title: Are adenosine antagonists, such as istradefylline, caffeine, and chocolate, useful in the treatment of Parkinson's disease?
authors.forename: Joseph
authors.initials: J
authors.lastname: Jankovic
mesh_terms: D058917:Adenosine A2 Receptor Antagonists; D002099:Cacao; D002110:Caffeine / Q000627:therapeutic use*; D006801:Humans; D010300:Parkinson Disease / Q000503:physiopathology / Q000628:therapy*; D011687:Purines / Q000627:therapeutic use*; D016032:Randomized Controlled Trials as Topic / Q000379:methods; D043683:Receptors, Adenosine A2 / Q000502:physiology
chemical_list: D058917:Adenosine A2 Receptor Antagonists; D011687:Purines; D043683:Receptors, Adenosine A2; C111599:istradefylline; D002110:Caffeine