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STEEL Percutaneous Coronary Intervention (STEEL-PCI)

Primary Purpose

Coronary Artery Disease

Status
Completed
Phase
Phase 4
Locations
United Kingdom
Study Type
Interventional
Intervention
Clopidogrel
Ticagrelor 60
Ticagrelor 90
Sponsored by
Sheffield Teaching Hospitals NHS Foundation Trust
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Coronary Artery Disease

Eligibility Criteria

18 Years - undefined (Adult, Older Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria:

  1. Provision of informed consent prior to any study specific procedures
  2. Male or female aged greater than 18 years
  3. Previous invasive coronary angiography with plan for PCI with coronary stent implantation for stable coronary artery disease

Exclusion Criteria:

  1. Requirement for a chronic total occlusion to be crossed in order for any stent implantation to proceed
  2. Plan for coronary angiography with a view to PCI if appropriate (i.e. current coronary anatomy not known)
  3. Intention to use platelet function tests or genotyping to guide antiplatelet therapy
  4. Known allergy to or intolerance of aspirin, clopidogrel or ticagrelor
  5. Treatment with antiplatelet medication apart from aspirin or clopidogrel that cannot be stopped 10 days prior to PCI (e.g. ticagrelor, prasugrel, dipyridamole, ticlopidine, abciximab, tirofiban), for example because of continuing indication
  6. Planned treatment or consideration of treatment with oral antiplatelet medication other than aspirin or clopidogrel following PCI
  7. Planned use of a glycoprotein IIb/IIIa antagonist for the PCI procedure
  8. Myocardial infarction within the past 12 months
  9. Current or planned use of an oral anticoagulant (e.g. warfarin, dabigatran, rivaroxaban, apixaban)
  10. Previous history of intracranial haemorrhage or other intracranial pathology associated with increased bleeding risk
  11. Haemoglobin < 100 g/L or other evidence of active bleeding
  12. Peptic ulceration documented by endoscopy within the last 3 months unless healing proven by repeat endoscopy
  13. History of acute or chronic liver disease (e.g. cirrhosis)
  14. Treatment in the last 10 days or requirement for ongoing treatment with a strong CYP3A4 inhibitor or inducer (see section 5.6.8)
  15. Requirement for ongoing treatment with simvastatin or lovastatin at a dose greater than 40 mg per day
  16. Treatment with a CYP3A4 substrate with a narrow therapeutic index (e.g. cyclosporine, quinidine)
  17. End-stage renal failure requiring dialysis
  18. History of alcohol or drug abuse in the last year
  19. Co-morbidity associated with life expectancy less than 1 year
  20. Females of child-bearing potential unless negative pregnancy test at screening and willing to use effective contraception (i.e. established use of oral, injected or implanted hormonal methods of contraception or placement of an intrauterine device (IUD) or intrauterine system (IUS) or barrier methods of contraception with spermicide or sole male partner with prior vasectomy and confirmed absence of sperm in ejaculate) for the duration of treatment with study medication
  21. Any other condition deemed by the investigator to place the patient at excessive risk of bleeding with ticagrelor

Sites / Locations

  • Sheffield Teaching Hospitals NHS FT

Arms of the Study

Arm 1

Arm 2

Arm 3

Arm Type

Active Comparator

Experimental

Experimental

Arm Label

Clopidogrel

Ticagrelor 60

Ticagrelor 90

Arm Description

The standard antiplatelet treatment for patients is pretreatment with aspirin and clopidogrel. In this trial patients will be randomised in clopidogrel orTicagrelor of two doses

Ticagrelor 60 is a new dosage to be tried in this trial.

Ticagrelor 90 is used following clopidogrel as maintenance therapy with aspirin 75 mg daily and clopidogrel 75 mg daily following PCI for at least 1 month.

Outcomes

Primary Outcome Measures

Platelet function in the three treatment groups

Secondary Outcome Measures

Rates of myocardial infarction following PCI
Plasma adenosine concentration in the three treatment groups

Full Information

First Posted
December 10, 2014
Last Updated
January 21, 2019
Sponsor
Sheffield Teaching Hospitals NHS Foundation Trust
Collaborators
AstraZeneca
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1. Study Identification

Unique Protocol Identification Number
NCT02327624
Brief Title
STEEL Percutaneous Coronary Intervention
Acronym
STEEL-PCI
Official Title
Study of Two Regimens of TicagrElor Compared to Clopidogrel in Patients Undergoing ELective Percutaneous Coronary Intervention
Study Type
Interventional

2. Study Status

Record Verification Date
January 2019
Overall Recruitment Status
Completed
Study Start Date
June 2015 (Actual)
Primary Completion Date
May 31, 2018 (Actual)
Study Completion Date
May 31, 2018 (Actual)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Sheffield Teaching Hospitals NHS Foundation Trust
Collaborators
AstraZeneca

4. Oversight

Data Monitoring Committee
No

5. Study Description

Brief Summary
The principal hypothesis of this study is that two different maintenance regimens of ticagrelor are safe, tolerable and associated with significant inhibition of erythrocyte adenosine reuptake compared to clopidogrel in patients undergoing elective Percutaneous Coronary Intervention (PCI) for stable Coronary artery disease (CAD).
Detailed Description
Coronary artery disease (CAD) is caused by fatty deposits building up over time in the arteries that supply the heart with blood, causing the arteries to narrow and reducing the amount of blood that can get to the heart. One of the treatment options for CAD is percutaneous coronary intervention (PCI) in which a balloon is inserted into the artery supplying the heart to open up the artery where it has narrowed. A stent is then left in the artery once the balloon is removed to hold the artery open and allow more blood to flow to the heart. One of the risks of this procedure, as in CAD itself, is the formation of blood clots that then block the arteries, stopping or reducing blood flow and causing a heart attack. Platelets are small blood cells involved in the formation of blood clots that cause heart attacks. Antiplatelet drugs (e.g. aspirin) are given to patients with CAD to reduce the risk of a clot forming in the future and causing a heart attack. In a recent large clinical trial (PLATO study), it was shown that heart attack patients treated with a new antiplatelet medication (ticagrelor) had fewer later heart attacks compared to the current standard treatment (clopidogrel). The STEELPCI study is comparing three different strategies for prescribing antiplatelet medication to patients with stable CAD who have a PCI. Patients on waiting list for PCI who meet the study inclusion/exclusion criteria will be invited to participate. Patients will have their PCI as normal but be randomised to take one of three different medication strategies, either clopidogrel or one of two doses of ticagrelor. Patient will take the medication for 30 days and have blood tests and meet with the research team during that time to assess the effects of each medication strategy.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Coronary Artery Disease

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 4
Interventional Study Model
Parallel Assignment
Masking
None (Open Label)
Allocation
Randomized
Enrollment
180 (Actual)

8. Arms, Groups, and Interventions

Arm Title
Clopidogrel
Arm Type
Active Comparator
Arm Description
The standard antiplatelet treatment for patients is pretreatment with aspirin and clopidogrel. In this trial patients will be randomised in clopidogrel orTicagrelor of two doses
Arm Title
Ticagrelor 60
Arm Type
Experimental
Arm Description
Ticagrelor 60 is a new dosage to be tried in this trial.
Arm Title
Ticagrelor 90
Arm Type
Experimental
Arm Description
Ticagrelor 90 is used following clopidogrel as maintenance therapy with aspirin 75 mg daily and clopidogrel 75 mg daily following PCI for at least 1 month.
Intervention Type
Drug
Intervention Name(s)
Clopidogrel
Intervention Description
Compare Clopidogrel to two doses of Ticagrelor 60 and 90
Intervention Type
Drug
Intervention Name(s)
Ticagrelor 60
Intervention Description
Compare Clopidogrel to two doses of Ticagrelor 60 and 90
Intervention Type
Drug
Intervention Name(s)
Ticagrelor 90
Intervention Description
Compare Clopidogrel to two doses of Ticagrelor 60 and 90
Primary Outcome Measure Information:
Title
Platelet function in the three treatment groups
Time Frame
2 years
Secondary Outcome Measure Information:
Title
Rates of myocardial infarction following PCI
Time Frame
2 years
Title
Plasma adenosine concentration in the three treatment groups
Time Frame
2 years

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: Provision of informed consent prior to any study specific procedures Male or female aged greater than 18 years Previous invasive coronary angiography with plan for PCI with coronary stent implantation for stable coronary artery disease Exclusion Criteria: Requirement for a chronic total occlusion to be crossed in order for any stent implantation to proceed Plan for coronary angiography with a view to PCI if appropriate (i.e. current coronary anatomy not known) Intention to use platelet function tests or genotyping to guide antiplatelet therapy Known allergy to or intolerance of aspirin, clopidogrel or ticagrelor Treatment with antiplatelet medication apart from aspirin or clopidogrel that cannot be stopped 10 days prior to PCI (e.g. ticagrelor, prasugrel, dipyridamole, ticlopidine, abciximab, tirofiban), for example because of continuing indication Planned treatment or consideration of treatment with oral antiplatelet medication other than aspirin or clopidogrel following PCI Planned use of a glycoprotein IIb/IIIa antagonist for the PCI procedure Myocardial infarction within the past 12 months Current or planned use of an oral anticoagulant (e.g. warfarin, dabigatran, rivaroxaban, apixaban) Previous history of intracranial haemorrhage or other intracranial pathology associated with increased bleeding risk Haemoglobin < 100 g/L or other evidence of active bleeding Peptic ulceration documented by endoscopy within the last 3 months unless healing proven by repeat endoscopy History of acute or chronic liver disease (e.g. cirrhosis) Treatment in the last 10 days or requirement for ongoing treatment with a strong CYP3A4 inhibitor or inducer (see section 5.6.8) Requirement for ongoing treatment with simvastatin or lovastatin at a dose greater than 40 mg per day Treatment with a CYP3A4 substrate with a narrow therapeutic index (e.g. cyclosporine, quinidine) End-stage renal failure requiring dialysis History of alcohol or drug abuse in the last year Co-morbidity associated with life expectancy less than 1 year Females of child-bearing potential unless negative pregnancy test at screening and willing to use effective contraception (i.e. established use of oral, injected or implanted hormonal methods of contraception or placement of an intrauterine device (IUD) or intrauterine system (IUS) or barrier methods of contraception with spermicide or sole male partner with prior vasectomy and confirmed absence of sperm in ejaculate) for the duration of treatment with study medication Any other condition deemed by the investigator to place the patient at excessive risk of bleeding with ticagrelor
Facility Information:
Facility Name
Sheffield Teaching Hospitals NHS FT
City
Sheffield
Country
United Kingdom

12. IPD Sharing Statement

Plan to Share IPD
Undecided
Citations:
PubMed Identifier
29930021
Citation
Orme RC, Parker WAE, Thomas MR, Judge HM, Baster K, Sumaya W, Morgan KP, McMellon HC, Richardson JD, Grech ED, Wheeldon NM, Hall IR, Iqbal J, Barmby D, Gunn JP, Storey RF. Study of Two Dose Regimens of Ticagrelor Compared With Clopidogrel in Patients Undergoing Percutaneous Coronary Intervention for Stable Coronary Artery Disease. Circulation. 2018 Sep 25;138(13):1290-1300. doi: 10.1161/CIRCULATIONAHA.118.034790. Epub 2018 Jul 24.
Results Reference
derived

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STEEL Percutaneous Coronary Intervention

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