Table 3.
Case reports on the use of Janus kinase inhibitors for the treatment of VEXAS syndrome.
| # | Study Year |
Sex Age |
Signs and symptoms + UBA1 mutation |
Comorbidities | Previous drugs | JAK-I + Concomitant drugs |
Outcome Adverse effects (AEs) |
|---|---|---|---|---|---|---|---|
| 1 | Kao et al. [32] 2022 |
Male 50 |
Fever, fatigue, anorexia, pulmonary disease, mild splenomegaly + Positive |
PAN, cytopenia, EBV-HLH | Dapsone, colchicine, MMF, MTX | Ruxolitinib 15 mg BD + Anakinra, PRZ, RTX |
PR AEs: None |
|
| |||||||
| 2 | Loschi et al. [33] 2022 |
Male 60 |
Skin lesion + Positive |
Macrocytic regenerative anemia | HCQ, thalidomide | Baricitinib then Ruxolitinib + MTX, IFX, GCs, anakinra, UST, CSA |
Baricitinib: NR Ruxolitinib: PR HSCT + Ruxolitinib: CR AEs: none |
|
| |||||||
| 3 | Ronsin et al. [34] 2022 |
Male 72 |
Skin lesions, low Hb and platelet, high serum creatinine, proteinuria, hematuria, leukocyturia + Positive |
AKI, AIN, CAD, LCV | PRZ, anakinra | Ruxolitinib + PRZ |
PR AEs: none |
|
| |||||||
| 4 | Austestad et al. [35] 2023 |
Male 60 |
Night sweats, weight, skin lesions, pain in lower extremities + Positive |
ET, PTE | PRZ, MTX | Ruxolitinib 10 mg/day + PRZ, anagrelide, anakinra |
PR AEs: none |
|
| |||||||
| 5 | Bindoli et al. [36] 2023 |
Male 65 |
Fever, pulmonary disease, asthenia, DVT, tenosynovitis, chondritis, macrocytic anemia, elevated inflammatory markers + Positive |
Prostatectomy, LCV, DVT, MDS | M-PRZ | Filgotinib 200 mg/day + M-PRZ |
PR AEs: none |
|
| |||||||
| 6 | Fahmy et al. [37] 2023 |
Male 66 |
Skin involvement + Positive |
NA | Topical halobetasol, topical tacrolimus, oral doxycycline, oral minocycline, oral HCQ, oral PRZ | Tofacitinib 5 mg BD increased to 10 mg BD |
CR AEs: none |
|
| |||||||
| 7 | Mohammed et al. [38] 2023 |
Male 73 |
Skin involvement, fever, night sweats, HBM + Positive |
HTN | M-PRZ | Baricitinib 2 mg/day + PRZ |
CR AEs: none |
|
| |||||||
| 8 | Beecher et al. [39] 2024 |
Male 68 |
Recurrent dacryoadenitis, angioedema-like lesions, jaw aches, rash, elevated laboratory markers, splenomegaly + Positive |
IAP, pulmonary diseases, MDS | PRZ, MTX | Tofacitinib 5 mg BD + Azathioprine, MMF |
PR AEs: None |
|
| |||||||
| 9 | Langlois et al. [40] 2024 |
Male 80 |
Fever, generalized weakness, drowsiness, weight loss, skin rash, ear chondritis, elevated CRP, macrocytic anemia, confusion, headaches, cerebellar ataxia + Positive |
Ischemic stroke, CNS vasculitis | PRZ | Ruxolitinib 15 mg BD +M-PRZ, Tocilizumab |
PR AEs: none |
|
| |||||||
| 10 | Wang et al. [41] 2024 |
Male 66 |
Skin involvement, macrocytic anemia, fever, general weakness, night sweats + Positive |
MDS, RGD | MTX, HCQ | Ruxolitinib 10 mg BD + PRZ |
PR AEs: none |
|
| |||||||
| 11 | Al-Nusair et al. [15] 2025 |
Male 64 |
Persistent anemia, weight loss, fatigue, erythematous circumferential papules, low-grade fevers, myalgia, cough, episcleritis, chondritis + Positive |
NA | PRZ | Ruxolitinib 10 mg daily + PRZ, insulin??? |
CR AEs: none |
|
| |||||||
| 12 | Kelly et al. [42] 2025 |
Male 63 |
Lymphoid hyperplasia, splenomegaly, migratory arthralgia, multifocal PTE, DVT, pancytopenia, recurrent oral and genital ulceration + Positive |
Multifocal-PG, MDS, lobular panniculitis, neutrophilic vasculitis, HTN, GERD | PRZ, pantoprazole, rivaroxaban, telmisartan, metoprolol, alendronate, vitamin D, doxycycline, sulfamethoxazole, trimethoprim, MMF, MTX, AZA, IFX, adalimumab, Tocilizumab | Ruxolitinib | NR AEs: none |
|
| |||||||
| 13 | Lechtenboehmer et al. [17] 2025 |
Male 83 |
Visual field defect, fever, night sweats, arthritis, pneumonitis, chondritis + Positive |
NA | GCs | Ruxolitinib 15 mg BD + Dexamethasone, bevacizumab |
PR AEs: none |
Note: MMF: mycophenolate mofetil, PAN: polyarteritis nodosa, EBV-HLH: Epstein–Barr virus-related hemophagocytic lymphohistiocytosis, MTX: methotrexate, PTE: pulmonary thromboembolism, MDS: myelodysplastic syndrome, HBM: hypercellular marrow, LCV: leukocytic vasculitis, PRZ: prednisone, RTX: Rituximab, HCQ: hydroxychloroquine, IFX: Infliximab, GCs: glucocorticoids, UST: Ustekinumab, CSA: cyclosporine, M-PRZ: methylprednisolone, HTN: hypertension, AZA: azathioprine, GCs: glucocorticoids, and GERD: gastroesophageal reflux disease.
Abbreviations: AIN, acute interstitial nephritis; AKI, acute kidney injury; CAD, coronary artery disease; CNS, central nervous system; CR, complete response; CRP, C-reactive protein; ET, essential thrombosis; HSCT, hematopoietic stem cell transplantation; IAP, idiopathic autoimmune pancreatitis; NR, no response; PR, partial response; PG, Pyoderma gangrenosum; and RGD, reactive granulomatous dermatitis.