Which of the following agents enhances the bioavailability of levodopa in patients with Parkinson's disease :
Levodopa metabolized in the body by two enzymes; MAO and COMT. Thus MAO inhibitors like selegiline and COMT inhibitors like entacapone and tolcapone can increase the bioavailability of dopa.
Amantadine
Ropinirole
Entacapone
Selegiline