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Does the requirement for baseline CYP2C9 genotype testing alone deter you from prescribing deuruxolitinib over baricitinib or ritlecitinib for adult alopecia areata?

Or do dosing frequency or drug-drug interactions with CYP2C9 inhibitors also impact your decision?
Community PollStarted

When selecting an oral JAK inhibitor for adult alopecia areata, how significantly do deuruxolitinib's twice-daily dosing and mandatory baseline CYP2C9 genotype testing lead you to favor once-daily alternatives (e.g., baricitinib, ritlecitinib)?

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3 Answers
Mednet MemberInvited Expert
Dermatology · UCLA Health
Answered on · Updated on

This does not deter me from prescribing deuruxolitinib. I often have to get baseline labs, and patients are not necessarily ready to start a JAK inhibitor when we first discuss it, so the time it takes to get the results is not a deterrent. The only thing that would impact my decision is less famili...

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Mednet MemberInvited Expert
Dermatology · Mount Sinai
Answered on

Deciding between the different oral JAK inhibitors is a nuanced process, but if the patient and I decide that deuruxolitinib is the best option, the baseline CYP2C9 genetic testing does not deter me (nor does it factor into the decision about whether it is the best option). I view the CYP2C9 test si...

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Mednet MemberInvited Expert
Dermatology · University of Pennsylvania
Answered on

Yes, both the need for genotype testing and potential drug-drug interactions limit my use of deuruxolitinib.

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