Monitoring a Mandatory Nonmedical Switching Policy from Originator to Biosimilar Infliximab in Patients with Inflammatory Bowel Diseases: A Population-Based Cohort Study

Figure 1

Use of biosimilar infliximab: percentage of all infliximab prescriptions that were for a biosimilar, by month and coverage, for adult and pediatric patients with inflammatory bowel diseases. The transition period of the Biosimilars Initiative started on 5 September 2019 and ended on 4 March 2020 for adults and on 15 May 2020 for pediatric patients. The black lines represent data for all prescriptions in British Columbia; the red lines represent data for prescriptions accepted by PharmaCare, the provincial drug plan.