Normal NZW rabbits: 7-day ocular dosing showed a trend to increased tear film breakup time (TFBUT)
“Two (2) in vivo non-GLP rabbit studies showed after four times daily ocular instillations of F6H8 into the right eye of NZW rabbits for 7 days, a trend with an increase of TFBUT (tear film breakup time) 15 minutes after the last administration of F6H8”
✓ VerifiedFDA pharmacology/toxicology review, p. 14Source ↗
Why that model
Not stated in public reviews
Not reported in the public reviews. Reviewers summarise selectively, so this usually means it wasn't discussed publicly, not that it wasn't studied.
Reviewer's view of the efficacy data
FDA: F6H8 is physically, chemically and physiologically inert, with no known pharmacological activity
“F6H8 is physically, chemically and physiologically inert, and has no known pharmacology activity.”
✓ VerifiedFDA pharmacology/toxicology review, p. 14Source ↗