Drug levels of the following TNF Biologics can be measured:
Adalimumab (Humira), Infliximab (Remicade) and Ethanercept (Enbrel).
Anti-drug antibodies are measured when drug levels are low.
Other biologic drugs can also be measured e.g. ustekinumab, vedolizumab, natalizumab. Please indicate the monoclonal antibody drug on the request form and whether anti-drug antibodies or target antigen concentrations are required.
Enbrel = Etanercept
Humira = Adalimumab
Remicade = Infliximab
Serum samples should be taken from patients receiving TNF Biologics for at least 10 weeks.
Samples should be taken at drug trough, within the 24 hours prior to a dose.
Please indicate which TNF biologic drug the patient is receiving.
Ambient (8 - 24 degrees Celsius)
200uL serum (minimum), 1 mL serum (preferred)
Drug levels are measured by ELISA.
anti-drug antibodies are detected by HPLC.
$86.81 (Exclusive of GST)
An additional charge will apply for anti-drug antibody testing.
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