University of California, San Francisco
This phase II trial studies the side how well hyperpolarized carbon C 13 pyruvate (HP C-13 pyruvate) magnetic resonance imaging (MRI) works in monitoring patients with prostate cancer on active surveillance who have not received treatment. Diagnostic procedures, such as MRI, may help visualize HP C-13 pyruvate uptake and breakdown in tumor cells.
PRIMARY OBJECTIVES: I. Optimize the imaging sequences that maximize signal-to-noise ratio (SNR) and intra-tumoral conversion of HP 13C pyruvate to lactate (kPL) and HP 13C pyruvate to glutamate (kPG) in regions of tumor versus (vs.) adjacent benign tissue as assessed by multi-parametric MRI (mpMRI) imaging characteristics. (Part 1) II. Determine the association between intra-tumoral kPL and kPG with Gleason grade determined during magnetic resonance (MR)/ultrasound (US)-guided fusion prostate biopsies obtained within 6 months following baseline HP C-13 pyruvate MR exam. (Part 2) SECONDARY OB…
Inclusion Criteria: * The subject has biopsy-proven adenocarcinoma of the prostate with low to intermediate risk disease by UCSF-CAPRA scoring at study entry. * For Part 1: Patient planning to enroll or currently on active surveillance; For Part 2: Currently enrolled on active surveillance with planned fusion biopsy within 12 weeks following completion of baseline HP C-13 pyruvate/mpMRI on study. * The subject is able and willing to comply with study procedures and provide signed and dated informed consent. * Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1. * Absolute n…
Given IV
Undergo MRSI
Undergo MR/US fusion-guided prostate biopsy
Arctuva estimate
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