Treatment of In-Stent Restenosis by Paclitaxel Coated PTCA Balloons (PACCOCATH - ISR I)

April 25, 2023 updated by: University Hospital, Saarland

Treatment of In-Stent Restenosis by Paclitaxel Coated PTCA Balloons

The PACCOCATH ISR study is a randomized, double-blinded German multicenter trial on the efficacy and tolerance of a paclitaxel coated balloon catheter in coronary in-stent restenosis.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

Background: Drug-eluting stents have shown promising anti-restenotic effects in clinical trials. It may be preferable, however, to avoid the stent-in-stent approach in treating in-stent restenosis (ISR). In prior animal trials, we demonstrated a highly significant reduction of neointimal formation by drug-eluting balloon catheters (DEB). The aim of the PACCOCATH ISR study is to investigate the novel DEB in the treatment of ISR.

Methods and results: The PACCOCATH ISR study is a randomized, double-blind German multicenter trial on the efficacy and tolerance of the DEB in coronary ISR. Patients are randomized to rePTCA of ISR either using the coated PTCA balloon (3 µg paclitaxel/mm² balloon surface) or a non-coated balloon of the same type (n=52 patients). Balloon inflation time is 60 seconds in both cases. Major inclusion criteria are an ISR in a coronary artery with a diameter stenosis of at least 70%, < 25 mm length, and a vessel diameter of 2.5 to 3.5 mm. The primary endpoint is late lumen loss after 6 months (independent angiographic core lab). Secondary endpoints are binary restenosis rate and major adverse cardiac events.

Study Type

Interventional

Enrollment (Actual)

52

Phase

  • Phase 2
  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Germany
      • Berlin, Germany, 10117
        • Kardiologie, Campus Mitte, Charite
      • Berlin, Germany, 13353
        • Kardiologie, Campus Virchow-Klinikum, Charite
      • Freiburg, Germany, 79106
        • Medizinische Universitätsklinik III, Abt. Kardiologie und Angiologie
      • Mannheim, Germany, 68167
        • I. Medizinische Klinik, Universitaetsklinikum
    • Saarland
      • Homburg / Saar, Saarland, Germany, 66421
        • Klinik fuer Innere Medizin III, Universitaetsklinikum des Saarlandes

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Age > 18 years
  • Clinical evidence of stable or unstable angina or a positive functional study
  • Single, restenotic lesion in a stented coronary artery (allowed are multiple lesions but only the target lesion is amenable for percutaneous intervention, i.e. no 'staged' procedures involving non-target lesions)
  • Diameter stenosis > 70% (visual estimate)
  • Stented segment length < 25 mm
  • Vessel diameter => 2.5 mm
  • Female patients can enter this study if they are post-menopausal for at least two years or have undergone hysterectomy or sterilization
  • Signed patient informed consent form
  • Patients and treating physicians agree that the patient will return for all required post procedure follow-up assessments as defined in the clinical protocol

Exclusion Criteria:

  • Left ventricular ejection fraction of < 30%
  • Target lesion/vessel with any of the following characteristics: Clear angiographic calcification in the target lesion or greater than mild calcification in the proximal vessel (minimally radiopaque densities that are discrete and non-linear). Visible thrombus proximal to the lesion.
  • Known hypersensitivity or contraindication to aspirin, heparin, clopidogrel, abciximab, paclitaxel, or a sensitivity to contrast media which cannot be adequately pre-medicated.
  • Other medical illness (i.e. cancer, liver disease or congestive heart failure) that may require cytostatic or radiation therapy causing the subject to be non-compliant with the protocol, confound the data interpretation or is associated with limited life-expectancy (i.e., less than two years).
  • Severe chronic renal insufficiency.
  • Significant gastrointestinal (GI) bleed within the past six months. History of bleeding diathesis or coagulopathy or will refuse blood transfusions.
  • Extensive peripheral vascular disease that precludes safe 6 French sheath insertion and/or requires additional anti-platelet and/or anti-coagulation treatment.
  • Participating in another device or drug study within the last 6 months

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: Uncoated Angioplasty
PTCA of ISR
Device: PTCA
Experimental: DCB Angioplasty
DCB PTCA of ISR
Combination product: paclitaxel coated balloon catheter (device with drug)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
angiographic late lumen loss
Time Frame: 6 months
angiographic late lumen loss
6 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
binary restenosis rate
Time Frame: 6 months
binary restenosis rate
6 months
major adverse cardiac events
Time Frame: 12 months
major adverse cardiac events
12 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

University Hospital, Saarland

Investigators

  • Principal Investigator: Bruno Scheller, MD, Klinik fuer Innere Medizin III, Universitaetsklinikum des Saarlandes, 66421 Homburg/Saar, Germany
  • Study Director: Ulrich Speck, PhD, Radiologie, Campus Mitte, Charite, Berlin, Germany

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

December 1, 2003

Primary Completion (Actual)

November 1, 2006

Study Completion (Actual)

March 1, 2012

Study Registration Dates

First Submitted

March 25, 2005

First Submitted That Met QC Criteria

March 25, 2005

First Posted (Estimate)

March 28, 2005

Study Record Updates

Last Update Posted (Actual)

April 27, 2023

Last Update Submitted That Met QC Criteria

April 25, 2023

Last Verified

April 1, 2023

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • BMT - Pac 1

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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