Halozyme Therapeutics Inc (HALO)

[biotechinvestor1]

Zero doubt. 100% certain it is an active ingredient. No attorney is needed. From the FDA package insert for Faspro (see last page on the link below):

“What are the ingredients in DARZALEX FASPRO?
Active ingredient: daratumumab and hyaluronidase-fihj|
Inactive ingredients: L-histidine, L-histidine hydrochloride monohydrate, L-methionine, polysorbate 20, sorbitol, and water for injection.”

hyaluronidase is another name for Enhanze/RHUPH20.

https://www.accessdata.fda.gov/drugsatfda_docs/label/2022/761145s012lbl.pdf