Last Updated: August 3, 2026

MYTREX F Drug Patent Profile


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

Mytrex F is a drug marketed by Savage Labs and is included in two NDAs.

The generic ingredient in MYTREX F is nystatin; triamcinolone acetonide. There are eight drug master file entries for this compound. Eighteen suppliers are listed for this compound. Additional details are available on the nystatin; triamcinolone acetonide profile page.

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Summary for MYTREX F
US Patents:0
Applicants:1
NDAs:2

US Patents and Regulatory Information for MYTREX F

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Savage Labs MYTREX F nystatin; triamcinolone acetonide CREAM;TOPICAL 062597-001 Oct 8, 1985 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Savage Labs MYTREX F nystatin; triamcinolone acetonide OINTMENT;TOPICAL 062601-001 Oct 9, 1985 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 21, 2026

MYTREX F (MYTREX F) Investment Scenario and Fundamentals Analysis (IP, Exclusivity, FDA, Revenue Risk)

Executive summary

MYTREX F’s investability hinges on (1) whether it is an FDA-approved U.S. prescription product and has enforceable Orange Book-listed IP (drug substance, drug product, and/or method-of-use), (2) how soon relevant exclusivities end, and (3) whether there is active Paragraph IV or other court activity that compresses future pricing and margins. Without confirmed FDA/Orange Book status, NDA/BLA pathway details, and verified commercial history, a defensible investment thesis cannot be built.

No additional analysis is provided.

What is MYTREX F’s FDA status, Orange Book listing, and approval pathway?

Featured snippet answer: Cannot be determined for MYTREX F because FDA approval identity (NDA/BLA number), label, and Orange Book drug listing are not provided.

Key diligence items that must exist to underwrite exclusivity and generic risk

  • Regulatory identity: NDA number (or BLA), applicant, active ingredient(s), dosage form strength, Rx vs OTC status
  • FDA approval timing: approval date and labeling revisions that affect method-of-use or formulation scope
  • FDA exclusivity: 5-year new chemical entity (NCE) or new molecular entity (NME), 3-year new clinical investigation, pediatric exclusivity, additional exclusivities for supplements
  • Orange Book: listed patents and patent expiration dates tied to drug product, drug substance, and methods
  • Patent linkage: whether any patents are listed under 21 U.S.C. § 355(b)(1) with an exclusivity-protected basis

When does MYTREX F lose exclusivity and allow generic entry?

Featured snippet answer: Cannot be determined for MYTREX F without verified Orange Book listings and FDA approval identifiers.

What typically drives the generic “first possible launch” date

  • 5-year exclusivity (NCE/NME): earliest end of data exclusivity bar to ANDA approval
  • 3-year exclusivity (clinical investigations): blocks approval based on certain labeled changes
  • Patent expiry schedule: earliest expiration of listed patents for the listed dosage form/route
  • Pediatric exclusivity: adds 6 months when applicable
  • Court stays: settlement or litigation can delay effective launch beyond legal expiry

What patents protect MYTREX F drug substance, drug product, and methods of use?

Featured snippet answer: Cannot be determined for MYTREX F because the patent estate is not specified.

Patent estate mapping framework investors use

  • Drug substance patents: chemical identity, polymorphs, salts, prodrugs, crystalline forms
  • Drug product patents: formulation, composition ranges, coatings, solubilizers, stability, process
  • Method-of-use patents: dosing regimens, patient populations, endpoints
  • Manufacturing/process patents: sterile fill, scale-up, impurity profiles, intermediates
  • Hatch-Waxman linkage: which patents are Orange Book “listed” for which strengths and dosage forms

How many Orange Book patents cover MYTREX F and how strong are they?

Featured snippet answer: Cannot be determined for MYTREX F without Orange Book patent list and legal status.

Strength indicators used in dealmaking

  • Claim breadth: whether patents cover core MoA vs narrower delivery/formulation specifics
  • Remaining term: years to expiration on each listed patent
  • Litigation posture: whether patents have been asserted and outcomes
  • Regulatory barriers: additional formulation patents can defeat “design-around” for a generic

Is there Paragraph IV ANDA activity or biosimilar risk for MYTREX F?

Featured snippet answer: Cannot be determined for MYTREX F without knowing whether it is an ANDA-referenced small molecule or a BLA-regulated biologic.

Investor-relevant triggers

  • Paragraph IV filings: generic challengers and each challenger’s asserted patent carve-outs
  • Automatic 30-month stay: if a court case is filed within statutory timelines
  • Settlements: payment and reverse payment structures, launch date covenants
  • Biosimilar risk: if biologic, exclusivity includes BLA reference product exclusivity and any data exclusivities under the BPCIA

What formulations are protected by MYTREX F patents and can generics design around?

Featured snippet answer: Cannot be determined for MYTREX F because formulation scope and patent claim language are not provided.

Design-around risk patterns

  • If only method-of-use patents are listed: generic labeling carve-outs may allow earlier entry
  • If only formulation patents are listed: ANDA must either use a non-infringing formulation or challenge patents
  • If both substance and product patents are listed: freedom-to-operate barriers increase materially

Which companies are manufacturing or challenging MYTREX F, and what is the competitive landscape?

Featured snippet answer: Cannot be determined for MYTREX F because manufacturer, NDA holder, and challenger identities are not provided.

Competitive set investors need to build

  • U.S. branded holder: NDA holder and marketing authorization
  • Generic incumbents: authorized generics or first-to-file entrants
  • Competing branded products: class competitors that can substitute if price pressure hits
  • Global supply: alternative sources that can erode branded pricing

What patent litigation affects MYTREX F and what do settlements signal for future exclusivity?

Featured snippet answer: Cannot be determined for MYTREX F because litigation dockets and settlement terms are not specified.

Deal impact of litigation outcomes

  • Dismissals or adverse rulings: can accelerate generic entry and compress revenue
  • Narrow injunctions vs broad invalidation: changes probability of later generic/design-around
  • Settlement-driven launch dates: can fix timing of branded price declines

What is the commercial profile of MYTREX F and how exposed is revenue to exclusivity expiry?

Featured snippet answer: Cannot be determined for MYTREX F because annual sales, payer mix, and channel data are not provided.

Revenue risk factors investors price

  • Share concentration: whether MYTREX F is a flagship or niche product
  • Pricing power: whether competitors have similar efficacy and whether payers steer to lower-cost alternatives
  • Contract duration: rebate/coverage dynamics that can reprice quickly on generic entry
  • Manufacturing resilience: supply disruptions that create temporary pricing insulation or future penalties

How does MYTREX F compare with other drugs in the same therapeutic area on IP and launch timing?

Featured snippet answer: Cannot be determined because MYTREX F’s therapeutic indication and active ingredient are not provided.

What comparison tables must contain

  • Active ingredient and indication
  • FDA approval date and exclusivity end
  • Orange Book patent counts and nearest expiration
  • Generic/biosimilar launch dates and Paragraph IV activity

Investment scenario scenarios: what’s the bull/base/bear case for MYTREX F?

Featured snippet answer: Cannot be determined for MYTREX F because required inputs (FDA/Orange Book status, patent expiries, sales base, and litigation/Paragraph IV activity) are not provided.

Scenario structure used for high-stakes underwriting

  • Bull case: no meaningful patent challenges, longer effective exclusivity, stable pricing
  • Base case: one or more challenges resolve slowly, partial pricing erosion begins at first launch
  • Bear case: early invalidation or settlement forces rapid launch and steep margin compression

Key Takeaways

  • A MYTREX F investment thesis cannot be underwritten without verified FDA identity (NDA/BLA), Orange Book listings, patent expiration timeline, and any ongoing Paragraph IV or litigation activity.
  • The investability of MYTREX F is driven by legal time-to-generic and practical barriers to generic/design-around, not by generic market assumptions.
  • Provide FDA/Orange Book-linked facts before pricing exclusivity risk into valuation, licensing strategy, or litigation posture.

FAQs

  1. What Orange Book patents govern generic approval for a given strength and dosage form?
  2. How do 5-year and 3-year exclusivity interact with patent expiry for ANDA timing?
  3. What is the typical impact of a Paragraph IV settlement on first generic launch dates?
  4. How do method-of-use versus formulation patents change generic labeling and design-around strategy?
  5. What signals in FDA reviews and labeling amendments indicate future patent strategy shifts?

References

No sources cited.

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