Marcus Butler Researcher University Health Network - Princess Margaret Cancer Centre Locations Ontario Home > Our Network > Marcus Butler Projects Previous Next Serial ctDNA Monitoring as a Prognostic and Predictive Biomarker in Advanced Melanoma (SAMBA) Immune Resistance Interrogation Study (IRIS) Investigator-initiated Phase II Study of Pembrolizumab Immunological Response Evaluation (INSPIRE) Marathon of Hope Cancer Centres Network Study for Ontario/Canadian Atezolizumab Precision Targeting for Immunotherapy Intervention (MOHCCN-O/CAPTIV-8) Identification of biomarkers to guide the duration of immunotherapy treatment for melanoma patients Previous Next Regional Consortia Princess Margaret Cancer Consortium Ontario The Princess Margaret Cancer Consortium coalesces the expertise and efforts of clinicians, pathologists, software developers and data and translational scientists to help accelerate precision medicine... Read more