NIH Reporter: (http://projectreporter.nih.gov/reporter.cfm)
Scroll to the Advanced Projects Search section. Click inside the Agency/Institute/Center box. A Pop-up menu will appear. Scroll to Veterans Affairs (VA) to select, then click Looking for additional search fields?
(See Diagram Below)
In the Advanced Projects Search box type RX in the Project number ID section (3rd block on the left where the format ID is separated into sections). Click the green Search button for results.