A recent post on the SoPD blog discusses research on the use of immunosuppressants for the treatment of PD.

"Whether some of these immunosuppressive drugs could be re-purposed for Parkinson's still needs to be determined with further research. And given the risks associated with long-term use of immunosuppressant drugs and immunodeficiency/reduced cancer immunosurveillance such investigations will need to be extra vigilant."

Blessed are the suppressed | The Science of Parkinson's