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Early Feasibility Study of 3930M Defibrillation Lead Implantation Via the Middle Cardiac Vein in Patients With Tricuspid Valve Regurgitation (MCV3930 EFS)

3. september 2026 opdateret af: Minneapolis Heart Institute Foundation

Early Feasibility Study of Medtronic OmniaSecure Model 3930M Defibrillation Lead Implantation Via the Middle Cardiac Vein in Patients With Tricuspid Valve Regurgitation: MCV3930 EFS

Prospective, single center, early feasibility study designed to evaluate the initial safety and device performance of the Medtronic 3930M Lead when implanted via the Middle Cardiac Vein in patients with Tricuspid Valve Regurgitation

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

5

Fase

  • Ikke anvendelig

Kontakter og lokationer

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

Studiekontakt

Undersøgelse Kontakt Backup

Studiesteder

    • Minnesota
      • Minneapolis, Minnesota, Forenede Stater, 55407
        • Minneapolis Heart Institute Foundation
        • Kontakt:
        • Kontakt:
        • Ledende efterforsker:
          • John S Zakaib, MD

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

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria:

  1. Subject meets current clinical practice guidelines for implantation of ICD or CRT-D and will undergo one of the following:

    • Medtronic CRT-D system implant
    • Medtronic ICD system implant (single or dual chamber)
  2. Anatomical suitability for middle cardiac vein lead placement based on pre procedural imaging.
  3. Subject meets both of the following:

    • At least Moderate Tricuspid Valve Regurgitation documented by cardiac imaging
    • A clinical goal to avoid worsening tricuspid valve regurgitation as determined by the treating physician and/or the patient
  4. Age 18 years or older.
  5. Subject is willing to undergo implant defibrillation testing
  6. Signed Patient Informed Consent Form (ICF).

Exclusion Criteria:

  1. Life expectancy < 6 months due to non-cardiac comorbidities or advanced frailty where the procedure is not aligned with goals of care
  2. Contraindication to transvenous lead implantation, including:

    • Severe or occlusive disease of the axillary/subclavian venous system
    • Coronary sinus or middle cardiac vein occlusion, severe stenosis, or anatomy prohibiting safe lead delivery
    • Known hypercoagulable state or bleeding disorder is not manageable with standard therapy.
  3. Subject is contraindicated for ≤1 mg dexamethasone acetate
  4. Patients with a medical condition that precludes them from undergoing defibrillation testing:

    • Pre-existing or suspected pneumothorax
    • Severe aortic stenosis
    • Current Intracardiac LA or LV thrombus
    • Severe proximal three-vessel or left main coronary artery disease without revascularization
    • Hemodynamic instability
    • Unstable angina
    • Recent stroke or transient ischemic attack (within the last 6 months)
    • Known inadequate external defibrillation
    • LVEDD >70 mm
    • Any other known medical condition not listed that precludes their participation in the opinion of the Investigator.
  5. Patient with evidence of active infection or undergoing treatment for an infection.
  6. Inability to provide informed consent, including:

    • Cognitive impairment without a legally authorized representative
    • Language or communication barriers that prevent adequate understanding of the study
  7. Unable to follow through study protocol for any reasons (social support, distance from research center, insurance denial, mental illness etc.) in the investigator's judgement
  8. Pregnant women or breastfeeding women, or women of childbearing potential and who are not on a reliable form of birth regulation method or abstinence
  9. End-Stage Renal Disease (ESRD) on dialysis
  10. NYHA IV
  11. Patient participation in another study that precludes concomitant study participation

Studieplan

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

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Enhedens gennemførlighed
  • Tildeling: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Interventional
Patients will undergo implant of the Medtronic 3930M Defibrillation lead via the Middle Cardiac Vein and undergo required electrical testing
Required electrical testing for pacing, sensing, impedance, and defibrillation will be completed

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Acute Procedural Success
Tidsramme: Index Procedure

Acute Procedural Success, defined as successful implantation of the investigational lead with all the following:

  1. Successful lead delivery and deployment at the intended MCV location within 4 deployment attempts
  2. Stable lead position at completion of the procedure
  3. Acceptable electrical performance:

    • Capture threshold: ≤ 2.0 V at 0.4 ms
    • Sensing amplitude: ≥ 4.0 mV
    • Impedance: 200-1500 Ω
  4. No device- or procedure-related Major Adverse Cardiovascular Events (MACE) through hospital discharge
  5. Absence of T-wave Oversensing (TWOS)
  6. Absence of P-wave Oversensing (PWOS)
  7. Absence of Myopotential Oversensing
  8. Successful Defibrillation Test (DFT) with 10J safety margin
  9. Absence of any serious adverse events related to the MCV implantation site.
Index Procedure

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Lead Electrical Performance and Stability through 90 Days
Tidsramme: Up to 90 days following implant

Evaluation of MCV lead electrical performance and stability through 90 days following implantation, including:

  • Stability of electrical performance (e.g., pacing threshold, sensing, impedance)
  • Lead stability (e.g., no dislodgement or migration)
  • Need for lead revision or system modification
Up to 90 days following implant
Incidence of Device- or Procedure-Related Complications
Tidsramme: Up to 90 days following implant

Number of participants experiencing device- or procedure-related complications through 90 days following implantation:

1. Incidence of device- or procedure-related major adverse events including, but not limited to:

  • Death (all-cause or procedure-related)
  • Cardiac perforation, pericardial effusion, or cardiac tamponade
  • Clinically significant arrhythmia requiring intervention
  • Device-related infection requiring intervention
  • Lead dislodgement requiring intervention
  • Coronary sinus or venous injury
  • Clinically significant phrenic nerve stimulation
  • System revision or extraction
Up to 90 days following implant
Freedom from Device-or Procedure-Related Serious Adverse Events
Tidsramme: Up to 90 days following implant
Proportion of participants free from device-or procedure-related serious adverse events through 90 days following implantation.
Up to 90 days following implant

Andre resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Tricuspid Valve Parameters
Tidsramme: 6 Month Post Implant
Tricuspid Valve Parameters: Tricuspid Valve function, including Tricuspid Valve Regurgitation post implant will be assessed at 6 months post implant or per TTVI protocol
6 Month Post Implant

Samarbejdspartnere og efterforskere

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

Sponsor

Samarbejdspartnere

Efterforskere

  • Ledende efterforsker: John S Zakaib, MD, Minneapolis Heart Institute Foundation

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 (Anslået)

1. november 2026

Primær færdiggørelse (Anslået)

1. januar 2028

Studieafslutning (Anslået)

1. januar 2028

Datoer for studieregistrering

Først indsendt

27. august 2026

Først indsendt, der opfyldte QC-kriterier

3. september 2026

Først opslået (Faktiske)

10. september 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

10. september 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

3. september 2026

Sidst verificeret

1. september 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • MCV 3930

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ja

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