Last Updated: July 10, 2026

XTRELUS Drug Patent Profile


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When do Xtrelus patents expire, and what generic alternatives are available?

Xtrelus is a drug marketed by Eci Pharms Llc and is included in one NDA.

The generic ingredient in XTRELUS is guaifenesin; hydrocodone bitartrate. There are twenty drug master file entries for this compound. Additional details are available on the guaifenesin; hydrocodone bitartrate profile page.

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Summary for XTRELUS
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 2
Patent Applications: 15
DailyMed Link:XTRELUS at DailyMed

US Patents and Regulatory Information for XTRELUS

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Eci Pharms Llc XTRELUS guaifenesin; hydrocodone bitartrate TABLET;ORAL 208085-001 Apr 25, 2018 DISCN Yes 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

XTRELIUS (XTRELUS) market dynamics and financial trajectory: revenue drivers, payer behavior, launch ramp, and exclusivity/patent risk

Last updated: June 20, 2026

XTRELUS market performance hinges on (1) formulary access in Medicare Part D and commercial plans, (2) competitive positioning versus alternative therapies in its indication, and (3) the durability of brand exclusivity through the patent and regulatory exclusivity timeline that governs generic and biosimilar entry risk. However, no drug-level, financial, or FDA/Orange Book exclusivity data for “XTRELUS” is available in the provided information set. Under the constraints, no complete and accurate market-dynamics or financial-trajectory profile can be produced.

Market dynamics for XTRELUS: What drives uptake and payer adoption?

No authoritative data is available here tying XTRELUS to an FDA-approved product, therapeutic class, dosing form, labeled indication(s), manufacturer, NDC, launch date, or payer coverage metrics. Without those inputs, market-dynamics mapping (formularies, step edits, prior authorization criteria, utilization trends, and switching behavior) cannot be stated accurately.

What payer coverage levers determine XTRELUS uptake?

Common levers include:

  • Formulary placement (preferred vs non-preferred tiering)
  • Prior authorization and step therapy rules
  • Specialty pharmacy vs retail distribution strategy
  • Patient assistance programs and copay support structures

No XTRELUS-specific data is available to quantify these levers.

How does XTRELUS pricing and contracting shape net-to-gross?

Brand net pricing depends on rebate structure, Medicare discounting, and specialty pharmacy margins. XTRELUS-specific net-to-gross and ASP evolution cannot be calculated without verified financial disclosures or NDC-linked pricing data.

Financial trajectory for XTRELUS: What revenue ramp should investors expect?

A financial trajectory requires:

  • Product-level revenue reporting (quarterly/annual)
  • Launch timing and period-over-period growth rates
  • Channel mix (hospital, retail, specialty, direct)
  • Price changes and volume changes (unit sales vs ASP)

No financial statements, sales curves, or regulatory/labeling details for XTRELUS are available in the provided information set, so any forecast or historical narrative would be incomplete.

Revenue model: volume, price, and mix

In validated brand models, revenue is decomposed as:

  • Units dispensed or administered
  • Net price per unit after rebates/discounts
  • Patient persistence and adherence (if chronic)
  • Indication breadth and substitution risk

No XTRELUS-specific unit or pricing series is available.

Margin profile and cash burn considerations

Margin depends on manufacturing cost structure, distribution model, and commercialization spend. XTRELUS-specific gross margin and operating expense disclosures are not available here.

What patents and exclusivity govern XTRELUS commercial life?

A market and financial trajectory for a single branded drug requires a specific regulatory and patent map:

  • Orange Book listing(s) for the approved drug product
  • Patent type coverage (composition, formulation, method of use, manufacturing)
  • Statutory exclusivities (NCE, pediatric exclusivity, 5-year/3-year, orphan, etc.)
  • Expected earliest generic entry date and switch-risk triggers

No Orange Book or patent-identification data for XTRELUS is available here, so exclusivity-driven timelines cannot be generated.

When does XTRELUS lose exclusivity?

No verified expiration or exclusivity end date is available for XTRELUS in the provided information set.

What generic entry risks exist for XTRELUS?

Risk depends on:

  • Number and strength of blocking patents
  • Whether Paragraph IV challenges are pending
  • Likelihood of carve-outs and authorized generics
  • Settlement terms that control launch dates

No XTRELUS litigation or Paragraph IV docket entries are available here.

How does XTRELUS compare with competing therapies in its class?

A competitive landscape requires:

  • Competitor product names and regulatory status (brand/generic)
  • Clinical differentiators that affect formulary positioning
  • Evidence strength (head-to-head trials, guidelines inclusion)
  • Switching barriers and patient segment overlap

No XTRELUS indication, mechanism, or labeled regimen is available here, preventing a grounded comparative analysis.

Which companies are challenging XTRELUS?

No generic/biosimilar challenger list is available.

How strong is the patent estate for XTRELUS versus peers?

No estate metrics (active patents, remaining term, claim scope, litigations) exist here.

What is the Orange Book status of XTRELUS?

No Orange Book listing details (application number, listed patents, expiration dates, regulatory exclusivity code) are available.

What formulations are protected by XTRELUS patents?

No formulation or dosage-form coverage is available.

What method-of-use patents cover XTRELUS?

No method-of-use coverage is available.

What patent litigation affects XTRELUS market timing?

To model litigation impact on financial trajectory, the analysis needs:

  • Case captions, courts, filing dates
  • Asserted patents and claim constructions
  • Markman outcomes, preliminary injunction status
  • Settlement or consent decree dates and end dates of stay periods

No litigation record for XTRELUS is available.

Settlement agreements that delay generic launch

No settlement terms are available.

Regulatory and commercialization milestones: How did XTRELUS get to market?

A credible financial trajectory is anchored on:

  • FDA approval date(s)
  • NDA/BLA pathway (standard vs priority; breakthrough designation)
  • Labeling expansions and supplement approvals
  • REMS requirements and post-marketing commitments

No XTRELUS approval timeline data is available.

Geographic and channel dynamics for XTRELUS: Where does demand concentrate and how is it sold?

Channel and geography depend on distribution agreements, hospital penetration, specialty pharmacy contracts, and payer mix. No XTRELUS-specific commercialization footprint is available.

US vs ex-US revenue exposure

No country-level revenue split is available.

Hospital vs retail vs specialty distribution

No distribution model details are available.


Key Takeaways

  • A market-dynamics and financial-trajectory assessment for XTRELUS cannot be completed without validated drug identity and source-linked data (FDA product, Orange Book/patent estate, launch date, and product sales).
  • Under the current constraints, generating exclusivity timelines, competitive positioning, or revenue ramp metrics for XTRELUS would be inaccurate.

FAQs

  1. What is the FDA approval status and labeled indication for XTRELUS?
  2. What patents (Orange Book) protect XTRELUS, and when do they expire?
  3. Are there any Paragraph IV challenges filed against XTRELUS, and what settlements control launch dates?
  4. How does XTRELUS pricing and net-to-gross evolve versus therapeutic alternatives?
  5. What payer coverage trends (Part D and commercial formularies) influence XTRELUS unit growth?

References

No sources were cited because no XTRELUS-specific FDA, Orange Book, patent, litigation, or financial data was provided in the input.

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