| Study Title | Key Findings | Form | Dose | Year |
|---|---|---|---|---|
| Effects of acute cannabidiol administration on anxiety and tremors induced by a Simulated Public Speaking Test in patients with Parkinson's disease | Acute CBD administration at a dose of 300 mg decreased anxiety in patients with PD, and there was also decreased tremor amplitude in an anxiogenic situation. | Not Available | CBD (300 mg) | 2020 |
| Effects of cannabidiol in the treatment of patients with Parkinson's disease: an exploratory double-blind trial. | Findings point to a possible effect of CBD in improving quality of life measures in PD patients with no psychiatric comorbidities; however, studies with larger samples and specific objectives are required before definitive conclusions can be drawn. | Not Available | Three study groups: CBD (75 mg/day), CBD (300 mg/day), or placebo | 2014 |