Last Updated: June 17, 2026

LANIAZID Drug Patent Profile


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

Laniazid is a drug marketed by Lannett and Chartwell Molecular and is included in three NDAs.

The generic ingredient in LANIAZID is isoniazid. There are five drug master file entries for this compound. Sixteen suppliers are listed for this compound. Additional details are available on the isoniazid profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Laniazid

A generic version of LANIAZID was approved as isoniazid by CMP PHARMA INC on November 10th, 1983.

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Questions you can ask:
  • What is the 5 year forecast for LANIAZID?
  • What are the global sales for LANIAZID?
  • What is Average Wholesale Price for LANIAZID?
Pharmacology for LANIAZID
Drug ClassAntimycobacterial

US Patents and Regulatory Information for LANIAZID

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Lannett LANIAZID isoniazid SYRUP;ORAL 089243-001 Feb 3, 1986 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Chartwell Molecular LANIAZID isoniazid TABLET;ORAL 089776-001 Jun 13, 1988 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Chartwell Molecular LANIAZID isoniazid TABLET;ORAL 080140-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Chartwell Molecular LANIAZID isoniazid TABLET;ORAL 080140-002 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: April 24, 2026

LANIAZID: Market Dynamics and Financial Trajectory

LANIAZID is a branded pharmaceutical product. No licensing, regulatory, or financial-grade market and pricing data is available in the provided materials to support a complete, accurate market dynamics and financial trajectory assessment.

What market does LANIAZID participate in (and how is it segmented)?

No verified information is available here on:

  • Jurisdictions where LANIAZID is marketed
  • Therapeutic indication(s) and patient population
  • Formulation and route (e.g., oral tablet vs. injection)
  • Target geography segmentation (US/EU/UK/other)
  • Status of exclusivity or generic competition by market

How do pricing and reimbursement dynamics affect LANIAZID revenue?

No verified information is available here on:

  • Ex-factory and wholesale pricing
  • Public reimbursement status (formularies, rebates, payer coverage)
  • Net-to-gross and typical discount rates
  • Tender dynamics or managed entry agreements
  • Price erosion timing or benchmark referencing

What competitive forces shape LANIAZID’s sales path?

No verified information is available here on:

  • Direct competitors by indication and mechanism
  • Market share, sales rank, or patient share
  • Generic entry events and launch dates
  • Clinical differentiation claims tied to labeling or evidence
  • Any authorized generics or parallel imports impacting net revenue

What is LANIAZID’s financial trajectory (sales, margin, and funding trajectory)?

No verified information is available here on:

  • Revenue, net sales, or unit sales history
  • Gross margin, operating margin, R&D intensity
  • Manufacturing cost structure or supply constraints
  • Channel mix (hospital vs. retail), inventory build, and returns
  • Company financial statements or segment reporting tied to LANIAZID

What do forecasts imply about adoption and downside risk?

No verified information is available here on:

  • Forecasts by geography and payer segment
  • Adoption curve assumptions tied to labeling and guidelines
  • Sensitivity to patent expiry, generic substitution, or procurement shifts
  • Regulatory or safety events affecting continuity of supply
  • Litigation or settlement terms tied to market entry

Market Dynamics Framework (Evidence Gate)

Required proof item Needed to produce an accurate LANIAZID market dynamics view Status in provided materials
Indication and regulatory status by country Labeling, approval dates, claims scope Not available
Pricing and reimbursement Official prices, payer coverage, discount mechanics Not available
Competitive set and entry dates Launch timelines, patents, exclusivity barriers Not available
Sales history and financial reporting Net sales, units, region split, margin Not available
Forecasting baselines Forecast model inputs, adoption assumptions Not available

Because none of these evidence items are present, a complete market and financial trajectory cannot be constructed without introducing unsupported claims.


Key Takeaways

  • LANIAZID market dynamics and financial trajectory cannot be quantified from the provided information.
  • No indication-level, geography-level, pricing/reimbursement, competitive, or financial reporting inputs are available to support an evidence-based assessment.
  • Any attempt to map market share, revenue growth, margin profile, or forecast risk would require non-provided data.

FAQs

  1. Is LANIAZID an originator product or a generic/biosimilar-style product?
    No verified classification is provided here.

  2. What therapeutic indication does LANIAZID hold in major markets?
    No indication-level regulatory and labeling data is provided here.

  3. What countries generate LANIAZID revenue?
    No geography or distribution footprint data is provided here.

  4. Has LANIAZID faced patent challenges or generic launches?
    No litigation, patent status, or entry-event timeline is provided here.

  5. What is LANIAZID’s revenue and margin performance over time?
    No sales or financial statement data is provided here.


References

[1] No sources were provided in the prompt.

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.