This study will evaluate the effect and safety of 608 in patients with nr-axSpA.
Female and male patients at least 18 years of age at the time of screening.
Diagnosis of axial spondyloarthritis according to Ankylosing Spondylo Arthritis International Society (ASAS) axial spondyloarthritis criteria
Objective signs of inflammation (magnetic resonance imaging (MRI) or abnormal C-reactive protein)
Total back pain as measured by NRS ≥ 4 at baseline
Patients with other uncontrolled active inflammatory diseases.
Clinical laboratory tests and other tests that reveal abnormalities with clinical significance
Patients who have active Hepatitis B, Hepatitis C or HIV infections as determined by positive results at Screening.
History of cancer.