The purpose of this study is to evaluate the safety and tolerability of olezarsen in participants with SHTG.



Eligible Ages
Over 18 Years
Eligible Genders
Accepts Healthy Volunteers

Inclusion Criteria

  • Satisfactory completion of either ISIS 678354-CS5 or ISIS 678354-CS6 (last dose as scheduled at Week 49) with an acceptable safety profile, per Investigator judgment. - Participants must be on a stable regimen of lipid-lowering therapy that should adhere to standard of care (SOC) per local guidelines.

Exclusion Criteria

  • Have any new condition or worsening of existing condition which in the opinion of the Investigator would make the participant unsuitable for enrollment, or could interfere with the participant participating in or completing the study, including need for treatment with disallowed medications, or need to change the required stable regimen as per either ISIS 678354-CS5 or ISIS 678354-CS6 study entry criteria. NOTE: Other Inclusion/Exclusion criteria may apply.

Study Design

Phase 3
Study Type
Intervention Model
Single Group Assignment
Primary Purpose
None (Open Label)

Arm Groups

ArmDescriptionAssigned Intervention
Participants who completed either ISIS 678354-CS5 (NCT05079919) or ISIS 678354-CS6 (NCT05552326) study would be enrolled to receive olezarsen, subcutaneous (SC) injection, once every 4 weeks from Week 1 through Week 49.
  • Drug: Olezarsen
    Administered as SC injection.
    Other names:
    • ISIS 678354

Recruiting Locations

University of Kansas Medical Center (KUMC)
Kansas City, Kansas 66160

More Details

Ionis Pharmaceuticals, Inc.

Study Contact

Ionis Pharmaceuticals, Inc.
(844) 274-0709

Detailed Description

This is a multi-center, open-label study of up to 700 participants with SHTG who would be rolled over from studies ISIS 678354-CS5 (NCT05079919) or ISIS 678354-CS6 (NCT05552326). Day 1 of this study may be same as the Week 53 visit of either ISIS 678354-CS5 or ISIS 678354-CS6, as applicable. Participants will receive olezarsen during the 53-week treatment period. The study will include a 31-day qualification Period, a 53-week treatment period, and a 13-week post-treatment period.


Study information shown on this site is derived from ClinicalTrials.gov (a public registry operated by the National Institutes of Health). The listing of studies provided is not certain to be all studies for which you might be eligible. Furthermore, study eligibility requirements can be difficult to understand and may change over time, so it is wise to speak with your medical care provider and individual research study teams when making decisions related to participation.