Equity in Modifying Plaque Of WomEn With UndeRtreated Calcified Coronary Artery Disease (EMPOWER CAD)

May 5, 2026 updated by: Shockwave Medical, Inc.
Post-market, prospective, multi-center, single-arm observational study to generate real-world clinical evidence associated with coronary IVL in a population of female subjects with calcified coronary artery disease.

Study Overview

Status

Active, not recruiting

Detailed Description

Subject population: up to 400 female subjects referred for percutaneous coronary intervention (PCI) with coronary IVL and stenting per standard of care at up to 50 global sites in the US, UK and Europe. Subjects will have clinical follow-up prior to discharge from the index intervention and at 30 days, 1, 2 and 3 years.

Study Type

Observational

Enrollment (Actual)

399

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

      • Antibes, France, 06606
        • Centre Hospitalier d'Antibes
      • Massy, France, 91300
        • Institut Cardiovasculaire Paris Sud Hôpital Privé Jacques Cartier
    • BP 27617
      • Toulouse, BP 27617, France, 31076 Cedex 3
        • Clinique Pasteur
    • Paris
      • Paris, Paris, France, 75013
        • AP-HP Hopital Pitie-Salpetriere
      • Leipzig, Germany
        • Heart and Lung Center Leipzig
    • Langenbeckstr. 1
      • Mainz, Langenbeckstr. 1, Germany, 55131
        • Universitaetsmedizin der Johannes Gutenberg - Universitaet Mainz
    • Nordallee 1
      • Trier, Nordallee 1, Germany, 54292
        • Krankenhaus der Barmherzigen Brüder Trier
      • Barcelona, Spain
        • Hospital del Mar
      • Córdoba, Spain
        • Hospital Universitario Reina Sofia
      • Madrid, Spain
        • Hospital Clinico San Carlos
    • A Coruña
      • Santiago de Compostela, A Coruña, Spain
        • Hospital Clínico de Santiago
      • Clydebank, United Kingdom, G81 4HX
        • Golden Jubilee National Hospital
      • Liverpool, United Kingdom, L14 3PE
        • Liverpool Heart and Chest Hospital
      • London, United Kingdom, SW17 0QT
        • St. George's Hospital
      • London, United Kingdom, W12 0HS,
        • Hammersmith Hospital
    • California
      • Loma Linda, California, United States, 92354
        • Loma Linda University Health
      • Los Angeles, California, United States, 90017
        • Good Samaritan Hospital
      • San Francisco, California, United States, 94118
        • Kaiser Permanente - San Francisco Medical Center
      • Stanford, California, United States, 94305
        • Stanford University
    • Colorado
      • Littleton, Colorado, United States, 80120
        • South Denver Cardiology Associates, P.C
    • Connecticut
      • New Haven, Connecticut, United States, 06510
        • Yale New Haven Hospital
    • Florida
      • Clearwater, Florida, United States, 33756
        • Morton Plant Hospital
      • Tallahassee, Florida, United States, 32308
        • Tallahassee Research Institute
    • Georgia
      • Atlanta, Georgia, United States, 30342
        • Northside Hospital
      • Atlanta, Georgia, United States, 30309
        • Piedmont Heart Institute
      • Atlanta, Georgia, United States, 30308
        • Emory Hospital
    • Illinois
      • Evanston, Illinois, United States, 60208
        • Northwestern University
    • Kansas
      • Kansas City, Kansas, United States, 66160
        • University of Kansas Medical Center
    • Louisiana
      • New Orleans, Louisiana, United States, 70112
        • Tulane University Center for Clinical Research
    • Massachusetts
      • Boston, Massachusetts, United States, 02115
        • Brigham and Women's Hospital
      • Boston, Massachusetts, United States, 02114
        • Massachusetts General Hospital
    • New Hampshire
      • Manchester, New Hampshire, United States, 03102
        • New England Heart and Vascular Institute
    • New York
      • Brooklyn, New York, United States, 11220
        • NYU Langone Health
      • New York, New York, United States, 10032
        • Columbia University Medical Center
      • New York, New York, United States, 10016
        • NYU Langone Health
      • Roslyn, New York, United States, 11576
        • St. Francis Hospital
      • The Bronx, New York, United States, 10467
        • Montefiore Medical Center
    • Ohio
      • Cincinnati, Ohio, United States, 45219
        • The Lindner Center for Research and Education at The Christ Hospital CRA: Timothy
    • Pennsylvania
      • York, Pennsylvania, United States, 17403
        • Wellspan York Hospital
    • Rhode Island
      • Providence, Rhode Island, United States, 02903
        • Rhode Island Hospital
    • South Carolina
      • Charleston, South Carolina, United States, 29425
        • MUSC Health University Medical Center
    • Tennessee
      • Nashville, Tennessee, United States, 37232
        • Vanderbilt University Medical Center
      • Nashville, Tennessee, United States, 37203
        • Centennial Heart
    • Texas
      • McAllen, Texas, United States, 78503
        • DHR Health Heart Institute
      • Plano, Texas, United States, 75093
        • Baylor Scott & White Research Institute
      • San Antonio, Texas, United States, 78229
        • University of Texas Health Science Center at San Antonio
    • Virginia
      • Falls Church, Virginia, United States, 22042
        • Inova Fairfax Medical Campus
    • Washington
      • Bellevue, Washington, United States, 98004
        • Overlake Medical Center
      • Seattle, Washington, United States, 98195
        • University of Washington Medical Center

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

Sampling Method

Non-Probability Sample

Study Population

Female patients referred for percutaneous coronary intervention (PCI) with coronary IVL and stenting per standard of care.

Description

Inclusion Criteria:

  1. The subject is a non-pregnant female ≥18 years of age
  2. The subject meets indications for PCI and stent
  3. The subject is scheduled to undergo PCI with coronary IVL and stenting per standard of care for non-stented lesion
  4. The subject is willing to comply with protocol-specified follow-up evaluations
  5. The subject, or legally authorized representative, has been informed of the nature of the study, agrees to its provisions, and has provided written informed consent, approved by the appropriate Institutional Review Board (IRB) or Ethics Committee (EC)

Exclusion Criteria:

  1. Subjects with known mental or physical illness or known history of substance abuse that may cause non-compliance with the protocol, confound the data interpretation, or is associated with a life expectancy of less than one year
  2. Subjects presenting with cardiogenic shock at the time of the index procedure
  3. Serious angiographic complication in the target vessel prior to treatment with coronary IVL including-severe dissection (Type D to F), perforation, abrupt closure, persistent slow-flow or persistent no reflow
  4. Subject unable to tolerate anticoagulation/antiplatelet therapy per guidelines
  5. Subject is enrolled in any study of an investigational device or drug that may interfere with study results

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

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Female subjects referred for percutaneous coronary intervention
Female subjects referred for percutaneous coronary intervention (PCI) with coronary IVL and stenting per standard of care.
Coronary Intravascular Lithotripsy (IVL)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Primary Effectiveness Endpoint: Procedural Success
Time Frame: 12-24 hours post procedure or at discharge, whichever is earlier, but at least 4 hours post procedure
Procedural Success defined as stent delivery with a residual in-stent stenosis ≤30% in all target lesions (core laboratory assessed) and without in-hospital TLF (CEC adjudicated).
12-24 hours post procedure or at discharge, whichever is earlier, but at least 4 hours post procedure
Primary Safety Endpoint: Number of Participants With Target Lesion Failure (TLF)
Time Frame: within 30 days of index procedure
Target lesion failure (TLF) at 30 days defined as a composite of cardiac death, myocardial infarction (per SCAI definition for peri-procedural MI; per 4th Universal Definition for spontaneous MI beyond discharge) attributable to target vessel (TV-MI), or ischemia-driven target lesion revascularization (ID-TLR).
within 30 days of index procedure

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Angiographic Success (≤30% Residual Stenosis)
Time Frame: 12-24 hours post procedure or at discharge, whichever is earlier, but at least 4 hours post procedure
Angiographic Success defined as stent delivery with ≤30% residual stenosis and without serious angiographic complications.
12-24 hours post procedure or at discharge, whichever is earlier, but at least 4 hours post procedure
Procedural Success
Time Frame: 12-24 hours post procedure or at discharge, whichever is earlier, but at least 4 hours post procedure
Procedural Success defined as stent delivery with a residual stenosis <50% in all target lesions (core laboratory assessed) and without in-hospital TLF.
12-24 hours post procedure or at discharge, whichever is earlier, but at least 4 hours post procedure
Angiographic Success (< 50% Residual Stenosis)
Time Frame: 12-24 hours post procedure or at discharge, whichever is earlier, but at least 4 hours post procedure
Angiographic Success defined as stent delivery with < 50% residual stenosis and without serious angiographic complications.
12-24 hours post procedure or at discharge, whichever is earlier, but at least 4 hours post procedure
Serious Angiographic Complications
Time Frame: 12-24 hours post procedure or at discharge, whichever is earlier, but at least 4 hours post procedure
Serious angiographic complications defined as severe dissection (Type D to F), perforation, abrupt closure, and persistent slow flow or persistent no reflow.
12-24 hours post procedure or at discharge, whichever is earlier, but at least 4 hours post procedure
Target Lesion Failure (TLF)-1 Year
Time Frame: 1 year post procedure

TFL is defined as a composite of:

  • Cardiac death (see definition within this definition of terms), or
  • Myocardial Infarction (per SCAI definition for peri-procedural MI; or per Fourth Universal definition for spontaneous MI beyond discharge)-see definition within this definition of terms), or
  • Ischemia-driven target lesion revascularization-ID-TLR (see definition within this definition of terms)
1 year post procedure
Target Lesion Failure (TLF)- 2 Year
Time Frame: 2 years post procedure

TFL is defined as a composite of:

  • Cardiac death (see definition within this definition of terms), or
  • Myocardial Infarction (per SCAI definition for peri-procedural MI; or per Fourth Universal definition for spontaneous MI beyond discharge)-see definition within this definition of terms), or
  • Ischemia-driven target lesion revascularization-ID-TLR (see definition within this definition of terms)
2 years post procedure
Target Lesion Failure (TLF)- 3 Year
Time Frame: 3 years post procedure

TFL is defined as a composite of:

  • Cardiac death (see definition within this definition of terms), or
  • Myocardial Infarction (per SCAI definition for peri-procedural MI; or per Fourth Universal definition for spontaneous MI beyond discharge)-see definition within this definition of terms), or
  • Ischemia-driven target lesion revascularization-ID-TLR (see definition within this definition of terms)
3 years post procedure
Major Adverse Cardiac Events (MACE)- 30 Days
Time Frame: within 30 days of index procedure
Major Adverse Cardiac Events (MACE) defined as a composite of cardiac death, myocardial infarction (per SCAI definition for periprocedural MI; per 4th Universal Definition for spontaneous MI beyond discharge), and target vessel revascularization. All MACE were adjudicated by an independent CEC.
within 30 days of index procedure
Major Adverse Cardiac Events (MACE)- 1 Year
Time Frame: 1 year post procedure
Major Adverse Cardiac Events (MACE) defined as a composite of cardiac death, myocardial infarction (per SCAI definition for periprocedural MI; per 4th Universal Definition for spontaneous MI beyond discharge), and target vessel revascularization. All MACE were adjudicated by an independent CEC.
1 year post procedure
Major Adverse Cardiac Events (MACE)- 2 Year
Time Frame: 2 years post procedure
Major Adverse Cardiac Events (MACE) defined as a composite of cardiac death, myocardial infarction (per SCAI definition for periprocedural MI; per 4th Universal Definition for spontaneous MI beyond discharge), and target vessel revascularization. All MACE were adjudicated by an independent CEC.
2 years post procedure
Major Adverse Cardiac Events (MACE)- 3 Year
Time Frame: 3 years post procedure
Major Adverse Cardiac Events (MACE) defined as a composite of cardiac death, myocardial infarction (per SCAI definition for periprocedural MI; per 4th Universal Definition for spontaneous MI beyond discharge), and target vessel revascularization. All MACE were adjudicated by an independent CEC.
3 years post procedure
All Death, Cardiac Death, MI, TV-MI, Procedural and Nonprocedural MI, ID-TVR, ID-TLR, ID-non-TLR, ID-non-TVR, All Revascularizations, and Stent Thrombosis- Discharge
Time Frame: 12-24 hours post procedure or at discharge, whichever is earlier, but at least 4 hours post procedure.
All death, cardiac death, MI, TV-MI, procedural and nonprocedural MI, ID-TVR, ID-TLR, ID-non-TLR, ID-non-TVR, all revascularizations (ID and non-ID), and stent thrombosis (ARC definite, probable, definite or probable) in-hospital
12-24 hours post procedure or at discharge, whichever is earlier, but at least 4 hours post procedure.
All Death, Cardiac Death, MI, TV-MI, Procedural and Nonprocedural MI, ID-TVR, ID-TLR, ID-non-TLR, ID-non-TVR, All Revascularizations, and Stent Thrombosis- 30 Days
Time Frame: within 30 days of index procedure
All death, cardiac death, MI, TV-MI, procedural and nonprocedural MI, ID-TVR, ID-TLR, ID-non-TLR, ID-non-TVR, all revascularizations (ID and non-ID), and stent thrombosis (ARC definite, probable, definite or probable)- 30 days
within 30 days of index procedure
All Death, Cardiac Death, MI, TV-MI, Procedural and Nonprocedural MI, ID-TVR, ID-TLR, ID-non-TLR, ID-non-TVR, All Revascularizations, and Stent Thrombosis- 1 Year
Time Frame: 1 year post procedure
All death, cardiac death, MI, TV-MI, procedural and nonprocedural MI, ID-TVR, ID-TLR, ID-non-TLR, ID-non-TVR, all revascularizations (ID and non-ID), and stent thrombosis (ARC definite, probable, definite or probable)
1 year post procedure
All Death, Cardiac Death, MI, TV-MI, Procedural and Nonprocedural MI, ID-TVR, ID-TLR, ID-non-TLR, ID-non-TVR, All Revascularizations, and Stent Thrombosis- 2 Year
Time Frame: 2 years post procedure
All death, cardiac death, MI, TV-MI, procedural and nonprocedural MI, ID-TVR, ID-TLR, ID-non-TLR, ID-non-TVR, all revascularizations (ID and non-ID), and stent thrombosis (ARC definite, probable, definite or probable)
2 years post procedure
All Death, Cardiac Death, MI, TV-MI, Procedural and Nonprocedural MI, ID-TVR, ID-TLR, ID-non-TLR, ID-non-TVR, All Revascularizations, and Stent Thrombosis- 3 Year
Time Frame: 3 years post procedure
All death, cardiac death, MI, TV-MI, procedural and nonprocedural MI, ID-TVR, ID-TLR, ID-non-TLR, ID-non-TVR, all revascularizations (ID and non-ID), and stent thrombosis (ARC definite, probable, definite or probable)
3 years post procedure
MI (Myocardial Infarction)- Discharge
Time Frame: 12-24 hours post procedure or at discharge, whichever is earlier, but at least 4 hours post procedure
MI rates and all composite endpoints (TLF, MACE) will also be reported using the 4th Universal Definition for peri-procedural and spontaneous MI.
12-24 hours post procedure or at discharge, whichever is earlier, but at least 4 hours post procedure
MI (Myocardial Infarction)- 30 Day
Time Frame: within 30 days of index procedure
MI rates and all composite endpoints (TLF, MACE) will also be reported using the 4th Universal Definition for peri-procedural and spontaneous MI.
within 30 days of index procedure
MI (Myocardial Infarction)- 1 Year
Time Frame: 1 year post procedure
MI rates and all composite endpoints (TLF, MACE) will also be reported using the 4th Universal Definition for peri-procedural and spontaneous MI.
1 year post procedure
MI (Myocardial Infarction)- 2 Year
Time Frame: 2 years post procedure
MI rates and all composite endpoints (TLF, MACE) will also be reported using the 4th Universal Definition for peri-procedural and spontaneous MI.
2 years post procedure
MI (Myocardial Infarction)- 3 Year
Time Frame: 3 years post procedure
MI rates and all composite endpoints (TLF, MACE) will also be reported using the 4th Universal Definition for peri-procedural and spontaneous MI.
3 years post procedure
Angina Symptoms Assessed by Seattle Angina Questionnaire (SAQ-7)- Baseline to 30 Days
Time Frame: From baseline to within 30 days of index procedure
Angina symptoms assessed as a change from baseline by Seattle Angina Questionnaire (SAQ-7). Summary score; 0 to 24 represents poor health status; 25 to 49 represents fair; 50 to 74 represents good; 75 to 100 represents excellent.
From baseline to within 30 days of index procedure
Angina Symptoms Assessed by Seattle Angina Questionnaire (SAQ-7)- Baseline to 1 Year
Time Frame: From baseline to within 1 year of index procedure
Angina symptoms assessed as a change from baseline by Seattle Angina Questionnaire (SAQ-7). Summary score; 0 to 24 represents poor health status; 25 to 49 represents fair; 50 to 74 represents good; 75 to 100 represents excellent.
From baseline to within 1 year of index procedure
Angina Symptoms Assessed by Seattle Angina Questionnaire (SAQ-7)- Baseline to 2 Years
Time Frame: From baseline to within 2 years of index procedure
Angina symptoms assessed as a change from baseline by Seattle Angina Questionnaire (SAQ-7). Summary score; 0 to 24 represents poor health status; 25 to 49 represents fair; 50 to 74 represents good; 75 to 100 represents excellent.
From baseline to within 2 years of index procedure
Angina Symptoms Assessed by Seattle Angina Questionnaire (SAQ-7)- Baseline to 3 Years
Time Frame: From baseline to within 3 years of index procedure
Angina symptoms assessed as a change from baseline by Seattle Angina Questionnaire (SAQ-7). Summary score; 0 to 24 represents poor health status; 25 to 49 represents fair; 50 to 74 represents good; 75 to 100 represents excellent.
From baseline to within 3 years of index procedure
Quality of Life Assessed by EQ-5D-5L- Baseline to 30 Days
Time Frame: From baseline to within 30 days of index procedure
Quality of life assessed by EQ-5D-5L as a change from baseline. Summary score; ranges from 0-100; 100 represents the best health you can imagine; 0 represents the worst.
From baseline to within 30 days of index procedure
Quality of Life Assessed by EQ-5D-5L- Baseline to 1 Year
Time Frame: From baseline to within 1 year of index procedure
Quality of life assessed by EQ-5D-5L as a change from baseline. Summary score; ranges from 0-100; 100 represents the best health you can imagine; 0 represents the worst.
From baseline to within 1 year of index procedure
Quality of Life Assessed by EQ-5D-5L- Baseline to 2 Year
Time Frame: From baseline to within 2 years of index procedure
Quality of life assessed by EQ-5D-5L as a change from baseline. Summary score; ranges from 0-100; 100 represents the best health you can imagine; 0 represents the worst.
From baseline to within 2 years of index procedure
Quality of Life Assessed by EQ-5D-5L- Baseline to 3 Year
Time Frame: From baseline to within 3 years of index procedure
Quality of life assessed by EQ-5D-5L as a change from baseline. Summary score; ranges from 0-100; 100 represents the best health you can imagine; 0 represents the worst.
From baseline to within 3 years of index procedure
Quality of Life Assessed by Generalized Anxiety Disorder Questionnaire (GAD-7)- Baseline to 30 Day
Time Frame: From baseline to within 30 days of index procedure
Quality of life assessed by Generalized Anxiety Disorder Questionnaire (GAD-7) as a change from baseline. Total score calculated by summing points (0-3) for each of the seven questions, yielding a total score from 0-21 (at each time period). Minimal Anxiety (0-4); Mild Anxiety (5-9 ); Moderate Anxiety (10-14 ); Severe Anxiety (≥15).
From baseline to within 30 days of index procedure
Quality of Life Assessed by Generalized Anxiety Disorder Questionnaire (GAD-7)- Baseline to 1 Year
Time Frame: From baseline to within 1 year of index procedure
Quality of life assessed by Generalized Anxiety Disorder Questionnaire (GAD-7) as a change from baseline. Total score calculated by summing points (0-3) for each of the seven questions, yielding a total score from 0-21 (at each time period). Minimal Anxiety (0-4); Mild Anxiety (5-9 ); Moderate Anxiety (10-14 ); Severe Anxiety (≥15).
From baseline to within 1 year of index procedure
Quality of Life Assessed by Generalized Anxiety Disorder Questionnaire (GAD-7)- Baseline to 2 Year
Time Frame: From baseline to within 2 years of index procedure
Quality of life assessed by Generalized Anxiety Disorder Questionnaire (GAD-7) as a change from baseline. Total score calculated by summing points (0-3) for each of the seven questions, yielding a total score from 0-21 (at each time period). Minimal Anxiety (0-4); Mild Anxiety (5-9 ); Moderate Anxiety (10-14 ); Severe Anxiety (≥15).
From baseline to within 2 years of index procedure
Quality of Life Assessed by Generalized Anxiety Disorder Questionnaire (GAD-7)- Baseline to 3 Year
Time Frame: From baseline to within 3 years of index procedure
Quality of life assessed by Generalized Anxiety Disorder Questionnaire (GAD-7) as a change from baseline. Total score calculated by summing points (0-3) for each of the seven questions, yielding a total score from 0-21 (at each time period). Minimal Anxiety (0-4); Mild Anxiety (5-9 ); Moderate Anxiety (10-14 ); Severe Anxiety (≥15).
From baseline to within 3 years of index procedure

Collaborators and Investigators

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

May 3, 2023

Primary Completion (Actual)

December 11, 2024

Study Completion (Estimated)

April 1, 2028

Study Registration Dates

First Submitted

February 21, 2023

First Submitted That Met QC Criteria

March 2, 2023

First Posted (Actual)

March 6, 2023

Study Record Updates

Last Update Posted (Actual)

May 22, 2026

Last Update Submitted That Met QC Criteria

May 5, 2026

Last Verified

March 1, 2026

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

Yes

product manufactured in and exported from the U.S.

Yes

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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