“There was no evidence of systemic exposure to rhCNTF after ITV implantation of NT-501 in minipigs for up to 6 months or in rabbits for up to 9 months.”
✓ VerifiedFDA pharmacology/toxicology review, p. 2Source ↗
Pivotal GLP studies
Non-GLP 12-week rabbit ocular tox/PK; 3-part minipig/pig long-term ITV implant study to 6 months; unencapsulated-cell device failure study in minipigs
“The effect of long-term ITV implantation of NT-501 was evaluated in a 3-part toxicology study”
✓ VerifiedFDA pharmacology/toxicology review, p. 2Source ↗
Route in tox
Intravitreal (ITV) implantation via pars plana sclerotomy; SC rhCNTF in DART studies
“ENCELTO is intended for surgical implantation by intravitreal (ITV) insertion via a pars plana sclerotomy.”
✓ VerifiedFDA pharmacology/toxicology review, p. 1Source ↗