NCT04442100

Brief Summary

The study of new biological heart valves with the "easy change" system, including an assessment of the basic hemodynamic characteristics of the prosthesis, complications associated with valve implantation, and general mortality

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
500

participants targeted

Target at P75+ for not_applicable

Timeline
5mo left

Started Nov 2016

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress96%
Nov 2016Dec 2026

Study Start

First participant enrolled

November 29, 2016

Completed
3.6 years until next milestone

First Submitted

Initial submission to the registry

June 18, 2020

Completed
4 days until next milestone

First Posted

Study publicly available on registry

June 22, 2020

Completed
6.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2026

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2026

Last Updated

June 26, 2026

Status Verified

June 1, 2026

Enrollment Period

10.1 years

First QC Date

June 18, 2020

Last Update Submit

June 25, 2026

Conditions

Outcome Measures

Primary Outcomes (2)

  • death

    death from any cause

    10 years after surgery

  • prosthetic complications

    thromboembolism, infectious endocarditis, hemorrhage, structural valve degeneration

    10 years after surgery

Study Arms (1)

bioprosthesis

EXPERIMENTAL

prosthetics of heart valves with dentures "MedEng-Bio"

Procedure: valve prosthetics

Interventions

prosthetics of heart valves with dentures "MedEng-Bio"

bioprosthesis

Eligibility Criteria

Age60 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • aortic valve disease requiring surgical disease patients without symptoms with severe aortic stenosis - indexed area of the opening less than 0.5 cm2 / m2, average gradient more than 40 mm RT. Art;
  • o patients who require coronary artery bypass grafting with moderate aortic stenosis - indexed area of the hole 0.5 - 1 cm2 / m2, the average gradient is more than 20 mm RT. Art., Regardless of symptoms;patients with symptoms of aortic stenosis, regardless of the severity of stenosis)
  • mitral valve disease requiring surgical disease

You may not qualify if:

  • the need for prosthetics of two or more valves
  • patients with a decrease in LVEF of less than 45%;
  • the presence of a competing disease or concomitant pathology that significantly affects the prognosis of quality of life or the likelihood of death
  • high pulmonary hypertension (SDJ above 60 mm Hg. Art.);
  • the diameter of the ascending aorta is more than 45 mm;
  • unwillingness of the patient to participate in the study.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Tomsk National Research Medical Center of the Russian Academy of Sciences

Tomsk, Tomsk Oblast, 634012, Russia

RECRUITING

MeSH Terms

Conditions

Heart Valve Diseases

Condition Hierarchy (Ancestors)

Heart DiseasesCardiovascular Diseases

Study Officials

  • Boris N. Kozlov, MD

    Tomsk National Research Medical Center of the Russian Academy of Sciences

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Elena B. Kim

CONTACT

Konstantin A. Petlin, PhD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

June 18, 2020

First Posted

June 22, 2020

Study Start

November 29, 2016

Primary Completion (Estimated)

December 31, 2026

Study Completion (Estimated)

December 31, 2026

Last Updated

June 26, 2026

Record last verified: 2026-06

Data Sharing

IPD Sharing
Will share

Deidentified individual participant data (text, tables, figures, and appendices), underlying the results of the trial, will be shared with researchers to achieve the aims in the approved proposal.

Shared Documents
STUDY PROTOCOL, SAP, ICF
Time Frame
Proposals may be submitted up to 36 months following publication of the results of the trial. After 36 months, the data will be available in the Center's data ware house but without investigator support other than deposited metadata.
Access Criteria
Information regarding submitting proposals and accessing data may be requested from the principal investigator by e-mail.

Locations