Journal Article

Intensive short-term treatment with rituximab, cyclophosphamide and methylprednisolone pulses induces remission in severe cases of SLE with nephritis and avoids further immunosuppressive maintenance therapy

Dario Roccatello, Savino Sciascia, Daniela Rossi, Mirella Alpa, Carla Naretto, Simone Baldovino, Elisa Menegatti, Rita La Grotta and Vittorio Modena

in Nephrology Dialysis Transplantation

Published on behalf of European Renal Association - European Dialysis and Transplant Assoc

Volume 26, issue 12, pages 3987-3992
Published in print December 2011 | ISSN: 0931-0509
Published online March 2011 | e-ISSN: 1460-2385 | DOI: http://dx.doi.org/10.1093/ndt/gfr109
Intensive short-term treatment with rituximab, cyclophosphamide and methylprednisolone pulses induces remission in severe cases of SLE with nephritis and avoids further immunosuppressive maintenance therapy

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Background. B cells play a central role in systemic lupus erythematosus (SLE). Rituximab is expected to induce apoptosis of all the CD20-positive B cells. A proportion of patients are refractory or intolerant to standard immunosuppression. These are candidate to new therapeutic options.

Methods. Eight patients [six women, two men, mean age 41-year-old (27–51), with severe multiorgan involvement (kidney, skin, nervous system, polyarthritis, polyserositis, antiphospholipid antibody syndrome)] were considered eligible for an intensive combination therapy including rituximab. Rituximab was administered (dose 375 mg/m2) on Days #2, 8, 15 and 22. Two more doses were administered 1 and 2 months following the last weekly infusion. This treatment was combined with two pulses of 750 mg cyclophosphamide (Days #4 and 17) and three pulses of 15 mg/kg (Days #1, 4 and 8) methylprednisolone followed by oral prednisone, 50 mg for 2 weeks rapidly tapered until 5 mg in 2 months. Response was evaluated by assessing the changes in clinical signs and symptoms [Systemic Lupus Erythematosus Disease Activity Index (SLEDAI score)] and laboratory parameters for at least 12 months.

Results. Levels of erythrocyte sedimentation rate and anti-double-strand DNA antibodies significantly decreased (P < 0.01 at 12 months), whereas C3 and mainly C4 values increased at 6 months (P < 0.01 for C4). Proteinuria improved in the cases with renal involvement (P < 0.01 at 3, 6 and 12 months). SLEDAI score improved moving from the mean 17.3 (12–27) before therapy to 3.1 (1–5) after rituximab treatment. Constitutional symptoms including arthralgia, weakness and fever disappeared in all the previously affected patients; paresthesia improved in the four patients with polyneuropathy and skin lesions gradually resolved in the patients with necrotizing skin ulcers at presentation. Drug side effects were negligible.

Conclusions. Long-lasting remissions were obtained in patients with severe SLE and major organ involvement by this intensive administration of rituximab combined with low doses of intravenous cyclophosphamide and methylprednisolone pulses followed by a rapid tapering of prednisone to 5 mg/day as a sole maintenance therapy.

Keywords: lupus nephritis; rituximab; systemic lupus erythematosus

Journal Article.  3514 words.  Illustrated.

Subjects: Nephrology

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