Chewing Ticagrelor Versus Prasugrel in ST-elevation Myocardial Infarction - A Platelet Reactivity Study

January 9, 2017 updated by: Dr. Elad Asher, Sheba Medical Center
To examine the efficacy of chewing Ticagrelor versus Prasugrel in ST-elevation Myocardial Infarction (STEMI) patients on platelet reactivity.

Study Overview

Status

Unknown

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Anticipated)

100

Phase

  • Phase 4

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

  • Israel
      • Ramat Gan, Israel
        • Sheba Medical Center

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 to 75 years (ADULT, OLDER_ADULT)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  1. Patients presenting with STEMI
  2. Informed, written consent

Exclusion Criteria:

  1. Age < 18 years or Age > 75 years
  2. Active bleeding; bleeding diathesis; coagulopathy
  3. Increased risk of bradycardic events
  4. History of gastrointestinal or genitourinary bleeding <2 months
  5. Major surgery in the last 6 weeks
  6. History of intracranial bleeding or structural abnormalities
  7. Suspected aortic dissection
  8. Any other condition that may put the patient at risk or influence study results or investigator's opinion (severe hemodynamic instability, unconsciousness, known malignancies or other comorbid conditions with life expectancy <1 year)
  9. Administration in the week before the index event of clopidogrel, ticlopidine, prasugrel, ticagrelor, thrombolytics, bivalirudin, low-molecular weight heparin or fondaparinux.
  10. Concomitant oral or IV therapy with strong CYP3A inhibitors or strong CYP3A inducers, CYP3A with narrow therapeutic windows
  11. Known relevant hematological deviations: Hb <10 g/dl, PLT<100x10^9/l
  12. Use of coumadin derivatives within the last 7 days
  13. Chronic therapy with ticagrelor, prasugrel, clopidogrel or ticlopidine
  14. Known severe liver disease, severe renal failure
  15. Known allergy to the study medications
  16. Pregnancy
  17. Human immunodeficiency virus treatment
  18. The use of IIBIIIA receptor antagonists in the 48 hours before enrollment (if abciximab use then in the last 14 days).
  19. If the patients cannot sign percutaneous coronary intervention (PCI) informed consent for any reason.

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
  • Masking: NONE

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
ACTIVE_COMPARATOR: Chewing Ticagrelor
Drug: Chewing Prasugrel LD
60 mg Chewing Prasugrel
EXPERIMENTAL: Chewing Prasugrel
Drug: Chewing Ticagrelor LD
180 mg Chewing Ticagrelor

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Residual platelet reactivity by Platelet Reactivity Units (PRU) VerifyNow 1 hour after Ticagrelor/Prasugrel LD
Time Frame: 1 hour
1 hour

Secondary Outcome Measures

Outcome Measure
Time Frame
The percent of patients with a high residual platelet reactivity (PRU > 208) 1 hour, 4-6 hours after Ticagrelor/Prasugrel LD
Time Frame: 4-6 hours
4-6 hours
Major, minor, minimal bleeding [ Thrombolysis in Myocardial Infarction (TIMI) criteria] events
Time Frame: 30 days
30 days
Occurrence of dyspnea and/or symptomatic bradycardia
Time Frame: 30 days
30 days

Collaborators and Investigators

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

Sponsor

Sheba Medical Center

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

February 1, 2017

Primary Completion (ANTICIPATED)

December 1, 2017

Study Registration Dates

First Submitted

January 9, 2017

First Submitted That Met QC Criteria

January 9, 2017

First Posted (ESTIMATE)

January 10, 2017

Study Record Updates

Last Update Posted (ESTIMATE)

January 10, 2017

Last Update Submitted That Met QC Criteria

January 9, 2017

Last Verified

January 1, 2017

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • SHEBA-16-3634

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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