Tryptophan Depletion in PD Patients Treated With STN DBS
Stopped * Insufficient rates of participant accrual
* Effects in opposite direction of hypothesis
* Study was not feasible
Conditions
Interventions
- DIETARY_SUPPLEMENT: Tryptophan (TRP) depletion
- DIETARY_SUPPLEMENT: Placebo
- DEVICE: Stimulator ON
- DEVICE: Stimulator OFF
Sponsor
Maastricht University Medical Center
Collaborators