Epidemiological multinational (Russia, Ukraine and Kazakhstan), retrospective observational study to evaluate medical, economic and social factors in patients with systemic lupus erythematosus in heading rheumatologic centersESSENCE

Prevalence/Incidence Study: Prevalent SLE patient:

• Diagnosis of SLE (according to ACR criteria or clinical judgment) before 31 Dec 2010;
• Resident in the target city/ region on 31 Dec 2010 according to clinical records;
• Were alive on 31 Dec 2010 (not deceased) according to clinical records. Incident SLE patient:
• New diagnosis of SLE (according to ACR criteria or clinical judgement) between 1 Jan 2010 and 31 Dec 2010;
• Resident in the target city/ region at date of diagnosis in 2010 according to clinical records. Note: Those meeting the Incident SLE patient criteria may also meet the Prevalent SLE patient criteria if resident and alive on 31 Dec 2010 Standard of Care Study:
• Age ≥ 18 before 01 Jan 2010;
• Patient’s or patient’s representative’s verbal voluntary informed consent (see Section 7.1);
• Established diagnosis of SLE (according to ACR criteria or clinical judgment) before 31 Dec 2010;
• At least one visit to the investigational center, inpatient or outpatient, recorded in medical documentation from 01 Jan 2010 to 31 Dec 2010;
• Investigational center is patient’s primary place for SLE care
• Autoantibody positive disease (ANA and/or anti-ds-DNA positive test) at or prior to the last clinic visit in 2010
• Resident in or outside the target city/ region for any period in 2010 according to clinical records.
• Not involved in any clinical trial in the period from 01 Jan 2010 to 31 Dec 2010

Prevalence/Incidence Study and Standard of Care Study:

• Miscoded diagnoses and drug-induced lupus