Study to Evaluate ARO-APOC3 in Adults With Severe Hypertriglyceridemia
SHASTA-2
A Double-Blind, Placebo-Controlled Phase 2b Study to Evaluate the Efficacy and Safety of ARO-APOC3 in Adults With Severe Hypertriglyceridemia
1 other identifier
interventional
229
8 countries
74
Brief Summary
The purpose of AROAPOC3-2001 is to evaluate the efficacy and safety of ARO-APOC3 in participants with severe hypertriglyceridemia. Participants will receive 2 subcutaneous injections of ARO-APOC3.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_2
Started May 2021
74 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
January 19, 2021
CompletedFirst Posted
Study publicly available on registry
January 22, 2021
CompletedStudy Start
First participant enrolled
May 31, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 9, 2023
CompletedStudy Completion
Last participant's last visit for all outcomes
August 31, 2023
CompletedResults Posted
Study results publicly available
March 24, 2026
CompletedMarch 24, 2026
March 1, 2026
1.8 years
January 19, 2021
March 3, 2026
March 3, 2026
Conditions
Outcome Measures
Primary Outcomes (1)
Percent Change From Baseline at Week 24 in Fasting Triglycerides (TG)
Baseline, Week 24
Secondary Outcomes (13)
Percent Change From Baseline Over Time Through Week 48 in Fasting TG
Baseline, Weeks 4, 8, 12, 16, 20, 24, 28, 36, 48/early termination (ET)
Percent Change From Baseline at Week 24 in Apolipoprotein (Apo)C-III
Baseline, Week 24
Percent Change From Baseline Over Time Through Week 48 in ApoC-III
Baseline, Weeks 4, 8, 12, 16, 20, 24, 28, 36, 48/early termination (ET)
Percent Change From Baseline at Week 24 in Fasting Non-High-Density Lipoprotein Cholesterol (Non-HDL-C)
Baseline, Week 24
Percent Change From Baseline Over Time Through Week 48 in Fasting Non-High-Density Lipoprotein Cholesterol (Non-HDL-C)
Baseline, Weeks 4, 8, 12, 16, 20, 24, 28, 36, 48/early termination (ET)
- +8 more secondary outcomes
Study Arms (4)
Placebo, Day 1 and Week 12
EXPERIMENTALParticipants received a total of 2 placebo SC injections on Day 1 and Week 12 for a total of 2 injections.
ARO-APOC3 10 mg
EXPERIMENTALParticipants received a total of 2 ARO-APOC3 10 mg SC injections on Day 1 and Week 12 for a total of 2 injections.
ARO-APOC3 25 mg
EXPERIMENTALParticipants received a total of 2 ARO-APOC3 25 mg SC injections on Day 1 and Week 12 for a total of 2 injections.
ARO-APOC3 50 mg
EXPERIMENTALParticipants received a total of 2 ARO-APOC3 50 mg SC injections on Day 1 and Week 12 for a total of 2 injections.
Interventions
Eligibility Criteria
You may qualify if:
- Based on medical history, evidence of triglycerides (TG) ≥ 500 mg/dL and ≤ 4000 mg/dL at Screening
- Fasting TG ≥ 500 mg/dL at Screening
- Willing to follow diet counseling per Investigator judgment based on local standard of care
- Women of childbearing potential must have a negative pregnancy test, cannot be breastfeeding, and must be willing to use contraception
- Willing to provide written informed consent and to comply with study requirements
You may not qualify if:
- Active pancreatitis within 12 weeks prior to first dose
- Any planned bariatric surgery or similar procedures to induce weight loss from consent to end of study
- Acute coronary syndrome event within 24 weeks of first dose
- Major surgery within 12 weeks of first dose
- Planned coronary intervention (e.g., stent placement or heart bypass) or any non-cardiac major surgical procedure throughout the study
- Uncontrolled hypertension
- Human immunodeficiency virus (HIV) infection, seropositive for Hepatitis B (HBV), seropositive for Hepatitis C (HCV)
- Uncontrolled hypothyroidism or hyperthyroidism
- Hemorrhagic stroke within 24 weeks of first dose
- Malignancy within the last 2 years prior to date of consent requiring systemic treatment (some exceptions apply)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (74)
Research Site 2
Beverly Hills, California, 90211, United States
Research Site 4
Palm Springs, California, 92292, United States
Research Site 5
Boca Raton, Florida, 33434, United States
Research Site 6
Fort Lauderdale, Florida, 33308, United States
Research Site 10
Miami, Florida, 33144, United States
Research Site 9
Miami, Florida, 33144, United States
Research Site 11
Miami, Florida, 33155, United States
Research Site 8
Miami, Florida, 33173, United States
Research Site 12
Miami Springs, Florida, 33166, United States
Research Site 14
Port Orange, Florida, 32127, United States
Research Site 16
Dunwoody, Georgia, 30338, United States
Research Site 17
Arlington Heights, Illinois, 60005, United States
Research Site 18
Lexington, Kentucky, 40503, United States
Research Site 20
Minneapolis, Minnesota, 55455, United States
Research Site 21
Tupelo, Mississippi, 38801, United States
Research Site 22
Kalispell, Montana, 59901, United States
Research Site 23
Omaha, Nebraska, 68114, United States
Research Site 24
Las Vegas, Nevada, 89121, United States
Research Site 25
Long Island City, New York, 11106, United States
Research Site 26
New Windsor, New York, 12553, United States
Research Site 27
New York, New York, 10029, United States
Research Site 29
Morehead City, North Carolina, 28557, United States
Research Site 30
Fargo, North Dakota, 58104, United States
Research Site 31
Dayton, Ohio, 45419, United States
Research Site 32
Franklin, Ohio, 45005, United States
Research Site 33
Maumee, Ohio, 43537, United States
Research Site 34
Oklahoma City, Oklahoma, 73135, United States
Research Site 35
Greenville, South Carolina, 29607, United States
Research Site 36
Chattanooga, Tennessee, 37421, United States
Research Site 38
Houston, Texas, 77030, United States
Research Site 39
Houston, Texas, 77099, United States
Research Site 40
San Antonio, Texas, 78249, United States
Research Site 41
Manassas, Virginia, 20110, United States
Research Site 43
Perth, Nedlands, 6009, Australia
Research Site 42
Camperdown, New South Wales, 2050, Australia
Research Site 44
Brisbane, Queensland, 4064, Australia
Research Site 45
Sippy Downs, Queensland, 4556, Australia
Research Site 46
Adelaide, South Australia, 5000, Australia
Research Site 47
Clayton, Victoria, 3168, Australia
Research Site 49
Concord, Ontario, L4K 4M2, Canada
Research Site 50
London, Ontario, N6A 5A5, Canada
Research Site 51
Toronto, Ontario, M4G 3E8, Canada
Research Site 52
Chicoutimi, Quebec, G7H5H6, Canada
Research Site 53
Greenfield, Quebec, J4V2G8, Canada
Research Site 54
Montreal, Quebec, H2W2T2, Canada
Research Site 55
Aachen, 52074, Germany
Research Site 56
Leipzig, 0 4103, Germany
Research Site 57
Baja, 6500, Hungary
Research Site 58
Baja, 6500, Hungary
Research Site 59
Balatonföldvár, H-8230, Hungary
Research Site 60
Békéscsaba, 5600, Hungary
Research Site 61
Debrecen, 4032, Hungary
Research Site 62
Gyöngyös, 3200, Hungary
Research Site 63
Komárom, 2921, Hungary
Research Site 65
Nyíregyháza, 4400, Hungary
Research Site 64
Nyíregyháza, 4405, Hungary
Research Site 66
Amsterdam, 1105 AZ, Netherlands
Research Site 67
Dordrecht, 3318 AT, Netherlands
Research Site 68
Sneek, 08601, Netherlands
Research Site 73
Grafton, Auckland, 1010, New Zealand
Research Site 69
Christchurch, 8011, New Zealand
Research Site 70
Hamilton, 3200, New Zealand
Research Site 71
Papatoetoe, 2025, New Zealand
Research Site 72
Rotorua, 3010, New Zealand
Research Site 74
Bydgoszcz, 85-605, Poland
Research Site 75
Elblag, 82-300, Poland
Research Site 76
Gdynia, 81-157, Poland
Research Site 83
Lodz, 94-048, Poland
Research Site 78
Oświęcim, 32-600, Poland
Research Site 79
Poznan, 61-655, Poland
Research Site 80
Puławy, 24-100, Poland
Research Site 81
Rzeszów, 35-055, Poland
Research Site 82
Wołomin, 05-200, Poland
Research Site 77
Łęczyca, 99-100, Poland
Related Publications (1)
Gaudet D, Pall D, Watts GF, Nicholls SJ, Rosenson RS, Modesto K, San Martin J, Hellawell J, Ballantyne CM. Plozasiran (ARO-APOC3) for Severe Hypertriglyceridemia: The SHASTA-2 Randomized Clinical Trial. JAMA Cardiol. 2024 Jul 1;9(7):620-630. doi: 10.1001/jamacardio.2024.0959.
PMID: 38583092DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Chief Operating Officer
- Organization
- Arrowhead Pharmaceuticals, Inc.
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 19, 2021
First Posted
January 22, 2021
Study Start
May 31, 2021
Primary Completion
March 9, 2023
Study Completion
August 31, 2023
Last Updated
March 24, 2026
Results First Posted
March 24, 2026
Record last verified: 2026-03