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Human Immunodeficiency Virus Nucleoside Analog Reverse Transcriptase Inhibitor
Zidovudine
Brand: RETROVIR
First FDA approval:
Human Immunodeficiency Virus Nucleoside Analog Reverse Transcriptase Inhibitor
Abacavir
Brand: Abacavir
First FDA approval:
Lowest NADACAcquisition cost floor across all NDCs
$0.150Per unit
$0.652Per unit
Average NADACAcross all dosage forms and strengths
$0.291Up to $0.432
$0.652Up to $0.652
Generic manufacturersActive ANDA holders — FDA Orange Book
47 total ANDAs filed
57 total ANDAs filed
Annualized Part D spendCY2024 — CMS Part D Spending Dashboard
$250683Full year
$4.2MFull year
Part D claims (CY24)Total fills, all strengths
4K706 beneficiaries
23K4K beneficiaries
Avg cost per claimCalculated: total spend ÷ total claims
$66Per claim, all NDCs
$180Per claim, all NDCs
Part D plans surveyed2026 plan year — CMS Formulary file
329Across CMS plan year
329Across CMS plan year
Prior-authorization frictionPlan-NDC pairs requiring PA
0Zero PA friction
0Zero PA friction
Step therapy appliedPlan-NDC pairs requiring step therapy
0None
0None
FDA shortage statusLive cross-reference vs FDA Drug Shortage Database
NoneClear
NoneClear
Generic availableFDA Orange Book
Yes4 manufacturers
Yes5 manufacturers