ENTRY 06 OF 07 · SUBCUTANEOUS MAINTENANCE DOSING

Leqembi Iqlik, subcutaneous maintenance

Approved Leqembi Iqlik (lecanemab) · case BUILT

Sponsor
Eisai
Action date
Approval letter, p. 48
Basis
Subcutaneous maintenance dosing after 18 months Prescribing information (label), p. 3
Committee
Not referred to an advisory committee Approval letter, p. 2
Confirmatory
PMR 4871-1: registry study, via Leqembi's PMR 4497-1

What the sponsor asked the agency to accept

As the FDA restates it.

[sponsor's request as restated in the FDA review: not loaded]

What the agency said

T3 · ARIAConsistent

IQM-T3-1

Finally, we have determined that only a clinical trial (rather than a nonclinical or observational study) will be sufficient to assess a known serious risk of amyloid related imaging abnormalities in patients who are homozygous for ApoE e4.

Approval letter · PDF p. 5 · action of · fda.gov ↗

Compared to LQT-T3-1, Leqembi, traditional approval, .

T3 · ARIAConsistent

IQM-T3-2

Patients who are apolipoprotein E ε4 (ApoE ε4) homozygotes (approximately 15% of Alzheimer’s disease patients) treated with this class of medications, including LEQEMBI, have a higher incidence of ARIA, including symptomatic, serious, and severe radiographic ARIA, compared to heterozygotes and noncarriers.

Prescribing information (label) · PDF p. 3 · action of · fda.gov ↗

Compared to KIS-T3-1, Kisunla, traditional approval, .

Advisory committee

Your application for Leqembi IQLIK was not referred to an FDA advisory committee because this biologic is not the first in its class.

Approval letter · PDF p. 2 · action of · fda.gov ↗