From https://www.rxlist.com/dupixent-drug.htm "Dupilumab is...

From https://www.rxlist.com/dupixent-drug.htm

"Dupilumab is produced by recombinant DNA technology in Chinese Hamster Ovary cell suspension culture."

Administering Dupilumab appears a tad complicated:

"DUPIXENT is administered by subcutaneous injection."

"During the 52-week treatment period of concomitant therapy trial (Trial 3), conjunctivitis was reported in 16% of the DUPIXENT 300 mg Q2W + TCS group (20 per 100 subject-years) and in 9% of the placebo + TCS group (10 per 100 subject-years) [see WARNINGS AND PRECAUTIONS]."

So IMO results so far suggest BTX 1204 will be generally superior to DUPIXENT.

DYOR, I am not a doctor although I am currently attending my grand-children's sick cat, assisted by a doctor.