NCT05977842

Brief Summary

The CTO-DENOVO study is a multicenter registry of consecutive patients with de novo coronary chronic total occlusions (CTO) undergoing successful CTO recanalization with the use of drug-coated balloon (DCB)-only strategy. The primary endpoint is target lesion failure at 6 months. The secondary endpoints are: 1) late lumen loss on follow-up angiography, and 2) minimal lumen area on follow-up intravascular ultrasound.

Trial Health

98
On Track

Trial Health Score

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

Enrollment
309

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Dec 2012

Longer than P75 for all trials

Geographic Reach
12 countries

35 active sites

Status
completed

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 Start

First participant enrolled

December 15, 2012

Completed
10.6 years until next milestone

First Submitted

Initial submission to the registry

July 28, 2023

Completed
10 days until next milestone

First Posted

Study publicly available on registry

August 7, 2023

Completed
1.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 15, 2024

Completed
17 days until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2025

Completed
Last Updated

January 2, 2026

Status Verified

October 1, 2025

Enrollment Period

12 years

First QC Date

July 28, 2023

Last Update Submit

December 29, 2025

Conditions

Keywords

chronic total occlusionpercutaneous coronary interventiondrug-coated balloon

Outcome Measures

Primary Outcomes (1)

  • Target lesion failure

    Composite of cardiac death, target vessel-related myocardial infarction, or clinically-driven target lesion revascularization

    6 months

Secondary Outcomes (2)

  • Late lumen loss

    3 months

  • Minimal lumen area

    3 months

Interventions

Successful CTO recanalization treated with DCB at the occlusion site

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Consecutive patients with de novo CTO undergoing successful PCI with the use of DCB-only strategy.

You may qualify if:

  • de novo coronary CTO undergoing successful recanalization with the use of DCB-only strategy at the occlusion site

You may not qualify if:

  • de novo coronary CTO undergoing successful recanalization with the use of DES at the occlusion site
  • in-stent CTO

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (35)

Graz University Heart Center

Graz, Austria

Location

Klinik Ottakring

Vienna, Austria

Location

Jolimont Hospital

Uccle, Belgium

Location

Županijska bolnica Čakovec

Čakovec, Croatia

Location

University Hospital Brno

Brno, Czechia

Location

Liberec Regional Hospital

Liberec, Czechia

Location

Kardiologické Centrum AGEL

Pardubice, Czechia

Location

Lille University Hospital

Lille, France

Location

Hospital zum Heiligen Geist

Kempen, Germany

Location

University of Debrecen

Debrecen, Hungary

Location

University of Szeged

Szeged, Hungary

Location

Shamir Assaf Harofeh MC

Be’er Ya‘aqov, Israel

Location

Humanitas University

Milan, Italy

Location

Villa Sofia Hospital

Palermo, Italy

Location

Santissima Annunziata Hospital

Savigliano, Italy

Location

Medical University of Bialystok

Bialystok, Poland

Location

American Heart of Poland

Bielsko-Biala, Poland

Location

John Paul II Western Hospital

Grodzisk Mazowiecki, Poland

Location

Jagiellonian University Medical College

Krakow, Poland

Location

John Paul II Hospital

Krakow, Poland

Location

MSWiA Hospital

Lodz, Poland

Location

1st Military Hospital

Lublin, Poland

Location

MSWiA Hospital

Lublin, Poland

Location

Poznan University of Medical Sciences

Poznan, Poland

Location

SP ZOZ Hospital

Puławy, Poland

Location

MSWiA Hospital

Rzeszów, Poland

Location

Bielanski Hospital

Warsaw, Poland

Location

Military Institute of Medicine

Warsaw, Poland

Location

National Institute of Cardiology

Warsaw, Poland

Location

Dr Alfred Sokolowski Specialist Hospital

Wałbrzych, Poland

Location

Wroclaw Medical University

Wroclaw, Poland

Location

Silesian Center for Heart Disease

Zabrze, Poland

Location

Heart Institute

Cluj-Napoca, Romania

Location

Emergency Clinical County Hospital

Oradea, Romania

Location

Hospital Clínico Universitario de Valladolid

Valladolid, Spain

Location

MeSH Terms

Conditions

Coronary Artery Disease

Condition Hierarchy (Ancestors)

Coronary DiseaseMyocardial IschemiaHeart DiseasesCardiovascular DiseasesArteriosclerosisArterial Occlusive DiseasesVascular Diseases

Study Officials

  • Maksymilian Opolski, MD

    National Institute of Cardiology

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
RETROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 28, 2023

First Posted

August 7, 2023

Study Start

December 15, 2012

Primary Completion

December 15, 2024

Study Completion

January 1, 2025

Last Updated

January 2, 2026

Record last verified: 2025-10

Locations