Phase 2 Ankylosing Spondylitis Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- You have been diagnosed with a type of spinal arthritis called axial spondyloarthritis (axSpA), and you have had back pain for at least 3 months that started before you were 45 years old
- Your spinal arthritis shows visible changes on X-rays, confirmed by a specialist review during the screening process
- Your condition is currently active (causing symptoms) at the time of screening and when you are assigned to a treatment group
- You have either tried anti-inflammatory painkillers (like ibuprofen or naproxen) but they did not work well enough or you could not tolerate them, AND you have never tried biologic medications — OR you have tried up to two different types of biologic medications that did not work well enough or you could not tolerate them
Who may not be able to join:
- You have, or have had, joint inflammation that started before age 17, or you have been diagnosed with another inflammatory joint condition (such as rheumatoid arthritis, lupus, psoriatic arthritis, or similar conditions), or any other condition that might make it difficult to properly assess your spinal arthritis
- You have had cancer in the last 5 years (exceptions may apply for certain fully treated skin cancers or a specific type of fully removed cervical cancer — confirm with trial site)
- You currently have an active infection of any kind
- You have a known allergy or sensitivity to the study drug (tulisokibart) or any of its ingredients
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Medical Director, Merck Sharp & Dohme LLC
Phone: 1-888-577-8839
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Percentage of Participants Achieving Assessment of Spondyloarthritis International Society (ASAS) 40 Response at Week 16
Can't join this trial?
Data last synced from ClinicalTrials.gov: 28 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.