Quantitative Prostate Cancer Contrast-enhanced Ultrasound (SONOCAP)
Background: Bracco has released the VueBoxTM-Prostate software, aimed at distinguishing prostate cancer from prostate benign peripheral zone (PZ) at contrast-enhanced ultrasound (CEUS) using SonoVue® as contrast agent.
The software analyses the ascending phase of enhancement (wash-in) and calculates the mode and the dispersion (sigma) of the wash-in rate in a given region of interest. The diagnosis of cancer is based on the combination of these two parameters.
The main objective of the study is to evaluate the diagnostic value of the VueBoxTM-Prostate software in distinguishing prostate cancer from normal PZ at contrast-enhanced ultrasound (CEUS).
The secondary objective is to evaluate the diagnostic value of the wash-out rate, the time to peak, the transit time and the area under the enhancement curve (parameters not used by the VueBoxTM-Prostate software) in distinguishing prostate cancer from prostate benign peripheral zone at contrast-enhanced ultrasound (CEUS).
The study will enroll patients referred for prostate biopsy. The US transrectal probe will be inserted and the local anesthesia performed as per the institution's standard of care protocol. Then, the biopsy operator will choose an axial plane likely to contain cancer (e.g. based on MRI or Digital rectal examination results). Half a vial (2.4 ml) of SonoVue® will then be injected and the ultrasound enhancement of this plane will be recorded during 2 minutes while the biopsy gun is already in place. Then, the biopsy will be taken while the recording is still on, so that it will be possible to calculate quantitative enhancement parameters at the exact location of the biopsy.
Then, the operator will choose a plane that is likely not to contain cancer in the opposite prostate lobe and the same process will be repeated with injection of the second half of the vial.
The rest of the biopsies will be performed as per the institution's standard of care protocol.
The two recordings will be sent to Bracco's Research center in Geneva in order to:
- Predict the biopsy result (cancer vs benign) based on the VueBoxTM-Prostate software results
- Calculate the wash-out rate, the time to peak, the transit time and the area under the enhancement curve at the biopsy location.
The two biopsy samples performed after the injection of SonoVue® (as the rest of the biopsy samples) will be processed and analysed at the institution's department of Pathology and their results will be blinded to the Bracco's Research center.
The correlation between the biopsy results, the VueBoxTM-Prostate software results and the wash-out rate, time to peak, transit time and area under the enhancement curve will be performed by the study investigator.
In total, 130 patients will be included (hypotheses of 20% of malignant biopsy cores and of an area under the ROC curve of 0.85 for the VueBoxTM-Prostate software).
Aperçu de l'étude
Statut
Les conditions
Intervention / Traitement
Type d'étude
Inscription (Anticipé)
Phase
- N'est pas applicable
Contacts et emplacements
Lieux d'étude
-
-
-
Bordeaux, France, 36076 Bordeaux cedex
- Recrutement
- CHU de Bordeaux - Hôpital Pellegrin - Service d'imagerie diagnostique et interventionnelle de l'adulte
-
Contact:
- Nicolas GRENIER, MD, PhD
- Numéro de téléphone: +33 556 795 599
- E-mail: nicolas.grenier@chu-bordeaux.fr
-
Chercheur principal:
- Nicolas GRENIER, MD, PhD
-
Lyon, France, 69003
- Recrutement
- Hospices Civils de Lyon - Hôpital Édouard Herriot
-
Contact:
- Fanny CROS
- Numéro de téléphone: +33 (0)4 72 11 04 00
- E-mail: fanny.cros@chu-lyon.fr
-
Contact:
- Olivier Rouvière, Pr
- Numéro de téléphone: +33 (0)4 72 11 09 51
- E-mail: olivier.rouviere@chu-lyon.Fr
-
Chercheur principal:
- Olivier Rouvière, Pr
-
Paris, France, 75743 Paris cedex 15
- Recrutement
- Assistance Publique Hôpitaux de Paris - Hôpital Necker - Service de Radiologie adultes
-
Contact:
- Jean-Michel CORREAS, MD, PhD
- Numéro de téléphone: +33 144 495 312
- E-mail: jean-michel.correas@nck.aphp.fr
-
Chercheur principal:
- Jean-Michel CORREAS, MD, PhD
-
-
Critères de participation
Critère d'éligibilité
Âges éligibles pour étudier
- Enfant
- Adulte
- Adulte plus âgé
Accepte les volontaires sains
Sexes éligibles pour l'étude
La description
Inclusion Criteria:
- Patient referred for prostate biopsy
- Informed consent signed
- Patient affiliated to the French Health Insurance
Exclusion Criteria:
- History of allergy to SonoVue®
- History of myocardial infarction or angor pectoris
- History of severe pulmonary arterial hypertension (> 90 mm Hg)
- History of previous treatment for prostate cancer (radiation therapy, brachytherapy, high-intensity focused ultrasound, etc…)
- History of hormone therapy for prostate cancer
Plan d'étude
Comment l'étude est-elle conçue ?
Détails de conception
- Objectif principal: Diagnostique
- Répartition: N / A
- Modèle interventionnel: Affectation à un seul groupe
- Masquage: Aucun (étiquette ouverte)
Armes et Interventions
Groupe de participants / Bras |
Intervention / Traitement |
|---|---|
|
Expérimental: 1
|
Que mesure l'étude ?
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
|
Diagnostic performance (sensitivity and specificity) of the VueBoxTM-Prostate software in distinguishing prostate cancer from normal peripheral zone
Délai: Day 1
|
Using as a reference the result of the biopsy sample performed after the SonoVue® injection and the location of which will have been strictly monitored
|
Day 1
|
Mesures de résultats secondaires
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
|
Diagnostic performance (sensitivity and specificity) of the VueBoxTM-Prostate software in distinguishing aggressive prostate cancer (Gleason score ≥7) from normal peripheral zone
Délai: Day 1
|
using as a reference the result of the biopsy sample performed after the SonoVue® injection and the location of which will have been strictly monitored
|
Day 1
|
|
Diagnostic performance (sensitivity and specificity) of the of the wash-out rate, time to peak, transit time and area under the enhancement curve in distinguishing prostate cancer from normal peripheral zone
Délai: Day 1
|
using as a reference the result of the biopsy sample performed after the SonoVue® injection and the location of which will have been strictly monitored
|
Day 1
|
|
Diagnostic performance (sensitivity and specificity) of the of the wash-out rate, time to peak, transit time and area under the enhancement curve in distinguishing aggressive prostate cancer (Gleason score ≥7) prostate cancer from normal peripheral zone
Délai: Day 1
|
using as a reference the result of the biopsy sample performed after the SonoVue® injection and the location of which will have been strictly monitored
|
Day 1
|
Collaborateurs et enquêteurs
Parrainer
Les enquêteurs
- Chercheur principal: Olivier ROUVIERE, Professor, Hospices Civils de Lyon
Dates d'enregistrement des études
Dates principales de l'étude
Début de l'étude (Réel)
Achèvement primaire (Anticipé)
Achèvement de l'étude (Anticipé)
Dates d'inscription aux études
Première soumission
Première soumission répondant aux critères de contrôle qualité
Première publication (Estimation)
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
- 2013.800
Plan pour les données individuelles des participants (IPD)
Prévoyez-vous de partager les données individuelles des participants (DPI) ?
Ces informations ont été extraites directement du site Web clinicaltrials.gov sans aucune modification. Si vous avez des demandes de modification, de suppression ou de mise à jour des détails de votre étude, veuillez contacter register@clinicaltrials.gov. Dès qu'un changement est mis en œuvre sur clinicaltrials.gov, il sera également mis à jour automatiquement sur notre site Web .