The following taken from your link, sure doesn’t sound like it was a success. Definitely proves it’s no wonder drug whatsoever, like some here try to claim.
“ All treated patients received 2 administrations of PLX-R18. Six of the 21 patients did not complete 12 months of follow up: 4 patients died (2 in Cohort 2 and 2 in Cohort 3), 1 patient was lost to follow up (Cohort 1), and 1 patient was discontinued due to “persistent PGF requiring additional treatment”