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OpenTrials
Completed

NCT Number: NCT03312855

Intracoronary Stenting and Antithrombotic Regimen: Lesion Platelet Adhesion as Selective Target of Endovenous Revacept

The main objective is to evaluate the efficacy and safety of treatment with 2 doses (80 and 160 mg) of Revacept versus placebo in patients with stable coronary artery disease undergoing PCI.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 2

Primary location

Deutsches Herzzentrum München, Munich, Bavaria, Germany

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About this study

Revacept is a protein that is made up of an Fc fragment ("fragment crystallisable") fused to the GPVI receptor (the endogenous platelet collagen receptor). Consequently, Revacept binds to its ligand (collagen) on atherosclerotic plaques preventing circulating thrombocytes from binding to collagen exposed by the injured plaque. All this is achieved without affecting systemic hemostasis.

Thus, blocking of GPVI-dependent pathways by interfering with vascular collagen sites is commonly seen as an attractive target for an anti-platelet therapy of atherosclerotic diseases.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Signed written informed consent
  • Men and women >18 years of age
  • Diagnosis: Clinically stable coronary artery disease
  • Angiographic evidence of coronary artery disease
  • Indication for PCI

Exclusion criteria

  • WOCBP who are unwilling or unable to use an acceptable method to avoid pregnancy for up to 4 weeks after receiving investigational product.
  • Women who are pregnant or breastfeeding or are planning pregnancy during course of trial
  • Women with a positive pregnancy test on enrolment or prior to investigational product administration.
  • Patients with elevated high sensitivity cardiac troponin T levels at screening
  • Patients receiving antithrombotic therapy with Prasugrel or Ticagrelor within 7 days prior to randomisation
  • History of hypersensitivity, contraindication or serious adverse reaction to any component of the study drug (GPVI-Fc, sucrose, mannitol), acetylsalicylic acid or clopidogrel
  • History of bleeding diathesis or active bleeding within the last 30 days
  • Recent intracerebral haemorrhage or trauma within the last 3 months
  • Thrombocytopenia (platelet count <30000/mm3) at screening
  • Sustained hypertension (systolic BP >179mmHg or diastolic BP >109mmHg) at screening
  • Renal failure (estimated glomerular filtration rate < 30ml/min and/or dialysis)
  • Severe systemic disease, such as known malignancies or other comorbid conditions with life expectancy less than one year that may result in protocol non-compliance
  • Unable to provide informed consent (e.g. severe dementia, or psychosis)
  • Current severe liver dysfunction (transaminase level >5-fold the upper normal range limit)
  • Patients with an indication for anticoagulant therapy
  • Participation in any other clinical interventional trial (drug/device) within less than 30 days prior to screening
  • Any other contraindication to perform PCI
  • Any planned additional PCI or surgery within 30 days after randomization
  • Suspected poor capability to follow instructions and cooperate
  • Prisoners or subjects who are involuntarily incarcerated
  • Subjects who are compulsorily detained for treatment of either a psychiatric or physical illness (e.g. infectious disease)

Treatment and study plan

Revacept 80 mg

Drug

single dose, intravenous application of 80 mg Revacept

Revacept 160 mg

Drug

single dose, intravenous application of 180 mg Revacept

Placebo

Drug

single dose, intravenous application of Placebo solution

Primary outcomes

  1. Primary endpoint-composite endpoint of death and myocardial injury

    Time frame: within 48 hours from randomisation

    A composite endpoint of death or myocardial injury (defined as increase in cardiac biomarker - high sensitivity cardiac troponin T of at least 5 times the upper limit of norm (ULN) within 48 hours from randomisation).

Secondary outcomes

  1. All cause mortality

    Time frame: within 30 days after randomisation

    All cause mortality

  2. Myocardial infarction

    Time frame: within 30 days after randomisation

    Myocardial infarction

  3. PCI-related (type 4) myocardial infarction

    Time frame: within 30 days after randomisation

    PCI-related (type 4) myocardial infarction

  4. Definite stent thrombosis

    Time frame: within 30 days after randomisation

    Definite stent thrombosis

  5. Urgent coronary revascularization

    Time frame: within 30 days after randomisation

    Urgent coronary revascularization

  6. Stroke

    Time frame: within 30 days after randomisation

    Stroke

  7. Peak potprocedural high-sensitivity troponin T level

    Time frame: within 48 hours after randomisation

    Peak potprocedural high-sensitivity troponin T level

  8. Bleeding class 2 or higher according to Bleeding Academic Research Consortium (BARC) criteria (safety endpoint)

    Time frame: within 30 days after randomisation

    Bleeding class 2 or higher according to Bleeding Academic Research Consortium (BARC) criteria (safety endpoint)

Sponsors and collaborators

Lead sponsor

Deutsches Herzzentrum Muenchen

Other

Collaborators

  • AdvanceCor GmbH
  • Deutsches Zentrum für Herz-Kreislauf-Forschung (DZHK)
  • German Federal Ministry of Education and Research
  • Technical University of Munich

Registry information

Official study title

Revacept, a Novel Inhibitor of Platelet Adhesion in Patients With Stable Coronary Artery Disease Undergoing Elective Percutaneous Coronary Interventions: a Phase II, Multicentre, Randomised, Double-blind and Placebo-controlled Study

Acronym: ISAR-PLASTER

Important dates

Study start
2017
Primary completion
2020
Study completion
2020
First posted
Oct 18, 2017
Registry last updated
Apr 20, 2020

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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