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IMPROVED METHOD AND TEST SYSTEM FOR IN-VITRO DETERMINATION OF DRUG ANTIBODIES IN BLOOD
IMPROVED METHOD AND TEST SYSTEM FOR IN-VITRO DETERMINATION OF DRUG ANTIBODIES IN BLOOD
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机译:改进的血液中药物抗体的体外测定方法和试验系统
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摘要
Method of determining therapeutic drug antibodies in a sample of bodily fluid of a subject receiving a medication containing a therapeutic drug antibodies against tumor necrosis factor alpha. The method is used in an lateral flow immunochromatographic test wherein the immunochromatographic bridging and binding in the test line comprises the use of an anti-idiotypic scFv fragment or Fab fragment fused to a carrier protein which is not involved in nor plays a role in the inherent or developed immune system. The fusion protein may contain human serum albumin, chicken ovalbumin, human haptoglobin or human alpha-1- antitrypsin. The immunological reaction is therefore not impaired, augmented or interfered by members of the complement system or by autoantibodies such as the rheumatoid factor. This is of particular importance and favorable when determining the concentration of tumor necrosis alpha blockers such as adalimumab or infliximab in serum or blood of patients.
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