FDA Classifies Yet Another Bowel Disease Antibody Test
Published Date: 9/10/2026
Rule
Summary
The Food and Drug Administration (FDA) is classifying the anti-tumor necrosis factor alpha monoclonal antibody test system for inflammatory bowel disease into class II (special controls). The special controls that apply to the device type are identified in this order and will be part of the codified language for classification of the anti-tumor necrosis factor alpha monoclonal antibody test system for inflammatory bowel disease. We are taking this action because we have determined that classifying the device into class II will provide a reasonable assurance of the safety and effectiveness of the device. We believe this action will also enhance patients' access to beneficial innovative devices, in part by reducing regulatory burdens.
Analyzed Economic Effects
3 provisions identified: 2 benefits, 1 costs, 0 mixed.
Class II Rule May Improve Patient Access
If you have Crohn's disease or ulcerative colitis, FDA has classified the anti‑TNF alpha monoclonal antibody test system as Class II, effective September 10, 2026 (classification applicable September 29, 2023). FDA says this Class II decision provides reasonable assurance of safety and effectiveness and will enhance patient access in part by reducing regulatory burdens.
New Predicate Pathway Eases Future Devices
Because FDA classified this test via the De Novo process, this device type can serve as a predicate for future devices, letting other sponsors use the less burdensome 510(k) process instead of De Novo or premarket approval. That change can reduce regulatory burdens for future device makers and speed market entry for similar tests.
Manufacturers Face 510(k) And Special Controls
Manufacturers of this anti‑TNF alpha monoclonal antibody test system must comply with special controls and submit a premarket notification (510(k)); FDA has not exempted this device from 510(k). The special controls require detailed design verification and validation (including precision, reproducibility, linearity, accuracy, high dose hook effect, sample stability, detection limits—limit of blank, limit of detection, limit of quantification—and analytical specificity), traceability to an internationally recognized reference material, and labeling with limiting statements that the device is for Crohn's disease or ulcerative colitis only and is an aid to management, not a replacement for clinical judgment.
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