Drug class profile · refreshed daily from federal data

N-methyl-D-aspartate Receptor Antagonist

1 molecule in this class, $339.1M combined CY2024 Part D spend across 9.6M claims. Class-level guide below for benefits decision-makers: where the money lives, where the savings live.

Last updated
NADAC: weekly (every Wed)Part D Formulary: quarterlyPart D Spend: annualOrange Book: weeklyShortages: daily

Class summary at a glance.

Every drug in the N-methyl-D-aspartate Receptor Antagonist class tracked across NADAC, Part D Formulary, Part D Spending, FDA Orange Book, and shortage data. Ranked below by CY24 Part D spend. Click any molecule for the full drug profile.

Molecules in class
1tracked in Part D
CY24 Part D spend
$339.1Mcombined across class
Total Rx claims
9.6M2.1M unique beneficiaries
Generic mfrs (active)
24across all molecules

Every drug in this class, ranked by Part D spend.

CY2024 dataCMS Part D Spending Dashboard
01
Memantine
Brand: MEMANTINE · 9.6M Part D claims (CY24) · 2.1M beneficiaries · First FDA approval:
24 generic mfrs 1169 plans require PA Discontinued
Low NADAC$0.064
Avg plan cost$0.214
Part D spend $339.1M spread, current vs floor
Class share
100%
of class CY24 spend
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