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CAR-T Reaches the Synovium: COMPARE Phase 1 in ACPA-Positive RA
Treatment-refractory RA is more common than we sometimes admit. Roughly 11% of patients fail multiple b/tsDMARD classes, and for the ACPA-positive subset, rituximab has long been the fallback. It works, but it rarely produces durable disease-free intervals. CD19 CAR T-cell therapy was always going to be the question that followed the SLE data. Until EULAR 2026, that question had no prospective answer. The plenary session changed that.
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CAR-T Cell Therapies in Refractory RMD
Current therapies for rheumatoid arthritis rely on sustained immunosuppression rather than restoration of immune tolerance, with off-drug remission remaining rare.
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From Skepticism to Reconsideration: 4‑Year CAR‑T Outcomes in Lupus
Chimeric antigen receptor (CAR) T‑cell therapy, long established in hematologic malignancies, is now emerging as a transformative approach in systemic lupus erythematosus (SLE), a disease historically managed with chronic immunosuppression.
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CAR-T Cell Therapies in Refractory RMD Current therapies for rheumatoid arthritis rely on sustained immunosuppression rather than restoration of immune tolerance, with off-drug remission remaining rare. Recent anecdotal reports suggest that CD19-directed CAR-T cell therapy may https://t.co/lXX5RjEw6a
#EULAR2026 OP0170 Progress of CAR-T in myositis? Phase 1 of rese-cel autologous CD19 CAR-T (advantage: humanised, 4-1BB Co-stimulatory Domain to enhance cells expansion) showed no safety signals and early efficacy in 4 IIM subtypes. Both anti-synthetase pts relapsed @RheumNow https://t.co/QisldedCti
#EULAR2026 OP Are we closer to controlled trials of CAR-T? Miv-cel KYV-101 autologous CD19 CAR-T reported efficacy and safety profile in 6 patients with severe refractory #RA (median prior bDMARDs: 6) in Phase I COMPARE. Will proceed to Phase II with RTX as a comparator @RheumNow https://t.co/Rb4BFgBDZE
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#EULAR2026 OP077 Another promising CAR-T in autoimmunity. In a Phase II study, Rap-Cel autologous CD19 CAR-T (shorter infusion time ~2d & low dose) vs traditional CAR-T showed drug-free improvement in N=6 #IIM & N=6 #SSc patients. Safety similar to other CAR-Ts @RheumNow https://t.co/byNn5X8JGh
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#EULAR2026 OP076 Of 50 patients treated with autologous CAR-T, 12% relapsed; median 13 mths. More frequent in #IIM vs #SLE or #SSc. These relapses were significant. Switching to BCMA-CAR or BCMA-TCE restored response. Should BCMA instead of CD19 be targeted initially?@RheumNow https://t.co/lgdsJQm3xY
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