<qa>  What is the name of the prohibited medication that is used in the first dose of study medication?19. The use of prohibited medications, including prescription, over the counter OTC medications, herbal medications, inducers or inhibitors of CYP450 enzymes or drug transporters including P-gp within 14 days prior to the first dose of study medication is excluded, unless previously approved by the Sponsors Medical Monitor. NOTE: Chronic medication use is permitted so long as they are medically necessary, deemed acceptable by the Principal Investigator and Medical Monitor, and not Prohibited Medications see Section 5.12. 