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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT06103539
Other study ID # PaCRTool-Study 012023
Secondary ID
Status Not yet recruiting
Phase
First received
Last updated
Start date December 1, 2023
Est. completion date December 30, 2024

Study information

Verified date October 2023
Source Pacertool AS
Contact Hans Henrik Odland, MD, PhD
Phone +4790509944
Email hho@pacertool.com
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The study is a non-randomized, two-part, open label, prospective single-site, single arm, safety and performance study. The study is designed to collect acute and long-term clinical data and user reported outcome data from using the PreSens-Catheter and PACER Software during cardiac catheterization and Cardiac Resynchronization Therapy (CRT) device implantation procedures. Subjects with indication for arterial catheterization and CRT will be included.


Description:

The study consists of two parts: 1. Initial safety assessment: at least 5 patients undergoing coronary angiography or left heart catheterization and 5 patients undergoing cardiac resynchronization therapy device implantation to demonstrate acute safety and performance of the PreSens-Catheter and the PACER Software for Td measurements. 2. Safety and performance assessment: At least 35 patients with an indication for CRT implantation according to standard of care to demonstrate acute safety and performance of using the PreSens-Catheter and the PACER Software to measure Td and detect Synergy and Dyssynergy from multisite stimulation, and its utility to deliver measurements for the discrimination of two clinical cardiac reverse volumetric remodeling phenotypes based on Synergy and Dyssynergy in the targeted population. Subjects will be followed for the duration of the procedure up to 24 hours for any serious adverse events, and subjects receiving a CRT device will be followed for 30 days follow-up for procedure or device-related events and for up to 6 months for cardiac volumetric remodeling phenotyping. Clinical outcomes: Clinical outcome will be measured as Safety for the placement of the PreSens-Catheter, safety for the PreSens-Catheter and PACER Software combined for the measurement of Td and detection of Synergy/ Dyssynergy from stimulation, and diagnostic/ predictive performance of the PreSens-Catheter and PACER Software with the measurement of end-systolic volume at 6-months follow-up.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 50
Est. completion date December 30, 2024
Est. primary completion date September 1, 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years to 80 Years
Eligibility Inclusion Criteria: Part I: - Subject has an indication for coronary angiography or left heart catheterization or cardiac resynchronization therapy. - QRS duration between 90-150ms. - Subject is = 18 years old. - Willingness, ability, and commitment to participate in baseline and follow-up evaluations for the full duration of the clinical study. - Willing and able to give informed consent. Part II: - Subject in sinus rhythm with an indication for implantation of a Cardiac Resynchronization Device (Appendix I) - NYHA Class II-IV (Ambulatory IV) - EF<35% - QRS duration >120ms. - Subject is = 18 years old. - Willingness, ability, and commitment to participate in baseline and follow-up evaluations for the full duration of the clinical study. - Willing and able to give informed consent. Exclusion Criteria:ยจ - Subject has unstable angina/ acute coronary ischemia/ infarction - Previous myocardial infraction (<6 months) - History of blood clothing or bleeding disease - Prior history of documented cerebral infarction, TIA or systemic embolism (excluding a postoperative DVT) - Subject has an arterial unstable aneurysm - Subject has severe peripheral vascular disease - Subject has an artificial aortic or mitral valve replacement - Subject has severe aortic valve disease - Subject has a clinically significant infection (bacteriemia or sepsis) - Subject has contraindications to anticoagulation - Patients with a serious allergy to drugs necessary for the procedure such as anticoagulants and protamine - Subject has left atrial/ ventricular thrombus - Patients with severe vascular obstructions in the desired/ presumed insertion path of the catheter - Significant or symptomatic hypotension - NYHA class IV (hospitalized), severe circulation instability or shock - Ongoing/ persistent atrial arrythmias - History of Rheumatic fever - Subject has sensitivity to contrast media - Contraindications to CT or fluoroscopy - Distorted cardiac anatomy due to congenital heart disease - Pregnant or possibly pregnant - Not eligible for thoracotomy procedures - Life expectancy <1 years - Any other condition that, in the judgement of the investigator, makes the subject a poor candidate for this procedure, the study or compliance with the protocol (includes addictive disease, extensive travel away from the research center) - Clinically significant psychological condition that in the investigator's opinion would prohibit the subject's ability to meet the protocol requirements - Current enrollment in any other study protocol where testing or results from that study may interfere with the procedure or outcome measurements of this study

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Cardiac catheterization and evoked response to cardiac stimulation
Cardiac catheterization with a combined elecrtophysiology and pressure sensing catheter to perform multisite stimulation and measure the evoked pressure response in a connected software.

Locations

Country Name City State
Georgia Tbilisi Heart and Vascular Clinic Tbilisi

Sponsors (1)

Lead Sponsor Collaborator
Pacertool AS

Country where clinical trial is conducted

Georgia, 

References & Publications (2)

Odland HH, Holm T, Cornelussen R, Kongsgard E. Determinants of the time-to-peak left ventricular dP/dt (Td) and QRS duration with different fusion strategies in cardiac resynchronization therapy. Front Cardiovasc Med. 2022 Sep 15;9:979581. doi: 10.3389/fcvm.2022.979581. eCollection 2022. — View Citation

Odland HH, Villegas-Martinez M, Ross S, Holm T, Cornelussen R, Remme EW, Kongsgard E. Shortening of time-to-peak left ventricular pressure rise (Td) in cardiac resynchronization therapy. ESC Heart Fail. 2021 Dec;8(6):5222-5236. doi: 10.1002/ehf2.13601. Epub 2021 Sep 12. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Other iv) Exploratory Performance Outcome Measures (PreSens-Catheter and PACER Software): (a) Percentage of subjects experiencing (from each position in the left heart): (i) Demonstration of prolongation of Td with pacing off a proximal electrode (ii) Demonstration of prolongation of Td with pacing off a distal electrode (iii) Demonstration of shortening of Td (Synergy) with pacing from electrodes from both electrode groups (distal and proximal) compared to the shortest Td with pacing from either distal or proximal electrode. (iv) Demonstration of shortening of Td (Synergy) with pacing from electrodes from both electrode groups (distal and proximal) compared to baseline Td in patients with QRS duration above 130ms and below or equal to 130ms. (v) Demonstration of prolongation of Td (Dyssynergy) with biventricular pacing (negative responder, true negative result) compared to baseline Td in patients with QRS duration above 130ms and =130ms. (vi) Demonstration of a short Td (=120ms) at baseline in patients with a QRS duration =130ms and long Td (>120ms) at baseline in patient 4 hours
Primary Primary Safety Outcome (PreSens-Catheter): The primary safety outcome is the incidence of procedure or device-related Serious Adverse Events (SAEs and SADEs) on the day of the procedure 24 hours
Primary Primary Safety Outcome Measures (PreSens-Catheter and PACER Software): The primary safety outcome of the PreSens-Catheter and PACER Software is the incidence of false positive readings of Synergy resulting from multisite stimulation from PreSens-Catheter in patients with narrow QRS and false negative readings (Dyssynergy) compared to the resulting reading from pacing with the CRT device. 4 hours
Primary Primary Performance Outcome Measures (PreSens-Catheter and PACER Software): Detection of Synergy and Dyssynergy to phenotype patients for the prediction of reverse volumetric remodeling response after 6 months of Cardiac Resynchronization Therapy. Outcome is based on the change in End-Systolic Volume (ESV) from baseline to 6 months follow-up in the respective phenotypes. The study is powered to detect a ?ESV of 30% points difference between the Synergy and Dyssynergy characterized patients after 6 months of Cardiac Resynchronization Therapy. 6 months
Secondary Safety Outcome Measures (PreSens-Catheter): Percentage of subjects experiencing a composite safety event. The composite safety outcome (CSO) defined as the incidence of events which are device- or procedure-related 30 days
Secondary Performance Outcome Measures (PreSens-Catheter) a) The proportion of subjects that achieve Acute Procedural Success (APS) defined as the correct insertion and placement of the PreSens-Catheter within the heart with confirmed readings/ recordings from the catheter and imaged with fluoroscopy in two planes, in at least one of the defined positions depending on available access sheets (on an intention-to-treat basis). b) The proportion of subjects that had the PreSens-Catheter placed in the left heart with the intention to place the catheter with the distal electrodes in three different positions (anterior, lateral, posterior); number of positions achieved in each patient. c) Product performance evaluated on a 5-point semi-quantitative scale ("strongly disagree" to "strongly agree") [Time Frame: During Procedure]. d) Acute product performance will be quantitatively and qualitatively evaluated during the procedure. 4 hours
Secondary Performance Outcome Measures (PreSens-Catheter and PACER Software): The proportion of subjects that achieve Acute Procedural Success (APS) defined as successful placement of the PreSens-Catheter in the heart and measurement of Td (time to peak exponential pressure rise (dP/dt)) with the PACER Software; with stimulation from the PreSens-Catheter and from the CRT (with the rate of agreement) with the PreSens-Catheter placed in at least two out of three defined positions. (CRT recipients only). 4 hours
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