The completion of the form is strongly recommended, but is not required. 12 Blood work and restaging scans may be obtained +/- 7 days of clinic visit/assessment for logistical and scheduling purposes. 13Due to the Covid-19 pandemic, subjects with long term stable disease (>3) may have virtual visits and blood work performed with local provider 30 Short Title: Enzalutamide Vaccine in mCRPC Version Date: 03/29/2022 3.5 COST AND C OMPENSATION 3.5.1 Costs NIH does not bill health insurance companies or participants for any research or related clinical care that participants receive at the NIH Clinical Center. If some tests and procedures performed outside the NIH Clinical Center, participants may have to pay for these costs if they are not covered by insurance company.