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NCT Number: NCT07039149

Pretreatment of Acute Coronary Syndrome With Dual Antiplatelet Agents

This is a chart review of data on use of antiplatelet (AP) medications for acute coronary syndrome in the ER. Guidelines recommend giving aspirin in the ER and a second AP agent in the cath lab. What is the outcome when the 2 agents are given n the ER?

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Istishari Hospital, Amman, Jordan

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About this study

Dual antiplatelet therapy (DAPT) is a standard treatment in ST-elevation myocardial infarction (STEMI) and non-ST-segment-elevation acute coronary syndrome (NSTEACS) . However, the timing of initiation of DAPT in the Emergency Department (ED) has been defined by recent western guidelines (i.e., aspirin in the ER and and a second AP agent when the coronary anatomy has been denied in the cath lab. This strategy aims at decreasing the incidence of bleeding events. However, patients with ACS in the Middle East are younger than those in the West and have lower bleeding risk. The purpose of this study is to evaluate the incidence of major bleeding in patients who received DAPT in the ED according to the discretion of the treating physician.

Who can participate

Healthy volunteers accepted: No

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

Inclusion criteria

  • Adult patients
  • Presenting with acute coronary syndrome (ST segment elevation myocardial infarction, non ST segment elevation myocardial infarction, and unstable angina).
  • Antiplatelet medication (s) prescribed during index admission to hospital.
  • Willingness of the patient to be called for follow up up to 1 year after index hospitalization.

Exclusion criteria

  • Non cardiac chest pain.
  • No administration of antiplatelet agents during hospitalization.
  • Refusal of contact for follow up.

Treatment and study plan

Primary outcomes

  1. Major bleeding event

    Time frame: From enrollment to the end of the study at 1 year.

    Major bleeding event is defined as any of the following: 1. bleeding causing hemodynamic compromise, 2. bleeding necessitating blood transfusion, or 3. bleeding in a closed space (intracerebral intraspinal and intraocular).

Secondary outcomes

  1. Major adverse cardiovascular and cerebral events

    Time frame: from enrollment to 1 year

    Occurrence of any of the followings: 1. Cardiovascular death (death due to documented cardiovascular event: fatal myocardial infarction, or fatal stroke), 2. Non fatal myocardial infarction (two of three criteria: ischemic chest pain, electrocardiographic changes [ST segment deviation and T wave inversion] and elevated cardiac enzymes), 2. Definite stent thrombosis (demonstrating a thrombus in the stent on coronary angiography), 3. Non fatal stroke (new neurological deficit compatible with cerebral ischemia, brain imaging by computed tomography or magnetic resonance showing typical stroke, ischemic or hemorrhagic), 4. Coronary revascularization by percutaneous intervention or coronary bypass surgery.

Study contacts

Contact information is provided by the study sponsor or research team.

Ayman Hammoudeh, MD, FACC

CONTACT

[email protected]

+96265001000

Laith Habahbeh, MD

CONTACT

[email protected]

065001000

Sponsors and collaborators

Lead sponsor

Jordan Collaborating Cardiology Group

Other

Registry information

Official study title

Dual Antiplatelet Agents Therapy in the Emergency Department for Acute Coronary Syndrome (The DATES Study).

Acronym: DATES

Important dates

Study start
2025
Primary completion
2026
Study completion
2026
First posted
Jun 26, 2025
Registry last updated
Nov 28, 2025

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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