Laboratory Medicine
Test Directory / Natalizumab Antibodies
Natalizumab Antibodies
Brown clotted serum, gel barrier
| Test | Natalizumab Antibodies |
|---|---|
| Common Abbreviations | NATA, ANAT, Tysabri Antibodies |
| Profile | N/A |
| Clinical Indication | This test is used to detect antibodies that reduce the efficacy of Nalatizumab drug treatment. Natalizumab is a monoclonal antibody (Tysabri) used to treat multiple sclerosis and Crohns disease. Patients may develop antibodies against the drug, reducing efficacy. The antibodies may be transient or persistent |
| Specimen Type | Blood |
| Sample Type | Serum |
| Minimum Volume | 4 ml |
| Special Precautions | Sample must be frozen within 2 hours of collection and transport frozen on dry ice to the reference laboratory. |
| Stability | Contact Referral Laboratory |
| Turnaround Time | 42 days |
| Laboratory | Immunology Department, Barts Health NHS Trust, London (East and South East London Pathology Partnership) |
| Reference Interval | Normal Result: Negative |
| Limitations | Contact Referral Laboratory |
