Inclusion Criteria:  Men older than 18 years of age Prostate cancer diagnosis planned for treatment with ≥6 months of ADT (with or without RT) for clinically localized, biochemically recurrent, or oligometastatic disease. Planned ADT regimens may include: GnRH agonists (goserelin, histrelin, leuprolide, triptorelin) with or without first-generation anti-androgens and GnRH antagonists (degarelix). Additional systemic agents, including second-generation androgen receptor signaling inhibitors, may be used in combination with GnRH agonist/antagonist therapies per provider clinical discretion.  Ability to provide informed consent  Exclusion Criteria:  Prior ADT injection within 6 months prior to enrollment Inability or unwillingness to provide consent