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NCT05581303 · ClinicalTrials.gov registry record · Phase 3

Olpasiran Trials of Cardiovascular Events and Lipoprotein(a) Reduction (OCEAN(a)) - Outcomes Trial

A Phase 3 study of Atherosclerotic Cardiovascular Disease, sponsored by Amgen.

Active
Registry status
Phase 3
Development phase
7,297
Enrollment target
20
Study locations

NCT05581303: Active Phase 3 study of Atherosclerotic Cardiovascular Disease, sponsored by Amgen.

NCT05581303 is a Phase 3 study of Atherosclerotic Cardiovascular Disease that is active but no longer recruiting, run by Amgen. The registered enrollment target is 7,297 participants, roughly in line with the 7,220-participant average among 21 other Atherosclerotic Cardiovascular Disease trials with a reported enrollment target. The trial reports 20 study locations across 8 states. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT05581303, a Phase 3 study of Atherosclerotic Cardiovascular Disease, is active but no longer recruiting, sponsored by Amgen.

ACTIVE NOT RECRUITING
Registry status
Phase 3
Development phase
7,297 participants
Enrollment target
20
Study locations

Study Summary

The primary objective of this trial is to compare the effect of treatment with olpasiran, to placebo, on the risk for coronary heart disease death (CHD death), myocardial infarction, or urgent coronary revascularization in participants with atherosclerotic cardiovascular disease (ASCVD) and elevated Lipoprotein(a).

Interventions

  • DRUG Placebo
  • DRUG Olpasiran

Study Locations (20)

California

  • National Heart Institute - Beverly Hills
  • Vitality Clinical Research - Beverly Hills
  • University of California San Diego - La Jolla
  • VA Greater Los Angeles Healthcare System - Los Angeles
  • University of California Irvine - Orange
  • University of California Los Angeles - Santa Monica
  • Manshadi Heart Institute - Stockton
  • Med Partners, Inc dba Premiere Medical Center, Inc - Toluca Lake

Alabama

  • Ascension Saint Vincents Birmingham - Birmingham
  • Grandview Medical Center Affinity Cardiovascular Specialists, LLC - Birmingham
  • Heart Center Research LLC - Huntsville
  • Mobile Heart Specialists PC - Mobile

Arizona

  • Elite Clinical Studies LLC - Phoenix
  • HonorHealth Research and Innovation Institute - Scottsdale

Florida

  • Excel Medical Clinical Trials - Boca Raton
  • Bay Area Cardiology - Brandon

Alaska

  • Alaska Cardiovascular Research Foundation - Anchorage

Colorado

  • UCHealth Memorial Central - Colorado Springs

Connecticut

  • Cardiology Associates of Fairfield County PC - Stamford

District of Columbia

  • MedStar Clinical Research - Washington D.C.

Trial Details

FieldValue
Enrollment Target 7,297 participants
Start Date 2022-12-14
Est. Completion 2028-03-31
Phase Phase 3
Amgen

558 total trials

What the registry record for NCT05581303 still lists

NCT05581303 is an interventional study that assigns participants to a tested intervention. Its 7,297 participants enrollment target places it among the larger protocols in the corpus, roughly in line with the 7,220-participant average among 21 other Atherosclerotic Cardiovascular Disease trials with a reported enrollment target.

The record links to 1 condition, with Atherosclerotic Cardiovascular Disease appearing as the primary indexed condition, and to 2 interventions - of which Placebo is the first listed.

NCT05581303 names 20 study sites across 8 states, led by California, Alabama, Arizona.

Frequently Asked Questions

What is clinical trial NCT05581303 about?

NCT05581303 is a clinical study titled "Olpasiran Trials of Cardiovascular Events and Lipoprotein(a) Reduction (OCEAN(a)) - Outcomes Trial". The primary objective of this trial is to compare the effect of treatment with olpasiran, to placebo, on the risk for coronary heart disease death (CHD death), myocardial infarction, or urgent coronary revascularization in participants with atherosclerotic cardiovascular disease (ASCVD) and elevated...

What is the current status of trial NCT05581303?

This trial is currently active not recruiting. It is a Phase 3 study. The enrollment target is 7,297 participants. The study started on 2022-12-14. Estimated completion is 2028-03-31.

What conditions does trial NCT05581303 study?

This clinical trial studies the following conditions: Atherosclerotic Cardiovascular Disease.

What interventions are being tested in trial NCT05581303?

The interventions under investigation include: Placebo (DRUG), Olpasiran (DRUG).

Who is sponsoring clinical trial NCT05581303?

This trial is sponsored by Amgen, which has 558 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT05581303 being conducted?

This trial has 20 study locations across Alabama, Alaska, Arizona, California, Colorado. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Atherosclerotic Cardiovascular Disease

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT05581303's enrollment target sits among peer trials

7,297 7th of 21 higher than 15 of 21 other Atherosclerotic Cardiovascular Disease trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Atherosclerotic Cardiovascular Disease trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT05581303, the US trial registry maintained by the National Library of Medicine. NCT05581303 (large enrollment · wide site footprint · active not recruiting) retrieved and formatted by PlainTrial, see methodology.