Clinical trials with N-acetyl-L-leucine showed beneficial effects in lysosomal diseases. Here, the authors investigate a disease modifying effect of acetyl-DL-leucine in 2 patients with REM sleep behavior disorder, a prodrome of Parkinson’s disease, and report improvements in neurological symptoms and imaging biomarkers.
- Wolfgang H. Oertel
- Annette Janzen
- Michael Strupp