Long-term safety of bimekizumab in adult patients with axial spondyloarthritis or psoriatic arthritis: pooled results from integrated phase IIb/III clinical studies
Bibliographic record
Abstract
OBJECTIVE: To assess the long-term safety profile of bimekizumab (BKZ) in patients with axial spondyloarthritis (axSpA) and psoriatic arthritis (PsA). METHODS: Safety data pooled from six integrated phase IIb/III studies in axSpA and PsA are reported (to the July 2022 data-cut for phase III) for patients who received ≥1 dose of BKZ 160 mg every 4 weeks. Treatment-emergent adverse events (TEAEs) are reported using exposure-adjusted incidence rate per 100 patient-years (EAIR/100 PY). RESULTS: The axSpA and PsA safety pools included 848 (total BKZ exposure: 2034.4 PY) and 1407 patients (2590.8 PY), respectively. TEAEs occurred at an EAIR/100 PY of 136.9 in axSpA and 139.6 in PsA; study discontinuation due to TEAEs was low (axSpA: 2.7/100 PY; PsA: 3.1/100 PY). The three most frequently reported TEAEs were SARS-CoV-2 (COVID-19) infection (axSpA: 7.8/100 PY; PsA: 8.8/100 PY), nasopharyngitis (axSpA: 8.2/100 PY; PsA: 7.7/100 PY) and upper respiratory tract infection (axSpA: 5.0/100 PY; PsA: 5.6/100 PY). EAIR/100 PY of oral candidiasis was 3.7 in axSpA and 4.2 in PsA; most events were mild/moderate. EAIR of BKZ discontinuation due to oral candidiasis was low (both axSpA and PsA: 0.3/100 PY). No systemic fungal infections or cases of active tuberculosis were reported. EAIRs of adjudicated definite/probable inflammatory bowel disease, uveitis, adjudicated major adverse cardiovascular events and adjudicated suicidal ideation/behaviour were low. CONCLUSION: Overall, BKZ demonstrated good tolerability, with TEAE EAIRs comparable between axSpA and PsA cohorts, remaining stable over extended treatment periods. No new safety signals were identified. TRIAL REGISTRATION NUMBERS: NCT02963506 (BE AGILE); NCT03355573 (BE AGILE 2); NCT03928704 (BE MOBILE 1); NCT03928743 (BE MOBILE 2); NCT04436640 (BE MOVING); NCT02969525 (BE ACTIVE); NCT03347110 (BE ACTIVE 2); NCT03895203 (BE OPTIMAL); NCT03896581 (BE COMPLETE); NCT04009499 (BE VITAL).
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.003 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.008 | 0.001 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".