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The Stabilization of Atherosclerotic Plaque by Initiation of Darapladib Therapy Trial (STABILITY)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT00799903
Recruitment Status : Completed
First Posted : December 1, 2008
Results First Posted : August 10, 2017
Last Update Posted : August 10, 2017
Sponsor:
Information provided by (Responsible Party):
GlaxoSmithKline

Study Description
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Brief Summary:
This study will test whether darapladib can safely lower the chances of having a cardiovascular event (such as a heart attack or stroke) in people with coronary heart disease.

Condition or disease Intervention/treatment Phase
Atherosclerosis Drug: Darapladib Drug: Placebo Phase 3

Detailed Description:
Subjects who qualify for the study will be randomized 1:1 to either darapladib or placebo administered in addition to standard therapy. Following the baseline visit, subjects will be expected to return for clinic visits at 1 month, 3 months, and every 6 months until the end of the study. Average time in the study for an individual subject is expected to be about 3 years.
Study Design
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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 15828 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: LPL100601, A Clinical Outcomes Study of Darapladib Versus Placebo in Subjects With Chronic Coronary Heart Disease to Compare the Incidence of Major Adverse Cardiovascular Events (MACE)
Study Start Date : December 1, 2008
Actual Primary Completion Date : October 1, 2013
Actual Study Completion Date : October 17, 2013

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Heart Diseases

Arms and Interventions
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Arm Intervention/treatment
Experimental: Darapladib
Single daily oral tablet
 Drug: Darapladib
Lp-PLA2 inhibitor administered in addition to standard therapy
Placebo Comparator: Placebo
Single daily oral tablet
 Drug: Placebo
Placebo administered in addition to standard therapy


Outcome Measures
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Primary Outcome Measures :
  1. Number of Participants With First Occurrence of Any Component of the Composite of Major Adverse Cardiovascular Events (Cardiovascular [CV] Death, Non-fatal Myocardial Infarction [MI] or Non-fatal Stroke) During the Time Period for Follow-up of CV Events [ Time Frame: From randomization until the End-of-Treatment visit or the last date on which endpoints were able to be assessed (up to 4.25 years/average of 3.51 years) ]
    CV death=death due to a CV cause, which included but was not limited to deaths resulting from stroke, arrhythmia, sudden death (witnessed/unwitnessed), MI, heart failure, pulmonary embolism, peripheral arterial disease, or complications of a CV procedure. Deaths not clearly attributable to non-CV causes are considered to be CV deaths. Acute MI=evidence of myocardial necrosis in a clinical setting consistent with myocardial ischemia. Prior MI diagnosed post-randomization (e.g., silent MI)=the development of new pathological Q waves with/without symptoms OR imaging evidence of a region of loss of viable myocardium that is thinned and fails to contract, in the absence of a non-ischemic cause (pre-event imaging data required for verification of new abnormality), OR pathological findings of a healed/healing MI. Stroke=presence of a new focal neurologic deficit thought to be of vascular origin, with signs/symptoms lasting >24 hours or results in death (in <24 hours).


Secondary Outcome Measures :
  1. Number of Participants With First Occurrence of Any Event in the Composite of Major Coronary Events (Coronary Heart Disease [CHD] Death, Non-fatal MI, or Urgent Coronary Revascularization [CR] for MI) During the Time Period for Follow-up (FU) of CV Events [ Time Frame: From randomization until the End-of-Treatment visit or the last date on which endpoints were able to be assessed (up to 4.25 years/average of 3.51 years) ]
    CHD death=occurrence of a fatal MI, death caused by documented cardiac arrest, death resulting from heart failure in a participant with known CHD, death from other forms of acute/chronic CHD, unwitnessed death of unknown origin, or sudden death. Acute MI=evidence of myocardial necrosis in a clinical setting consistent with myocardial ischemia. Prior MI diagnosed post-randomization (e.g.,silent MI)=the development of new pathological Q waves with/without symptoms OR imaging evidence of a region of loss of viable myocardium that is thinned and fails to contract, in the absence of a non-ischemic cause (pre-event imaging data required for verification of new abnormality), OR pathological findings of a healed/healing MI. Urgent CR for MI=ischemic discomfort at rest that prompted CR (percutaneous coronary intervention [PCI: any attempt at CR even if not successful] or coronary artery bypass graft) during the same hospitalization or resulted in hospital transfer for the purpose of CR.

  2. Number of Participants With First Occurrence of Any Event in the Composite of Total Coronary Events (CHD Death, Non-fatal MI, Hospitalization for Unstable Angina, or Any Coronary Revascularization Procedure) During Time Period for FU of CV Events [ Time Frame: From randomization until the End-of-Treatment visit or the last date on which endpoints were able to be assessed (up to 4.25 years/average of 3.51 years) ]
    CHD death, acute MI, and prior MI are defined in the previous secondary endpoint (major coronary events). Hospitalization for unstable angina=one of the following, but not fulfilling the criteria for MI: ischemic discomfort at rest associated with electrocardiogram (ECG) changes leading to hospitalization; ischemic discomfort at rest regardless of ECG changes leading to hospitalization and revascularization during the same admission; ischemic discomfort at rest in hospital associated with ECG changes; ischemic discomfort at rest in hospital without ECG changes resulting in revascularization during the same admission. NOTE: The event was not considered to be unstable angina if, after invasive/non-invasive testing or other diagnostic testing, the discomfort is found not to be caused by myocardial ischemia.

  3. Number of Participants With CV Death During the Time Period for Follow-up of CV Events [ Time Frame: From randomization until the End-of-Treatment visit or the last date on which endpoints were able to be assessed (up to 4.25 years/average of 3.51 years) ]
    CV death is defined as a death due to a CV cause, which included but was not limited to deaths resulting from stroke, arrhythmia, sudden death (witnessed/unwitnessed), MI, heart failure, pulmonary embolism, peripheral arterial disease, or complications of a CV procedure. Deaths not clearly attributable to non-CV causes are considered to be CV deaths.

  4. Number of Participants With First Occurrence of MI (Fatal/Non-fatal) During the Time Period for Follow-up of CV Events [ Time Frame: From randomization until the End-of-Treatment visit or the last date on which endpoints were able to be assessed (up to 4.25 years/average of 3.51 years) ]
    Acute MI is defined as evidence of myocardial necrosis in a clinical setting consistent with myocardial ischemia. Prior MI diagnosed post-randomization (e.g., silent MI)=the development of new pathological Q waves with/without symptoms OR imaging evidence of a region of loss of viable myocardium that is thinned and fails to contract, in the absence of a non-ischemic cause (pre-event imaging data required for verification of new abnormality), OR pathological findings of a healed/healing MI.

  5. Number of Participants With First Occurrence of Stroke (Fatal/Non-fatal) During the Time Period for Follow-up of CV Events [ Time Frame: From randomization until the End-of-Treatment visit or the last date on which endpoints were able to be assessed (up to 4.25 years/average of 3.51 years) ]
    Stroke is defined as the presence of a new focal neurologic deficit thought to be of vascular origin, with signs/symptoms lasting >24 hours or results in death (in <24 hours).

  6. Number of Participants With First Occurrence of Any Component of the Composite of All-cause Mortality, Non-fatal MI, or Non-fatal Stroke During the Time Period for Follow-up of CV Events [ Time Frame: From randomization until the End-of-Treatment visit or the last date on which endpoints were able to be assessed (up to 4.25 years/average of 3.51 years) ]
    Acute MI is defined as evidence of myocardial necrosis in a clinical setting consistent with myocardial ischemia. Prior MI diagnosed post-randomization (e.g., silent MI)=the development of new pathological Q waves with/without symptoms OR imaging evidence of a region of loss of viable myocardium that is thinned and fails to contract, in the absence of a non-ischemic cause (pre-event imaging data required for verification of new abnormality), OR pathological findings of a healed/healing MI. Stroke=presence of a new focal neurologic deficit thought to be of vascular origin, with signs/symptoms lasting >24 hours or results in death (in <24 hours).

  7. Number of Participants With All-cause Mortality During the Time Period for Vital Status [ Time Frame: From randomization until death or study completion (up to 4.49 years/average of 3.65 years) ]
    The number of participants with all-cause mortality was assessed.


Eligibility Criteria
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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Men or women at least 18 years old. Women must be post-menopausal or using a highly effective method for avoidance of pregnancy.
  • Current treatment with statin therapy unless the study doctor determines statins are not appropriate for the subject.
  • Chronic coronary heart disease
  • At least one of the following:
  • At least 60 years old
  • Diabetes requiring treatment with medication
  • Low HDL cholesterol ("good cholesterol")
  • Currently smoke cigarettes or stopped smoking within the past 3 months
  • Diagnosed mild or moderate reduction in kidney function
  • Cerebrovascular disease (carotid artery disease or ischemic stroke more than 3 months prior to study entry) OR peripheral arterial disease.

Exclusion Criteria:

  • Planned coronary revascularization (such as stent placement or heart bypass) or any other major surgical procedure.
  • Liver disease
  • Severe reduction in kidney function OR removal of a kidney OR kidney transplant
  • Severe heart failure
  • Blood pressure higher than normal despite lifestyle changes and treatment with medications
  • Any life-threatening disease expected to result in death within the next 2 years (other than heart disease)
  • Severe asthma that is poorly controlled with medication
  • Pregnant (Note: A pregnancy test will be performed on all non-sterile women prior to study entry)
  • Previous severe allergic response to food, drink, insect stings, etc.
  • Drug or alcohol abuse within the past 6 months OR mental/psychological impairment that may prevent the subject from complying with study procedures or understanding the goal and potential risks of participating in the study.
  • Certain medications that may interfere with the study medication (these will be identified by the study doctor)
  • Participation in a study of an investigational medication within the past 30 days
  • Current participation in a study of an investigational device
Contacts and Locations
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Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00799903


Locations
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Sponsors and Collaborators
GlaxoSmithKline
Investigators
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Study Director: GSK Clinical Trials GlaxoSmithKline
More Information
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Additional Information:

Study Data/Documents: Informed Consent Form  This link exits the ClinicalTrials.gov site
Identifier: 100601
For additional information about this study please refer to the GSK Clinical Study Register
Clinical Study Report  This link exits the ClinicalTrials.gov site
Identifier: 100601
For additional information about this study please refer to the GSK Clinical Study Register
Annotated Case Report Form  This link exits the ClinicalTrials.gov site
Identifier: 100601
For additional information about this study please refer to the GSK Clinical Study Register
Study Protocol  This link exits the ClinicalTrials.gov site
Identifier: 100601
For additional information about this study please refer to the GSK Clinical Study Register
Individual Participant Data Set  This link exits the ClinicalTrials.gov site
Identifier: 100601
For additional information about this study please refer to the GSK Clinical Study Register
Statistical Analysis Plan  This link exits the ClinicalTrials.gov site
Identifier: 100601
For additional information about this study please refer to the GSK Clinical Study Register
Dataset Specification  This link exits the ClinicalTrials.gov site
Identifier: 100601
For additional information about this study please refer to the GSK Clinical Study Register

Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
STABILITY Investigators, White HD, Held C, Stewart R, Tarka E, Brown R, Davies RY, Budaj A, Harrington RA, Steg PG, Ardissino D, Armstrong PW, Avezum A, Aylward PE, Bryce A, Chen H, Chen MF, Corbalan R, Dalby AJ, Danchin N, De Winter RJ, Denchev S, Diaz R, Elisaf M, Flather MD, Goudev AR, Granger CB, Grinfeld L, Hochman JS, Husted S, Kim HS, Koenig W, Linhart A, Lonn E, López-Sendón J, Manolis AJ, Mohler ER 3rd, Nicolau JC, Pais P, Parkhomenko A, Pedersen TR, Pella D, Ramos-Corrales MA, Ruda M, Sereg M, Siddique S, Sinnaeve P, Smith P, Sritara P, Swart HP, Sy RG, Teramoto T, Tse HF, Watson D, Weaver WD, Weiss R, Viigimaa M, Vinereanu D, Zhu J, Cannon CP, Wallentin L. Darapladib for preventing ischemic events in stable coronary heart disease. N Engl J Med. 2014 May 1;370(18):1702-11. doi: 10.1056/NEJMoa1315878. Epub 2014 Mar 30.

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Responsible Party: GlaxoSmithKline
ClinicalTrials.gov Identifier: NCT00799903    
Other Study ID Numbers: 100601
First Posted: December 1, 2008    Key Record Dates
Results First Posted: August 10, 2017
Last Update Posted: August 10, 2017
Last Verified: March 2017
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: Yes
Plan Description: Patient-level data for this study will be made available through www.clinicalstudydatarequest.com following the timelines and process described on this site.
Keywords provided by GlaxoSmithKline:
heart disease
Lp-PLA2 inhibitor
cardiovascular disease
 coronary heart disease
CV risk
Atherosclerosis
Additional relevant MeSH terms:
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Heart Diseases
Atherosclerosis
Cardiovascular Diseases
Arteriosclerosis
Arterial Occlusive Diseases
 Vascular Diseases
Darapladib
Phospholipase A2 Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action