PHAR, in collaboration with Sunovion Pharmaceuticals, used the RAND/UCLA modified Delphi panel method, convening a 12-member international panel, to develop expert consensus on the use of on-demand treatments for OFF episodes in Parkinson’s. Cynthia Campos, MPH, Sarah N. Gibbs, MPH, and Michael S Broder, MD, MSHS developed a 432-item rating form where panelists rated the appropriateness of prescribing on-demand therapies (i.e., inhaled levodopa, apomorphine subcutaneous injections, apomorphine sublingual film) in different clinical scenarios. Panelists agreed that on-demand treatment is appropriate for many patients with OFF episodes. The greater the functional impact of OFF episodes and interference with basic daily activities, the more likely experts agreed that on-demand treatment was appropriate to prescribe. This report can be read on the PHAR publications page or ahead of print in Movement Disorders Clinical Practice.