# MoonLake Announces Positive Topline Results from its Phase 2 Clinical Trial of Sonelokimab in Axial Spondyloarthritis and Reports 2025 Financial Results
Canonical URL: https://biopharmsignal.com/news/MLTX/moonlake-announces-positive-topline-results-from-its-phase-2-clinical-trial-of-sonelokimab-in-axial-spondyloarthritis-and-reports-2025-financial-results
Ticker: MLTX
Company: MoonLake Immunotherapeutics
Source: MoonLake Immunotherapeutics
Published: 2026-02-22 16:00 EST
Original Source URL: https://ir.moonlaketx.com
## Summary

In the Phase 2 S-OLARIS clinical trial in axial spondyloarthritis (axSpA), sonelokimab (SLK) demonstrated clinically meaningful benefit with 80+% of patients achieving ASAS40 by Week 12 Consistently, other clinical and imaging scores also showed improvements of 80+% by week 12 for patients treated

## Article Body
In the Phase 2 S-OLARIS clinical trial in axial spondyloarthritis (axSpA), sonelokimab (SLK) demonstrated clinically meaningful benefit with 80+% of patients achieving ASAS40 by Week 12 Consistently, other clinical and imaging scores also showed improvements of 80+% by week 12 for patients treated
## Recent Company News
- 2026-05-10 13:00 EST — [MoonLake Immunotherapeutics Announces Positive Outcome from its Final Pre-BLA Meeting with the U.S. FDA and Reports First Quarter 2026 Financial Results](https://biopharmsignal.com/news/MLTX/moonlake-immunotherapeutics-announces-positive-outcome-from-its-final-pre-bla-meeting-with-the-u-s-fda-and-reports-first-quarter-2026-financial-results) — Source: MoonLake Immunotherapeutics
- 2026-03-28 19:00 EST — [MoonLake announces Week 40 Results from its Phase 3 Clinical Trials of Sonelokimab in Hidradenitis Suppurativa at the 2026 AAD Annual Meeting](https://biopharmsignal.com/news/MLTX/moonlake-announces-week-40-results-from-its-phase-3-clinical-trials-of-sonelokimab-in-hidradenitis-suppurativa-at-the-2026-aad-annual-meeting) — Source: MoonLake Immunotherapeutics
- 2026-02-22 16:00 EST — [MoonLake Announces Positive Topline Results from its Phase 2 Clinical Trial of Sonelokimab in Axial Spondyloarthritis and Reports 2025 Financial Results](https://biopharmsignal.com/news/MLTX/moonlake-announces-positive-topline-results-from-its-phase-2-clinical-trial-of-sonelokimab-in-axial-spondyloarthritis-and-reports-2025-financial-results) — Source: MoonLake Immunotherapeutics
- 2026-02-02 13:00 EST — [MoonLake Announces FDA Fast Track Designation for Sonelokimab Palmoplantar Pustulosis (PPP) and Provides Details on Upcoming Investor Day](https://biopharmsignal.com/news/MLTX/moonlake-announces-fda-fast-track-designation-for-sonelokimab-palmoplantar-pustulosis-ppp-and-provides-details-on-upcoming-investor-day) — Source: MoonLake Immunotherapeutics
- 2026-01-08 13:00 EST — [MoonLake Immunotherapeutics Announces Positive Outcome from Type B Meeting with U.S. FDA and Announces Investor Day](https://biopharmsignal.com/news/MLTX/moonlake-immunotherapeutics-announces-positive-outcome-from-type-b-meeting-with-u-s-fda-and-announces-investor-day) — Source: MoonLake Immunotherapeutics
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