Cited by 412Systemic Lupus Erythematosus ResearchSystemic Sclerosis and Related DiseasesRenal Transplantation Outcomes and Treatments

Sirolimus in patients with clinically active systemic lupus erythematosus resistant to, or intolerant of, conventional medications: a single-arm, open-label, phase 1/2 trial

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Lai, Zhi-Wei, Kelly, Ryan, Winans, Thomas, Marchena, Ivan, Shadakshari, Ashwini, Yu, Julie, Dawood, Maha, Garcia, Ricardo +5 more·2018·The Lancet

Abstract

Background Patients with systemic lupus erythematosus have T-cell dysfunction that has been attributed to the activation of the mammalian target of rapamycin (mTOR). Rapamycin inhibits antigen-induced T-cell proliferation and has been developed as a medication under the generic designation of sirolimus. We assessed safety, tolerance, and efficacy of sirolimus in a prospective, biomarker-driven, open-label clinical trial.Methods We did a single-arm, open-label, phase 1/2 trial of sirolimus in patients with active systemic lupus erythematosus disease unresponsive to, or intolerant of, conventional medications at the State University of New York Upstate Medical University (Syracuse, NY, USA). Eligible participants (aged ≥18 years) had active systemic lupus erythematosus fulfilling four or more of 11 diagnostic criteria defined by the American College of Rheumatology. We excluded patients with allergy or intolerance to sirolimus, patients with life-threatening manifestations of systemic lupus erythematosus, proteinuria, a urine protein to creatinine ratio higher than 0·5, anaemia, leucopenia, or thrombocytopenia. Patients received oral sirolimus at a starting dose of 2 mg per day, with dose adjusted according to tolerance and to maintain a therapeutic range of 6-15 ng/mL. Patients were treated with sirolimus for 12 months. Safety outcomes included tolerance as assessed by the occurrence of common side-effects. The primary efficacy endpoint was decrease in disease activity, assessed using the British Isles Lupus Assessment Group (BILAG) index and the Systemic Lupus Erythematosus Disease Activity Index (SLEDAI). Blood samples of 56 matched healthy individuals were obtained as controls for immunobiological outcomes monitored at each visit. The primary efficacy endpoint was assessed in all patients who completed 12 months of treatment, and all patients who received at least one dose of treatment were included in the safety analyses. This trial is registered with ClinicalTrials.gov, number NCT00779194.Findings Between March 9, 2009, and Dec 8, 2014, 43 patients were enrolled, three of whom did not meet eligibility criteria. 11 of the 40 eligible patients discontinued study treatment because of intolerance (n=2) or non-compliance (n=9). SLEDAI and BILAG disease activity scores were reduced during 12 months of treatment in 16 (55%) of 29 patients who completed treatment. Mean SLEDAI score decreased from 10·2 (SD 5·6) at enrolment to 4·8 (4·5) after 12 months of treatment (p<0·001) and the mean total BILAG index score decreased from 28·4 (12·4) at enrolment to 17·4 (10·7) after 12 months of treatment (p<0·001). The mean daily dose of prednisone required to control disease activity decreased from 23·7 mg (SD 9·6) to 7·2 mg (2·3; p<0·001) after 12 months of treatment. Sirolimus expanded CD4+CD25+FoxP3+ regulatory T cells and CD8+ memory T-cell populations and inhibited interleukin-4 and interleukin-17 production by CD4+ and CD4-CD8- double-negative T cells after 12 months. CD8+ memory T cells were selectively expanded in SRI-responders. Patient liver function and lymphocyte counts were unchanged. Although HDL-cholesterol (Z=-2·50, p=0·012), neutrophil counts (Z=-1·92, p=0·054), and haemoglobin (Z=-2·83, p=0·005) were moderately reduced during treatment, all changes occurred within a range that was considered safe. Platelet counts were slightly elevated during treatment (Z=2·06, p=0·0400).Interpretation These data show that a progressive improvement in disease activity is associated with correction of pro-inflammatory T-cell lineage specification in patients with active systemic lupus erythematosus during 12 months of sirolimus treatment. Follow-up placebo-controlled clinical trials in diverse patient populations are warranted to further define the role of mTOR blockade in treatment of systemic lupus erythematosus.Funding Pfizer, the National Institutes of Health, and the Central New York Community Foundation.

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  • mTOR blockade in SLE patients treated with N-acetylcysteine or rapamycin reduces pro-inflammatory T cells and disease activity, suggesting drugs regulating mitochondrial dynamics might be novel therapeutic avenues for mitigating autoantibody production in SLE.

    “Additionally, mTOR blockade in patients with SLE treated with N-acetylcysteine or rapamycin reduces both pro-inflammatory T cells and disease activity85,260, suggesting that dietary supplementation or drugs that regulate mitochondrial dynamics might constitute novel therapeutic avenues for mitigating autoantibody production in SLE.”

    From The role of mitochondria in rheumatic diseases (2022) · cites this paper as [260]

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Authors
Lai, Z.-W., Kelly, R., Winans, T., Marchena, I., Shadakshari, A., Yu, J., Dawood, M., Garcia, R., Tily, H., Francis, L., Faraone, S. V., Phillips, P. E., & Perl, A.
Affiliations
SUNY Upstate Medical University (US)
Venue
The Lancet
Publisher
Elsevier BV
Published
2018-03
Volume
391
Issue
10126
Pages
1186-1196
ISSN
  • 0099-5355 (ISSN-L)
  • 0140-6736
OpenAlex
W2791734424
Cited by
412
References
43
Citations by year
2026: 35 · 2025: 43 · 2024: 51 · 2023: 35 · 2022: 67 · 2021: 44 · 2020: 56 · 2019: 49 · 2018: 31
FWCI
38.43
Type
journal article
Language
en
Open access
Locations
  • The Lancet (acceptedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Pfizer
  • Syracuse University
  • National Institute of Allergy and Infectious Diseases (R01AI048079, R01AI122176, R56AI048079, R01AI072648, R34AI141304)
Topics
  • Health Sciences › Medicine › Rheumatology › Systemic Lupus Erythematosus Research
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Systemic Sclerosis and Related Diseases
  • Health Sciences › Medicine › Transplantation › Renal Transplantation Outcomes and Treatments
Keywords
rapamycin, systemic lupus erythematosus, mTOR inhibition, T cell dysfunction, refractory lupus, disease activity, BILAG index, SLEDAI, drug safety and tolerability, biomarker-driven treatment, mTOR inhibitors, immunosuppressive therapy, dose adjustment, adverse events, lupus nephritis, proteinuria, thrombocytopenia
MeSH terms
Adolescent, Adult, Aged, Drug Tolerance, Female, Humans, Immunosuppressive Agents, Lupus Erythematosus, Systemic, Male, Middle Aged, Prospective Studies, Treatment Outcome, Sirolimus, Young Adult

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