Clinical trial NCT04950218: Prevalence and Risk Factors AsSOciated with CArdiac ComorbiDIty in PsoriAsis
Official title: PSOCADIA: Prevalence and Risk Factors AsSOciated with CArdiac ComorbiDIty in PsoriAsis
Study type: OBSERVATIONAL
Overall status: RECRUITING
Conditions: Psoriasis
Cardiovascular Diseases
Cardiovascular Risk Factor
Cardiovascular Pathology
Psoriasis Vulgaris
Psoriatic Nail
Psoriasis Face
Psoriasis Guttate
Psoriasis Gyrata
Psoriasis Diffusa
Psoriasis Palmaris
Psoriasis Annularis
Psoriasis Circinata
Psoriasis Plantaris
Psoriasis Universalis
Psoriasis Geographica
Left Ventricular Dysfunction
Myocardial Infarction
Myocardial Ischemia
Heart Failure
Stroke
Heart Diseases
Heart Failure, Systolic
Heart Failure, Diastolic
Keywords: Psoriasis
Echocardiography
Advanced echocardiography
Biomarkers
Mortality
Cardiovascular mortality
Lead sponsor: Herlev and Gentofte Hospital
Sponsor class: OTHER
First posted: 2021-07-06
Enrollment: 1000
Sex: ALL
Minimum age (years): 18
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Observational model: COHORT
Time perspective: PROSPECTIVE
Sampling method: PROBABILITY_SAMPLE
Study population: Psoriasis patients will be recruited prospectively from the Outpatient Clinic, Department of Dermato- Allergology, Herlev and Gentofte University Hospital, and Bispebjerg \& Frederiksberg Hospital, Denmark. Eligible psoriasis patients will be identified from the daily outpatient program, at the Department of Dermato-Allergology. As most outpatient clinic psoriasis is classified as moderate to severe, in order to approximate a random sample as accurate as possible including patients with mild psoriasis, all people with a diagnosis of psoriasis will a general invitation to participate in the study through appropriate channels such as the Danish Psoriasis Foundation's newsletter.

Brief summary: In a prospective cohort study (n = 1.000), the investigators aim to investigate the correlation between cardiac biomarkers and advanced echocardiography and determine whether these are prognostic markers of heart disease in patients suffering from psoriasis.

Detailed description: Cardiovascular disease (CVD) is mainly caused by atherosclerosis, now considered as a chronic inflammatory disease of blood vessels. Likewise, psoriasis is a chronic and relapsing, inflammatory, immune mediated disease. Atherosclerosis and psoriasis therefore share several pathophysiological traits. Previous epidemiological studies have demonstrated a high prevalence of cardiovascular (CV) risk factors in psoriasis patients, including metabolic syndrome, cigarette smoking, obesity, hypertension, diabetes mellitus, insulin resistance and dyslipidemia(1-11). Furthermore, studies suggest that psoriasis may be an independent risk factor for cardiovascular disease such as myocardial infarction(12-15), coronary artery disease(9, 16, 17), stroke(18-20) and cardiovascular mortality(18, 21, 22). In addition, psoriasis is associated with surrogate markers of cardiovascular disease and increased platelet activity, e.g. endothelial dysfunction and coronary calcification.

The fundamental role of inflammation in cardiovascular disease has prompted interest in the predictive capability of numerous biomarkers such as hsCRP, hsTNT, suPAR and pro-BNP that detect subclinical levels of inflammation. Hence, these inflammatory biomarkers might be able to reveal a pro-inflammatory disease state that represent a significant risk of CVD. Likewise, novel myocardial deformation imaging echocardiography, such as Tissue Doppler Imaging (TDI) and 2-dimensional speckle tracking echocardiography (2DSE), have been able to demonstrate subtle signs of myocardial dysfunction in high risk persons from the general population despite a normal convention echocardiography(24-26). These advanced echocardiographic techniques are able to detect asymptomatic reduced left ventricular function, which is not visible by the naked eye. Early identification of this group of patients is of utmost importance in order to initiate appropriate treatment in attempt to minimize further left ventricular damage and ensure better quality of life.

By evaluating biomarkers and advanced echocardiography in a prospective study setting it might be possible to establish the prevalence of cardiac dysfunction and disease in patients with psoriasis and to identify patients who have miniscule signs of cardiac dysfunction and therefore are in high risk of future fulminant cardiovascular disease.

Population

PSOCADIA is a prospective cohort study consisting of a random sample of 1.000 consecutive patients from a population of outpatients with psoriasis and a control group.

Psoriasis patients will be recruited prospectively from the Outpatient Clinic, Department of Dermato- Allergology, Herlev and Gentofte University Hospital, and Bispebjerg \& Frederiksberg University Hospital, Denmark.

* Inclusion criteria: In order to approximate a random sample as accurate as possible all patients 18 years or older with a diagnosis of psoriasis will be invited to participate.
* Exclusion criteria: Patients not able to cooperate to the study and patients unable understand and sign informed consent will be excluded from the study.

Eligible psoriasis patients will be identified from the daily outpatient program, at the Department of Dermato-Allergology, that is the department will provide the patient's contact information to the project group.

As most outpatient clinic psoriasis is classified as moderate to severe, in order to approximate a random sample as accurate as possible including patients with mild psoriasis, all people with a diagnosis of psoriasis will a general invitation to participate in the study through appropriate channels such as the Danish Psoriasis Foundation's newsletter.

The control group will consist of a retrospective random sample of around 1.000 patients from the general population examined in the 4th and 5th Copenhagen City Heart Study.

Medical history at baseline

In order to adjust for potential confounders, information about medical history at baseline will be obtained.

Patients agreeing to participate will return a questionnaire with general information as well as information on psoriasis and possible prior heart disease. Questionnaire information will include medication, psoriasis duration, previous history of CVD, symptoms of heart disease, history of hypertension, hypercholesterolemia, family history of heart disease, alcohol consumption, smoking habits and exercise habits. Data will be cross referenced to information drawn from the electronic medical records in Sundhedsplatformen/Epic and will include data on health conditions including symptoms, risk factors, medication, prior assessments, blood tests and procedures relevant to psoriasis and potential heart disease.

Diagnoses and/or medical history obtained from medical records will include:

* Psoriasis
* Stroke
* Chronic obstructive lung disease (COLD)
* Periferal artery disease (PAD)
* Atrial fibrillation/atrial flutter and/or other cardiac arrythmias
* Pacemaker
* Diabetes type 1 and type 2
* Kidney disease
* Hypertension
* Hypercholesterolemia
* Valvular disease (mitral, aortic, tricuspid and pulmonic valve disease)
* Previous heart surgery
* Ischemic heart disease including non-invasive ischemic imaging results, prior MI, prior revascularization and/or CABG
* Heart failure
* Sleep apnea
* Thyroid disease or other metabolic disease

Data concerning medication will be obtained from The Danish National Prescription Registry.

All included participants will undergo a compressive physical examination by a dermatologist. The examination will be performed at inclusion and prior to echocardiographic examination and contain the following:

* Assessment severity of the psoriasis by the psoriasis area
* Determination of severity index (PASI)
* Dermatology Life Quality Index (DLQI)

Other data collected at inclusion consult:

* Blood pressure
* ECG
* Body mass index

Blood samples, biomarkers and biobank

Blood samples will be withdrawn by one of the study responsible physicians and sent for immediate analysis. A total of approximately 30 ml blood will be withdrawn. Immediate analyzes include:

* Hemoglobin A1c (HbA1c), hemoglobin level, fasting plasma glucose, ALAT, cholesterol, triglyceride levels, creatinine, potassium, sodium, TSH
* Specific biomarkers: HsCRP , hsTNT and proBNP

All analyzes will be performed immediately after blood withdrawal and potential left over biological material will be destroyed within 24 hours If separate consent is given, additional blood samples will be drawn and saved in a separate biobank for future research purposes.

GE Vingmed Ultrasound's Vivid9 (Horten, Norway) will be used to perform all echocardiograms. All subjects are examined with color TDI, 2-dimensional and M-mode echocardiography, conventional spectral Doppler, 2D speckle tracking and - where possible - 3D Echocardiography in the left lateral decubitus position.

Follow-up and outcome

Follow-up will be performed at 2, 5 and 10 years, starting with 2021 for the prospectively included patients and starting with inclusion date for the control group, respectively. Follow-up will consist of data collection on mortality using the personal identification number in the Central Office of Civil Registration. Further more, data on hospitalizations will be obtained from the highly validated Danish National Board of Health's Danish National Patient Registry and data on causes of death will be obtained from The Danish Register of Causes of Death. Follow-up data collection has been approved by The Danish Data Protection Agency (P- 2020-505).

* Primary outcomes: Cardiovascular mortality, myocardial infarction, revascularization (percutaneous coronary intervention/coronary artery bypass graft)
* Secondary outcomes: All-cause mortality, admission with cardiac heart failure (CHF) and admission with stroke

Data management and statistics

All data will be stored in a password-protected electronic research database, REDCap, The Capital Region of Denmark's electronic data system. Patient questionnairs, signed consent forms and other sensitive dociments will be kept in a locked archive in a locked office at the Department of Cardiology, Herlev \& Gentofte Hospital. Approval by the Danish Data Protection Agency will be obtained and all data will be handled confidentially according to Danish law.

Baseline characteristics across the primary endpoints will be compared with trend tests using linear regression for continuous Gaussian distributed variables, by an extension of the Wilcoxon rank-sum test fir continuous Gaussian distributed variables and by chi-square test for trend for proportions. Rates of all events will be calculated as the number of events divided by person-time at risk and stratified according to the primary endpoints. Hazard ratios (HR) will be calculated by Cox proportional hazards regression analysis. Harrell's C-statistics will be obtained from univariable Cox models. Non-Gaussian distributed continuous variables will be categorized as dichotomous variables. The assumptions of proportional haxards in the models will be tested based on the Schoenfeld residuals. Predictive models for predicting the risk of future heart disease will be constructed using logistic regression.

A p-value £ 0.05 in 2-sided test will be considered statistically significant. As the study cohort is observational, a sample size calculation was not performed. As previous studies has shown significant results with a sample size of around 1.000 patients, this is the chosen power estimate of the current study.

Project significance and impact

Unrecognized heart disease:

The prevalence of unrecognized heart disease in patients with psoriasis is unknown. This study will address the prevalence of asymptomatic reduced left ventricular ejection fraction and pathological left ventricular structure in a large random sample of outpatients with psoriasis. It is of utmost importance to identify this group in due time to be able to offer appropriate treatment in attempt to minimize further left ventricular damage.

In the course of follow-up, the investigators hope to provide evidence that myocardial deformation imaging in an otherwise normal conventional echocardiogram can identify patients with psoriasis at risk of developing heart failure and ischemic heart disease. This will, consequently, enable clinicians to encourage patients to life-style changes, stricter optimization of prophylactic medical therapy, perhaps periodical echocardiograms and referral of patients with very discrete symptoms to further examinations.

In addition, the investigators expect this study to provide valuable insight in the pathophysiology of deteriorating left ventricular function in psoriasis and assess the link between inflammatory disease, inflammatory biomarkers and the process of atherosclerosis.

Efficacy of existing and future biomarkers to detect heart disease:

A unique research biobank with blood samples from a well-described cohort of patients with psoriasis will be established. At present, the study will assess the use of existing biomarkers - as outlined - and examine their ability to 1) detect cardiac involvement and 2) provide prognostic information. Sufficient material will be stored with the purpose to examine future possible biomarkers and gene polymorphisms.

Eligibility criteria: Inclusion Criteria:

* Patients 18 years or older with a diagnosis of psoriasis will be invited to participate

Exclusion Criteria:

* Patients not able to cooperate to the study
* Patients unable understand and sign informed consent

Primary outcomes:
measure: Cardiovascular mortality
timeFrame: 2 year follow-up
measure: Cardiovascular mortality
timeFrame: 5 year follow-up
measure: Cardiovascular mortality
timeFrame: 10 year follow-up
measure: Myocardial infarction
timeFrame: 2 year follow up
measure: Myocardial infarction
timeFrame: 5 year follow up
measure: Myocardial infarction
timeFrame: 10 year follow up
measure: Coronary revascularization
timeFrame: 2 year follow up
measure: Coronary revascularization
timeFrame: 5 year follow up
measure: Coronary revascularization
timeFrame: 10 year follow up
Secondary outcomes:
measure: All-cause mortality
timeFrame: 2 year follow up
measure: All-cause mortality
timeFrame: 5 year follow up
measure: All-cause mortality
timeFrame: 10 year follow up
measure: Admission with cardiac heart failure (CHF)
timeFrame: 2 year follow up
measure: Admission with cardiac heart failure (CHF)
timeFrame: 5 year follow up
measure: Admission with cardiac heart failure (CHF)
timeFrame: 10 year follow up
measure: Admission with stroke
timeFrame: 2 year follow up
measure: Admission with stroke
timeFrame: 5 year follow up
measure: Admission with stroke
timeFrame: 10 year follow up
Other outcomes:
Locations:
city: Hellerup
country: Denmark
facility: Department of Cardiology, Herlev and Gentofte University Hospital, University of Copenhagen
state: Copenhagne
Study officials:
affiliation: Department of Cardiology, Herlev and Gentofte University Hospital, University of Copenhagen
name: Tor Biering-Sørensen, MD, PhD, MPH
role: STUDY_DIRECTOR
affiliation: Department of Dermato-Allergology, Herlev and Gentofte University Hospital, University of Copenhagen
name: Claus Zachariae, MD, DMSc
role: STUDY_DIRECTOR
affiliation: Department of Dermato-Allergology, Herlev and Gentofte University Hospital, University of Copenhagen
name: Lone Skov, MD, PhD, DMSc
role: STUDY_DIRECTOR
affiliation: Department of Cardiology, Herlev and Gentofte University Hospital, University of Copenhagen
name: Gunnar Gislason, MD, PhD
role: STUDY_DIRECTOR
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