Product Information
PERAMPANEL 4 MG TABLET is a generic product labeled by Sun Pharmaceutical Industries Inc., priced at $14.4339 per EA under NDC 51672420506. Its NADAC has been published 39 times since Jan 7, 2026.
FDA first approved this application on Nov 25, 2025. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
4 mg/1
Manufacturer
Sun Pharmaceutical Industries Inc.NDC
51672420506
Classification
Generic
Dosage Form
TABLET, FILM COATED
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
PERAMPANELApproval Type
Generic (ANDA)
FDA Application
ANDA209538FDA Approved
11/25/2025
TE Code
AB
On Market Since
11/25/2025
Pharmacological Classes
Price Statistics
The NADAC for PERAMPANEL 4 MG TABLET has been published 39 times since Jan 7, 2026, and over the history we have for it it has declined 54.3%. The table below summarizes its recorded NADAC range and movement.
| Current price | $14.4339 per EA |
|---|---|
| All-time high | $31.9257 (Feb 11, 2026) |
| All-time low | $14.4339 (Sep 23, 2026) |
| 52-week high | $31.9257 |
| 52-week low | $14.4339 |
| Median price | $17.4127 |
| Average price | $21.6405 |
| Largest weekly change | -19.8% (Apr 22, 2026) |
| Weeks tracked | 39 |
| Tracking since | Jan 7, 2026 |
Generic Alternatives
The matcher finds 2 manufacturers offering a NADAC-published product with this drug's active ingredient and strength in a comparable dosage form (cheapest from each manufacturer, up to 10 shown below). None of the shown alternatives sit below the current price. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Related Drugs
Same classification
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Manufacturer
Sun Pharmaceutical Industries Inc. manufacturer profile
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Drug market
Perampanel market comparison
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Therapeutic class
Noncompetitive AMPA Glutamate Receptor Antagonist class view
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Trend hub
Latest market trends
Zoom back out to the weekly mover view and compare this NDC with the rest of the current NADAC release.
Guide
Understanding NADAC pricing
Use the explainer when you need context on how CMS publishes NADAC and how to interpret the number on this page.
Frequently asked questions
What is the NADAC price of PERAMPANEL 4 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for PERAMPANEL 4 MG TABLET, manufactured by Sun Pharmaceutical Industries Inc., is $14.4339 per EA (NDC 51672420506), effective Sep 30, 2026.
How has the price of PERAMPANEL 4 MG TABLET changed over time?
Over the history we have for it, the NADAC for PERAMPANEL 4 MG TABLET has declined 54.3%. It has been tracked across 39 weekly CMS publications since Jan 7, 2026.
What are the highest and lowest recorded NADAC prices for PERAMPANEL 4 MG TABLET?
Since Jan 7, 2026, the NADAC for PERAMPANEL 4 MG TABLET has ranged from a low of $14.4339 (Sep 23, 2026) to a high of $31.9257 (Feb 11, 2026), with a median of $17.4127 per EA.
Are there cheaper alternatives to PERAMPANEL 4 MG TABLET?
2 manufacturers publish a NADAC-priced product with the same active ingredient and strength as PERAMPANEL 4 MG TABLET in a comparable dosage form, but none are currently priced below it.
Who manufactures PERAMPANEL 4 MG TABLET?
PERAMPANEL 4 MG TABLET (NDC 51672420506) is labeled by Sun Pharmaceutical Industries Inc., and CMS classifies it as a generic product.