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Combining hypertension and dyslipidemia treatments – Burnier MEDICOGRAPHIA, Vol 41, No. 3, 2019 105
H ypertension and dyslipidemia are the most prevalent cardiovascularrisk factors in adults. They often coexist in the same patient, resultingin a high or very high risk of developing cardiac, cerebral, or vascular
events due to accelerated atherosclerosis. Despite the availability of very ef-fective therapies to control either hypertension or dyslipidemia, and thus re-duce the global cardiovascular morbidity and mortality, neither hypertensionnor dyslipidemia are adequately controlled in populations. Today, still too manyindividuals are not aware of being hypertensive or dyslipidemic, and amongthose who are aware and treated, less than 50% attain the blood pressure(BP) or the low-density lipoprotein (LDL) levels recommended by internation-al guidelines. Among the many causes of insufficient BP and LDL control isa low adherence and persistence, often attributed to the complexity of pre-scribed regimens. To avoid these problems, the use of single-pill combinationsis strongly recommended for the treatment of hypertension and, to a certaindegree, for the management of dyslipidemia. This approach makes possiblethe simplification of therapy, the reduction in pill burden, and thus improve-ment in adherence and persistence. So far, most single-pill combinations ad-dress only one risk factor. There are, however, good arguments to encouragethe development of new single pills acting across diseases, such as the as-sociation of antihypertensive drugs and lipid-lowering agents in a single tablet.The first combination of this kind associated amlodipine and atorvastatin.Today, several pills combining one or two antihypertensive drugs and a statinhave become available. These combinations should make possible the ad-equate control of more patients with hypertension and dyslipidemia. Simul-taneously treating hypertension and dyslipidemia in patients at risk of cardio-vascular events might help support the observed decline in cardiovascularmortality.
Medicographia. 2019;41:105-111
Introduction
T ogether with smoking, diabetes, and obesity, arterial hypertension and dys-
lipidemia belong to the most prevalent risk factors for the occurrence of car-
diovascular diseases (CVD) in adults. Multiple epidemiological studies have
demonstrated that elevated blood pressure (BP) and high cholesterol levels are
the two major contributing risk factors for the development of myocardial infarc-
tion, heart failure, stroke, and vascular and renal complications. Hypertension and
dyslipidemia frequently coexist in the same patient, and the risk of cardiovascular
Address for correspondence:Prof M. Burnier, HypertensionResearch Foundation, Derrey leMotty 8, 1806 St-Légier – la Chiésaz,Switzerland(email: [email protected])
www.medicographia.com
C OM B I N E D A P P R O A C H F O R T H E T R E AT M E N T O F
H Y P E R T E N S I O N A N D D Y S L I P I D E M I A
European hypertension guide-lines recommend using single-pillcombinations as first-line therapyin order to reduce the pill burdenand to facilitate the patients’ dailydrug intake. In the last guidelinesfrom the United States, the recom-mendation is to dose antihyper-tensive medications once dailyrather than multiple times daily toimprove adherence, and to usecombination pills rather than freeindividual components to improveadherencetoantihypertensive ther-apy.”
‘‘ Why do we need acombined approach for thetreatment of hypertension
and dyslipidemia?
by M. Burnier, Swi tzer land
Michel BURNIER, MD, FASN Hypertension Research FoundationSt-Légier-la-Chiésaz SWITZERLAND
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MEDICOGRAPHIA, Vol 41, No. 3, 2019 Combining hypertension and dyslipidemia treatments – Burnier106
complications associated with concomi-
tant hypertension and dyslipidemia is
more multiplicative than just the addi-
tion of the risk of the individual factors.1-3
Today, the prevalence of the coexistence
of hypertension and dyslipidemia ranges
between 15% and 50% depending on
the studied populations and the presence of comorbidities.3
It is particularly high in the elderly.1 In this latter population,
dyslipidemia increases the CVD risk mainly in those patients
with a normal BP, whereas it has less impact on the incidence
of new cardiovascular events in those who are already hy-
pertensive.2
Evidence for a combined management of hypertension and dyslipidemiaLowering BP and cholesterol levels to recommended targets,
as shown in Table I, can reduce cardiovascular events by al-
most 50%.4 Therefore, most recent guidelines for the man-
agement of hypertension in adults recommend not only to
control BP but also to lower serum cholesterol with diet and/
or statins in line with the specific recommendations of the Eu-
ropean Society of Cardiology.5 The benefits of simultaneously
controlling BP and cholesterol levels have been clearly demon-
strated in the original publication of ASCOT (Anglo-Scandina-
vian Cardiac Outcomes Trial),6,7 a randomized controlled tri-
al performed in 19 342 men and women with hypertension,
which included a blood-pressure–lowering arm (BPLA) and
a lipid-lowering arm (LLA). Enrolled patients were aged 40 to
79 years and had at least three other cardiovascular risk fac-
tors than hypertension. In a subanalysis of this trial, atorvastatin
reduced the relative risk of coronary heart disease events by
53% (P<0.0001) among those allocated the amlodipine-perin-
dopril regimen, and by 16% (P, not significant) among those
allocated the atenolol-thiazide regimen (P=0.025 for hetero-
genicity).8 Of note, the rate of fatal myocardial infarction and
nonfatal coronary heart disease and the rate of fatal and non-
fatal stroke were reduced by 48% and 44% respectively in the
amlodipine + perindopril + statin group as compared with the
atenolol + thiazide + placebo group. Recently, the authors
of the trial reported the mortality of the patients in the United
Kingdom (UK) after 16 years of follow-up.9 Interestingly, the
benefits of simultaneous treatment of hypertension and dys-
lipidemia were still present even though the difference between
the two treatment strategies was not significantly different for
total death and cardiovascular deaths. However, there was a
significant difference in stroke death in favor of the amlodipine
group. In patients randomized to the LLA, significantly fewer
cardiovascular deaths (hazard ratio [HR], 0.85 [0.72-0.99];
P=0.0395) occurred among patients assigned to statin (865
deaths) than among those assigned placebo (903 deaths).
In patients not participating in the LLA, there were fewer car-
diovascular deaths (adjusted HR, 0.79 [0.67-0·93]; P=0.0046)
among those assigned to amlodipine-based treatment (745
deaths) than atenolol-based treatment (769 deaths). Thus,
the follow-up of this trial tends to confirm the earlier obser-
vations that both BP-lowering and lipid-lowering treatments
confer long-term cardiovascular benefits. Hence, these data
provide good rationale for combining antihypertensive and
lipid-lowering drugs, possibly in a single pill.
More recently, the results of the HOPE-3 trial (Heart Outcomes
Prevention Evaluation 3), conducted in persons at interme-
diate cardiovascular risk who did not have CVD and who had
SELECTED ABBREVIATIONS AND ACRONYMS
ACCOMPLISH Avoiding Cardiovascular events through COMbination therapy in Patients LIving withSystolic Hypertension
ALLHAT Antihypertensive and Lipid-Lowering treatmentto prevent Heart Attack Trial
ASCOT Anglo-Scandinavian Cardiac Outcomes Trial
BP blood pressure
CVD cardiovascular disease
EURIKA European Study on Cardiovascular Risk
EUROASPIRE III European Action on Secondary and Primary Prevention by Intervention to Reduce Events III
HOPE-3 Heart Outcomes Prevention Evaluation 3 (trial)
LDL-C low-density-lipoprotein cholesterol
PAPA-CAD Perindopril plus Amlodipine in PAtients withCoronary Artery Disease
PURE Prospective Urban Rural Epidemiology (study)
Blood-pressure target
The first objective of treatmentshould be to lower BP to <140/90
mm Hg.
Provided that the treatment is welltolerated, treated BP values should
be targeted to 130/80 mm Hg or
lower in most patients.
In patients <65 years, it is recom-
mended that systolic BP should be
lowered to a BP range of 120 to<130 mm Hg in most patients.
Lipid target
For patients at low-moderate cardiovas-cular risk, statins should be considered to
achieve an LDL-C value of <3.0 mmol/L.
For patients at high cardiovascular risk, statins are recommended to achieve an
LDL-C goal of <2.6 mmol/L, or a reduction
of >50% if the baseline LDL-C is 2.6-5.2
mmol/L.
For patients at very high cardiovascularrisk, statins are recommended to achieve
LDL-C levels of <1.8 mmol/L, or a reduc-
tion of ≥50% if the baseline LDL-C is 1.8-
3.5 mmol/L.
Table I. Target values for blood pressureand lipid control according to the 2018
ESC/ESH guidelines on hypertension man-agement in adults.
Abbreviations: BP, blood pressure; ESC, EuropeanSociety of Cardiology; ESH, European Societyof Hypertension; LDL-C, low-density-lipoprotein
cholesterol.After reference 4: Williams et al. J Hypertens.
2018;36(10):1953-2041. © 2018, Wolters KluwerHealth, Inc. All rights reserved.
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Combining hypertension and dyslipidemia treatments – Burnier MEDICOGRAPHIA, Vol 41, No. 3, 2019 107
a systolic BP of less than 160 mm Hg, further confirmed the
benefits of a combined management of hypertension and dys-
lipidemia as reported in ASCOT.10-12 HOPE-3 was a trial with
a 2-by-2 factorial design, in which 12 705 individuals with no
CVD were randomized to rosuvastatin (10 mg per day) or
placebo and to candesartan (16 mg per day) plus hydro-
chlorothiazide (12.5 mg per day) or placebo. The primary out-
come was the composite of death from cardiovascular caus-
es, nonfatal myocardial infarction, or nonfatal stroke. For the
secondary outcome, heart failure, cardiac arrest, or revascu-
larization were added. The study showed that rosuvastatin
reduced CVD by 26.5%, but that BP lowering (BP reduction
of 6/13 mm Hg) was only associated with a modest 7% rela-
tive risk reduction (RRR) in CVD. However, in a prespecified
subgroup analysis of those with SBP in the highest tertile (>143
mm Hg), there was a 27% RRR in CVD with BP lowering.
The failure of controlling hypertension and dyslipidemia in real lifeIn real life, however, the management of hypertension and dys-
lipidemia suffers from similar problems. Many individuals are
not aware that they have either an elevated BP or a high cho-
lesterol level or both, and among those who know their BP or
cholesterol levels, many are not treat-
ed. Furthermore, when treated, most
of them are not well controlled. In
the EUROASPIRE III survey (Euro-
pean Action on Secondary and Pri-
mary Prevention by Intervention to
Reduce Events III) performed in 2006
and 2007 in 76 centers from 22 Eu-
ropean countries, patients with a clin-
ical diagnosis of coronary heart dis-
ease were identified retrospectively
and then followed-up, interviewed,
and examined at least 6 months af-
ter their event. In this high cardiovas-
cular risk population, 56% had a BP
of 140/90 mm Hg or higher, and 51%
had a serum total cholesterol level
of 4.5 mmol/L or higher.13 However,
only 26.3% of patients using antihy-
pertensive medication had achieved
the BP goal, and 30.6% of patients
on lipid-lowering medication had
reached the total cholesterol goal.14
These figures improved in recent surveys but the rate of con-
trol of both hypertension and dyslipidemia remains globally
unsatisfactory.15 Other data come from the EURIKA survey
(European Study on Cardiovascular Risk), a study conducted
with 7641 outpatients aged at least 50 years, free of clinical
CVD and with at least one major CVD risk factor, selected from
12 European countries in 2009.16,17 In this study, among treat-
ed hypertensives (94.2%), only 38.8% achieved a BP of less
than 140/90 mm Hg, and among treated dyslipidemic patients
(74.4%), 41.2% attained both the total- and LDL-cholesterol
(LDL-C) targets of less than 5 mmol/L and less than 3 mmol/L,
respectively. In EUROASPIRE V, conducted in 27 European
countries, the most recent data show that 42% of patients
had a BP at or above 140/90 mm Hg (≥ 140/85 mm Hg if di-
abetic), 71% had LDL-C at or above 1.8 mmol/L (≥70 mg/dL),
and 29% reported having diabetes.18
The impact of low adherence and persistenceThe poor results measured today in population surveys can-
not be attributed to a lack of drug efficacy. It is well recog-
nized that there is a huge gap between what is observed in
clinical trials, in which BP can be controlled in up to 70% to
80% of patients, and what is observed in real life.19,20 Indeed,
in the ACCOMPLISH trial (Avoiding Cardiovascular events
through COMbination therapy in Patients LIving with Systolic
Hypertension), 74.5% of the patients reached a target BP of
less than 140/90 mm Hg,21 and in the ALLHAT study (Antihy-
pertensive and Lipid-Lowering treatment to prevent Heart At-
tack Trial), the BP target of less than140/90 mm Hg was ob-
tained in more than 60% of patients in all treatment groups.22
However, in the multinational PURE study (Prospective Urban
Rural Epidemiology), only a third of participants achieved BP
control.20 The same is true with lipid-lowering drugs and the
control of dyslipidemia. It is not drug efficacy that poses the
main problem but rather the noninitiation of drug therapy, the
high discontinuation rate, and the low adherence rate (Figure1).23 Indeed, in the United States (US), about one-fourth of hy-
pertensive or dyslipidemic patients never initiate their therapy,24
and close to 50% of them discontinue their treatment at one
time or another, mainly during the first year (about 25%).25,26 In
addition, recent data suggest that high adherence to therapy
Figure 1. Patterns of patient adherence to concomitant hypertension and lipid-loweringtherapy over 3 years. The index date was defined as the date concomitant therapy (ie, second drug) was initiated. Abbreviations: AH, antihypertensive; LL, lipid-lowering.After reference 23: Chapman et al. Arch Intern Med. 2005;165(10):1147-1152. © 2005, American Medical Association.
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MEDICOGRAPHIA, Vol 41, No. 3, 2019 Combining hypertension and dyslipidemia treatments – Burnier108
remains particularly low (around 36%
in 2014) in patients with dyslipidemia
who have not yet experienced a car-
diac event, whereas in patients ini-
tiating treatment after a myocardial
infarction, high adherence was ob-
served in 63.8% of patients.27 Data
suggest that discontinuing lipid-low-
ering treatments may have a major
negative impact on the development
of carotid plaques.28 Data from a
meta-analysis on 376 162 patients
from 20 studies assessing adherence
using prescription-refill frequency for
aspirin, statins, and antihypertensive
drug classes in primary and second-
ary prevention have shown that ad-
herence is below 60% for all drugs in primary prevention and
between 60% and 75% in secondary prevention.29 In a re-
cent survey among Swiss patients with type 2 diabetes and
chronic kidney disease managed by primary care physicians,
only 2.2% of the 1359 patients reached simultaneously the
therapeutic objectives for BP, blood glucose, and lipids, indi-
cating that much work is still needed (Figure 2).30
How to improve the control of hypertension anddyslipidemiaIn order to improve the management of cardiovascular risk
factors such as hypertension, dyslipidemia, or diabetes, re-
duction in the clinical impact of low adherence and persist-
ence has become an important topic of recently published
guidelines.4,31 Thus, European hypertension guidelines rec-
ommend using single-pill combinations as first-line therapy in
order to reduce the pill burden and to facilitate the patients’
daily drug intake.4 In the last guidelines from the US, the rec-
ommendation is to dose antihypertensive medications once
daily rather than multiple times daily to improve adherence,
and to use combination pills rather than free individual com-
ponents to improve adherence to antihypertensive therapy.31
This therapeutic strategy, which had been proposed in 2013
guidelines already, is now well established. Today, its imple-
mentation is favored by the development of many single-pill
combinations containing either two or three drugs belonging
to the antihypertensive classes recommended as first-line ther-
apy, ie, blockers of the renin-angiotensin system, diuretics, and
calcium channel blockers. In the field of dyslipidemia, the most
popular single-pill combination associates a statin and eze-
timibe.
Considering the fact that CVDs are multifactorial with vari-
ous risk factors existing simultaneously and the observation
that hypertension and dyslipidemia frequently coexist, com-
bining antihypertensive and lipid-lowering drugs in a single
tablet appears to be a reasonable therapeutic approach for
the primary or secondary prevention of CVD. This is the case,
for example, in hypertensive patients with a mild elevation of
serum cholesterol and hence a moderate-to-high CV risk. In-
Figure 2. (A) Mean blood pressure andnumber (%) of patients achieving bloodpressure goals according to guidelines
and to the stage of chronic kidneydisease (CKD 0-4) among patients withtype 2 diabetes managed by Swiss pri-
mary care physicians.
(B) Mean low-density lipoprotein-cholesterol levels and number (%) of
patients achieving goals in primary andsecondary prevention according to thestage of CKD 0-4, in the same patient
population. Abbreviations: ADA, American Diabetes
Association; BP, blood pressure; CKD, chronickidney disease; ESH, European Society ofHypertension; LDL, low-density lipoprotein.
After reference 30: Corcillo et al. Swiss MedWkly. 2017;147:w14459. © 2017, Creative
Commons License, https://creativecommons.org/licenses/ by-nc-nd/4.0/legalcode.
A
B
deed, as a principle, it appears more reasonable to reduce
the absolute risk of a future cardiovascular event than to tar-
get an individual risk factor. Based on the results of ASCOT,
the first drug combining an antihypertensive drug and a lipid-
lowering agent was a single pill associating amlodipine and
atorvastatin.32 In clinical studies, this single-pill combination
effectively reduced systolic BP and LDL-C levels, and enabled
more patients to achieve BP and LDL-C goals than single-
agent or placebo therapy.32 In addition, the combination of am-
lodipine with atorvastatin resulted in pharmacodynamic ef-
fects that were not observed with the individual components
or were at least less intensive. This includes improvements in
endothelium-dependent vasodilation, decreased levels of the
inflammatory marker serum C-reactive protein, improved in-
sulin sensitivity, and beneficial effects on atherosclerotic plaque
size and composition.32
Drug adherence to the amlodipine/atorvastatin single pill im-
proved significantly compared with free drugs, but the ame-
lioration in statin adherence appeared to be significant, main-
ly in those patients who were already adherent to atorvastatin
before starting the combination.33 In many countries, the suc-
cess of the single pill of amlodipine and atorvastatin was mit-
igated. Among reasons evoked by physicians for not prescrib-
ing this association, one can cite an unclear definition of the
target population, a lack of flexibility, and the cost. Moreover,
a monotherapy based on a calcium channel blocker does
not control BP in more than 40% of hypertensive patients.
Yet, this does not mean that the concept of combining anti-
hypertensive and lipid-lowering drugs should be abandoned.
It should rather be reconsidered in light of new hypertension
recommendations, avoiding, if possible, the usual criticisms
addressed to single-pill combinations.
Toward new single-pill combinationsAs mentioned previously, new European guidelines for the
treatment of hypertension in adults recommend starting all
new treatments with a dual therapy in a single pill, except in
low-risk grade 1 hypertension (SBP<150 mm Hg) or in very
old (≥80 years) or frail patients, where monotherapy may still
be used. Therefore, new single-pill combinations of antihy-
pertensive and lipid-lowering drugs should now associate at
least two first-line antihypertensive drug classes and one statin
in order to be able to control BP and lipid levels in about
60% of patients. The target population should be primarily
hypertensive patients in primary prevention with a mild to mod-
erate dyslipidemia that does not need high doses of statin but
whose BP can be lowered to target with a dual antihyperten-
sive therapy. Patients with hypertension and stable coronary
heart disease may be another target population. In this per-
spective, a triple combination associating perindopril, amlo-
dipine, and atorvastatin has been launched. This triple com-
bination may have clear advantages in terms of treatment
efficacy but also adherence34,35 and reduction in global cardio-
vascular risk. In a post hoc analysis of the PAPA-CAD non-
interventional trial (Hungarian Perindopril plus Amlodipine in
PAtients with Coronary Artery Disease), in which patients re-
ceived the fixed-dose combination of perindopril/amlodipine
and atorvastatin as a second drug, more patients achieved
BP targets, and metabolic parameters were improved.36
Benefits and risks of triple combinationsActually, besides the ability to improve drug adherence and
persistence, adding a statin to a dual antihypertensive ther-
apy might have additional benefits as discussed above. Thus,
studies have suggested that BP control is improved with
these associations, as observed in the Hungarian study.36 In-
deed, although the issue remains controversial, there is in-
creasing evidence of a positive interaction between statins
and antihypertensive drugs leading to a slightly greater de-
crease in BP when the two therapeutic approaches are com-
bined.37-39
A priori, through their positive impact on adherence and per-
sistence, single pills associating antihypertensive and lipid-
lowering drugs should have a major impact on the incidence
of cardiovascular events and on the cost-effectiveness of
treatments. Today, this has not been formally demonstrated
in prospective randomized trials, but post hoc analyses of
published studies suggest that this approach may indeed
be cost effective. A post hoc analysis of the ASCOT trial has
evaluated the cost effectiveness of the different strategies
applied in the trial.40
Using a Markov model, it appeared that the combination of
amlodipine-based therapy and atorvastatin is cost effective in
patients with hypertension and three or more additional risk
factors according to the UK or Swedish societal perspective.
Moreover, in patients who occasionally miss doses of anti-
hypertensives, modest differences in the rate of loss of an-
tihypertensive effect after treatment interruption may have a
clinically relevant impact on BP reduction and CVD risk.41
Are there any risks associated with the use of triple combi-
nations including antihypertensive and lipid-lowering drugs?
In theory, there should not be more side effects with a triple
combination than with three free drugs of the same com-
pounds, provided drugs are taken regularly as prescribed. A
frequent argument against single-pill combinations is that it
might be more difficult to attribute new side effects to the right
component of the combination. In fact, this is rarely the case
because the side effects of statins, amlodipine, and block-
ers of the renin-angiotensin system are well-known after more
than 20 years of use. Therefore, side effects are easily recog-
nized. The flexibility of the treatment, another potential con-
cern, can be improved with an adequate choice of dosing pos-
sibilities and defining a precise stepped-care approach, which
takes into account the need to control hypertension, as well
as dyslipidemia. One of the issues is probably linked to even-
tual discontinuations for any reasons. In that case, the pa-
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ConclusionThe majority of cardiovascular events occur in patients with
modest increases in BP and/or serum cholesterol in combi-
nation with other risk factors, such as smoking, diabetes,
and obesity. In the last 10 years, cardiovascular mortality has
decreased continuously in developed countries.42 The most
effective means of reducing CV risk and cardiovascular mor-
tality further is to manage simultaneously all risk factors. The
development of new, effective, and well-tolerated single pills
combining two antihypertensive classes and one lipid-low-
ering drug will provide additional opportunities to increase the
percentage of patients achieving their BP and LDL-C treat-
ment targets and thereby helps support the observed decline
in cardiovascular mortality. n
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C OM B I N E D A P P R O A C H F O R T H E T R E AT M E N T O F
H Y P E R T E N S I O N A N D D Y S L I P I D E M I A
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Keywords: adherence; blood pressure; interaction; lipid; persistence; single-pill combination; target