- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04369560
Virtual Histology of the Bladder Wall for Bladder Cancer Staging
Virtual Histology of the Bladder Wall for Bladder Cancer Staging; A Novel Intravesical Contrast-Enhanced MRI for Bladder Cancer Staging
Study Overview
Status
Conditions
Detailed Description
Twenty one patients with at least one cystoscopically confirmed papillary bladder tumor, who have been scheduled for Transurethral Resection of Bladder Tumor (TURBT) for surgical extirpation and staging, and twenty-one patients with histologically confirmed, muscle invasive transitional cell carcinoma of the bladder who have been scheduled for definitive radical cystectomy with curative intent will be recruited for a single study Magnetic Resonance Imaging to be performed between 1 and 6 days prior to their scheduled procedure.
Magnetic Resonance Imaging of all the enrolled patients will be performed on a 60-cm, wide-bore, 3T scanner (Siemens AG, Erlangen, Germany) with a 32-channel pelvic phased-array coil placed over the bladder using radial k-space sampling technique for volumetric free breathing acquisition with NCM enhanced StarVIBE57. Un-enhanced fast spoiled gradient-echo images with fat suppression will be obtained prior aseptic instillation of 50cc of a novel contrast mixture (NCM) of Gadobutrol (4 mM) plus Ferumoxytol (5 mM) in sterile water through a temporary urethral catheter. The catheter will then be removed and the patient repositioned in the scanner to obtain post-contrast images. All the image datasets will be linearly registered to the subject to ensure that regions of interest represent the same anatomical location at all time points. Post-contrast T1, pre-contrast T1 and deltaT1 will be measured from the acquired images. Two radiologists blinded to the pathologic findings will evaluate the Magnetic Resonance images to assign a radiologic tumor stage that will be compared with the subsequent pathologic stage determined at time of surgery. Following the MRI study, subjects will proceed with their surgical procedure as scheduled per standard of care.
Study Type
Enrollment (Estimated)
Phase
- Early Phase 1
Contacts and Locations
Study Contact
- Name: Dawn McBride, RN
- Phone Number: 412-623-2764
- Email: mcbridedl@upmc.edu
Study Locations
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Pennsylvania
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Pittsburgh, Pennsylvania, United States, 15232
- Recruiting
- UPMC Department of Urology
-
Contact:
- Joseph Craig, RN
- Phone Number: 412-623-2764
- Email: craigj2@upmc.edu
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- 18 to 90 years of age
- Able to understand and willing to sign a written informed consent document
- A papillary tumor identified by cystoscopy that has been scheduled for TURBT OR histologically proven MIBC that is clinically localized and amenable to surgical resection with curative intent.
- Performance status of ECOG 0 or 1
- Normal renal function as defined as creatinine less than 1.5 x institutional upper limit of normal (ULN) OR creatinine clearance greater than or equal to 50 mL/min/1.73 m2 by Cockcroft-Gault formula for subjects with creatinine levels greater than or equal to 1.5 x ULN.
Exclusion Criteria:
- Severe hypersensitivity reaction to gadobutrol or ferumoxytol.
- Severe claustrophobia that will prevent completion of the MRI study.
- Any MRI-non-compatible implanted device, prosthetic or pacemaker.
- Known or suspected metastatic disease.
- Women with active pregnancy, lactation or plans to conceive
- Untreated urinary tract infection
- Known urethral stricture disease that would prohibit placement of foley catheter.
- Any other conditions considered as unacceptable risk by the treating physician
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: Magnetic Resonance Imaging
Prior to planned surgical resection, subjects will undergo a single Magnetic Resonance Imaging study: a single breath-hold pre-contrast image followed by sterile placement of a temporary urethral catheter for instillation of a 50mL solution containing Gadobutrol (4 mM) plus ferumoxytol (5 mM) and a second, single breath hold post-contrast image.
|
60-cm wide bore 3T scanner (Siemens AG, Erlangen, Germany) with a 32-channel pelvic phased-array coil placed over the bladder.
A paramagnetic macrocyclic gadolinium-based contrast agent administered intravenously for use in magnetic resonance imaging.
Contrast-enhancement is a result of the neutral complex of gadolinium and dihydroxy-hydroxymethylpropyl- tetraazacyclododecane-triacetic acid (butrol).
Other Names:
An iron preparation (Fe3O4) approved for intravenous treatment of anemia in the setting of renal failure, comprised of superparamagnetic iron oxide nanoparticles which are coated by a semi-synthetic carbohydrate shell in an isotonic, neutral pH solution.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Accuracy of Magnetic Resonance Imaging assessment of depth of bladder wall penetration to predict pathologic stage determined at tumor resection
Time Frame: 4 weeks
|
The assessment of clinical tumor stage assigned by the radiologist will be compared to the stage reported by the clinical pathologist following tumor resection to determine the overall accuracy of MRI for bladder cancer staging.
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4 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Accuracy of Magnetic Resonance Imaging to detect residual/recurrent bladder tumor
Time Frame: 4 weeks
|
Patients are typically scheduled for radical cystectomy after initial TURBT with or without neoadjuvant chemotherapy.
MRI findings of bladder tumor will be compared with the areas of tumor identified on whole mount sectioning of the bladder to estimate the sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of MRI for bladder cancer.
Receiver operating characteristic (ROC) curve analysis will be used to estimate the tumor size threshold value for the diagnosis with MRI.
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4 weeks
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Rate of Adverse Events
Time Frame: 2 years
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Characterize the safety profile of MRI imaging following direct bladder instillation of a mixture of Gadobutrol and Ferumoxytrol (50mL in sterile water) via urethral catheter by soliciting and recording adverse events while on study.
|
2 years
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Jodi K Maranchie, MD, Associate Professor
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 (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Neoplasms
- Urologic Neoplasms
- Urogenital Neoplasms
- Neoplasms by Site
- Urologic Diseases
- Urinary Bladder Diseases
- Female Urogenital Diseases
- Female Urogenital Diseases and Pregnancy Complications
- Urogenital Diseases
- Male Urogenital Diseases
- Urinary Bladder Neoplasms
- Hematinics
- Pharmaceutical Solutions
- Parenteral Nutrition Solutions
- Ferrosoferric Oxide
Other Study ID Numbers
- STUDY20020173
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
- What data will be shared? The investigators will share the accuracy of the MRI staging versus the traditional pathological staging.
- Who will have access to the data? The investigators and future researchers who provide the proper MTA, IRB, etc. will have access to the de-identified data.
- Where will the data to be shared be located? De-identified data will be kept on the UPMC cloud.
- When will the data be shared? The data will be available to share after final analysis and publication of results.
- How will researchers locate and access the data? A link to the Cloud folder will be provided.
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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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