“General Toxicology: the oral toxicity of lasmiditan was tested in Sprague-Dawley rat (4-week + 2-week recovery, 13-week + 4-week recovery, and 26-week + 8-week recovery) and Beagle dog (2-week, 4-week + 2-week recovery, 13-week + 4-week recovery, and 39-week + 8-week recovery).”
✓ VerifiedFDA pharmacology/toxicology review, p. 5Source ↗
Why that species
Major human metabolites M8 and M18 are produced in mouse, rat, rabbit and dog
“In humans, the major circulating metabolites are M8 and[S,R]-M18, which account for 47.5 and 10.5% of drug-related material in circulation. Both metabolites were produced in mouse, rat, rabbit, and dog.”
✓ VerifiedFDA pharmacology/toxicology review, p. 4Source ↗
Surrogate molecule
No surrogate; the clinical compound was tested
“In rat, lasmiditan was administered at doses up to 100 (4-week study) or 200 (13- and 26-week studies) mg/kg/day.”
✓ VerifiedFDA pharmacology/toxicology review, p. 5Source ↗