Last Updated: November 8, 2026

DECAPRYN Drug Patent Profile

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Which patents cover Decapryn, and what generic alternatives are available?

Decapryn is a drug marketed by Sanofi Aventis Us and is included in one NDA.

The generic ingredient in DECAPRYN is doxylamine succinate. There is one drug master file entry for this compound. Thirty-six suppliers are listed for this compound. Additional details are available on the doxylamine succinate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Decapryn

A generic version of DECAPRYN was approved as doxylamine succinate by PERRIGO on September 18th, 1996.

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Summary for DECAPRYN
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 1
Patent Applications: 1,599
DailyMed Link:DECAPRYN at DailyMed

US Patents and Regulatory Information for DECAPRYN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Sanofi Aventis Us DECAPRYN doxylamine succinate TABLET;ORAL 006412-015 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Sanofi Aventis Us DECAPRYN doxylamine succinate TABLET;ORAL 006412-014 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Last updated: July 24, 2026

ecutive summary Decapryn is not a describable, reliably identifiable FDA/EMA pharmaceutical product with a verifiable active ingredient, sponsor, NDA/BLA/ANDA listing, or publicly traceable sales record in standard patent-regulatory datasets at the level required for an actionable market and financial trajectory analysis. With no confirmable identity (active moiety, route, dosage form, manufacturer, regulatory status, or filings) the market dynamics cannot be tied to an Orange Book/Biosimilar/label record, and revenue trajectory would be non-auditable.

Market dynamics and financial trajectory for DECAPRYN: what is the commercial product profile

Featured snippet answer: None can be produced from verifiable public records because “DECAPRYN” is not uniquely attributable to a specific FDA/EMA drug identity (active ingredient, strength, dosage form) from which sales, market, and exclusivity data can be derived.

What product identity is required to model market dynamics

To connect price, volume, competitor entry, payer coverage, and exclusivity timing, the drug must map to at least one of:

  • An FDA National Drug Code (NDC) with label and sponsor
  • An FDA Orange Book listing (NDA/ANDA) tied to an active ingredient
  • An FDA approval record with generic competition history (Paragraph IV, settlements)
  • An EMA marketing authorization with the INN and marketing authorization holder
  • A cataloged biologic/biosimilar entry (for BLAs)

No such mapping is possible from the provided input.

Which active ingredient and route does DECAPRYN correspond to in major drug registries

Featured snippet answer: No registry mapping can be produced because the input does not specify the INN/active ingredient, formulation, or regulatory application.

Registry fields that must be present

  • INN/active ingredient (decapryn name alone is insufficient)
  • Dosage form (tablet, capsule, injection, topical, etc.)
  • Strengths and route (oral, IV, IM, dermal)
  • Applicant/marketing authorization holder
  • Regulatory pathway (505(b)(1), 505(b)(2), 505(j), etc.)

What is the Orange Book status of DECAPRYN

Featured snippet answer: Orange Book status cannot be determined without a correct NDA/ANDA identifier tied to the active ingredient.

Why this blocks exclusivity and competitor timing modeling

Orange Book status drives:

  • 5-year and 3-year exclusivity windows
  • patent-to-approval linkages
  • Paragraph IV eligibility dates
  • listed patents that shape settlement and launch risk

When does DECAPRYN lose exclusivity and when can generics enter

Featured snippet answer: Exclusivity loss and generic entry dates cannot be produced because patent numbers and FDA exclusivity end dates cannot be tied to DECAPRYN.

Exclusivity levers that require verifiable FDA records

  • Application grants (NCE, new dosage form, new indication)
  • Listed “drug product” and “method-of-use” patents
  • Patent expiration vs regulatory exclusivity interactions
  • Any pediatric exclusivity or granted patent term extensions

What patents protect DECAPRYN and which jurisdictions matter

Featured snippet answer: No patent estate can be enumerated without an attributable active ingredient and NDA/BLA.

Patent estate items needed for a protection map

  • Assignee chain and priority dates
  • Formulation patents (e.g., crystalline form, salts, polymorphs)
  • Process patents (manufacturing methods)
  • Use patents (indications, dosing regimens)
  • Geographic filings (US, EP, CN, JP, IN, KR)

What is the competitive landscape for DECAPRYN (branded, generic, biosimilar)

Featured snippet answer: Competitive landscape cannot be constructed without confirming the drug identity that determines comparable products.

Competitive forces that must be computed from the product mapping

  • Therapeutic class substitutability
  • Formulary positioning by class
  • Actual generic or parallel import presence
  • Pricing bands (WAC, AMP-based benchmarks, tender prices)
  • Evidence requirements for interchangeability

What is the litigation and settlement history for DECAPRYN

Featured snippet answer: No Paragraph IV or Hatch-Waxman litigation can be identified without the correct FDA application and active ingredient.

Litigation data points required

  • Court docket entries and parties (brand vs ANDA filers)
  • Stipulated dismissals and entry-date carve-outs
  • NDA/BLA exclusivity defenses and patent infringement claims
  • Generic launch triggers in settlement agreements

What are the payer and reimbursement dynamics for DECAPRYN

Featured snippet answer: Payer dynamics cannot be tied to a product without drug identity and label information (indication, dosing, route, patient population).

Reimbursement variables that typically drive demand

  • Step therapy requirements
  • Prior authorization thresholds
  • Specialty pharmacy vs retail
  • Preferred drug list placement
  • Net-to-gross changes driven by rebates/discounts

How does DECAPRYN perform commercially: revenue, volume, and pricing trajectory

Featured snippet answer: A financial trajectory cannot be produced because no attributable sales dataset can be linked to DECAPRYN.

Commercial metrics required for a defensible trajectory

  • Global and US revenue (quarterly and annual)
  • Unit sales and average net price
  • Channel mix (hospital, retail, specialty)
  • Geographic breakdown (US, EU5, LatAm, MENA, APAC)
  • Forecast impacts from patent expiry and generic entry

What generic entry risks exist for DECAPRYN

Featured snippet answer: Generic entry risks cannot be quantified without confirmed patent and ANDA history.

How to assess entry risk once the drug is identified

  • Identify earliest Paragraph IV eligibility window
  • Map forfeited/infringed claims and settlement scope
  • Estimate launch probability by filing count and injunction status
  • Assess formulation barriers (bioequivalence, polymorph, manufacturing)

How does DECAPRYN compare with closest-in-class drugs

Featured snippet answer: No comparison can be produced without the active ingredient and therapeutic indication.

Comparison framework that requires identity

  • Efficacy endpoints and clinical differentiators
  • Safety and label constraints
  • Dosing convenience and adherence factors
  • Competitive pricing and formulary adoption rate

Data tables for DECAPRYN market and financial trajectory

Featured snippet answer: No tables can be generated without an identifiable product mapping to FDA/EMA and a corresponding sponsor/sales source.

Key Takeaways

  • DECAPRYN cannot be mapped to a unique, verifiable FDA/EMA drug identity from the provided input.
  • Without that mapping, exclusivity timelines, patent estate, generic entry probability, litigation, payer dynamics, and revenue trajectory cannot be produced in an auditable way.

FAQs

  1. What does “DECAPRYN” refer to in FDA drug listings?
  2. Is DECAPRYN an NDA, ANDA, or OTC product?
  3. What are the patent and exclusivity end dates for DECAPRYN in the US?
  4. Has DECAPRYN faced Paragraph IV challenges or generic litigation?
  5. Which companies sell DECAPRYN and what is its pricing trend?

References (APA)

  1. FDA Orange Book. U.S. FDA. https://www.accessdata.fda.gov/scripts/cder/daf/ (access required for product mapping)

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