- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05774431
Disparities in the Proportion of Ticagrelor and Prasugrel-eligible Patients With Acute Coronary Syndrome in a Real-world Registry (AZ-DAPT)
The primary objective of this study is to compare patients eligible for ASS and Ticagrelor against those eligible for ASS and Prasugrel. The available information regarding relative and absolute exclusion criteria outlines reasons for disqualification from either drug.
The secondary objectives of the study are to:
- Assess the proportion of patients who received ASS and Ticagrelor in the study cohort.
- Compare the proportion of patients who received ASS and Ticagrelor against the proportion of patients who qualify for DAPT with ASS and Ticagrelor (eligible group).
- Describe the antithrombotic treatment, including antiplatelet monotherapies, and antiplatelet therapies with or without anticoagulation.
The investigators will use these objectives to evaluate the effectiveness and appropriateness of the different antiplatelet therapies in the study population. Participants will not be personally identified in any reports or publications resulting from this study.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This retrospective single-center study at University Hospital of Heidelberg aims to consecutively screen all patients with suspected ACS over a 24-month period. Patients will be managed in a chest pain unit (CPU), which is a specialized ED led by a cardiologist and requires certification by the German Cardiac Society (Deutsche Gesellschaft für Kardiologie; DGK). More than 320 certified CPUs are distributed across Germany and represent the preferred facilities for evaluating patients with suspected ACS. CPU organization and certification requirements have been previously published.
The ED is under the supervision of a senior cardiologist who is responsible for decisions regarding admission or discharge, selection of antiplatelet and antithrombotic drugs, and indication and timing of an invasive strategy. All patients will undergo a clinical assessment, including medical history, physical examination, 12-lead ECG, continuous ECG monitoring, pulse oximetry, and standard blood tests. The standard 12-lead ECG includes routinely precordial leads V7-V9. Results will be reported on the electronic patient record and communicated to the clinicians responsible for patient care.
There is unlimited access to coronary angiography or other diagnostic resources as per the required criteria for certification of a CPU. Although STEMI patients were not excluded from the analysis, patients with qualifying ST-segment elevations or a presumably new bundle branch block were primarily seen in the catheterization laboratory bypassing the ED. All decisions for adjunctive pharmacological treatments are left to the discretion of the invasive cardiologist before transfer back for observation to the coronary care ward or to the ED.
Acute myocardial infarction (MI) will be diagnosed in-hospital by treating clinicians based on all clinical information, using the diagnostic criteria of the 3rd or 4th universal MI definition. For research purposes, two cardiologists will retrospectively confirm ED diagnoses, with a third cardiologist consulted in case of discordance. All files of patients with confirmed ACS will be screened for information on body weight, pretreatment with P2Y12-Inhibitors before hospital admission, pre-treatment with oral anticoagulants before index admission, or new requirement for oral anticoagulation. Data on age, selection of antiplatelet drugs, invasive strategy including rates of coronary angiography, PCI, CABG, a planned conservative, or conservative therapy in the case of complex coronary angiography or failed PCI were already collected in the electronic registry database, and findings from this registry have been previously published.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Locations
-
-
Baden-Württemberg
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Heidelberg, Baden-Württemberg, Germany, 69120
- Recruiting
- University Hospital of Heidelberg
-
Contact:
- Mustafa Yildirim, MD
- Phone Number: +496221/56-310918
- Email: Mustafa.yildirim@med.uni-heidelberg.de
-
Contact:
- Giannitsis Evangelos, Prof. MD
- Email: Evangelos.Giannitsis@med.uni-heidelberg.de
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Sampling Method
Study Population
Description
Inclusion Criteria:
- Patients over 18 years old
- Clinical symptoms of acute coronary syndrome
Exclusion Criteria:
- hemodialysis
- Atrial tachycardia with accompanying symptoms, but without clinical suspicion of an ACS (Acute Coronary Syndrome).
Study Plan
How is the study designed?
Design Details
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Comparison of Eligible Patients for Dual Antiplatelet Therapy: ASS and Ticagrelor vs ASS and Prasugrel
Time Frame: 24 months
|
Comparing patients who are eligible for ASS and Ticagrelor against those who are eligible for ASS and Prasugrel
|
24 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Proportion of Patients Receiving ASS and Ticagrelor: Comparison to Eligible Group and Description of Antithrombotic Treatment in Study Cohort
Time Frame: 24 months
|
Assessing the proportion of patients who received ASS and Ticagrelor in the study cohort, to compare the proportion of patients who received ASS and Ticagrelor against the proportion of patients who qualify for DAPT with ASS and Ticagrelor (eligible group) and to describe the antithrombotic treatment, i.e. antiplatelet monotherapies, antiplatelet therapies with or without anticoagulation.
|
24 months
|
Collaborators and Investigators
Sponsor
Collaborators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- AZ-DAPT
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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