Radiolabeled iron studies in rats (confirmed in dogs): iron transferred to transferrin and ferritin; literature on iron
“Studies with radiolabeled iron in rats, confirmed in dogs and humans, demonstrate that intact ferric maltol is found in the gastrointestinal tract, but not in the blood.”
✓ VerifiedFDA multi-discipline review, p. 28Source ↗
Why that model
Iron pharmacology extensively characterized in the literature
“The scientific literature includes an exhaustive characterization of the presence and pharmacological effects of iron in the human body.”
✓ VerifiedFDA multi-discipline review, p. 28Source ↗
Reviewer's view of the efficacy data
FDA: nonclinical pharmacology/toxicology package adequate; no outstanding issues
“The nonclinical pharmacology/toxicology studies submitted to the NDA are adequate and there are no outstanding issues from a nonclinical perspective that would prevent approval of ferric maltol for the proposed indication.”
✓ VerifiedFDA multi-discipline review, p. 28Source ↗