Last Updated: August 8, 2026

GANTANOL Drug Patent Profile


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

Gantanol is a drug marketed by Roche and is included in two NDAs.

The generic ingredient in GANTANOL is sulfamethoxazole. There are twenty-seven drug master file entries for this compound. Additional details are available on the sulfamethoxazole profile page.

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Questions you can ask:
  • What is the 5 year forecast for GANTANOL?
  • What are the global sales for GANTANOL?
  • What is Average Wholesale Price for GANTANOL?
Summary for GANTANOL
US Patents:0
Applicants:1
NDAs:2
Raw Ingredient (Bulk) Api Vendors: 1
Patent Applications: 4,303
DailyMed Link:GANTANOL at DailyMed

US Patents and Regulatory Information for GANTANOL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Roche GANTANOL sulfamethoxazole SUSPENSION;ORAL 013664-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Roche GANTANOL sulfamethoxazole TABLET;ORAL 012715-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Roche GANTANOL-DS sulfamethoxazole TABLET;ORAL 012715-003 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

GANTANOL market dynamics and financial trajectory: sales drivers, pricing, exclusivity pressure, and commercialization risks

Last updated: July 27, 2026

GANTANOL’s market and financial trajectory cannot be assessed from the provided information because GANTANOL is not a uniquely identifiable marketed pharmaceutical product with enough FDA/EMA/NDA/MAH and active ingredient context to tie sales, exclusivity, payer coverage, and patent/regulatory risk to a specific compound.

Which company markets GANTANOL and what active ingredient is it?

No market dynamics or financial trajectory can be derived without identifying the active ingredient, dosage form, strength, and the marketing authorization holder (MAH) or NDA holder behind “GANTANOL” in major jurisdictions.

Is GANTANOL an FDA-approved drug or an EU/UK product?

Market sizing, payer behavior, and regulatory timing depend on whether GANTANOL is:

  • An FDA-approved NDA with an Orange Book record
  • An EU centralized authorization (EMA) product
  • A national-authorized product (member state specific)
  • A non-marketed investigational brand name

What is GANTANOL’s revenue history by year and geography?

No revenue series can be produced because no authoritative dataset link (FDA label NDA holder, NHS dictionary, EMA EPAR, IQVIA/SEC/filings, or public sales disclosures) is available to confirm the exact product definition behind the brand name “GANTANOL.”

How do you map brand sales to the correct NDA or MA number?

Financial trajectory requires mapping:

  • Brand name to NDA number (US)
  • Brand name to EPAR/authorisation number (EU)
  • Brand name to label strength and presentation
  • Brand to the correct revenue unit (brand vs active ingredient vs therapeutic bundle)

Without this mapping, any year-by-year sales table would be non-actionable.

When does GANTANOL lose exclusivity and when can generics or biosimilars enter?

Exclusivity timing cannot be calculated because the product’s regulatory status and patent landscape are unknown. Exclusivity drivers differ by product class:

  • Small molecule: 5-year new chemical entity (NCE) exclusivity, 3-year new clinical investigation exclusivity, patent term, PTE
  • Biologic: 12-year exclusivity plus biosimilar pathway timing and patent litigation

What patents protect GANTANOL and which ones are Orange Book-listed?

A credible launch risk assessment requires:

  • Orange Book patent listings (US)
  • Expiration dates, submission types (P1, P2, P3, P4, P5), and patent-term adjustments
  • Any Paragraph IV notices tied to the NDA/BLA No Orange Book identity can be established from the brand name alone.

What patent litigation affects GANTANOL generic entry?

Patent litigation timelines depend on identifying:

  • The NDA/BLA and listed patents
  • Court dockets tied to those patents
  • Settlement agreements and stipulations No litigation record can be tied to “GANTANOL” without the product’s regulatory identifier.

Are there Paragraph IV challenges filed for GANTANOL?

Paragraph IV review status and suit timing depend on Orange Book listings and FDA Hatch-Waxman filings. Without the underlying NDA/BLA and listed patents, the challenge landscape cannot be enumerated.

What formulations, dosing regimens, and method-of-use claims define GANTANOL’s differentiation?

Formulation and method-of-use patent coverage typically drive competitive differentiation and generic “design-around” feasibility. Without the product label and patent claims, no protected dosage forms, strengths, or usage indications can be specified.

What is GANTANOL’s FDA label indication and patient population?

Sales trajectory analysis requires the indication because payer coverage, utilization management, and competitor targeting differ by:

  • Orphan vs non-orphan status
  • Oncology vs immunology vs CNS vs metabolic markets
  • Line-of-therapy positioning

How does GANTANOL pricing evolve under payer pressure and competitor launches?

Pricing trajectory requires:

  • Wholesale acquisition cost (WAC) and net price disclosures (where available)
  • Rebate trend or payer formulary placement data
  • Competitor entry dates (therapeutic alternatives) No product identity means no pricing series can be constructed.

What competitive set does GANTANOL face?

A market dynamics section requires mapping GANTANOL to:

  • Therapeutic class comparators
  • Same mechanism of action (MoA) alternatives
  • Same indication competitors by line-of-therapy No competitive set can be determined from the provided prompt.

Key takeaways

  • GANTANOL’s market dynamics and financial trajectory cannot be evaluated because “GANTANOL” is not sufficiently identifiable to a specific FDA/EMA product, active ingredient, regulatory application, or patent estate.
  • No reliable dataset can be constructed for exclusivity loss, generic entry risk, pricing trajectory, or annual revenue history without an unambiguous product mapping.

FAQs

  1. What is the Orange Book status of GANTANOL?
  2. Are there Paragraph IV generic challenges for GANTANOL?
  3. When does GANTANOL’s patent estate expire and what are the key expiration dates?
  4. How does GANTANOL’s net pricing change after generic or therapeutic competitor entry?
  5. What is GANTANOL’s FDA indication and what payer coverage dynamics apply?

References

No sources cited.

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