BElimumab corticoSteroids Sparing Treatment in Systemic Lupus Erythematosus

Study Overview
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Brief Summary
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BELIMUMAB, anti-BLyS human monoclonal antibody, is the first immunotherapy used for the treatment of systemic lupus erythematosus (SLE) which was licensed in 2011 in France. Currently, Belimumab is reimbursed for the treatment of active SLEwith autoantibody-positive after intolerant or initial failure of first-line traitment (anti malaria, non-steroidal anti-inflammatory drugs, glucocorticoids and/ou immunomodulatory agents). EUropean League Against Rheumatism (EULAR) suggest the following terminology of low dose when steroids are less than 7.5 mg/day (prednisone equivalent) because this dose range is often used for maintenance therapy for many rheumatic diseases requiring glucocorticoids and it is relatively few adverse effects. In patients with SLE, a significant proportion of the damage could be attributed to corticosteroid therapy, and this damage accumulated over time. Thanks to randomised and subgroups trials, post-hoc analysis , BELIMUMAB seems to be interesting in the maintain of lowest possible dose of glucocorticoids. However, these studies were not design with this aim, so it is impossible to conclude. Thus, BELIMUMAB seems to be very interesting treatment to redcuce glucocorticoids level. We conduce a multicentric French study in real-life settings, to assess the ability of belimumab to achieve low-dose of steroids.

Official Title
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BElimumab corticoSteroids Sparing Treatment in Systemic Lupus

Conditions
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SLE (Systemic Lupus)

Intervention / Treatment
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* Other: data record


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: person aged ≥ 18 years with SLE according to ACR/EULAR criteria 2019 started treatment by BELIMUMAB between 13 / July / 2011 to 13 / July / 2020 following in an hospital center in Poitiers, La Rochelle, Rochefort, Niort, Angoulême, Nantes, Rennes, Tours, Angers affiliate or beneficiary of a social security scheme Exclusion Criteria: Persons Under guardianship or curatorship or without civil law Pregnant and breastfeeding Persons who refused to participate Patients who stoppped BELIMUMAB before 6 months

Ages Eligible for Study
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Minimum Age: 18 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Arms and Interventions

| Intervention/Treatment |
| --- |
|Other: data record|data record|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| number of patients whith low dose of steroids at six months after BELIMUMAB | number of patients whith low dose of steroids at six months after BELIMUMAB | at six months after BELIMUMAB | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| number of patients whith low dose of steroids at 12, 18 and 24 months after BELIMUMAB | number of patients whith low dose of steroids at 12, 18 and 24 months after BELIMUMAB | 12, 18 and 24 months after BELIMUMAB | 
| cumulative dose of steroids at 6, 12, 18, 24 months | cumulative dose of steroids at 6, 12, 18, 24 months | 6, 12, 18, 24 months |