- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04832958
Imaging Guided Surgery to Improve the Detection of Lymph Node Metastases in Prostate Cancer Patients
The Role of Imaging Guided Surgery to Improve the Detection of Lymph Node Metastases in Prostate Cancer Patients Treated With Radical Prostatectomy and Extended Pelvic Lymph Node Dissection
Study Overview
Detailed Description
Potential participants will be identified, screened and recruited by the Urologists working at the Department of Urology, IRCCS San Raffaele, Milan, Italy. A total of 100 patients affected by PCa with a risk of LNI >5% according to the Briganti nomogram and planned to receive RARP with an ePLND according to the European Association of Urology (EAU) guidelines will be identified and enrolled in the study.
The patient must personally sign and date the latest approved version of the Informed Consent Form (ICF) before any trial specific procedures are performed.
Written and verbal versions of the Patient Information and Informed Consent will be presented to the participants detailing no less than:
- The exact nature of the trial
- The surgical procedures
- The implications and constraints of the protocol
- The known side effects and any risks involved in taking part
- The clear statement that the participant is free to withdraw from the trial at any time for any reason without prejudice to future care, and with no obligation to give the reason for withdrawal.
The participant will be allowed as much time as wished to consider the information and the opportunity to question the Investigator, their GP or other independent parties to decide whether they will participate in the trial. Written Informed Consent will then be obtained by means of participant dated signature and dated signature of the person who presented and obtained the Informed Consent. The person who obtained the consent must be suitably qualified and experienced, and have been authorized to do so by the Principal Investigator.
A copy of the signed Informed Consent will be given to the participant. The original signed form will be retained at the trial Centre.
A Patient ID number will be assigned to each patient after the ICF signature: this number corresponds to the Progressive Number assigned in chronological order beginning from 001 (i.e. 001, 002, etc.). For instance, the first patient enrolled will receive the following ID Number: 001.
During Visit 1, the following data will be collected:
- Demographics
- Compliance with inclusion/exclusion criteria
- Informed consent
- Previous & concomitant pathologies/previous significant surgeries (including the Charlson Comorbidity Index)
- Previous & concomitant medications
- Prostate cancer characteristics including PSA values, biopsy grade group, clinical stage and the risk of LNI calculated according to the Briganti nomogram [12]
- Vital signs
Laboratory testing (absolute neutrophil count; platelets; haemoglobin; serum creatinine) The week before surgery patients will undergo a 68Ga-PSMA PET/MRI or PET/CT scan for preoperative staging. Simultaneous PET/MRI will start 60 minutes after the administration of approximately 160MBq of PSMA with the following protocol: localizer MRI scans to define the number of table positions (PET-FOV) to acquire (4-min/table position); specific attenuation correction and anatomical localization MR sequences at each PET-FOV; pelvic mpMRI protocol according to European Society of Urogenital Radiology guidelines. A positive 68Ga-PSMA PET/MRI will be defined as the presence of any uptake at the level of the pelvic and/or retroperitoneal nodes. The results of this procedure will not change the initially planned treatment.
99mTc-PSMA-I&S will be intravenously injected the day before surgery (day -1). 99mTc-PSMA-I&S will be prepared using a synthesis kit previously described [25]. SPECT/CT imaging will be performed the same day of treatment administration (day -1) to document positive tracer uptake and will serve as quality control for tracer injection and distribution.
All procedures will be performed through a trans-peritoneal approach using the Da Vinci Xi (Intuitive Surgical, Sunnyvale, CA, USA) robotic Surgical System. The patient will be placed in a Trendelenburg position. After incision of the peritoneum, release of the bladder laterally to the endopelvic fascia, the ureter will be localized.
A drop-in gamma probe will be used for in vivo intraoperative measurements to identify metastatic lesions at the level of the internal iliac, external iliac, obturatory and common iliac stations. A positive finding at PSMA-RGS will be defined as the presence of a count rate of at least twice as compared to the background reference (namely, fatty tissue of each patient). All positive lesions (a count rate of at least twice as compared to the background reference) will be excised. Ex vivo gamma measurements will be performed to immediately to confirm the removal of the radioactive lesion or to prompt further search in case of a missing signal. All the removed tissue will be collected separately according to the site of resection.
Study Type
Enrollment (Estimated)
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
MI
-
Milan, MI, Italy, 20132
- Recruiting
- Ospedale San Raffaele
-
Sub-Investigator:
- Vito Cucchiara, MD
-
Contact:
- Giorgio Gandaglia, MD
- Phone Number: 00390226434066
- Email: gandaglia.giorgio@hsr.it
-
Contact:
- Elio Mazzone
- Email: mazzone.elio@hsr.it
-
Sub-Investigator:
- Francesco Montorsi, Prof
-
Sub-Investigator:
- Alberto Briganti, Prof
-
Sub-Investigator:
- Elio Mazzone, MD
-
Sub-Investigator:
- Lucia Dambrosio
-
Principal Investigator:
- Giorgio Gandaglia, MD
-
Sub-Investigator:
- Nadia Finocchio
-
Sub-Investigator:
- Daniele Robesti, MD
-
Sub-Investigator:
- Leonardo Quarta, MD
-
Sub-Investigator:
- Marco Malvestiti, MD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Male patients
- Age between 18 and 80 years
- Biopsy proven PCa with a LNI risk >5% according to the Briganti nomogram
- Planned to receive a RARP with an ePLND
- Able to understand and willing to sign a written informed consent document
Exclusion Criteria:
- Receipt of neoadjuvant therapies
- Inability to complete the imaging examinations according to the prospective protocol
- Evidence of metastatic disease at conventional imaging before surgery
- Evidence of clinical lymphadenopathies at conventional imaging before surgery
- Life expectancy of less than 12 months
- Previous chemotherapy
- Previous brachytherapy or external beam radiotherapy
- Unstable cardiovascular disease
- Congestive Heart Failure (CHF)
- Clinically significant hepatobiliary or renal disease
- History of significant CNS injuries within 6 months
- Any other significant disease or disorder which, in the opinion of the Investigator, may either put the participants at risk because of participation in the trial, or may influence the result of the trial, or the participant's ability to participate in the trial
- Medical history of allergic disease or reactions likely to be exacerbated by the IMPs used in this study or by any of the components of the radiotracers (99mTc-PSMA-I&S and 68Ga-PSMA)
- Patients who received an experimental drug in the context of clinical trials within 30 days from the administration of the radiotracers in the current investigation or within 5 half-lives of the experimental drug itself
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Radioguided surgery
|
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Rate of lymph node invasion
Time Frame: 12 weeks
|
Rate of LNI observed at final pathology after 99mTc-PSMA-RGS (histopathological evaluation of the lymph nodes)
|
12 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Side effects
Time Frame: day 0
|
Side effects associated with the administration of 99mTC-PSMA-I&S (day 0)
|
day 0
|
Postoperative complications
Time Frame: day 28 and day 84
|
Rate of intraoperative complications associated with 99mTc-PSMA-RGS assessed at visit 2
|
day 28 and day 84
|
Nodal invasion outside the template
Time Frame: 12 weeks
|
Rate of LNI observed at final pathology in nodes outside the extended nodal dissection template detected only by 99mTc-PSMA-RGS
|
12 weeks
|
Collaborators and Investigators
Sponsor
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- PSMA RGS
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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