Guidelines

New EULAR lupus recommendations advise using biologics, tapering steroids


 

AT EULAR 2023

Lupus nephritis

Turning to what Dr. Boumpas described as the “reason you had all come here, and what you had been waiting for ... what’s changing with lupus nephritis?” he said.

Statement 8 describes initial therapy in active lupus nephritis. Dr. Boumpas said that low-dose, intravenous cyclophosphamide or mycophenolate should be considered, but also that belimumab or a calcineurin inhibitor (CNI) should be considered at the start. The changes were based on two successful phase 3 trials of belimumab and voclosporin, with belimumab being associated with a reduced flare rate and estimated glomerular filtration rate (eGFR).

“Changes from 2019 include that there is no distinction between classes III/IV and V, which is heretical,” he stressed. Belimumab and CNIs/voclosporin should be considered in all patents as an add-on therapy from the start. “Lupus nephritis has high morbidity, and it’s difficult to predict outcomes at the beginning, but there are clear benefits of add-on therapies. CNIs, although they can be used for all patients, might be more appropriate for membranous or nephrotic-range proteinuria.”

He went on to announce that the “million-dollar question” was whether to use belimumab or voclosporin (or other CNIs), and that this was “a question of gentle, compared with forceful, power and collateral damage.

“For me, voclosporin works very fast, but you worry about side effects, while belimumab is gentle and the response is sustained, preventing flares and organ damage,” he said, adding that “our expert panel discussions showed that nephrologists were more eager to support steroid-free regimens.”

Moving on to statement 9, Dr. Boumpas explained that after initial therapy and renal response, subsequent therapy should continue for at least 3 years. If treated with MMF alone or in combination with belimumab, then these drugs should continue. However, MMF should replace cyclophosphamide if the latter is used initially.

Regarding treat-to-target in lupus nephritis, he said that EULAR now advises to aim for a 25% drop in urine protein/creatinine ratio by 3 months, a 50% drop by 6 months, and a UPCR of less than 0.5-0.7, plus normal eGFR, by 12 months, Dr. Boumpas said.

Statement 10 advises considering high-dose intravenous cyclophosphamide in combination with pulse intravenous methylprednisolone for patients at high risk of renal failure.

Tapering drugs in sustained remission, managing antiphospholipid syndrome, giving immunizations

Statement 11 suggests to consider tapering immunosuppressive agents and glucocorticoids in patients achieving sustained remission, starting with glucocorticoids first.

There was no change to statement 12, which recommends that thrombotic antiphospholipid syndrome associated with SLE be treated with long-term vitamin K antagonists.

Statement 13 addresses immunizations and adjunct therapies. In addition to conventional immunizations, Dr. Boumpas said that renoprotection should receive attention in case of proteinuria and/or hypertension.

“With [sodium-glucose cotransporter 2] inhibitors, it’s a bit early. They’re promising, and you may consider them, although there are no data for patients with eGFR below 60 mL/min per 1.73 m2,” he remarked, completing his detailed discussion of the updated recommendations.

Dr. Boumpas reported no relevant financial relationships. Dr. Landewé served as past chair of EULAR’s Quality of Care Committee, which develops recommendations.

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