Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Pharmacokinetics, Safety, and Pharmacodynamics of Olpasiran in Participants With Various Degrees of Hepatic Impairment

ClinicalTrials.gov ID: NCT05481411

Public ClinicalTrials.gov record NCT05481411. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 7:16 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase I, Open-label Single Dose Study to Evaluate the Pharmacokinetics, Safety, and Pharmacodynamics of Olpasiran in Subjects With Various Degrees of Hepatic Impairment

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The primary objective of the study is to evaluate the pharmacokinetics (PK) of a single dose of olpasiran in participants with mild, moderate, or severe hepatic impairment compared to participants with normal hepatic function.

Study identification

NCT ID
NCT05481411
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Amgen
Industry
Enrollment
25 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 75 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 13, 2022 (Actual)
Primary completion
Apr 5, 2023 (Actual)
Completion
May 31, 2023 (Actual)
Last update posted
Oct 15, 2025

2022 – 2023

United States locations

U.S. sites
3
U.S. states
3
U.S. cities
3
Facility City State ZIP Site status
Inland Empire Clinical Trials, LLC Rialto California 92377 —
Orlando Clinical Research Center Orlando Florida 32809 —
The Texas Liver Institute, Inc. San Antonio Texas 78215 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05481411, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Oct 15, 2025 · Synced Oct 21, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT05481411 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →