Last Updated: June 25, 2026

Suppliers and packagers for ec-naprosyn


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ec-naprosyn

Listed suppliers include manufacturers, repackagers, relabelers, and private labeling entitities.

Applicant Tradename Generic Name Dosage NDA NDA/ANDA Supplier Package Code Package Marketing Start
Atnahs Pharma Us EC-NAPROSYN naproxen TABLET, DELAYED RELEASE;ORAL 020067 NDA AUTHORIZED GENERIC Zameer Pharmaceuticals LLC 90096-161-01 100 TABLET, DELAYED RELEASE in 1 BOTTLE (90096-161-01) 2025-08-31
>Applicant >Tradename >Generic Name >Dosage >NDA >NDA/ANDA >Supplier >Package Code >Package >Marketing Start

Suppliers and packagers for ec-naprosyn

Last updated: May 28, 2026

EC-Naprosyn (naproxen) Suppliers: Who Manufactures and Supplies the Branded Product and Generics

Executive summary: EC-Naprosyn is the branded prescription form of naproxen. The supply chain is typically split between (1) the company holding the FDA NDA/labeling and (2) manufacturing sites that produce the tablets under contract. The most decision-relevant supplier view for exclusivity, sourcing risk, and generic substitution is the FDA Orange Book “listed drugs” plus current label/manufacturing site data.

No sufficient, citable dataset is available in the provided context to identify named suppliers/manufacturers for EC-Naprosyn specifically (as distinct from naproxen broadly), or to map them to the exact FDA labeler, NDA holder, and site-level manufacturers.

Which companies supply EC-Naprosyn (naproxen) in the U.S.?

Featured answer: None can be listed from the information provided.

What is the “labeler” on EC-Naprosyn’s FDA listing?

  • EC-Naprosyn is a branded naproxen product, and the FDA listing would identify the labeler and manufacturer(s) on file.
  • No Orange Book labeler/manufacturer identifiers were supplied in the prompt, so supplier names cannot be produced.

Do suppliers differ by dosage strength and package size?

  • For oral solids like naproxen tablets, labeler and manufacturing sites can vary by strength, revision history, and supplement filings.
  • The prompt does not include strengths, NDC(s), or FDA listing identifiers.

What patents protect EC-Naprosyn and affect who can supply it?

Featured answer: Not determinable from the provided context.

How does patent status constrain suppliers?

  • Brand-to-generic transitions depend on the expiration of NDA-held exclusivities and listed patents in the Orange Book.
  • EC-Naprosyn supplier landscape depends on whether competitors can launch ANDAs with Paragraph IV certifications or on non-patent exclusivity.
  • No patent numbers or Orange Book entries were provided.

What is the Orange Book status of EC-Naprosyn?

Featured answer: Not determinable from the provided context.

What listed patents and exclusivities would show up for EC-Naprosyn?

  • The Orange Book record would list:
    • patent numbers
    • expiration dates
    • exclusivity type (e.g., 5-year, 3-year, pediatric)
    • dosage form/route
  • None of these data points were provided, so status cannot be stated.

How many generic suppliers can sell naproxen tablets under EC-Naprosyn labeling?

Featured answer: Not determinable from the provided context.

What determines generic supplier count?

  • ANDA approvals
  • NDC availability
  • manufacturing capacity
  • patent and exclusivity barriers
  • The prompt provides no NDCs, ANDA numbers, or approval list.

Which ANDA manufacturers compete with EC-Naprosyn for naproxen tablets?

Featured answer: Not determinable from the provided context.

What is the relevant comparison set?

  • Competitors are not “naproxen” broadly, but the approved naproxen tablets with matching:
    • strength
    • dosage form
    • route (oral)
    • formulation and labeling relevance
  • No EC-Naprosyn strengths or NDCs were provided.

What are the supply-chain risk points for naproxen tablets sourced from contract manufacturers?

Featured answer: General categories only, not EC-Naprosyn-specific.

Where supply disruptions usually occur

  • API sourcing
  • tablet core compression and coating line capacity
  • packaging and serialization requirements
  • inspection outcomes at manufacturing sites
  • Without EC-Naprosyn site identifiers, this cannot be mapped to named suppliers.

How does FDA regulatory standing impact suppliers for EC-Naprosyn?

Featured answer: Not determinable from the provided context.

What to check in FDA records

  • inspection history for listed manufacturing sites
  • any Form 483 observations affecting manufacturing
  • recall history
  • The prompt provides no supplier/site list to audit.

What’s the commercial exposure if EC-Naprosyn shifts suppliers?

Featured answer: Not determinable from the provided context.

What drives switching risk

  • NDAs/labeling changes
  • contract manufacturing reassignments
  • regulatory supplements for manufacturing site changes
  • distribution contract renewals
  • Without site-level supplier data, exposure can’t be quantified.

Key Takeaways

  • Named suppliers for EC-Naprosyn cannot be identified from the information provided.
  • A correct supplier answer requires the EC-Naprosyn FDA listing (labeler/manufacturer sites and NDCs) plus the Orange Book “listed drug” and, for generics, corresponding ANDA manufacturer/packager data.
  • With those identifiers, supplier mapping can be done cleanly by strength and dosage form.

FAQs

  1. What data fields show the manufacturing supplier for a branded drug on FDA listings?
  2. How can I map EC-Naprosyn NDCs to manufacturer sites?
  3. What’s the difference between an FDA labeler and a contract manufacturer?
  4. How do Orange Book listed patents influence who can supply generic naproxen tablets?
  5. What records should be reviewed to assess manufacturing reliability for naproxen tablet suppliers?

References

No sources were cited because no FDA Orange Book labeler/manufacturer data, NDA/ANDA identifiers, or NDCs were provided in the prompt.

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