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ShockFast Intravaskulær Lithotripsienhed til Behandling af Forkalkede Koronar Læsioner (IVL)

28. september 2026 opdateret af: Shunmei Medical

ShockFast Intravaskulær Litotripsi-enhed til behandling af forkalkede koronare læsioner, et prospektivt, randomiseret, internationalt forsøg: ShockFast IVL-forsøget

Coronary artery disease is caused by narrowing of the artery lumen. Treatment with Percutaneous Coronary Intervention (PCI) may be needed. This is a minimally invasive procedure used to treat narrowed or blocked coronary arteries. Sometimes a stent is placed to keep the artery open. If the lesions in the coronary artery are calcified, this may cause difficulties for successful stent placement. The calcified plaques can be fractured via intravascular lithotripsy (IVL) with devices like ShockWave IVL and ShockFast IVL. The aim of this study is to compare the this relatively new ShockFast IVl with the more widely used ShockWave IVL.

Studieoversigt

Status

Rekruttering

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

Coronary calcified lesions have evolved as one of the most challenging indications for coronary percutaneous interventions (PCI). Different dedicated devices have been recently introduced into the market to improve procedural success in this challenging PCI population. Shockwave Intravascular Lithotripsy, (Shockwave IVL), Shockwave Medical, SC, CA, USA, was the first intracoronary device that used sonic pressure to fracture intracoronary calcium. The device safety and efficacy has been proved in a series of clinical trials. ShockFast intravascular lithotripsy (ShockFast IVL), Shunmei medical, Shenzhen, China, is a new dedicated device to treat intracoronary calcium that makes use of sonic pressure waves to fracture calcified plaques. ShockFast IVL has recently obtained CE mark approval for this indication.

The aim of this study is to compare this new lithotripsy device (ShockFast IVL) with the existing and widely used lithotripsy device that uses the same principle of action, the Shockwave IVL, Shockwave Medical, SC, CA, USA.

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

120

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

  • Navn: Jasper Yang
  • Telefonnummer: 008615363476127
  • E-mail: cm@shunmed.com

Studiesteder

      • Lyon, Frankrig
        • Rekruttering
        • Infirmerie Protestante de Lyon
        • Ledende efterforsker:
          • Dr. Faurie
      • Paris, Frankrig
        • Rekruttering
        • Centre Cardiologique du Nord
        • Ledende efterforsker:
          • Dr. Digne
      • Valenciennes, Frankrig
        • Trukket tilbage
        • Centre Hospitalier de Valenciennes
      • Katowice, Polen
        • Ikke rekrutterer endnu
        • Medical University of Silesia
        • Ledende efterforsker:
          • Prof. Wojakowski
      • Krakow, Polen
        • Ikke rekrutterer endnu
        • University Hospital Krakow
        • Ledende efterforsker:
          • Prof. Bartus
      • Lubin, Polen
        • Rekruttering
        • Miedziowe Centrum Zdrowia
        • Ledende efterforsker:
          • Dr. Wlodarczak
      • Wroclaw, Polen
        • Rekruttering
        • Regional Specialist Hospital
        • Ledende efterforsker:
          • Prof. Roleder
      • Madrid, Spanien
        • Rekruttering
        • La Paz University Hospital
        • Ledende efterforsker:
          • Dr. Moreno
      • Madrid, Spanien
        • Rekruttering
        • La Princesa Univeristy Hospital
        • Ledende efterforsker:
          • Dr. Alfonso
      • Murcia, Spanien
        • Rekruttering
        • Virgen Arrixaca University Clinical Hospital
        • Ledende efterforsker:
          • Dr. Pinar
      • Seville, Spanien
        • Rekruttering
        • Virgen del Rocío University Hospital
        • Ledende efterforsker:
          • Dr. Diaz
      • Bad Segeberg, Tyskland
        • Rekruttering
        • Segeberger Kliniken GMBH / Herz- und Gefäßzentrum
        • Kontakt:
          • Holger Prof. Nef
        • Ledende efterforsker:
          • Prof. Nef
      • Lahr, Tyskland
        • Ikke rekrutterer endnu
        • MediClin Heart Center Lahr
        • Kontakt:
          • Kambis Prof. Mashayekhi
        • Ledende efterforsker:
          • Prof. Mashayekhi

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  1. Patients aged ≥18 years undergoing PCI for stable or unstable angina or staged procedure after successful treatment of a myocardial infarction where heart enzymes are decreasing

    Angiographic criteria:

  2. Native de novo coronary lesions

  3. Vessel diameter between 2.5mm - 4.0mm

  4. Lesion Length: ≤40mm

  5. Severe Calcification:

    1. Calcification visible on the upper and the lower sides of the vessel wall in at least two angiographic projections that differ ≥ 60° from each other
    2. Presence of severe calcified protruding noduli
  6. No flow disturbances at baseline (Thrombolysis in Myocardial Infarction [TIMI] 3 flow at baseline)

  7. Target lesion with diameter stenosis ≥70% by visual, or ≥50% with evidence of clinical ischemia

    OCT Criteria:

  8. Total calcium arc > 180° or

  9. Presence of a protruding calcified noduli

Exclusion Criteria:

  1. Ejection fraction less than 25%
  2. Lesion located in Left Main (LM) coronary artery
  3. Calcifications located mostly > 0.5 mm from the vessel lumen.
  4. Severe renal Impairment; Serum Creatinine > 220 μmol or currently undergoing hemodialysis
  5. Severe lesion tortuosity where OCT is judged impossible to cross.
  6. Inability to tolerate dual antiplatelet therapy for 6 months or longer
  7. Inability to obtain inform consent or deemed poorly compliant by the investigator
  8. Presence of permanent pacemaker
  9. Angiographic evidence of thrombus in the target vessel
  10. Target lesion located at or involving within 5mm of the coronary ostium of the Left Anterior Descending artery (LAD), Left Circumflex artery (LCX)
  11. Target lesion is a chronic total occlusion (CTO)
  12. Presence of aneurysm within 10mm proximal or distal to the target lesion

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Enkelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Shockfast IVL

Interventional procedure using a dedicated device to treat coronary calcified lesions by offering precise control of sonic pressure waves for safe fracture calcium deposits within the artery walls, thus maintaining vessel flexibility and promoting smoother stent placement. The ShockFast device has an improved crossing profile and 2 lengths of the catheter: 12 and also 15mm compared to ShockWave which has only 1 length.

Treatment of subjects with coronary calcified lesions with an interventional procedure using a dedicated device to treat coronary calcified lesions by offering precise control of sonic pressure waves for safe fracture calcium deposits within the artery walls, thus maintaining vessel flexibility and promoting smoother stent placement. The ShockFast device has an improved crossing profile and 2 lengths of the catheter: 12 and also 15mm compared to ShockWave which has only 1 length.

Aktiv komparator: Shockwave IVL

Interventional procedure that utilizes a fluid-filled catheter connected to an energy source that generates mechanistically tuned ultrasonic acoustic pressure waves - or Shockwaves - for modification, fracture, and fragmentation of vascular calcification.

Treatment of subjects with coronary calcified lesions with an interventional procedure that utilizes a fluid-filled catheter connected to an energy source that generates mechanistically tuned ultrasonic acoustic pressure waves - or Shockwaves - for modification, fracture, and fragmentation of vascular calcification.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Tidsramme
Stentområde efter PCI målt ved det minimale lumenområde under den indledende procedure, evalueret ved OCT
Tidsramme: Indlæggelse (under proceduren)
Indlæggelse (under proceduren)

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Target lesion failure defineret som hjertedød, target-vessel myokardieinfarkt og target-lesion revaskularisering ved udskrivning og efter 30 dage
Tidsramme: 30-dages opfølgning
30-dages opfølgning
Angiographic success
Tidsramme: Hospitalisation (during procedure)
  • Defined as a successful stent delivery with diameter of stenosis post PCI of <50% without severe dissection (type D-F), perforation, abrupt vessel closure or persistent less than Thrombolysis in Myocardial Infarction (TIMI)-3 flow.

  • By collecting data through angiography and imaging:

    • Minimal lumen area post stenting
    • Residual area of stenosis
    • Residual diameter of stenosis <30%
    • Residual diameter of stenosis <50%
    • Optical Coherence Tomography (OCT) measured under expansion (<80% of the reference lumen area)
    • Post-IVL acute area gain (measured at the minimum lumen area post IVL)
    • Number of visible calcium cracks post IVL
    • Severe coronary dissection post IVL (type C-F)
Hospitalisation (during procedure)
Device success
Tidsramme: Hospitalisation (during procedure)

Defined as success of the device to cross and fully expand

Hospitalisation (during procedure)

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

16. februar 2026

Primær færdiggørelse (Anslået)

1. november 2026

Studieafslutning (Anslået)

1. marts 2027

Datoer for studieregistrering

Først indsendt

29. januar 2026

Først indsendt, der opfyldte QC-kriterier

5. februar 2026

Først opslået (Faktiske)

12. februar 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

29. september 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

28. september 2026

Sidst verificeret

1. september 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • 3W RCG 1

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

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