NCT06822790 Long-Term Safety and Efficacy of Plozasiran in Adults With Hypertriglyceridemia

Eligibility & Interventions

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What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

Phase 3 trials are large pivotal studies comparing the treatment to current standard of care or placebo. Your participation directly contributes to the evidence needed for regulatory approval.

This trial targets 869 participants in total. It began in 2025-04-09 with a primary completion date of 2028-07.

Brief Summary

This is an open-label study to be conducted in adults with hypertriglyceridemia (HTG) and severe hypertriglyceridemia (SHTG). Each participant must have completed all required visits per protocol in the parent study AROAPOC3-2003 (USA and Canada participants only; NCT# 05413135), AROAPOC3-3001(Canada and Japan participants only; NCT05089084), AROAPOC3-3003 (NCT06347003), AROAPOC3-3004 (NCT06347016) or AROAPOC3-3009 (Argentina, Italy, South Africa, and Spain; NCT06347133). Subjects who previously met all eligibility requirements for AROAPOC3-3003 or AROAPOC3-3004 and were not permitted to proceed to randomization per the Sponsor's direction in order to prevent excessive over-enrollment may also be enrolled in this trial. The subjects must meet all other applicable eligibility criteria prior to enrollment and have an HbA1c results of \<=10% within 30 days prior to Day 1. Subjects entering this OLE from AROAPOC3-2003 must meet the following additional criteria to be considered for enrollment in addition to applicable eligibility criteria: 1. HbA1c ≤10% within 30 days prior to Day 1 2. Completed AROAPOC3-2001 prior to entry into AROAPOC3-2003 AND fulfill either (c) or (d) 3. Baseline fasting TG level of ≥500 mg/dL and prior history of acute pancreatitis at the time of enrollment into AROAPOC3-2001 4. Baseline fasting TG level of ≥1000 mg/dL at the time of enrollment into AROAPOC3-2001 All eligible participants will receive plozasiran administered subcutaneously (SC) approximately every 3 months for 24 months. Participants will be counseled to remain on the specified low-fat diet throughout the study in accordance with local standard of care.

Eligibility Criteria

Inclusion Criteria: * Adult males, or nonpregnant (who do not plan to become pregnant), nonlactating adult females, who are able and willing to provide written informed consent prior to the performance of any study-specific procedures * Completed all required study visits per protocol in the parent study * Female subjects of childbearing potential must agree to use a highly effective method of contraception during the study and for at least 90 days after the End of Study (EOS) or the last dose of plozasiran, whichever is later. Male subjects must agree to use a condom during the study and for at least 90 days after the EOS or last dose of plozasiran whichever is later. Subjects must not donate sperm or eggs during the study and for at least 90 days after the EOS or last dose of plozasiran, whichever is later. Female subjects of childbearing potential on hormonal contraceptives must be stable on medication for \>1 menstrual cycle prior to Day 1. * Subjects must be on standard of care li

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