any nodules in the prostate, and the second fraction of radiation will give extra radiation to the nodule(s) in the prostate based on how those nodules responded to the first fraction of radiation. This idea is a relatively old concept but has not been used in the treatment of cancer yet. This research includes a clinical trial that evaluates whether it is safe to design treatments like this.
Aperçu de l'étude
Statut
Les conditions
Intervention / Traitement
Type d'étude
Inscription (Estimé)
Phase
- Phase 2
Contacts et emplacements
Coordonnées de l'étude
- Nom: Charlie Kirkby
- Numéro de téléphone: 403-388-6872
- E-mail: Charles.Kirkby@cancercarealberta.ca
Sauvegarde des contacts de l'étude
- Nom: Asongna Folefoc
- E-mail: Asongna.Folefoc@cancercarealberta.ca
Lieux d'étude
-
-
Alberta
-
Lethbridge, Alberta, Canada, T1J 3H5
- Recrutement
- Jack Ady Cancer Centre
-
Contact:
- Charlie Kirkby
- Numéro de téléphone: 403-388-6872
- E-mail: Charles.Kirkby@cancercarealberta.ca
-
Contact:
- Kevin Martell
- E-mail: Kevin.Martell@CancerCareAlberta.ca
-
-
Critères de participation
Critère d'éligibilité
Âges éligibles pour étudier
- Adulte
- Adulte plus âgé
Accepte les volontaires sains
La description
Inclusion Criteria:
- Histologically confirmed adenocarcinoma of the prostate
- NCCN risk grouping of intermediate or high risk prostate cancer
- Patients must be 18 years of age, or older on the day of signing informed consent and be willing and able to provide written informed consent/assent
- Identifiable lesion within the epithelium of the prostate as determined by the treating radiation oncologist
- Have a prostate imaging reporting and data system (PIRADS) 4 or 5 nodule noted on MRI
- Have not received prior pelvic radiotherapy
- Life expectancy greater than 10 years
- ECOG performance status <3
- Eligible for SBRT to the prostate
Exclusion Criteria:
- No identifiable lesion within the prostate on 3T MRI
- Prior trans-urethral resection of the prostate
- Non-adenocarcinoma histology
- Meeting criteria for very high-risk risk or node positive prostate cancer
- Active inflammatory bowel disease
- Evidence of metastatic disease on CT or bone scan
- Declined radiotherapy
- Unlikely to be available for all follow-up appointments
- Having received androgen deprivation therapy or 5-alpha reductase therapy prior to trial therapy
- Extensive disease in the posterior prostate or aberrant anatomy that makes the safe delivery of boost irradiation not feasible
- Unable to understand or sign a study consent form after use of interpreter if required
- Has a relative contraindication to radiotherapy including systemic lupus erythematosus, TNM deficiency or scleroderma
- Unable to tolerate or ineligible for mpMR imaging
- Any condition or diagnosis, that could in the opinion of the treating physician or qualified investigator interfere with the participant's ability to comply with study instructions, might confound the interpretation of the study results, or put the participant at risk
Plan d'étude
Comment l'étude est-elle conçue ?
Détails de conception
- Objectif principal: Traitement
- Répartition: Non randomisé
- Modèle interventionnel: Affectation séquentielle
- Masquage: Aucun (étiquette ouverte)
Armes et Interventions
Groupe de participants / Bras |
Intervention / Traitement |
|---|---|
|
Expérimental: Arm 1/Stage 1: 5 weeks
The first group of 25 patients enrolled will receive 5 fractions of radiotherapy to their prostate with or without radiotherapy to their pelvic lymph nodes and an MRI midway through the treatment to assess the response of disease.
|
External beam radiotherapy via stereotactic body radiotherapy (SBRT).
|
|
Expérimental: Arm 2/Stage 2: 3 weeks
The second group of 25 patients enrolled in this study will receive a single fraction of radiation to the prostate +/- pelvis with extra radiation to any nodule(s)/tumors in the prostate identified on MR.
They will then have a second MR after 3 weeks and based on that MR a second fraction of radiation to the prostate +/- pelvis will be delivered.
|
External beam radiotherapy via stereotactic body radiotherapy (SBRT).
|
Que mesure l'étude ?
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
|
Incidence
Délai: Baseline 3 weeks (includes treatment period for Arm 1 and 2) 1 month (includes treatment period for Arm 1) 3 months 6 months 2 years
|
Cumulative incidence of acute common terminology criteria for adverse events (CTCAE) v6.0 ≥ grade 2 genitourinary (GU) toxicity
|
Baseline 3 weeks (includes treatment period for Arm 1 and 2) 1 month (includes treatment period for Arm 1) 3 months 6 months 2 years
|
Mesures de résultats secondaires
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
|
Incidence
Délai: Baseline 3 weeks 1 month 3 months 6 months 2 years
|
Cumulative incidence of acute CTCAE v6.0 ≥ grade 2 gastrointestinal (GI) toxicity
|
Baseline 3 weeks 1 month 3 months 6 months 2 years
|
|
Incidence
Délai: 2 years
|
Cumulative incidence of CTCAE v6.0 ≥ grade 2 GU toxicity at 2 years
|
2 years
|
|
Incidence
Délai: 2 years
|
Cumulative incidence of CTCAE v6.0 ≥ grade 2 GI toxicity at 2 years
|
2 years
|
|
international index of erectile function (IIEF-5)
Délai: Baseline 3 weeks 1 month 3 months 6 months 2 years
|
IIEF-5 is a 5-item questionnaire (with a 1- 5 score for each item, 1 being the lowest or worst and 5 the highest/best) used to diagnose erectile disfunction.
|
Baseline 3 weeks 1 month 3 months 6 months 2 years
|
|
expanded prostate cancer index composite (EPIC)
Délai: 1 month and 2 years post treatment
|
EPIC is a questionnaire designed to measure Quality of Life issues in patients with Prostate cancer.
Overall GU domain is scored from 1 to 5 with 1 being "No problem" and 5 being "Big problem"
|
1 month and 2 years post treatment
|
|
EPIC GI
Délai: 1 month and 2 years post treatment
|
EPIC GI is about bowel habits and abdominal pain and has an overall score of1 - 5 with 1 being "No problem" and 5 being "Big problem"
|
1 month and 2 years post treatment
|
|
PSA
Délai: 2 years post treatment
|
Proportion of patients with PSA <0.4ng/mL at 2 years post treatment
|
2 years post treatment
|
|
PSA nadir
Délai: 2 years post treatment
|
Absolute PSA nadir at 2 years post treatment (all therapy)
|
2 years post treatment
|
|
MRI
Délai: treatment week 3
|
MRI based radiographic response of DIL at on treatment week 3
|
treatment week 3
|
|
MRI response
Délai: 6 months post treatment
|
MRI based radiographic response at 6 months post treatment
|
6 months post treatment
|
Collaborateurs et enquêteurs
Parrainer
Dates d'enregistrement des études
Dates principales de l'étude
Début de l'étude (Réel)
Achèvement primaire (Estimé)
Achèvement de l'étude (Estimé)
Dates d'inscription aux études
Première soumission
Première soumission répondant aux critères de contrôle qualité
Première publication (Réel)
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Réel)
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière vérification
Plus d'information
Termes liés à cette étude
Termes MeSH pertinents supplémentaires
Autres numéros d'identification d'étude
- DAPAR
Plan pour les données individuelles des participants (IPD)
Prévoyez-vous de partager les données individuelles des participants (DPI) ?
Informations sur les médicaments et les dispositifs, documents d'étude
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