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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04772807
Other study ID # P2020/502
Secondary ID Sponsor study re
Status Completed
Phase
First received
Last updated
Start date February 5, 2021
Est. completion date January 31, 2024

Study information

Verified date February 2023
Source Erasme University Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Kinocardiographic measures mechanical and electrical function of the heart. The proposed solution is based on measurements of body vibrations. By measuring these movements on the surface of the body, it is possible to deduce, taking into account the individual's weight and size, the quality of the heartbeat that caused this vibration. The technique developed consists of a device measuring these vibrations at two places in the body: on the torso (Seismocardiography) and on the lower back (Ballistocardiography). The first measurement is a reflection of the local strength of the heartbeat as well as the transmission of blood to the body's main artery, the aorta. The second measurement, in the lower back, is the result of the contraction and movement of blood within the arterial system. Based on these two measurements, the energy produced by the heart and transmitted to the torso or the whole body is calculated. The energy over an entire cardiac cycle and the distribution of that energy within a heartbeat are used to characterize the mechanical function of the heart. Clinical studies carried out previously have demonstrated the repeatability of kinocardiographic measurements (KCG) and their robustness with respect to the use of different sensors. KCG measurements also showed a high sensitivity (> 94%) to different hemodynamic states induced by the injection of active inotropic agents, i.e. dobutamine also used as a treatment for heart failure in an advanced stage. In a randomized, double-blind, cross-over study controlled by Placebo, these measurements showed a strong correlation (r = 0.8, p <0.0001) with cardiac output measured by echocardiography. The technique has also demonstrated its ability to track changes in cardiac mechanical function during expiratory voluntary apnea. KCG measurements were also evaluated during a micro-gravity simulation in Bedrest on 23 healthy volunteers. The measurements tracked cardiac deconditioning in the control group compared to the exercise group similarly to cardiac MRI measurements. Subsequently, KCG metrics showed an ability to distinguish reduced ejection fraction (HFrEF) heart failure patients from non-insufficient patients. These latest results also showed that the chest sensor alone was sufficient to separate HFrEF patients from normative patients, laying the foundation for possible use of the smartphone alone. The prototype of a mobile application, named OKCARDIO, makes it possible to take measurements perfectly similar to the Kino thoracic sensor, but to date have never been used it in a clinical study. Such a tool would allow anyone with a smartphone-type mobile phone to measure their cardiac mechanical function themselves and make it available to the attending physician.


Recruitment information / eligibility

Status Completed
Enrollment 220
Est. completion date January 31, 2024
Est. primary completion date November 30, 2023
Accepts healthy volunteers
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Adults aged above 18 years old. - BMI (Body Mass Index) is below 50 kg/m2. - Fit in one of the groups Exclusion Criteria: - Patients younger than 18 years old. - BMI (Body Mass Index) higher than 50 kg/m2.

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Kinocardiograph
Measure with the Kinocardiograph device and the Okcardio application installed on a smartphone

Locations

Country Name City State
Belgium Erasme Hospital Brussels

Sponsors (1)

Lead Sponsor Collaborator
Erasme University Hospital

Country where clinical trial is conducted

Belgium, 

References & Publications (4)

Hossein A, Mirica DC, Rabineau J, Rio JID, Morra S, Gorlier D, Nonclercq A, van de Borne P, Migeotte PF. Accurate Detection of Dobutamine-induced Haemodynamic Changes by Kino-Cardiography: A Randomised Double-Blind Placebo-Controlled Validation Study. Sci Rep. 2019 Jul 19;9(1):10479. doi: 10.1038/s41598-019-46823-3. Erratum In: Sci Rep. 2020 Mar 20;10(1):5459. — View Citation

Hossein A, Rabineau J, Gorlier D, Del Rio JIJ, van de Borne P, Migeotte PF, Nonclercq A. Kinocardiography Derived from Ballistocardiography and Seismocardiography Shows High Repeatability in Healthy Subjects. Sensors (Basel). 2021 Jan 26;21(3):815. doi: 10.3390/s21030815. — View Citation

Morra S, Hossein A, Rabineau J, Gorlier D, Racape J, Migeotte PF, van de Borne P. Assessment of left ventricular twist by 3D ballistocardiography and seismocardiography compared with 2D STI echocardiography in a context of enhanced inotropism in healthy subjects. Sci Rep. 2021 Jan 12;11(1):683. doi: 10.1038/s41598-020-79933-4. — View Citation

Rabineau J, Hossein A, Landreani F, Haut B, Mulder E, Luchitskaya E, Tank J, Caiani EG, van de Borne P, Migeotte PF. Cardiovascular adaptation to simulated microgravity and countermeasure efficacy assessed by ballistocardiography and seismocardiography. Sci Rep. 2020 Oct 19;10(1):17694. doi: 10.1038/s41598-020-74150-5. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Feasibility of KCG measurement performed by the patients themselves Feasibility is assessed by a repeatability score, namely the intraclass correlation coefficients ranging from 0, a non repeatable measure to 1 a perfectly repeatable measure .The score is computed between measure done at the hospital by a professional and the one done by the patient at the hospital and at home. 12 weeks
Primary Validation of KCG parameters by comparisons from different modalities: Kinocardiograph device and OKCARDIO smartphone application. Through study completion, an average of 1 year
Primary Repeatability of OKCARDIO smartphone application recorded by an experimented operator and by the patient Through study completion, an average of 1 year
Secondary Compliance percentage of patients measuring KCG at home with the OKCARDIO smartphone application or the Kinocardiograph device. 12 weeks
Secondary Mean and interquartile ranges of KCG derived HRV over the observation period. Mean and interquartile ranges of KCG derived HRV over the observation period in patients with active clinical syndromes that may be concomitant in the field of cardiac disorders (hypertension, atrial fibrillation, ischemia, valvulopathy, heart-failure,…) and pulmonary (asthma, infection,..). These clinical diagnoses are supported by the physical examination and the patient's medical record at inclusion. Through study completion, an average of 1 year
Secondary Mean and interquartile ranges of KCG derived HR over the observation period. Mean and interquartile ranges of KCG derived HR over the observation period in patients with active clinical syndromes that may be concomitant in the field of cardiac disorders (hypertension, atrial fibrillation, ischemia, valvulopathy, heart-failure,…) and pulmonary (asthma, infection,..). These clinical diagnoses are supported by the physical examination and the patient's medical record at inclusion. Through study completion, an average of 1 year
Secondary Adverse events related to the use of the Kinocardiograph devices and/or OKCARDIO smartphone. Count of adverse events. Through study completion, an average of 1 year
Secondary Mean and interquartile ranges of KCG parameters (Kinetic Energy, namely iK) over the observation period. Through study completion, an average of 1 year
Secondary Build a predictive score on a selection of several kinocardiography parameters based on machine learning algorithms with the aim to sort patients according to their pathological status. 12 weeks
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