Evolocumab Compared to LDL-C Apheresis in Patients Receiving LDL-C Apheresis Prior to Study Enrollment

November 4, 2022 updated by: Amgen

A Randomized, Actively Controlled, Open-label, Multicenter Study of Efficacy and Safety of Evolocumab Compared With Low Density Lipoprotein Cholesterol (LDL-C) Apheresis, Followed by Single-Arm Evolocumab Administration in Subjects Receiving LDL-C Apheresis Prior to Study Enrollment

To evaluate the efficacy of subcutaneous (SC) evolocumab, compared to regularly scheduled low-density lipoprotein cholesterol (LDL-C) apheresis, on reducing the need for future apheresis.

Study Overview

Study Type

Interventional

Enrollment (Actual)

39

Phase

  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Victoria
      • Heidelberg, Victoria, Australia, 3084
        • Research Site
      • Hradec Kralove, Czechia, 500 05
        • Research Site
      • Bron, France, 69677
        • Research Site
      • Nantes Cedex 1, France, 44093
        • Research Site
      • Berlin, Germany, 13353
        • Research Site
      • Dresden, Germany, 01307
        • Research Site
      • Düsseldorf, Germany, 40210
        • Research Site
      • Flensburg, Germany, 24939
        • Research Site
      • Pisa, Italy, 56124
        • Research Site
      • Roma, Italy, 00161
        • Research Site
    • Andalucía
      • Sevilla, Andalucía, Spain, 41013
        • Research Site
      • Harefield, United Kingdom, UB9 6JH
        • Research Site
      • Penarth, United Kingdom, CF64 2XX
        • Research Site
    • Florida
      • Boca Raton, Florida, United States, 33434
        • Research Site
    • Kansas
      • Kansas City, Kansas, United States, 66160
        • Research Site
    • Michigan
      • Grandville, Michigan, United States, 49418
        • Research Site
    • Oregon
      • Portland, Oregon, United States, 97239
        • Research Site

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Male or female, ≥ 18 years of age
  • Subject has been receiving regular apheresis for LDL-C lowering for at least 3 months immediately prior to lipid screening and has a treatment goal of LDL-C < 100 mg/dL (2.6 mmol/L), and has been receiving LDL-C apheresis during the last ≥ 4 weeks prior to lipid screening at regular QW or Q2W schedule and with no changes in apheresis type
  • Subject is receiving lipid-lowering pharmacological background therapy which includes a high-intensity statin dose (moderate-intensity statin dose with attestation that a higher dose is not appropriate for the subject) unless the subject has a history of statin intolerance
  • Lipid-lowering therapy status (ie, any therapy for lowering lipids, including apheresis type and frequency) must be unchanged for ≥ 4 weeks prior to LDL-C screening
  • Pre-apheresis LDL-C is ≥ 100 mg/dL (≥ 2.6 mmol/L) and ≤ 190 mg/dL (≤ 4.9 mmol/L) at screening
  • Fasting triglycerides ≤ 400 mg/dL (4.5 mmol/L) at screening.

Exclusion criteria:

  • Known homozygous familial hypercholesterolemia
  • Missing any apheresis session is medically contraindicated or inappropriate
  • Stopping apheresis would be inappropriate in the opinion of the investigator even if LDL-C is controlled to < 100 mg/dL with other therapies
  • Myocardial infarction, unstable angina, percutaneous coronary intervention (PCI), coronary artery bypass graft (CABG) or stroke within 3 months prior to randomization.
  • Uncontrolled hypertension

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Evolocumab
Participants received 140 mg evolocumab every 2 weeks (Q2W) administered by subcutaneous injection for 6 weeks during the primary period of the study. Starting at week 6 (beginning of the post-primary period), participants received 140 mg evolocumab Q2W up to week 24.
Administered by subcutaneous injection once every 2 weeks
Other Names:
  • Repatha
  • AMG 145
Active Comparator: Low Density Lipoprotein Cholesterol (LDL-C) Apheresis
Participants continued apheresis at the same schedule, every week (QW) or every two weeks (Q2W), as prior to study entry, for the first 6 weeks. Starting at week 6 (beginning of the post-primary period), participants received 140 mg evolocumab Q2W up to week 24.
Administered by subcutaneous injection once every 2 weeks
Other Names:
  • Repatha
  • AMG 145
Participants received apheresis for LDL-C according the their physician's prescription and local custom.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Percentage of Participants With Apheresis Avoidance at the End of Randomized Therapy
Time Frame: Week 5 and week 6

Avoidance of apheresis at end of randomized therapy was defined as no apheresis at week 5 and week 6. Aperesis at weeks 5 or 6 was based on LDL-C level at week 4:

participants with LDL-C ≥ 100 mg/dL at week 4 received apheresis at week 5 (participants who received apheresis QW before study entry) or week 6 (participants who received apheresis Q2W prior to study entry). If LDL-C was < 100 mg/dL at week 4, no apheresis was performed at week 5 or week 6, irrespective of assigned treatment group.

Participants who ended the study prior to week 6 were considered as not achieving apheresis avoidance.

Week 5 and week 6

Secondary Outcome Measures

Outcome Measure
Time Frame
Percent Change From Baseline in Low-density Lipoprotein Cholesterol
Time Frame: Baseline and week 4
Baseline and week 4
Percent Change From Baseline in Non-high-density Lipoprotein-Cholesterol
Time Frame: Baseline and Week 4
Baseline and Week 4
Percent Change From Baseline in Total Cholesterol/High-density Lipoprotein Cholesterol Ratio
Time Frame: Baseline and Week 4
Baseline and Week 4

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

December 21, 2015

Primary Completion (Actual)

September 1, 2016

Study Completion (Actual)

January 20, 2017

Study Registration Dates

First Submitted

October 7, 2015

First Submitted That Met QC Criteria

October 22, 2015

First Posted (Estimate)

October 26, 2015

Study Record Updates

Last Update Posted (Actual)

November 30, 2022

Last Update Submitted That Met QC Criteria

November 4, 2022

Last Verified

November 1, 2022

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

Yes

IPD Plan Description

De-identified individual patient data for variables necessary to address the specific research question in an approved data sharing request.

IPD Sharing Time Frame

Data sharing requests relating to this study will be considered beginning 18 months after the study has ended and either 1) the product and indication have been granted marketing authorization in both the US and Europe or 2) clinical development for the product and/or indication discontinues and the data will not be submitted to regulatory authorities. There is no end date for eligibility to submit a data sharing request for this study.

IPD Sharing Access Criteria

Qualified researchers may submit a request containing the research objectives, the Amgen product(s) and Amgen study/studies in scope, endpoints/outcomes of interest, statistical analysis plan, data requirements, publication plan, and qualifications of the researcher(s). In general, Amgen does not grant external requests for individual patient data for the purpose of re-evaluating safety and efficacy issues already addressed in the product labelling. Requests are reviewed by a committee of internal advisors. If not approved, a Data Sharing Independent Review Panel will arbitrate and make the final decision. Upon approval, information necessary to address the research question will be provided under the terms of a data sharing agreement. This may include anonymized individual patient data and/or available supporting documents, containing fragments of analysis code where provided in analysis specifications. Further details are available at the URL below.

IPD Sharing Supporting Information Type

  • Study Protocol
  • Statistical Analysis Plan (SAP)
  • Informed Consent Form (ICF)
  • Clinical Study Report (CSR)

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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