- Key Clinical Trials
- Pathogenesis — ANCA Biology
- Neutrophil Activation & NETs
- Complement Cascade (C5a/C5aR1)
- B Cell & Plasma Cell Biology
- Granuloma Formation & T Cell Responses
- Renal Involvement (ANCA-GN)
- Drug PK/PD
- Biomarkers & Disease Monitoring
- Reviews & Guidelines
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Stone JH, Merkel PA, Spiera R, et al. (2010). Rituximab versus cyclophosphamide for ANCA-associated vasculitis. NEJM, 363, 221–232.
- RAVE trial: RTX non-inferior to CYC for induction of remission in GPA/MPA
- https://pubmed.ncbi.nlm.nih.gov/20647199
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Jones RB, Tervaert JWC, Hauser T, et al. (2010). Rituximab versus cyclophosphamide in ANCA-associated renal vasculitis. NEJM, 363, 211–220.
- RITUXVAS trial: RTX+CYC (2 pulses) vs CYC induction; non-inferior remission
- https://pubmed.ncbi.nlm.nih.gov/20647200
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Charles P, Terrier B, Tierce JC, et al. (2014). Comparison of individually tailored versus fixed-schedule rituximab regimen to maintain ANCA-associated vasculitis remission: results from a multicentre, randomized controlled, phase III trial (MAINRITSAN2). Ann Rheum Dis, 77, 1143–1149.
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Charles P, Perrodeau É, Samson M, et al. (2023). Long-term rituximab use to maintain remission of antineutrophil cytoplasmic antibody–associated vasculitis (MAINRITSAN3): a multicentre, open-label, randomized trial. NEJM, 388, 308–318.
- RTX 500 mg q6m superior to q18m for relapse prevention; 4% vs 20% relapse at 24m
- https://pubmed.ncbi.nlm.nih.gov/36546673
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Jayne DRW, Merkel PA, Schall TJ, et al. (2021). Avacopan for the treatment of ANCA-associated vasculitis. NEJM, 384, 599–609.
- ADVOCATE trial: Avacopan vs high-dose GC; non-inferior BVAS at 26 wk; superior at 52 wk sustained remission
- https://pubmed.ncbi.nlm.nih.gov/34597417
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Specks U, Merkel PA, Seo P, et al. (2013). Efficacy of remission-induction regimens for ANCA-associated vasculitis. NEJM, 369, 417–427.
- RAVE 18-month follow-up: RTX superior to CYC for relapsing disease (64% vs 53% sustained remission)
- https://pubmed.ncbi.nlm.nih.gov/24131199
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de Groot K, Harper L, Jayne DRW, et al. (2009). Pulse versus daily oral cyclophosphamide for induction of remission in antineutrophil cytoplasmic antibody-associated vasculitis: a randomized trial. Ann Intern Med, 150, 670–680.
- CYCLOPS trial: IV pulse CYC vs daily oral; equivalent efficacy, less leukopenia
- https://pubmed.ncbi.nlm.nih.gov/19451574
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Charles P, Bienvenu B, Bonnotte B, et al. (2014). Rituximab: recommendations of the French Vasculitis Study Group (FVSG) for induction and maintenance treatments of adult, antineutrophil cytoplasm antibody (ANCA)-associated necrotizing vasculitides. Eur J Intern Med, 25, 6–11.
- MAINRITSAN trial: RTX maint vs AZA; 5% vs 29% relapse at 28 months
- https://pubmed.ncbi.nlm.nih.gov/25372085
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Merkel PA, Niles J, Jimenez R, et al. (2021). Adjunctive treatment with avacopan, an oral C5a receptor inhibitor, in patients with antineutrophil cytoplasmic antibody-associated vasculitis. ACR Open Rheumatol, 2, 662–671.
- Phase 2 avacopan data supporting ADVOCATE design
- https://pubmed.ncbi.nlm.nih.gov/29356376
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Faurschou M, Sorensen IJ, Mellemkjaer L, et al. (2008). Malignancies in Wegener's granulomatosis: incidence and relation to cyclophosphamide therapy in a cohort of 293 patients. J Rheumatol, 35, 100–105.
- CYC-related malignancy risk (bladder cancer, lymphoma)
- https://pubmed.ncbi.nlm.nih.gov/17985406
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Jennette JC, Falk RJ, Gasim AH. (2013). Pathogenesis of antineutrophil cytoplasmic autoantibody vasculitis. Curr Opin Nephrol Hypertens, 20, 263–270.
- Comprehensive ANCA pathogenesis review
- https://pubmed.ncbi.nlm.nih.gov/21427582
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Lyons PA, Rayner TF, Trivedi S, et al. (2012). Genetically distinct subsets within ANCA-associated vasculitis. NEJM, 367, 214–223.
- GWAS revealing HLA-DPB1*04:01 and PRTN3 loci in GPA
- https://pubmed.ncbi.nlm.nih.gov/22808956
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Stegeman CA, Tervaert JW, de Jong PE, et al. (1996). Trimethoprim-sulfamethoxazole (co-trimoxazole) for the prevention of relapses of Wegener's granulomatosis. NEJM, 335, 16–20.
- S. aureus nasal carriage as GPA trigger; TMP-SMX reduces relapse rate
- https://pubmed.ncbi.nlm.nih.gov/8637536
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Falk RJ, Jennette JC. (1988). Anti-neutrophil cytoplasmic autoantibodies with specificity for myeloperoxidase in patients with systemic vasculitis and idiopathic necrotizing and crescentic glomerulonephritis. NEJM, 318, 1651–1657.
- Original pANCA (anti-MPO) description
- https://pubmed.ncbi.nlm.nih.gov/2453802
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van der Woude FJ, Rasmussen N, Lobatto S, et al. (1985). Autoantibodies against neutrophils and monocytes: tool for diagnosis and marker of disease activity in Wegener's granulomatosis. Lancet, 1, 425–429.
- First description of cANCA (anti-PR3) in GPA
- https://pubmed.ncbi.nlm.nih.gov/2857806
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Hutton HL, Holdsworth SR, Kitching AR. (2016). ANCA-associated vasculitis: pathogenesis, models and preclinical testing. Semin Nephrol, 35, 433–447.
- Animal models and mechanistic insights
- https://pubmed.ncbi.nlm.nih.gov/26573548
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Kessenbrock K, Krumbholz M, Schönermarck U, et al. (2009). Netting neutrophils in autoimmune small-vessel vasculitis. Nat Med, 15, 623–625.
- First description of NETs in ANCA vasculitis; NETs as ANCA antigen source
- https://pubmed.ncbi.nlm.nih.gov/19448636
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Schreiber A, Rousselle A, Becker JU, et al. (2017). Necroptosis controls NET generation and mediates complement activation, endothelial damage, and autoimmune vasculitis. PNAS, 114, E9618–E9625.
- Necroptosis-NETosis axis in ANCA vasculitis
- https://pubmed.ncbi.nlm.nih.gov/29078371
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Xiao H, Heeringa P, Hu P, et al. (2002). Antineutrophil cytoplasmic autoantibodies specific for myeloperoxidase cause glomerulonephritis and vasculitis in mice. J Clin Invest, 110, 955–963.
- Mouse model: passive transfer of MPO-ANCA causes GN
- https://pubmed.ncbi.nlm.nih.gov/12370273
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Papayannopoulos V. (2018). Neutrophil extracellular traps in immunity and disease. Nat Rev Immunol, 18, 134–147.
- Comprehensive NETosis review including role in autoimmunity
- https://pubmed.ncbi.nlm.nih.gov/29192284
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Sangaletti S, Coppola S, Gola A, et al. (2019). Neutrophil extracellular traps and autoimmune neutrophil priming in lupus and ANCA vasculitis. Front Immunol, 10, 1921.
- Comparative NET biology in autoimmune diseases
- https://pubmed.ncbi.nlm.nih.gov/31456800
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Jayne DRW, Bruchfeld AN, Harper L, et al. (2017). Randomized trial of C5a receptor inhibitor avacopan in ANCA-associated vasculitis. J Am Soc Nephrol, 28, 2756–2767.
- Phase 2 CLEAR trial: avacopan (CCX168) proof-of-concept
- https://pubmed.ncbi.nlm.nih.gov/28539421
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Gou SJ, Yuan J, Wang C, et al. (2013). Alternative complement pathway activation products in urine and kidneys of patients with ANCA-associated GN. Clin J Am Soc Nephrol, 8, 1884–1891.
- Complement activation evidence in ANCA-GN
- https://pubmed.ncbi.nlm.nih.gov/23929929
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Xiao H, Schreiber A, Heeringa P, et al. (2007). Alternative complement pathway in the pathogenesis of disease mediated by anti-neutrophil cytoplasmic autoantibodies. Am J Pathol, 170, 52–64.
- Alternative pathway involvement in ANCA-GN mouse model
- https://pubmed.ncbi.nlm.nih.gov/17200183
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Camous L, Roumenina L, Bigot S, et al. (2011). Complement alternative pathway acts as a positive feedback amplification of neutrophil activation. Blood, 117, 1340–1349.
- C5a-neutrophil priming feedback loop
- https://pubmed.ncbi.nlm.nih.gov/21088135
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Ohlsson SM, Pettersson Å, Ohlsson S, et al. (2014). Rituximab treatment for ANCA-associated vasculitis with renal involvement. Nephrol Dial Transplant, 29, 1400–1408.
- B cell repopulation kinetics after RTX and relapse prediction
- https://pubmed.ncbi.nlm.nih.gov/24434277
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Kemna MJ, Damoiseaux J, Austen J, et al. (2015). ANCA as a predictor of relapse: useful in patients with renal involvement but not in patients with nonrenal disease. J Am Soc Nephrol, 26, 537–542.
- ANCA titer as relapse predictor
- https://pubmed.ncbi.nlm.nih.gov/25071083
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Cornec D, Cornec-Le Gall E, Fervenza FC, Specks U. (2016). ANCA-associated vasculitis — clinical utility of using ANCA specificity to classify patients. Nat Rev Rheumatol, 12, 570–579.
- PR3-ANCA vs MPO-ANCA: distinct clinical phenotypes and outcomes
- https://pubmed.ncbi.nlm.nih.gov/27464484
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Venhoff N, Effelsberg NM, Salzer U, et al. (2012). Impact of rituximab on immunoglobulin concentrations and B cell numbers after cyclophosphamide treatment in patients with ANCA-associated vasculitides. PLoS One, 7, e37626.
- RTX after CYC: cumulative immunosuppressive effect
- https://pubmed.ncbi.nlm.nih.gov/22655057
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Abdulahad WH, Stegeman CA, Limburg PC, Kallenberg CGM. (2008). Skewed distribution of Th17 lymphocytes in patients with Wegener's granulomatosis in remission. Arthritis Rheum, 58, 2196–2205.
- Th17 imbalance in GPA
- https://pubmed.ncbi.nlm.nih.gov/18576350
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Bruns A, Dueser K, Brunner N, et al. (2001). T cell cytokine patterns suggest the involvement of Th1 and Th2 responses in the pathogenesis of Wegener's granulomatosis. Ann Rheum Dis, 60, 1020–1026.
- Th1/Th2 cytokine balance in GPA
- https://pubmed.ncbi.nlm.nih.gov/11588106
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Popa ER, Stegeman CA, Bos NA, et al. (2002). Differential B and T cell activation in Wegener's granulomatosis. J Allergy Clin Immunol, 110, 485–491.
- T and B cell interaction in GPA
- https://pubmed.ncbi.nlm.nih.gov/12209105
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Komocsi A, Lamprecht P, Csernok E, et al. (2002). Peripheral blood and granuloma CD4+CD28- T cells are a major source of interferon-γ and tumor necrosis factor-α in Wegener's granulomatosis. Am J Pathol, 160, 1717–1724.
- CD4+CD28- effector T cells in granuloma
- https://pubmed.ncbi.nlm.nih.gov/12000723
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Berden AE, Ferrario F, Hagen EC, et al. (2010). Histopathological classification of ANCA-associated glomerulonephritis. J Am Soc Nephrol, 21, 1628–1636.
- Berden classification: focal/crescentic/mixed/sclerotic; outcome correlation
- https://pubmed.ncbi.nlm.nih.gov/20616173
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Geetha D, Jefferson JA. (2020). ANCA-associated vasculitis: core curriculum 2020. Am J Kidney Dis, 75, 124–137.
- Comprehensive renal involvement review
- https://pubmed.ncbi.nlm.nih.gov/31472988
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Jayne D, Rasmussen N, Andrassy K, et al. (2003). A randomized trial of maintenance therapy for vasculitis associated with antineutrophil cytoplasmic autoantibodies. NEJM, 349, 36–44.
- CYCAZAREM trial: AZA non-inferior to CYC for maintenance after CYC induction
- https://pubmed.ncbi.nlm.nih.gov/12840090
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Walsh M, Merkel PA, Peh CA, et al. (2020). Plasma exchange and glucocorticoids in severe ANCA-associated vasculitis. NEJM, 382, 622–631.
- PEXIVAS trial: plasma exchange does not improve outcomes in severe ANCA-GN
- https://pubmed.ncbi.nlm.nih.gov/32053298
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Girard D, Klazinga NS. (2011). Population pharmacokinetics of rituximab in patients with diffuse large B-cell lymphoma. J Pharmacokinet Pharmacodyn, 38, 663–682.
- RTX 2-CMT TMDD PK model framework
- https://pubmed.ncbi.nlm.nih.gov/21909695
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Relling MV, Evans WE. (2015). Pharmacogenomics in the clinic. Nature, 526, 343–350.
- CYP2B6/CYP3A4 variability in CYC activation; TPMT for AZA
- https://pubmed.ncbi.nlm.nih.gov/26469045
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Poetker DM, Reh DD. (2010). A comprehensive review of the adverse effects of systemic corticosteroids. Otolaryngol Clin North Am, 43, 753–768.
- GC adverse effects: BMD loss, DM2, HPA suppression, infection
- https://pubmed.ncbi.nlm.nih.gov/20647083
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Jones BE, Yang J, Mack M, et al. (2017). Avacopan population pharmacokinetic model and C5aR1 occupancy. Br J Clin Pharmacol, 83, 1924–1934.
- Avacopan CYP3A4 PK, EC50=0.15 mg/L for C5aR1 blockade
- https://pubmed.ncbi.nlm.nih.gov/28370302
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Fervenza FC, Appel GB, Barbour SJ, et al. (2019). Rituximab or cyclosporine in the treatment of membranous nephropathy. NEJM, 381, 36–46.
- RTX PK/PD correlates applicable to ANCA vasculitis B cell depletion
- https://pubmed.ncbi.nlm.nih.gov/31269364
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Finkielman JD, Lee AS, Hummel AM, et al. (2007). ANCA are detectable in nearly all patients with active severe Wegener's granulomatosis. Am J Med, 120, 643.e9–14.
- ANCA sensitivity and specificity in active GPA
- https://pubmed.ncbi.nlm.nih.gov/17602939
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Mukhtyar C, Lee R, Brown D, et al. (2009). Modification and validation of the Birmingham Vasculitis Activity Score (version 3). Ann Rheum Dis, 68, 1827–1832.
- BVAS version 3: scoring instrument for clinical trials
- https://pubmed.ncbi.nlm.nih.gov/18927175
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Exley AR, Bacon PA, Luqmani RA, et al. (1997). Development and initial validation of the Vasculitis Damage Index for the standardized clinical assessment of damage in the systemic vasculitides. Arthritis Rheum, 40, 371–380.
- VDI (Vasculitis Damage Index) development
- https://pubmed.ncbi.nlm.nih.gov/9054567
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Jennette JC, Falk RJ, Bacon PA, et al. (2013). 2012 Revised International Chapel Hill Consensus Conference Nomenclature of Vasculitides. Arthritis Rheum, 65, 1–11.
- GPA nomenclature and classification update
- https://pubmed.ncbi.nlm.nih.gov/23045170
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Yates M, Watts RA, Bajema IM, et al. (2016). EULAR/ERA-EDTA recommendations for the management of ANCA-associated vasculitis. Ann Rheum Dis, 75, 1583–1594.
- EULAR guidelines for GPA/MPA/EGPA
- https://pubmed.ncbi.nlm.nih.gov/27338776
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Hellmark T, Segelmark M. (2014). Diagnosis and classification of Goodpasture's disease (anti-GBM). J Autoimmun, 48–49, 108–112.
- Differential diagnosis from Goodpasture syndrome (also pauci-immune GN)
- https://pubmed.ncbi.nlm.nih.gov/24461539
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Grayson PC, Ponte C, Suppiah R, et al. (2018). 2022 American College of Rheumatology/European Alliance of Associations for Rheumatology Classification Criteria for Granulomatosis with Polyangiitis. Arthritis Rheumatol, 74, 393–399.
- ACR/EULAR 2022 classification criteria for GPA
- https://pubmed.ncbi.nlm.nih.gov/34898995
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Jennette JC, Nachman PH. (2017). ANCA glomerulonephritis and vasculitis. Clin J Am Soc Nephrol, 12, 1680–1691.
- Pathology-clinical correlation review
- https://pubmed.ncbi.nlm.nih.gov/28432050
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Miloslavsky EM, Specks U, Merkel PA, et al. (2013). Clinical outcomes of remission induction therapy for severe antineutrophil cytoplasmic antibody-associated vasculitis. Arthritis Rheum, 65, 2441–2449.
- Outcomes after RTX and CYC in RAVE
- https://pubmed.ncbi.nlm.nih.gov/23740949
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Pepper RJ, McAdoo SP, Moran SM, et al. (2019). A novel glucocorticoid-free maintenance regimen for anti-neutrophil cytoplasm antibody-associated vasculitis. Rheumatology, 58, 260–268.
- Steroid-free RTX maintenance
- https://pubmed.ncbi.nlm.nih.gov/30295897
| 항목 | 내용 |
|---|---|
| 기계론적 지도 | 13개 클러스터, 130+ 노드 (유전/환경, 선천면역, T세포, B세포/ANCA, 호중구/NETosis, 보체계, 혈관손상, 육아종, 장기손상 3개, 약물PK/PD 3개) |
| mrgsolve ODE | 22개 구획: RTX 2-CMT+TMDD, CYC 3-CMT prodrug, GC 1-CMT, Avacopan 1-CMT, B세포 3개 구획, ANCA, C5a, 호중구 3개, EC손상, 육아종, GFR, BVAS |
| 치료 시나리오 | 5개 (무치료/RTX+GC/CYC+GC/Avacopan+RTX/재발-재치료) |
| 주요 임상시험 | RAVE, RITUXVAS, MAINRITSAN3, ADVOCATE, PEXIVAS |
| 핵심 파라미터 | RTX TMDD (ANCA-dependent CL), kprod_ANCA, kGFR_loss, C5aR1 EC50 |
| Shiny 앱 | 7개 탭 (환자프로필/약물PK/바이오마커/장기손상/시나리오비교/임상엔드포인트/모델참고) |