18Fluorine-Fluciclovine PET/CT for Staging Muscle Invasive Bladder Cancer Preceding Radical Cystectomy

  • STATUS
    Recruiting
  • days left to enroll
    88
  • participants needed
    16
  • sponsor
    Dana-Farber Cancer Institute
Updated on 18 April 2022
ct scan
radical cystectomy
cancer
carcinoma
metastasis
bladder cancer
radiopharmaceuticals
invasive bladder cancer
bladder tumor

Summary

This research study is studying a positron emission tomography (PET) agent called 18F-fluciclovine to evaluate how well 18F-fluciclovine-PET scans determine the extent of muscle invasive bladder cancer (as compared to regular CT and MRI imaging) and whether 18F-fluciclovine-PET scans can provide information about the pathologic grade of the tumor.

Description

This research study is a pilot study, which is the first-time investigators are examining this study imaging agent, 18F-fluciclovine, for use in imaging bladder cancer.

Staging of muscle invasive bladder cancer is currently done using computed tomography (CT) and/or magnetic resonance imaging (MRI). Both CT and MRI are useful to determine the extent of bladder cancer, but some studies show that up to 40% of patients with negative CT or MRI scans for disease outside the bladder are found to have disease outside the bladder (in lymph nodes near the bladder) at the time of surgery.

Given the limitations of the imaging exams currently used for staging bladder cancer, new techniques and imaging agents that can better identify metastatic lesions, especially within the pelvis, are desired and would be very useful.

18F-fluciclovine is a new radiotracer that was recently approved to evaluate lesions in recurrent prostate cancer (but not for bladder cancer). This radiotracer targets amino-acid receptors, which are overexpressed in multiple cancers. Studies have shown that 18F-fluciclovine PET/CT can visualize other types of cancers, such as breast cancer. A major advantage of 18F-fluciclovine is that it does not get into the bladder during the time of imaging. This may make it easier to see disease in the pelvis that is outside the bladder.

The purpose of this study to determine whether 18F-fluciclovine PET/CT can better stage muscle invasive bladder cancer compared to conventional CT or MRI. A secondary aim of this study is to determine whether 18F-fluciclovine PET/CT can reveal the pathologic grade of the bladder cancer, which is only determined from pathology specimens obtained at surgery.

Details
Condition Bladder Cancer, Urothelial Carcinoma
Treatment PET/CT, 18F-Fluciclovine
Clinical Study IdentifierNCT04018053
SponsorDana-Farber Cancer Institute
Last Modified on18 April 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Participants must have histologically or cytologically confirmed urothelial carcinoma of the bladder
Participants must have cT2-T4N0 disease at the time of the study, as defined by conventional CT or MRI imaging. Patients must have no definite evidence of locoregional or distant metastatic disease at the time of study eligibility, as defined by conventional imaging
Radical cystectomy must be planned for the patient after the planned 18F-fluciclovine-PET/CT
Patients may or may not have had prior neoadjuvant therapy prior to this study
Age ≥18 years. Since no dosing or adverse event data are currently available on the use of 18F-fluciclovine in participants <18 years of age, and the majority of bladder cancer occur in the adult population [42], children are excluded from this study but will be eligible for future pediatric trials
ECOG performance status ≤2 (Karnofsky ≥60%, see Appendix A)
Ability and willingness to comply with the study procedures
The effects of 18F-fluciclovine on the developing human fetus are unknown. For this reason and because radiopharmaceuticals may be teratogenic, women of childbearing potential and men must agree to use adequate contraception (barrier method of birth control; abstinence) prior to study entry and for 24 hours after the PET/CT scan is completed. Should a woman become pregnant or suspect she is pregnant while participating in this study, she should inform her treating physician immediately
Ability to understand and the willingness to sign a written informed consent document

Exclusion Criteria

Participants with other known malignancies that has required treatment in the past 3 years
Pregnant women are excluded from this study because 18F-fluciclovine is a radiopharmaceutical with the potential for teratogenic effects. Because of the radiation exposure to a nursing infant from 18F-fluciclovine, women who are breastfeeding are also excluded from this study
History of allergic reactions attributed to compounds of similar chemical or biologic composition to 18F-fluciclovine
Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements
Severe claustrophobia
Contraindications for PET/CT including
Any past or current condition that in the opinion of the study investigators would
confound the results of the study or pose additional risk to the patient by
their participation in the study
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