From the Guidelines
The treatment approach for patients with both Antiphospholipid Syndrome (APS) and Systemic Lupus Erythematosus (SLE) should prioritize anticoagulation therapy with warfarin (target INR 2.0-3.0) for thrombotic APS, along with low-dose aspirin (81-100 mg daily) for primary prevention in high-risk patients, and hydroxychloroquine (200-400 mg daily) as the foundation for SLE management. This approach is based on the most recent and highest quality study available, which emphasizes the importance of anticoagulation in preventing thromboembolic events in patients with APS and SLE 1. The use of direct oral anticoagulants is not recommended due to their inferiority to warfarin in preventing thromboembolic events in this setting 1. Key considerations in the management of APS and SLE include:
- Anticoagulation therapy with warfarin for thrombotic APS
- Low-dose aspirin for primary prevention in high-risk patients
- Hydroxychloroquine as the foundation for SLE management
- Immunosuppressive therapy as needed for organ involvement
- Special considerations during pregnancy, including continuing hydroxychloroquine and using low-molecular-weight heparin plus low-dose aspirin for thromboprophylaxis Regular laboratory monitoring is essential to prevent both thrombotic events and autoimmune flares, including complete blood counts, renal and liver function tests, complement levels, anti-dsDNA antibodies, and appropriate coagulation studies 1. It is crucial to balance anticoagulation and immunosuppression to minimize the risk of morbidity, mortality, and compromised quality of life in patients with APS and SLE.
From the Research
Treatment Approach for APS and SLE
The treatment approach for patients with Antiphospholipid Syndrome (APS) and Systemic Lupus Erythematosus (SLE) involves several considerations, including:
- The use of anticoagulation to prevent recurrent thrombosis or aspirin and sometimes heparin to prevent pregnancy loss 2
- The assessment of cardiovascular risk and antiphospholipid antibody (aPL) profile, which is paramount in SLE patients 3
- The use of direct oral anticoagulants (DOACs) for venous thromboembolism (VTE) in selected patients with SLE and/or APS 3
- The consideration of low-dose aspirin and hydroxychloroquine as primary prophylaxis for patients with SLE and APS/aPL 4
- The potentiation of prophylaxis with low molecular weight heparin in high-risk situations, such as surgery, prolonged immobilization, and puerperium 4
Management of APS in SLE Patients
The management of APS in patients with SLE should include:
- Accurate stratification of vascular risk factors 4
- The use of warfarin, heparin, and/or antiplatelet drugs as the standard of care for aPL-positive patients 5
- The consideration of novel approaches, such as statins, hydroxychloroquine, and B-cell inhibition, as adjunctive treatments in refractory cases 5
- The potential use of complement and mammalian targets of rapamycin complex pathway inhibition as promising targets in APS 5
Challenges and Future Directions
The treatment of patients with APS and SLE poses several challenges, including: