ISIS 678354-CS15 is a multi-center, open-label study of up to 700 participants with SHTG who would be rolled over from studies ISIS 678354-CS5 CORE or ISIS 678354-CS6 CORE2. The purpose of this study is to evaluate the safety and tolerability of olezarsen in participants with SHTG. CS15 on ClinicalTrials.gov Contact Us about Cs15