SB-480848 is under developement as a potential anti-atherosclerosis agent for reduction of major cardiovascular events in high risk patient populations.
Conditions
Sponsors
GlaxoSmithKline Research & Development Limited
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: A subject will be eligible for inclusion in this study only if all of the following criteria apply: 1. Signed written informed consent prior to beginning study-related procedures (subject must understand the aims, investigational procedures and possible consequences of the study). 2. Male or female aged 18 to 80 years of age at Screen. Female subjects must be of non-childbearing potential (post-menopausal females who have been amenorrheic > 2 year, or pre-menopausal females with a documented hysterectomy or bilateral oophorectomy, who must not be planning or receiving any in-vitro fertilization treatment) and must not be breastfeeding. 3. Established, stable CHD or CHD-risk equivalent documented by at least 1 of the following: • Prior coronary angiography with =50% stenosis in at least 1 epicardial coronary artery • Prior coronary revascularization [percutaneous coronary intervention (PCI) or coronary artery bypass graft (CABG)] >6 months prior to screening • Prior history of MI, confirmed by ECG changes (pathological Q waves in 2 contiguous leads) and/or documented transient cardiac enzyme elevation (troponin T, troponin I or CK-MB) consistent with myocardial necrosis >6 months prior to screening • Previously diagnosed diabetes mellitus on stable regimen of oral hypoglycemic agents and/or stable regimen of insulin therapy • Documented carotid disease (carotid ultrasound confirming stenosis >50% at any time prior to screening or prior carotid surgery or stenting >6 months prior to screening) • Peripheral arterial disease manifested by 1 of the following: • Ankle/Brachial Index 6 months prior to screening) • documented abdominal aneurysm (abdominal ultrasound confirming aortic abdominal aneurysm at any time prior to screening or prior surgery or stenting > 6 months prior to screening) • Cluster of risk factors resulting in 10 year risk for coronary events >20% according to Framingham risk score at the time of screening (Appendix 5) 4. Must have been on a stable dose of a statin for =4 weeks prior to screening, with statin tolerability and LDL =65 years) yes F.1.3.1 Number of subjects for this age range
Exclusion criteria
Exclusion criteria: A subject will not be eligible for inclusion in this study if any of the following criteria apply: 1. Recent (i.e., 160 mmHg systolic and/or >100 mmHg diastolic) on a stable dose of antihypertensive medication. 5. Current poorly controlled diabetes mellitus, defined as hemoglobin subtype A1c (HbA1c) >10% at screening. 6. Serum triglycerides >400 mg/dL (4.52 mmol/L) at screening. 7. Recent (8 oz (240 mL) daily of grapefruit-juice (Refer to Section 7, Lifestyle and/or Dietary Restrictions). 11. History of chronic viral hepatitis (including presence of hepatitis B surface antigen or hepatitis C antibody), or other chronic hepatic disorders; or ALT or AST >1.5 x ULN, or alkaline phosphatase or total bilirubin >1.5 x ULN of laboratory reference range at screening. 12. Renal impairment with serum creatinine >2.5 mg/dl (>221 µmol/L) at screening, or history of kidney transplant. 13. History of myopathy or inflammatory muscle disease, or elevated total serum CK (3 x ULN) at screening. 14. History of severe heart failure defined as NYHA class III or IV (Appendix 6), or those with known severe left ventricular dysfunction (ejection fraction <30%) regardless of symptomatic status. 15. History of adult asthma manifested by bronchospasm in the past 6 months, or currently taking inhaled bronchodilator on regular basis. 16. History of anaphylaxis, anaphylactoid reactions or severe allergic responses within the past 6 months. 17. History of malignancy within the past 2 years, other than non-melanoma skin cancer. 18. Current life-threatening condition other than vascular disease (e.g., ver
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Main Objective: To assess the ability of SB-480848 to produce sustained inhibition of plasma Lp- PLA2 activity in subjects receiving concomitant atorvastatin therapy.; Secondary Objective: • To assess the dose-response of SB-480848 on inhibition of plasma Lp-PLA2 activity in the presence of therapy with either atorvastatin 20 mg or 80 mg. • To examine dose-related effects of SB-480848 on circulating biomarkers, and whether these effects differ between the atorvastatin 20 mg and 80 mg groups. • To assess the safety and tolerability of SB-480848. • To describe the PK of SB-480848 using a population PK approach. ;Primary end point(s): On treatment sustained inhibition of plasma Lp-PLA2 activity at trough levels of SB- 480848 assessed by the difference in plasma Lp-PLA2 activity from the end of week 4 to the end of week 12 in subjects on stable atorvastatin background treatment. | — |
Countries
Denmark, Estonia, Germany, Hungary, Spain, United Kingdom
Outcome results
None listed