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A member asked:

What's average amount of time people can take biologics (ex: humira (adalimumab) or enbrel) before developing an immunity to it? do all patients develop immunity?

A doctor has provided 1 answer

See below: Patients are more apt to develop resistance to biologic if they are not on methotrexate. However; not all patients are candidate to be on methotrexate. Some patients never have a problem and some do. It is hard to comment on the average amount of time because it is an individual phenomena.

Answered 4/29/2015

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