Patterns and Determinants of Prescribing for Parkinson’s Disease: A Systematic Literature Review

Figure 1

The evolution of pharmacotherapy for Parkinson’s disease with key discoveries in efficacy, safety, and approvals of medications since the discovery of L-dopa. The horizontal line represents years from 1967 to 2017. Coloured boxes around the horizontal line represent the event type mentioned in the coloured boxes shown in the bottom of the figure.