Salarius Pharmaceuticals enrolls first patient in Phase 1 study of seclidemstat
Salarius Pharmaceuticals announced it has enrolled the first patient in a Phase 1 clinical study of the company's lead compound, Seclidemstat, in patients with advanced solid tumors resistant to standard-of-care therapies. Seclidemstat is a differentiated reversible inhibitor of the widely studied epigenetic enzyme lysine-specific demethylase 1. This is Salarius' second Phase 1 clinical study for Seclidemstat, which is also the subject of an ongoing clinical study focused on Ewing sarcoma, a devastating bone and soft tissue cancer for which Seclidemstat has Orphan Drug Designation and Rare Pediatric Disease Designation from the U.S. Food and Drug Administration. Salarius expects to report early cohort data from both Phase 1 clinical studies in 2020. Seclidemstat is an oral small molecule inhibitor of LSD1, a validated drug target for clinical development. LSD1 is known to associate with more than 60 different gene regulatory proteins to drive a variety of cancer types. High levels of LSD1 expression are often correlated with poor patient prognosis. The open-label, dose escalation/dose expansion Phase 1 clinical study in advanced solid tumor cancers is designed to evaluate the safety, pharmacokinetics and pharmacodynamics of Seclidemstat, as well as establish a recommended dose for Phase 2 studies. The study is enrolling patients with advanced solid tumors, with a focus on prostate, breast, ovarian, melanoma, colorectal, non-Ewing's sarcomas and other cancers where Seclidemstat demonstrated single-agent preclinical activity. The study will also use established and exploratory biomarkers to assess sensitivity and early signs of therapeutic activity in these patients.