regression of atherosclerosis and related cv diseases
DESCRIPTION
Regression of atherosclerosis and related CV diseases. Jean-Claude Tardif MD , FRCPC, FACC, FCAHS Director, MHI Research Center Professor of Medicine UdeM Endowed Research Chair in Atherosclerosis Montreal Heart Institute Université de Montréal. - PowerPoint PPT PresentationTRANSCRIPT
Regression of atherosclerosisand related CV diseases
Regression of atherosclerosisand related CV diseases
Jean-Claude Tardif MD, FRCPC, FACC, FCAHSDirector, MHI Research Center
Professor of MedicineUdeM Endowed Research Chair in Atherosclerosis
Montreal Heart InstituteUniversité de Montréal
Jean-Claude Tardif MD, FRCPC, FACC, FCAHSDirector, MHI Research Center
Professor of MedicineUdeM Endowed Research Chair in Atherosclerosis
Montreal Heart InstituteUniversité de Montréal
Change in atheroma volume in 6 weeks in statin-naïve patients
Change in atheroma volume in 6 weeks in statin-naïve patients
-5-5
-4.5-4.5
-4-4
-3.5-3.5
-3-3
-2.5-2.5
-2-2
-1.5-1.5
-1-1
-0.5-0.5
00
-10-10
-8-8
-6-6
-4-4
-2-2
00
22
-0.54 ± 0.89
-4.71 ± 0.96
1.21
-9.10
Relative changeRelative change Nominal changeNominal change
P = 0.003P = 0.003
Chronic statin therapy
prior to ACS(n = 38)
Chronic statin therapy
prior to ACS(n = 38)
Newly initiated statin therapyfollowing ACS
(n = 36)
Newly initiated statin therapyfollowing ACS
(n = 36)
Ad
just
ed m
ean
± S
EA
dju
sted
mea
n ±
SE
Med
ian
(IQ
R)
Med
ian
(IQ
R)
Chronic statin therapy
prior to ACS(n = 38)
Chronic statin therapy
prior to ACS(n = 38)
Newly initiated statin therapyfollowing ACS
(n = 36)
Newly initiated statin therapyfollowing ACS
(n = 36)
P = 0.002P = 0.002
Rodes J and Tardif JC, Am J Cardiol 2009;104:750-7Rodes J and Tardif JC, Am J Cardiol 2009;104:750-7Rodes J and Tardif JC, Am J Cardiol 2009;104:750-7Rodes J and Tardif JC, Am J Cardiol 2009;104:750-7
Substantial Risk of CHD Events Remains for Many Patients on Statin Therapy
Substantial Risk of CHD Events Remains for Many Patients on Statin Therapy
Trial (N) Statin treatment
Clinical eventsa
Risk reduction vs placebo
WOSCOPSb (6595) Pravastatin 40 mg 31%
AFCAPS/TexCAPSb (6605) Lovastatin 20 or 40 mg 37%
ASCOT-LLAb (10,305) Atorvastatin 10 mg 36%
4Sb (4444) Simvastatin 20 mg 26%
CAREc (4159) Pravastatin 40 mg 24%
LIPIDc (9014) Pravastatin 40 mg 24%
HPSc (20,536) Simvastatin 40 mg 27%
PROSPERc (5804) Pravastatin 40 mg 19%
aNonfatal myocardial infarction and coronary heart death; bPrimary prevention trial; cSecondary prevention trial
WOSCOPS=West of Scotland Coronary Prevention Study; AFCAPS/TexCAPS=Air Force/Texas Coronary Atherosclerosis Prevention Study; ASCOT-LLA=Anglo-Scandinavian Cardiac Outcomes Trial–Lipid Lowering Arm; 4S=Scandinavian Simvastatin Survival Study; CARE=Cholesterol and Recurrent Events; LIPID=Long-Term Intervention with Pravastatin in Ischemic Disease; HPS=Heart Protection Study; PROSPER=Prospective Study of Pravastatin in the Elderly at Risk
Adapted from Mahley RW, Bersot TP. In: Goodman & Gilman’s The Pharmacological Basis of Therapeutics. 11th ed. New York: McGraw-Hill Medical Publishing Division, 2006:933–966; Bays HE. Expert Rev Cardiovasc Ther. 2004;2:485–501; Shepherd J et al. N Engl J Med. 1995;333:1301–1307; Downs JR et al. JAMA. 1998;279:1615–1622; Sever PS et al. Lancet. 2003;361:1149–1158; Scandinavian Simvastatin Survival Study Group. Lancet. 1994;344:1383–1389; Sacks FM et al. N Engl J Med. 1996;335:1001–1009; Long-Term Intervention with Pravastatin in Ischaemic Disease (LIPID) Study Group. N Eng J Med. 1998;339:1349–1357; Heart Protection Study Collaborative Group. Lancet. 2002;360:7–22; Shepherd J et al. Lancet. 2002;360:1623–1630.
Remaining risk
69%
63%
64%
74%
76%
76%
73%
81%
Risk of death according to presence of metabolic syndrome
Risk of death according to presence of metabolic syndrome
Nigam A, Bourassa MG, Fortier A, Guertin MC, Tardif JC. Am Heart J 2006; 151: 514-21Nigam A, Bourassa MG, Fortier A, Guertin MC, Tardif JC. Am Heart J 2006; 151: 514-21
1.01.0
0.750.75
0.500.50
0.250.25
00
1.01.0
0.750.75
0.500.50
0.250.25
00
00 55 1010 1515 2020
238131078
238131078
20796877
20796877
17854673
17854673
10978388
10978388
No at riskNo MSMS
No at riskNo MSMS
00 55 1010 1515 2020
231221054
231221054
20110853
20110853
17233651
17233651
10611376
10611376
No WHO metabolic syndromeWHO metabolic syndrome
p < 0.0001 p < 0.0001
Survival (all-cause) Survival (CV)
Time (years)Time (years) Time (years)Time (years)
No WHO metabolic syndromeWHO metabolic syndrome
Lipoprotein metabolismLipoprotein metabolism
CD36SR-A
ABC1
MacrophageMacrophage
NascentHDL
NascentHDLHDLHDL
LiverLiver
CETPCETP
A-1A-1 A-1A-1LCATLCAT
LDLLDL
OxidationOxidationB
LPLLPL
IDLIDL
VLDLVLDL
B
BC-II
C-II
EE
LPLLPL
Cholesterolpool
FC CEACAT
HLHL
PL TPPL TP
FC CEACAT MTP
ApoB27-hydroxylase
ABCG1
LDLreceptor
LDLreceptor
IntestineIntestine
AC
AT
AC
AT
FC
FC
CE
CE IBATIBAT
BileBile
Change in plaque volumeChange in plaque volume
30-mm segment, intent-to-treat population30-mm segment, intent-to-treat population
-4-4
-2-2
00
22
44
66
PlaceboPlacebo50 mg
(n = 108)50 mg
(n = 108)250 mg(n = 98)250 mg(n = 98)
750 mg(n = 117)750 mg
(n = 117)
Avasimibe Avasimibe AvasimibeAvasimibe Avasimibe Avasimibe
-2.5 ± 26.6
5.1 ± 30.0
1.2 ± 24.2
1.9 ± 33.1
p = 0.058 (unadjusted)p = 0.17 (adjusted)
Mea
n c
han
ge (
±SD
)M
ean
ch
ange
(±S
D)
A+
(n=109)(n=109)
mm3mm3
Tardif et al Circulation 2004; 110:3372-7Tardif et al Circulation 2004; 110:3372-7
-0.10-0.10
-0.08-0.08
-0.06-0.06
-0.04-0.04
-0.02-0.02
00
Coronary change scoreCoronary change score
(mm
)(m
m)
(mm
)(m
m)
p = 0.35
0000
5555
10101010
15151515
20202020
New lesionsNew lesions Diseaseprogression
Diseaseprogression
(% o
f pa
tien
ts)
(% o
f pa
tien
ts)
(% o
f pa
tien
ts)
(% o
f pa
tien
ts)
p = 0.84*
p = 0.27*
Instrumented (IVUS-relatedInstrumented (IVUS-related arteries arteries))Instrumented (IVUS-relatedInstrumented (IVUS-related arteries arteries))
Non-instrumented (Non-instrumented (Non-IVUS arteriesNon-IVUS arteries))Non-instrumented (Non-instrumented (Non-IVUS arteriesNon-IVUS arteries))
Long-Term Safety of Intravascular Ultrasound
Long-Term Safety of Intravascular Ultrasound
A+
J Am Coll Cardiol 2005;45:559-564
IVUS assessment - Atherosclerosis regressionIVUS assessment - Atherosclerosis regression20% reduction in plaque burden20% reduction in plaque burden
Plaque volume (mm3): 272.9EEM volume (mm3): 609.5Plaque volume (mm3): 272.9EEM volume (mm3): 609.5
Plaque volume (mm3): 197.3EEM volume (mm3): 445.9Plaque volume (mm3): 197.3EEM volume (mm3): 445.9
BaselineBaseline Follow-upFollow-up
Correlations between changes in plaque, vessel and lumen areas in pts with regression
Correlations between changes in plaque, vessel and lumen areas in pts with regression
n = 227r = 0.64p < 0.0001
-6-6
-4-4
-2-2
00
22
44
66
-4-4 -3.5-3.5 -3-3 -2.5-2.5 -2-2 -1.5-1.5 -1-1 -.5-.5 00
Change in mean plaque area (mm2)Change in mean plaque area (mm2)
-6-6
-4-4
-2-2
00
22
44
66
-4-4 -3.5-3.5 -3-3 -2.5-2.5 -2-2 -1.5-1.5 -1-1 -.5-.5 00
n = 227r = 0.20p = 0.0030
Change in mean plaque area (mm2)Change in mean plaque area (mm2)
Mean lumen area (mm2) Mean lumen area (mm2) Mean vessel area (mm2) Mean vessel area (mm2)
Tardif et al. Am J Cardiol 2006;98-23-7Tardif et al. Am J Cardiol 2006;98-23-7
IVUS results in patients with angiographic progression vs no progression by QCA in the IVUS-related artery
IVUS results in patients with angiographic progression vs no progression by QCA in the IVUS-related artery
150150
175175
200200
225225
250250
BaselineBaseline Follow-upFollow-up
ProgressionNo progression
217.2
72.1
197.1
73.6
226.8
69.9
196.0
71.3
p = 0.05
p = 0.0089
Mea
n p
laq
ue v
olu
me
(mm
3 )M
ean
pla
que
vol
um
e (m
m3 )
P-value for mean change in plaque volume: 0.0283P-value for mean change in plaque volume: 0.0283 CirculationCirculation 2007;115:1851-72007;115:1851-7CirculationCirculation 2007;115:1851-72007;115:1851-7
Prognostic significance of angiographic progression of coronary atherosclerosisPrognostic significance of angiographic progression of coronary atherosclerosis
Circulation 1993; 87: 1067-75Circulation 1993; 87: 1067-75
00 2020 4040 6060 8080MonthsMonths
Non progressors
Progressors
Any coronary event ( n = 112)Any coronary event ( n = 112)1.01.0
0.750.75
0.500.50
0.250.25
Pro
port
ion
even
t fr
eeP
ropo
rtio
n ev
ent
free
00 2020 4040 6060 8080MonthsMonths
Non progressors
Progressors
Death or MI (n = 40)Death or MI (n = 40)1.01.0
0.750.75
0.500.50
0.250.25P
ropo
rtio
n ev
ent
free
Pro
port
ion
even
t fr
ee(N = 260) (N = 137) (N = 0) (N = 0) (N = 309) (N = 192) (N = 5) (N = 1)
p < 0.001 p < 0.001
Canadian Atherosclerosis Imaging NetworkClinical Translation and Practice
Canadian Atherosclerosis Imaging NetworkClinical Translation and Practice
Correlation of coronary and carotid atherosclerosis and their changes over time and links with clinical outcomes 2000 patients undergoing coronary angiography, IVUS (with
virtual histology) and carotid ultrasound (IMT and plaques) at baseline and 24 months
5-year follow-up for cardio/cerebrovascular events NIRS, PET/CT, MRI and microvascular substudies Genomic (including miRNAs) and biomarker biobanks Proteomic and metabolomic analyses
Application of this knowledge and framework in clinical trials of novel anti-atherosclerotic agents
Correlation of coronary and carotid atherosclerosis and their changes over time and links with clinical outcomes 2000 patients undergoing coronary angiography, IVUS (with
virtual histology) and carotid ultrasound (IMT and plaques) at baseline and 24 months
5-year follow-up for cardio/cerebrovascular events NIRS, PET/CT, MRI and microvascular substudies Genomic (including miRNAs) and biomarker biobanks Proteomic and metabolomic analyses
Application of this knowledge and framework in clinical trials of novel anti-atherosclerotic agents
Beyond statin-induced LDL-C reductionBeyond statin-induced LDL-C reduction
Tardif JC, Heinonen T. Nature Clin Pract CV Med 2006;3:366-7Tardif JC, Heinonen T. Nature Clin Pract CV Med 2006;3:366-7
CETP inhibitors
HDL infusions/mimetics
5-LO/FLAP inhibitors
PLA2 inhibitors
Serpins
Heart rate reduction?
Adhesion Molecule
Monocyte
LDL
LDLMCP-1
Macrophage
Cytokines
Foam Cell
HDL PROMOTES CHOLESTEROL EFFLUXHDL PROMOTES CHOLESTEROL EFFLUX
HDL INHIBITS ADHESION MOLECULE EXPRESSIONHDL INHIBITS ADHESION MOLECULE EXPRESSION
MODIFIED LDL
HDL INHIBITSHDL INHIBITSOXIDATION OF LDLOXIDATION OF LDL
HDL INHIBITS MCP-1 EXPRESSIONHDL INHIBITS MCP-1 EXPRESSION
INHIBITION OF ATHEROSCLEROSIS BY HDL
Effects of rApo-A1 Milano on coronary atherosclerosisEffects of rApo-A1 Milano on coronary atherosclerosis
JAMA 2003; 290:2292-2300JAMA 2003; 290:2292-2300
-20-20
-16-16
-12-12
-8-8
-4-4
00
-2-2
-1-1
00
11
mm3mm3 %%
Change in atheroma volumeChange in atheroma volume Change in % atheroma volumeChange in % atheroma volume
Placebo(n = 11)Placebo(n = 11)
15 mg/kg(n = 21)
15 mg/kg(n = 21)
45 mg/kg(n = 15)
45 mg/kg(n = 15)
Combined(n = 36)
Combined(n = 36)
ETC-216ETC-216
Placebo(n = 11)Placebo(n = 11)
15 mg/kg(n = 21)
15 mg/kg(n = 21)
45 mg/kg(n = 15)
45 mg/kg(n = 15)
Combined(n = 36)
Combined(n = 36)
ETC-216ETC-216
p = 0.97p = 0.97 p = 0.02p = 0.02 p = 0.007p = 0.007 p < 0.001p < 0.001
-2.9 ± 23.3
-15.1 ± 50.6
-12.6 ± 15.3-14.1 ± 39.5
0.14 ± 3.09
-1.29 ± 3.48
-0.73 ± 2.75
-1.06 ± 3.17
p = 0.03p = 0.03 p = 0.45p = 0.45 p = 0.02p = 0.02
Change in atheroma volume on IVUSChange in atheroma volume on IVUS
Plaque volume at baseline: 146.0 mm3 for CSL-111, 151.4 mm3 for placebo Interval between IVUS examinations : 43 ± 6 days in both groups
Plaque volume at baseline: 146.0 mm3 for CSL-111, 151.4 mm3 for placebo Interval between IVUS examinations : 43 ± 6 days in both groups
-4-4
-3.5-3.5
-3-3
-2.5-2.5
-2-2
-1.5-1.5
-1-1
-0.5-0.5
00
-6-6
-5-5
-4-4
-3-3
-2-2
-1-1
00
CSL-111(n = 89)
CSL-111(n = 89)
Placebo(n = 47)Placebo(n = 47)
CSL-111(n = 89)
CSL-111(n = 89)
Placebo(n = 47)Placebo(n = 47)
p=NS p=NS
p < 0.0001
p = 0.07
p < 0.0001
P=0.04
-3.41
-1.62
-5.34
-2.33
Median percent changeMedian percent change Median nominal changeMedian nominal change
%% mm3mm3
The ERASE trial
Tardif et al. JAMATardif et al. JAMA 2007;297:1675-822007;297:1675-82Tardif et al. JAMATardif et al. JAMA 2007;297:1675-822007;297:1675-82
Changes in plaque characterization indexesChanges in plaque characterization indexes
-0.02-0.02
-0.01-0.01
00
0.010.01
0.020.02
-0.02-0.02
-0.01-0.01
00
0.010.01
0.020.02
CSL-111CSL-111 PlaceboPlacebo CSL-111CSL-111 PlaceboPlacebo
Arc indexArc index Inner perimeter indexInner perimeter index
-0.0083
0.0137
-0.0097
0.0128
p = 0.01p = 0.01 p = 0.01p = 0.01
The ERASE trialL
east
squ
are
mea
nsL
east
squ
are
mea
ns
Lea
st s
quar
e m
eans
Lea
st s
quar
e m
eans
Tardif et al. JAMATardif et al. JAMA 2007;297:1675-822007;297:1675-82Tardif et al. JAMATardif et al. JAMA 2007;297:1675-822007;297:1675-82
Changes in coronary score on QCAChanges in coronary score on QCA
-0.08-0.08
-0.06-0.06
-0.04-0.04
-0.02-0.02
00
1.76 mm1st quartile
1.76 mm1st quartile
2.00 mmMedian2.00 mmMedian
2.26 mm3rd quartile
2.26 mm3rd quartile
There was a significant interaction between study treatment and baseline coronary score
(p = 0.03)
Placebo
CSL-111 40 mg/kg
p = 0.03
Coronary score at baselineCoronary score at baseline
The ERASE trial
Lea
st s
quar
e m
eans
(m
m)
Lea
st s
quar
e m
eans
(m
m)
JAMAJAMA 2007;297:1675-822007;297:1675-82JAMAJAMA 2007;297:1675-822007;297:1675-82
Lipoprotein metabolismLipoprotein metabolism
CD36SR-A
ABC1
MacrophageMacrophage
NascentHDL
NascentHDLHDLHDL
LiverLiver
CETPCETP
A-1A-1 A-1A-1LCATLCAT
LDLLDL
OxidationOxidationB
LPLLPL
IDLIDL
VLDLVLDL
B
BC-II
C-II
EE
LPLLPL
Cholesterolpool
FC CEACAT
HLHL
PL TPPL TP
FC CEACAT MTP
ApoB27-hydroxylase
ABCG1
LDLreceptor
LDLreceptor
IntestineIntestine
AC
AT
AC
AT
FC
FC
CE
CE IBATIBAT
BileBile
ILLUSTRATE – Primary endpoint
Change in Percent Atheroma Volume
ILLUSTRATE – Primary endpoint
Change in Percent Atheroma Volume
0,19
0,12
0
0,05
0,1
0,15
0,2
0,25
0,3
0,35
Changein percentatheromavolume
†p value from ANCOVA
Atorvastatinmonotherapy
Torcetrapib-atorvastatin
*LS Mean change
p = 0.72†
Nissen, Tardif, et al. N Engl J Med 2007; 356:1304-16Nissen, Tardif, et al. N Engl J Med 2007; 356:1304-16
ILLUMINATE - Primary Endpoint Time to First MCVE*: Kaplan-Meier Plot
*Major cardiovascular event: CHD death, non-fatal MI, stroke or hospitalization for unstable *Major cardiovascular event: CHD death, non-fatal MI, stroke or hospitalization for unstable anginaangina
00 9090 180180 270270 360360 450450 540540 630630 720720 810810
Days from RandomizationDays from Randomization
Event
Free (
%)
Event
Free (
%)
9090
9292
9494
9696
9898
100100
Atorvastatin (A) events = 373Atorvastatin (A) events = 373
Torcetrapib/Atorvastatin (T/A) events = 464Torcetrapib/Atorvastatin (T/A) events = 464
P=0.001
Hazard Ratio 1.25
NEJM 2007;357:2109-2122NEJM 2007;357:2109-2122
Cox proportional hazard model adjusted for age, gender and baseline HDL-C. Excludes 265 patients with missing month 3 Cox proportional hazard model adjusted for age, gender and baseline HDL-C. Excludes 265 patients with missing month 3 HDL-C. Preliminary analysis initiated and authorised by P Barter and conducted by PfizerHDL-C. Preliminary analysis initiated and authorised by P Barter and conducted by Pfizer
Hazard ratios for CHD Death or Non-Fatal MI Hazard ratios for CHD Death or Non-Fatal MI by quintile of on-trialby quintile of on-trial HDL-C HDL-C
(referent group is HDL-C < 60 mg/dL stratum)(referent group is HDL-C < 60 mg/dL stratum)
1.001.00
0.670.67
0.470.470.570.57
0.430.43
00
0.20.2
0.40.4
0.60.6
0.80.8
1.01.0
CH
D D
eath
or
No
n-F
ata
l MI
CH
D D
eath
or
No
n-F
ata
l MI
(Ha
zard
Ra
tio)
(Ha
zard
Ra
tio)
<60<60 60-7060-70 71-8071-80 81-9381-93 >93>93Quintiles of HDL-C (mg/dL) at Month 3Quintiles of HDL-C (mg/dL) at Month 3
*P<0.05*P<0.05
****
**
Post-hoc Exploratory Analyses in the Torcetrapib/Atorvastatin Post-hoc Exploratory Analyses in the Torcetrapib/Atorvastatin GroupGroup
Lack of Effect of Dalcetrapib vs Torcetrapib on Aldosterone Secretion
0
100
200
300
400
500
600
700
0 0,001 0,005 0,01 0,025 0,1 1 2,5 5 7,5 10 AngII100 nM
Concentration of Torcetrapib or RO4607381 (µM)
Ald
oste
ron
e
fmo
le/µ
g p
rote
in
RO4607381
Torcetrapib
The dal-HEART Program tests a novel hypothesis: enhancing HDL efficacy through CETP modulation treats the underlying disease of atherosclerosis and will attenuate CV risk
dal-OUTCOMES1
15,600 patients recently hospitalizedfor ACSTo evaluate the effect of dalcetrapib on CVoutcomesRECRUITMENTCOMPLETE
dal-VESSEL2
450 patients withCHD or CHD riskequivalentTo evaluate the effect of dalcetrapib onendothelial function and blood pressure, measured by FMD and ABPMRECRUITMENT COMPLETE
dal-PLAQUE3
130 patients withCHDTo evaluate the effect of dalcetrapib oninflammation, plaque size and burden, measured by PET/CT and MRIRECRUITMENT COMPLETE
The dal-HEART Programdalcetrapib HDL Evaluation, Atherosclerosis & Reverse cholesterol Transport
1Schwartz et al. Am Heart J 2009;158:896-901; 2http://clinicaltrials.gov/ct2/show/NCT00655538 Accessed April 1st 2010;3http://clinicaltrials.gov/ct2/show/NCT00655473 Accessed April 1st 2010; 4http://clinicaltrials.gov/ct2/show/NCT01059682 Accessed April 1st 2010.
dal-PLAQUE-24
900 patients withCADTo evaluate the effect of dalcetrapib onatherosclerotic disease progression, assessed by IVUS and carotid B-mode ultrasoundRECRUITING
DAL-OUTCOMES Study DesignA double-blind, randomized, placebo-controlled, parallel group, multi-centre study in 15,600 patients recently hospitalized for ACS
Visit 1 Visit 2 Visit 3randomization
1 : 1
Double-blind
Single-blind Placebo Run-in
4-12 Weeks
Until 1600 events
occur but at least a minimum
of2 years
Until 1600 events
occur but at least a minimum
of2 years
Follow up1st year: every 3 months
Following years: every 4 months
Dalcetrapib 600 mg
Placebo
dal-PLAQUE-2: Study Design
• Objective: to assess the effect of dalcetrapib versus placebo on atherosclerotic disease progression in patients with CAD
• A double-blind, randomized, placebo-controlled, parallel-group multicenter study in 900 patients with CAD
dalcetrapib 600 mg
placebo
Randomization 24 months
Primary endpoints: IVUS and CIMT at 24 monthsOther assessments: CIMT at 6+12 months; QCA at 24 months
Pre-rando phase
Screening phase up to 8 weeksBaseline IVUS, QCA and CIMT
Double-blind
Background of contemporary evidence-basedtherapy for CAD and CV risk factors
dal-PLAQUE-2Primary endpoints
Co-primary endpoints
• Nominal change from baseline to study end in coronary percent atheroma volume (PAV) for all anatomically comparable slices in a 30-mm segment of the target coronary artery assessed by IVUS
• Rate of change from baseline to study end in intima-media thickness (IMT), defined as the per scan average of the far wall MEAN IMT values of the right and left common carotid, carotid bulb and internal carotid arterial segments as assessed by carotid B-mode ultrasound
British Journal of Pharmacology 2008; 154:765-773British Journal of Pharmacology 2008; 154:765-773
29
17
18
19
20
21
22
23
24
25
26
0 5 10 15
Aortic valve area during treatment
Stop cholesterol diet + Vit D2
Start ApoA-I mimetic peptide treatment
Ao
rtic
val
ve a
rea
(mm
2)
Days
*** * *p<0.05
**p<0.01
Control
Treated
Br J Pharmacol 2008;154:765-773
BC22140 Investigator Meeting
The dual PPAR agonist aleglitazar and change in HDL-C
%
Δ B
L
of
HD
L -
C
0
5
10
15
20
25
30
35
n54 54 54 53 54 57
Placebo 0.05 0.15 0.3 0.6 Pioglitazone
p=0.0312
p< 0.0001p< 0.0001 p< 0.0001
p<0.0014
Aleglitazar 150 μg Provides Beneficial Effects onCardiovascular Biomarkers
Placebo Aleglitazar 150 µg
Pioglitazone 45 mg
Fibrinogen baseline (mg/dL) 337.25 342.92 328.67
hsCRP baseline (mg/dL) 4.97 3.85 4.00
PAI-1 baseline (μg/mL) 22.26 22.67 22.30
1,1
-35,4
9
-40
-35
-30
-25
-20
-15
-10
-5
0
5
10
15
20
Me
an
Ab
so
lute
Ch
an
ge
Fro
m B
ase
line
Placebo Aleglitazar 150 μg Pioglitazone 45 mg
1,1
-35,4
9
-40
-35
-30
-25
-20
-15
-10
-5
0
5
10
15
20
Me
an
Ab
so
lute
Ch
an
ge
Fro
m B
ase
line
Placebo Aleglitazar 150 μg Pioglitazone 45 mg
PAI-1 (μg/mL)hsCRP (mg/dL)Fibrinogen (mg/dL)
-0,1
-1,6-1,7
-3
-2
-1
0
1
-3,7
-5
-7,3
-10
-5
0
BC22140 Investigator Meeting
Aleglitazar 150 µg
Placebo
Treatment Periodat least 2.5 years
Run-in Period2–6 (+ 6) weeks
Follow-upFollow-up
ALECARDIO Study DesignS
cree
ned
Pat
ient
s
Standard of care (diabetes and other CV risk factors)
4 weeks
Inde
x A
CS
Eve
nt
Potential therapeutic targets in CV diseasesPotential therapeutic targets in CV diseases
****
**0.00
20,000.00
40,000.00
60,000.00
80,000.00
100,000.00
120,000.00
140,000.00
160,000.00
-2 0 2 4 6 8 10 12 14
Study Weeks
Mea
n L
TB
4 P
rod
uct
ion
[p
g/m
l]VIA-2291 Decreases ex Vivo Whole Blood LTB4 Production from Baseline through Week 12
** p < 0.0001 ANCOVA Change from Baseline
Error Bars represent 95% CI
Placebo 25mg 50mg 100mg
Tardif et al. Circulation Cardiovasc Imaging 2010;3:298-307
Significant Decrease in hs-CRP in VIA-2291 100 mg Group versus Placebo at 24 Weeks
Change in non-calcified plaque volume and patients with new plaque lesions on serial coronary CT scans in the VIA-2291
groups versus placebo at 24 Weeks
Plaque volume (mm3)
-5
-3
-1
1
3
5
7
Placebo All VIA-22910
5
10
15
20
25
30
Placebo All VIA-2291
Pts with new plaques (%)
p < 0.01 p < 0.01
Tardif et al. Circulation Cardiovasc Imaging 2010;3:298-307
37
1
2
3
4
5
6
7
Predose 8 hr 16 hr 24 hr 48 hr 54 hr Day 14 Day 28
Placebo
5 µg/kg Dose
15 µg/kg Dose
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
Predose 8 hr 16 hr 24 hr 48 hr 54 hr Day 14 Day 28
Placebo
5 µg/kg Dose
15 µg/kg Dose
Dose-dependent reduction in biomarkers of cardiac damage observed in the first 24 hours
VT VT VTVT VT VT
=statistically significant (p<0.05 vs control) VT = timing of doses
Tro
po
nin
I (n
g/m
l)
CK
-MB
(n
g/m
l)
Troponin I: Adjusted Geometric Mean CK-MB: Adjusted Geometric Mean
Serp-1 Phase 2a Results: Myocardial Enzymes
Tardif et al. Circulation Cardiovasc Interventions 2010 (in press)
Mortality by resting heart rateMortality by resting heart rate
Adjusted for age, gender, hypertension, diabetes, smoking, NDCV, ejection fraction, recreational activity, medications including -blockers, plus BMI for CV mortalityAdjusted for age, gender, hypertension, diabetes, smoking, NDCV, ejection fraction, recreational activity, medications including -blockers, plus BMI for CV mortality
Overall mortalityOverall mortality CV mortalityCV mortality
1.01.0
0.90.9
0.80.8
0.70.7
0.60.6
0.50.5
00 55 1010 1515 2020Years after enrolmentYears after enrolment
Cu
mul
ativ
e su
rviv
alC
um
ulat
ive
surv
ival
1.01.0
0.90.9
0.80.8
0.70.7
0.60.6
0.50.5
00 55 1010 1515 2020Years after enrolmentYears after enrolment
62 bpm63 - 70 bpm71 - 76 bpm77 - 82 bpm≥ 83 bpm
RHR in quintiles
Diaz A, Bourassa MG, Guertin MC, Tardif JC. Eur Heart J 2005; 26: 967-74Diaz A, Bourassa MG, Guertin MC, Tardif JC. Eur Heart J 2005; 26: 967-74
WT
DL
DL + IVA
100100
8080
6060
4040
2020
00
9090
7070
5050
3030
1010
WT
DL
DL + IVA
Dila
tion
(% o
f max
imal
dila
tion)
Dila
tion
(% o
f max
imal
dila
tion)
6060
00
5050
4040
3030
2020
1010
Dila
tion
(% o
f max
imal
dila
tion)
Dila
tion
(% o
f max
imal
dila
tion)
0.0010.001 0.010.01 0.10.1 11 1010
ACh (M)ACh (M)
0.00010.0001 0.0010.001 0.010.01 0.10.1 11 1010
ACh (M)ACh (M)
*
#
‡
#
‡
Emax: ‡ P < 0.05 vs. to WT; # P < 0.05 vs. to DLEmax: ‡ P < 0.05 vs. to WT; # P < 0.05 vs. to DL pD2: * P < 0.05 vs. WT and DLpD2: * P < 0.05 vs. WT and DL
RENALRENAL CEREBRALCEREBRAL
Drouin et al. Br J Pharmacol. 2008;154:749-757.
Wild type
Dyslipidemia
DL+Ivabradine
Wild type
Dyslipidemia
DL+Ivabradine
Ivabradine prevents endothelial dysfunction Ivabradine prevents endothelial dysfunction associated with dyslipidemia in miceassociated with dyslipidemia in mice
*
#
‡
#
‡
TED at trough of drug activityTED at trough of drug activityIvabradine vs atenololIvabradine vs atenolol
Equivalence interval Equivalence interval- 35 sec- 35 sec + 35 sec+ 35 sec00
IVA 5 mg bidvs ATE 50 mg od
at M1
IVA 5 mg bidvs ATE 50 mg od
at M1
595286595286
IVA 7.5 mg bidvs ATE 100 mg od
at M4
IVA 7.5 mg bidvs ATE 100 mg od
at M4
300286300286
IVA 10 mg bidvs ATE 100 mg od
at M4
IVA 10 mg bidvs ATE 100 mg od
at M4
298286298286
nn Favors ATEFavors ATE Favors IVAFavors IVA
6.7 (-7.4; 20.8)p < 0.0001
6.7 (-7.4; 20.8)p < 0.0001
10.3 (-8.3; 28.8)p < 0.0001
10.3 (-8.3; 28.8)p < 0.0001
15.7 (-2.9; 34.3)p < 0.0001
15.7 (-2.9; 34.3)p < 0.0001
E (95% CI)P for non inferiority
E (95% CI)P for non inferiority
Tardif JC et al. Eur Heart J 2005; 26:2529-36Tardif JC et al. Eur Heart J 2005; 26:2529-36
INITIATIVE
Ivabradine + atenolol
Placebo + atenolol
0
10
20
30
40
50
60
Total exercise durationTotal exercise duration Time to limiting angina
Time to limiting angina
Time to angina onsetTime to angina onset Time to 1mm ST segment depression
Time to 1mm ST segment depression
Cha
nge
in E
TT
cri t
eri a
* (
s )
at 4
mo n
ths
P<0.001P<0.001 P<0.001P<0.001
P<0.001P<0.001 P<0.001P<0.001
Ivabradine increases all ETT parameters in patients already receiving beta-blockers
*Evaluated at trough of drug activity
889 stable angina patients, 20 countries
Tardif JC, et al. Eur Heart J. 2009;30:540-548.
Effect of Ivabradine on hospitalisationEffect of Ivabradine on hospitalisationfor fatal and non-fatal MI for fatal and non-fatal MI (HR (HR ≥≥ 70 bpm) 70 bpm)
Placebo
IvabradineIvabradine
P = 0.001
Hazard ratio = 0.64 (0.49 – 0.84)
RR = -36%
Years
0.5 1 1.5 2
% with hospitalisation for fatal and non-fatal MI
00
8
0
4
6
2
Lancet Online August 31, 2008.
43
0 6 12 18 24 30
40
30
20
10
0
Primary composite endpoint (CV death or hospital admission for worsening HF)
18%
Cumulative frequency (%)Cumulative frequency (%)Cumulative frequency (%)Cumulative frequency (%)
Placebo
Ivabradine
HR = 0.82 (0.75–0.90) P < 0.0001
Swedberg K, et al. Lancet. 2010;online August 29.MonthsMonths
Ivabradine Starting dose 7.5 mg bid
Placebo bid
Run in2 - 4 weeks
M006M003M000 Every 6 months
Target HR: 55-60 bpm
MethodsEvents: 4.5% per year in the placebo group 1070 primary composite endpoints (cardiovascular death and non fatal MI N = 11 330, mean follow up = 2.5 years; RRR = 18%, α bilateral 5%, power 90%
PopulationOutpatients with stable CAD without LVSD (EF > 40%) or clinical signs of HF, with appropriate CV medication
Canadian Atherosclerosis Imaging Network“Hearts and Minds”
Canadian Atherosclerosis Imaging Network“Hearts and Minds”
Stems from CIHR’s 2007 consensus conference on imaging
Five-year (2008-2013) 10M$ operating grant from CIHR
Infrastructure grant 25M$ from CFI in June 2009
Unique network combining in vivo imaging of vessel wall disease, end-organ disease, clinical and pathological endpoints
Enables cross-sectional and longitudinal clinical studies of coronary, carotid and peripheral vascular beds
International resource for studying the natural history of atherosclerosis and novel therapeutic interventions
Stems from CIHR’s 2007 consensus conference on imaging
Five-year (2008-2013) 10M$ operating grant from CIHR
Infrastructure grant 25M$ from CFI in June 2009
Unique network combining in vivo imaging of vessel wall disease, end-organ disease, clinical and pathological endpoints
Enables cross-sectional and longitudinal clinical studies of coronary, carotid and peripheral vascular beds
International resource for studying the natural history of atherosclerosis and novel therapeutic interventions
Canadian Atherosclerosis Imaging NetworkCanadian Atherosclerosis Imaging Network
Imaging Core Analysis Laboratories (vascular)
IVUS, 3-D US, QCA, MDCT, MRI, PET/CT, SPECT
Imaging Core Analysis Laboratories (end-organ)
Pan-canadian network of 45 partner sites
Data coordinating and image repository center (MHICC)
Genetic, pharmacogenomic and biomarker biobanks
Proteomic and metabolomic analyses
Tissue samples
CAIN – one imaging network for one entire countryCAIN – one imaging network for one entire country
CAIN
Research themes
CAIN
Research themes
Vascular biology of atherosclerotic plaque
Vascular imaging technology development and assessment
Translation to clinical research and clinical practice
Vascular biology of atherosclerotic plaque
Vascular imaging technology development and assessment
Translation to clinical research and clinical practice
Hearts and
Minds
Canadian Atherosclerosis Imaging Network1- Vascular Biology of Atherosclerotic PlaqueCanadian Atherosclerosis Imaging Network
1- Vascular Biology of Atherosclerotic Plaque
Assess natural history of the plaque from 3 time points (MRI): Plaque initiation, progression and complication
Evaluate inflammation, neovascularization and hemorrhage
Determine the role of stimuli such as Db and hyperlipidemia
Study the genetics of atheroma
Assess the role of hypertension, hemodynamics and the interaction with blood constituents at the site of plaque rupture
Assess natural history of the plaque from 3 time points (MRI): Plaque initiation, progression and complication
Evaluate inflammation, neovascularization and hemorrhage
Determine the role of stimuli such as Db and hyperlipidemia
Study the genetics of atheroma
Assess the role of hypertension, hemodynamics and the interaction with blood constituents at the site of plaque rupture
Canadian Atherosclerosis Imaging Network2- Vascular Imaging Technology
Development and Assessment
Canadian Atherosclerosis Imaging Network2- Vascular Imaging Technology
Development and Assessment
Validation of developing technologies through quantitative histological examination of surgical specimens
Includes: Carotid ultrasound - surface morphology, plaque vulnerability
and plaque volume 18FDG-PET – metabolic activity and inflammation Ultrasound microbubbles – plaque neovascularity
Validation of developing technologies through quantitative histological examination of surgical specimens
Includes: Carotid ultrasound - surface morphology, plaque vulnerability
and plaque volume 18FDG-PET – metabolic activity and inflammation Ultrasound microbubbles – plaque neovascularity
Canadian Atherosclerosis Imaging Network3- Translation to Clinical Research/PracticeCanadian Atherosclerosis Imaging Network3- Translation to Clinical Research/Practice
Correlation of coronary and carotid atherosclerosis and their changes over time and links with clinical outcomes 2000 patients undergoing coronary angiography, IVUS (with
virtual histology) and carotid ultrasound (IMT and plaques) at baseline and 24 months
5-year follow-up for cardio/cerebrovascular events NIRS, PET/CT, MRI and microvascular substudies Genomic (including miRNAs) and biomarker biobanks Proteomic and metabolomic analyses
Application of this knowledge and framework in clinical trials of novel anti-atherosclerotic agents
Correlation of coronary and carotid atherosclerosis and their changes over time and links with clinical outcomes 2000 patients undergoing coronary angiography, IVUS (with
virtual histology) and carotid ultrasound (IMT and plaques) at baseline and 24 months
5-year follow-up for cardio/cerebrovascular events NIRS, PET/CT, MRI and microvascular substudies Genomic (including miRNAs) and biomarker biobanks Proteomic and metabolomic analyses
Application of this knowledge and framework in clinical trials of novel anti-atherosclerotic agents
Canadian Atherosclerosis Imaging NetworkCanadian Atherosclerosis Imaging Network
www.canadianimagingnetwork.org
CAIN – one imaging network for one entire countryCAIN – one imaging network for one entire country
52
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