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High genetic risk score is associated with early disease onset, damage accrual and decreased survival in systemic lupus erythematosus.

ABSTRACT: OBJECTIVES:To investigate associations between a high genetic disease risk and disease severity in patients with systemic lupus erythematosus (SLE). METHODS:Patients with SLE (n=1001, discovery cohort and n=5524, replication cohort) and healthy controls (n=2802?and n=9859) were genotyped using a 200K Immunochip single nucleotide polymorphism array. A genetic risk score (GRS) was assigned to each individual based on 57 SLE risk loci. RESULTS:SLE was more prevalent in the high, compared with the low, GRS-quartile (OR 12.32 (9.53 to 15.71), p=7.9×10-86?and OR 7.48 (6.73 to 8.32), p=2.2×10-304 for the discovery and the replication cohorts, respectively). In the discovery cohort, patients in the high GRS-quartile had a 6-year earlier mean disease onset (HR 1.47 (1.22 to 1.75), p=4.3×10-5), displayed higher prevalence of damage accrual (OR 1.47 (1.06 to 2.04), p=2.0×10-2), renal disorder (OR 2.22 (1.50 to 3.27), p=5.9×10-5), anti-dsDNA (OR 1.83 (1.19 to 2.81), p=6.1×10-3), end-stage renal disease (ESRD) (OR 5.58 (1.50 to 20.79), p=1.0×10-2), proliferative nephritis (OR 2.42 (1.30 to 4.49), p=5.1×10-3), anti-cardiolipin-IgG (OR 1.89 (1.13 to 3.18), p=1.6×10-2), anti-?2-glycoprotein-I-IgG (OR 2.29 (1.29 to 4.06), p=4.8×10-3) and positive lupus anticoagulant test (OR 2.12 (1.16 to 3.89), p=1.5×10-2) compared with patients in the low GRS-quartile. Survival analysis showed earlier onset of the first organ damage (HR 1.51 (1.04 to 2.25), p=3.7×10-2), first cardiovascular event (HR 1.65 (1.03 to 2.64), p=2.6×10-2), nephritis (HR 2.53 (1.72 to 3.71), p=9.6×10-7), ESRD (HR 6.78 (1.78 to 26.86), p=6.5×10-3) and decreased overall survival (HR 1.83 (1.02 to 3.30), p=4.3×10-2) in high to low quartile comparison. CONCLUSIONS:A high GRS is associated with increased risk of organ damage, renal dysfunction and all-cause mortality. Our results indicate that genetic profiling may be useful for predicting outcomes in patients with SLE.

SUBMITTER: Reid S

PROVIDER: S-EPMC7034364 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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High genetic risk score is associated with early disease onset, damage accrual and decreased survival in systemic lupus erythematosus.

Reid Sarah S Alexsson Andrei A Frodlund Martina M Morris David D Sandling Johanna K JK Bolin Karin K Svenungsson Elisabet E Jönsen Andreas A Bengtsson Christine C Gunnarsson Iva I Illescas Rodriguez Vera V Bengtsson Anders A Arve Sabine S Rantapää-Dahlqvist Solbritt S Eloranta Maija-Leena ML Syvänen Ann-Christine AC Sjöwall Christopher C Vyse Timothy James TJ Rönnblom Lars L Leonard Dag D

Annals of the rheumatic diseases 20191211 3

<h4>Objectives</h4>To investigate associations between a high genetic disease risk and disease severity in patients with systemic lupus erythematosus (SLE).<h4>Methods</h4>Patients with SLE (n=1001, discovery cohort and n=5524, replication cohort) and healthy controls (n=2802 and n=9859) were genotyped using a 200K Immunochip single nucleotide polymorphism array. A genetic risk score (GRS) was assigned to each individual based on 57 SLE risk loci.<h4>Results</h4>SLE was more prevalent in the hig ...[more]

PMID: 31826855

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Project description:ObjectiveTo determine the independent impact of different definitions of remission and low disease activity (LDA) on damage accrual.MethodsPatients with ≥2 annual assessments from a longitudinal multinational inception lupus cohort were studied. Five mutually exclusive disease activity states were defined: remission off-treatment: clinical Systemic Lupus Erythematosus Disease Activity Index (cSLEDAI)-2K=0, without prednisone or immunosuppressants; remission on-treatment: cSLEDAI-2K score=0, prednisone ≤5 mg/day and/or maintenance immunosuppressants; low disease activity Toronto cohort (LDA-TC): cSLEDAI-2K score of ≤2, without prednisone or immunosuppressants; modified lupus low disease activity (mLLDAS): Systemic Lupus Erythematosus Disease Activity Index-2K score of 4 with no activity in major organ/systems, no new disease activity, prednisone ≤7.5 mg/day and/or maintenance immunosuppressants; active: all remaining visits. Only the most stringent definition was used per visit. Antimalarials were allowed in all. The proportion of time that patients were in a specific state at each visit since cohort entry was determined. Damage accrual was ascertained with the Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index (SDI). Univariable and multivariable generalised estimated equation negative binomial regression models were used. Time-dependent covariates were determined at the same annual visit as the disease activity state but the SDI at the subsequent visit.ResultsThere were 1652 patients, 1464 (88.6%) female, mean age at diagnosis 34.2 (SD 13.4) years and mean follow-up time of 7.7 (SD 4.8) years. Being in remission off-treatment, remission on-treatment, LDA-TC and mLLDAS (per 25% increase) were each associated with a lower probability of damage accrual (remission off-treatment: incidence rate ratio (IRR)=0.75, 95% CI 0.70 to 0.81; remission on-treatment: IRR=0.68, 95% CI 0.62 to 0.75; LDA: IRR=0.79, 95% CI 0.68 to 0.92; and mLLDAS: IRR=0.76, 95% CI 0.65 to 0.89)).ConclusionsRemission on-treatment and off-treatment, LDA-TC and mLLDAS were associated with less damage accrual, even adjusting for possible confounders and effect modifiers.

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High genetic risk score is associated with early disease onset, damage accrual and decreased survival in systemic lupus erythematosus.

Publications

High genetic risk score is associated with early disease onset, damage accrual and decreased survival in systemic lupus erythematosus.

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