Please assess the completion status of the following clinical trial:

Trial Title: A Study to Evaluate the Efficacy and Safety of Bimekizumab in Subjects With Active Ankylosing Spondylitis

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Male or female patients at least 18 years of age~* Subject has ankylosing spondylitis (AS) as per the Modified New York (mNY) criteria with documented radiologic evidence, and at least 3 months of symptoms with age at symptom onset less than 45 years~* Subjects has moderate-to-severe active disease defined by Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) \>=4 AND spinal pain \>=4 on a 0 to 10 Numeric Rating Scale~* Subjects had to have either failed to respond to 2 different nonsteroidal anti-inflammatory drugs (NSAIDs) given at the maximum tolerated dose for a total of 4 weeks or have a history of intolerance to or a contraindication to NSAID therapy~* Patients who have taken a tumor necrosis factor alpha (TNFα) inhibitor must have experienced an inadequate response or intolerance to treatment given at an approved dose for at least 12 weeks~* Patients currently taking NSAIDs, cyclooxygenase 2 (COX-2) inhibitors, analgesics, corticosteroids, methotrexate (MTX), leflunomide (LEF), sulfasalazine (SSZ), hydroxychloroquine (HCQ) AND/OR apremilast can be allowed if they fulfill specific requirements prior to study entry~Exclusion Criteria:~* Total ankylosis of the spine~* Treatment with more than 1 TNFα inhibitor and/or more than 2 additional non-TNFα biological response modifiers, or any interleukin (IL)-17 biological response modifier at any time are excluded~* Active infection or history of recent serious infections~* Viral hepatitis B or C or human immunodeficiency virus (HIV) infection~* Any live (includes attenuated) vaccination within the 8 weeks prior to entering the study or TB (Bacillus Calmette-Guerin) vaccination within 1 year prior entering the study~* Known tuberculosis (TB) infection, at high risk of acquiring TB infection, or current or history of nontuberculous mycobacterium (NTMB) infection~* Subject has any active malignancy or history of malignancy within 5 years prior to the Screening Visit EXCEPT treated and considered cured cutaneous squamous or basal cell carcinoma or in situ cervical cancer~* Diagnosis of inflammatory conditions other than AxSpA, eg, rheumatoid arthritis. Patients with a diagnosis of Crohn's disease, ulcerative colitis, or other inflammatory bowel disease (IBD) are allowed as long as they have no active symptomatic disease when entering the study.~* Presence of active suicidal ideation, or moderately severe major depression or severe major depression~* Female patients who are breastfeeding, pregnant, or planning to become pregnant during the study~* Subject has a history of chronic alcohol or drug abuse within 6 months prior to Screening

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Bimekizumab (Type: EXPERIMENTAL): Subjects randomized to this arm will receive bimekizumab during the Double-Blind Treatment Period and the Maintenance Period.
- Placebo (Type: PLACEBO_COMPARATOR): Subjects randomized to this arm will receive placebo during the Double-Blind Treatment Period and receive bimekizumab during the Maintenance Period.

Based on this trial design, predict the completion outcome and termination type (if applicable).

Answer: outcome: complete