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Is upadacitinib available for children?
I also wanted to add that in the US, if Stelara did not work after Humira and the child had disease that was in the small bowel as well as the colon, they'd probably try Remicade. Or a combination of two biologics - one for the small bowel, one for the colon. She did respond to Humira for a while, right? So that would be considered secondary anti-TNF failure (i.e. it worked then you lost response vs. no response at all) and a second anti-TNF should work. I would DEFINITELY try Remicade over Cimzia. M has what her GI calls "mild to moderate Crohn's" though compared to kids on here, it seems quite mild to us. She was on Cimzia for 4 years, with a second biologic for her arthritis. She needed a double dose - two shots every two weeks instead of every 4 weeks and over time, those started lasting only 9 days or so. And then she'd start having diarrhea and would be up all night in the bathroom. She'd go from 3 BMs daily to 7-10 BMs daily. She became anemic, required iron infusions. And then once she'd have her next Cimzia dose, she'd magically get better.
I have to say, she did a LOT better on Remicade.
I know logistically Remicade would be extremely difficult, but I'd ask about home infusions after the loading doses. They're doing that more and more in the US, even for kids.
Other than that, Xeljanz or Tofacitinib might be an option. It's been approved for UC. There's another JAK inhibitor, Upadacitinib or Rinvoq that is in trials for Crohn's and doing very well - my kiddo is on that now and her Crohn's seems fine, though she is due for routine scopes.
I think for Little Pilgrim, scopes and an MRE would make a lot of sense since it's been a while and you need to know where the inflammation is, how bad it is etc.
Is upadacitinib available for children?