Istradefylline 40 mg/working day enhanced peak amounts and AUC of CYP3A4 substrates in medical trials. This effect wasn't noticed with istradefylline 20 mg/day. Consider dose reduction of sensitive CYP3A4 substrates.So, Though one thing may very well be rated an 'A+', overconsumption/overdoing can carry unwelcome effects. Class 'B'Drugs which have