Thromboembolic toxicity observed with concurrent trametinib and lenalidomide therapy Priya P. Chan MD¹, Ashley Sabus PharmD, BCOP², Molly S. Hemenway MS, PNP³, Kathryn C. Chatfield MD³, Christina J. White DO⁴, David M. Mirsky MD⁴, Nicholas K. Foreman MD³, Nathan A. Dahl MD³

¹Department of Pediatrics, University of Utah, Salt Lake City, Utah

²Department of Pharmacy, Children’s Hospital Colorado, University of Colorado Anschutz Medical Campus, Aurora, Colorado

³Department of Pediatrics, Children’s Hospital Colorado, University of Colorado Anschutz Medical Campus, Aurora, Colorado

⁴Department of Radiology, Children’s Hospital Colorado, University of Colorado Anschutz Medical Campus, Aurora, Colorado

Corresponding Author: Priya Chan, MD 100 N Mario Capecchi Drive, SLC, UT 84113

Phone (612) 251-6318, Fax (801) 662-4717

Priya.Chan@hsc.utah.edu