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Study of ARO-APOC3 (Plozasiran) in Adults With Familial Chylomicronemia Syndrome (FCS)

Phase 3
Active, not recruiting
Conditions
Familial Chylomicronemia
Interventions
Drug: Placebo
Registration Number
NCT05089084
Lead Sponsor
Arrowhead Pharmaceuticals
Brief Summary

The purpose of AROAPOC3-3001 is to evaluate the efficacy and safety of ARO-APOC3 plozasiran) in adult participants with familial chylomicronemia syndrome (FCS). Participants who have met all eligibility criteria will be randomized to receive 4 doses of plozasiran or matching placebo administered subcutaneously. Participants who complete the randomized period will continue in a 2-year open-label extension period where all participants will receive plozasiran.

Detailed Description

Not available

Recruitment & Eligibility

Status
ACTIVE_NOT_RECRUITING
Sex
All
Target Recruitment
75
Inclusion Criteria
  • Fasting TG ≥ 10 mmol/L (≥ 880 mg/dL) at screening refractory to standard lipid lowering therapy
  • Diagnosis of FCS
  • Willing to follow dietary counseling as per investigator judgement based on local standard of care
  • Participants of childbearing potential (males & females) must use highly-effective contraception during the study and for at least 24 weeks following the last dose of study medication. Males must not donate sperm during the study and for at least 24 weeks following the last dose of study medication
  • Women of childbearing potential must have a negative pregnancy test at Screening and cannot be breastfeeding
  • Women of childbearing potential on hormonal contraceptives must be stable on the medication for ≥ 2 menstrual cycles prior to Day 1
Exclusion Criteria
  • Current use or use within the last 365 Days from Day 1 of any hepatocyte-targeted siRNA or antisense oligonucleotide molecule
  • Diabetes mellitus newly diagnosed within 12 weeks of Screening or where HbA1c ≥ 9.0% at Screening
  • Active pancreatitis within 12 weeks before Day 1
  • History of acute coronary syndrome event within 24 weeks of Day 1
  • History of major surgery within 12 weeks of Day 1
  • Uncontrolled hypertension
  • On treatment with human immunodeficiency virus (HIV) antiretroviral therapy
  • Seropositive for hepatitis B virus (HBV) or hepatitis C virus (HCV)
  • New York Heart Association (NYHA) Clas II, III, or IV heart failure

Note: Additional Inclusion/Exclusion criteria may apply per protocol

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
PlaceboPlacebocalculated volume to match active treatment by sc injection (randomized period)
ARO-APOC3 (plozasiran)Plozasiran4 doses of plozasiran by subcutaneous (sc) injection (randomized period) 8 doses of plozasiran by sc injection (open-label period)
Primary Outcome Measures
NameTimeMethod
Percent Change from Baseline in Fasting Triglycerides (TG) at Month 10Baseline, Month 10
Secondary Outcome Measures
NameTimeMethod
Percent Change from Baseline in Fasting APOC3 at Month 12Baseline, Month 12
Percent Change from Baseline in Non-High Density Lipoprotein Cholesterol (Non-HDL-C) at Month 10Baseline, Month 10
Percent Change from Baseline in Fasting TG at Month 10 and Month 12 (Averaged)Baseline, Month 10, Month 12
Percent Change from Baseline in Apolipoprotein C-III (APOC3) at Month 10Baseline, Month 10
Percent Change from Baseline in Fasting Non-HDL-C at Month 12Baseline, Month 12
Proportion of Patients Achieving TG of < 500 mg/dL at Month 12Month 12
Percent Change from Baseline in Fasting TG Over TimeBaseline, up through Month 12
Number of Participants with Treatment-Emergent Adverse Events (AEs) and/or Serious Adverse Events (SAEs)From first dose of study drug through Month 12 (Randomized Period) and through Month 36 (Open-label Period)
Number of Participants with Positively Adjudicated Events of Acute PancreatitisFrom first dose of study drug through Month 12 (Randomized Period) and through Month 36 (Open-label Period)
Percent Change from Baseline in High Density Lipoprotein Cholesterol (HDL-C) at Month 10Baseline, Month 10
Percent Change from Baseline in Fasting TG at Month 12Baseline, Month 12
Percent Change from Baseline in Fasting HDL-C at Month 12Baseline, Month 12
Proportion of Patients Achieving TG of < 500 mg/dL at Month 10Month 10
Change from Baseline in Fasting TG Over TimeBaseline, up through Month 12

Trial Locations

Locations (58)

Excel Medical Clinical Trials, LLC

🇺🇸

Boca Raton, Florida, United States

Herman Clinical Research, LLC

🇺🇸

Suwanee, Georgia, United States

Ascension St. Vincent Cardiovascular Research Institute

🇺🇸

Indianapolis, Indiana, United States

Centennial Medical Group

🇺🇸

Elkridge, Maryland, United States

Washington University School of Medicine, Division of Endocrinology, Metabolism and Lipid Research

🇺🇸

Saint Louis, Missouri, United States

New York University Langone Medical Center

🇺🇸

New York, New York, United States

Icahn School of Medicine at Mt. Sinai

🇺🇸

New York, New York, United States

Texas Diabetes and Endocrinology

🇺🇸

Austin, Texas, United States

York Clinical Research, LLC

🇺🇸

Norfolk, Virginia, United States

Instituto Medico DAMIC

🇦🇷

Córdoba, Argentina

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Excel Medical Clinical Trials, LLC
🇺🇸Boca Raton, Florida, United States

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