What is the best new treatment for parkinson's disease?

Parkinson's treatmen: Good question, but requites more info to answer meaningfully. The answer depends on the individual case. Age, other brain and neurologic factors, confirming diagnosis is correct, ruling out adverse drug effects causing parkinsonism, and more. Consider consulting a neurologist. There are various medications and sometimes surgeries.

Azilect (rasagiline) + Other Meds: Dopamine meds are mainstay of treatment. Modern therapy recommends longer lasting, milder potency meds first: Azilect (mao-b selective inhibitor) & Dopamine agonists (requip xl/mirapex er/neupro). After they've been maximized & stronger meds are needed to adequately manage symptoms, then sinemet +/- Comtan (stalevo (carbidopa and levodopa and entacapone) is both together) are begun. Tailor rx with side effects in mind for each person.