How does being on dupixent for eczema affect food allergy SPT and IgE testing?

Food-specific IgE levels and skin tests get significantly smaller on Dupixent. See Spekhorst et al., PMID 36420598.

Despite this, many are still clinically reactive at these levels, whereas many others not on Dupixent might be passing the oral food challenge. That's my and my colleagues' experience. ...

I have multiple patients on Dupixent (atopic dermatitis, nasal polyps, asthma, and food allergies).

Most recently, a patient in their 60s with an IgE of 7,000 and Class 5 to shellfish with well-controlled asthma, chronic sinusitis/nasal polyps, atopic dermatitis, and food allergy to shellfish passed...