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. 2021 Jul 1;98(1):E115-E121.
doi: 10.1002/ccd.29743. Epub 2021 Apr 24.

CARotid plaqUe StabilizatiOn and regression with evolocumab: Rationale and design of the CARUSO study

Tiziana Claudia Aranzulla  1 , Salvatore Piazza  2 , Andrea Ricotti  3 , Giuseppe Musumeci  4 , Andrea Gaggiano  2
Affiliations

CARotid plaqUe StabilizatiOn and regression with evolocumab: Rationale and design of the CARUSO study

Tiziana Claudia Aranzulla et al. Catheter Cardiovasc Interv. .

Abstract

Background: While the experience with PCSK9i in patients with coronary artery disease has been wide, and coronary plaque regression has been documented, little is known regarding the role of these drugs on carotid plaque regression. The CARotid plaqUe StabilizatiOn and regression with evolocumab (CARUSO) study is a randomized, single-center, investigator-initiated trial aiming at evaluating carotid plaque morphological stabilization and regression following, respectively, 6 and 12 months of therapy with evolocumab.

Methods: Asymptomatic patients with uni- or bilateral de novo carotid artery stenosis ≥50% and LDL-C values ≥100 mg/dl despite maximum tolerated lipid lowering therapy (LLT) will be randomized to evolocumab 140 mg s.c. every 2 weeks on top of ongoing LLT, or no additional treatment. 100 patients (50 in each arm) will be enrolled. Serial carotid duplex ultra-sonography will be performed to monitor the carotid plaque morphology and stenosis over time.

Results: The primary end point of the study is, (a) carotid plaque morphological stabilization at 6 months, defined as defined as the disappearance of ulcerations and fluffy components and the achievement of a regular plaque morphology with prevalence of fibrous atheroma and/or (b) carotid plaque regression at 12 months, defined as reduction of the entity of the stenosis and/or peak systolic velocity by at least 5%, as compared with baseline.

Conclusion: The CARUSO trial will test the superiority of evolocumab on top of ongoing LLT versus ongoing LLT alone regarding carotid plaque morphological stabilization and regression. The data that support the findings of this study are available on request from the corresponding author. The data are not publicly available due to privacy or ethical restrictions.

Keywords: carotid artery disease; drugs/pharmacotherapy; imaging; lipids.

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References

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