NCT03537742

Brief Summary

The focus of this study is to test the safety and efficacy of the PCSK9 inhibitor, alirocumab when administered early after heart transplantation (HT).The main objective of this project is to test the safety and impact on cardiac allograft vasculopathy (CAV) of alirocumab when given early after HT.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
114

participants targeted

Target at P50-P75 for phase_2

Timeline
Completed

Started May 2019

Longer than P75 for phase_2

Geographic Reach
1 country

1 active site

Status
completed

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

May 15, 2018

Completed
10 days until next milestone

First Posted

Study publicly available on registry

May 25, 2018

Completed
12 months until next milestone

Study Start

First participant enrolled

May 13, 2019

Completed
6.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 11, 2025

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 11, 2025

Completed
Last Updated

March 17, 2026

Status Verified

November 1, 2025

Enrollment Period

6.2 years

First QC Date

May 15, 2018

Last Update Submit

March 14, 2026

Conditions

Keywords

Heart Transplant

Outcome Measures

Primary Outcomes (1)

  • Change in volume of plaque at 1 year post study drug start post heart transplant

    Measured change in coronary artery plaque volume(MM3), measured by Intravascular Ultrasound at time of coronary arteriogram within 4-8 weeks post transplant( baseline) and one year after study drug start post transplant

    Baseline and one year

Secondary Outcomes (4)

  • Change in LDL-C

    Baseline, 3, 6 and 12 months

  • Change in lipoprotein (a)

    Baseline, 3, 6 and 12

  • Change in apolipoprotein B

    Baseline, 3, 6 and 12

  • Percent change in coronary vessel size by fractional flow reserve

    baseline and one year

Study Arms (2)

alirocumab

EXPERIMENTAL

alirocumab 150mg subcutaneous every other week for one year following start of study drug

Biological: alirocumab

placebo

PLACEBO COMPARATOR

placebo to match alirocumab every other week for one year following start of study drug

Biological: placebo

Interventions

alirocumabBIOLOGICAL

alirocumab 150mg Subcutaneous

Also known as: Praluent
alirocumab
placeboBIOLOGICAL

placebo to match alirocumab

placebo

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Heart Transplant recipient

You may not qualify if:

  • impaired liver function

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Stanford University

Stanford, California, 94305, United States

Location

Related Publications (1)

  • Fearon WF, Terada K, Takahashi K, Skoda A, Luikart HI, Lamendola CA, Zimmermann FM, Hashikata T, Saito K, Yoshida A, Varr B, Knowles JW, Woo C, Honda Y, Teuteberg J, Khush KK. Cardiac Allograft Vasculopathy Inhibition With Alirocumab: The CAVIAR Trial. Circulation. 2026 Jan 6;153(1):7-17. doi: 10.1161/CIRCULATIONAHA.125.077603. Epub 2025 Nov 10.

MeSH Terms

Conditions

Vascular Diseases

Interventions

alirocumab

Condition Hierarchy (Ancestors)

Cardiovascular Diseases

Study Officials

  • William F Fearon, MD

    Stanford University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor, Cardiovascular Medicine

Study Record Dates

First Submitted

May 15, 2018

First Posted

May 25, 2018

Study Start

May 13, 2019

Primary Completion

July 11, 2025

Study Completion

July 11, 2025

Last Updated

March 17, 2026

Record last verified: 2025-11

Locations