Last Updated: May 3, 2026

TERAZOL 7 Drug Patent Profile


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When do Terazol 7 patents expire, and when can generic versions of Terazol 7 launch?

Terazol 7 is a drug marketed by Janssen Pharms and is included in one NDA.

The generic ingredient in TERAZOL 7 is terconazole. There are six drug master file entries for this compound. Six suppliers are listed for this compound. Additional details are available on the terconazole profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Terazol 7

A generic version of TERAZOL 7 was approved as terconazole by SUN PHARMA CANADA on April 6th, 2004.

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Summary for TERAZOL 7
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for TERAZOL 7

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Janssen Pharms TERAZOL 7 terconazole CREAM;VAGINAL 019579-001 Dec 31, 1987 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

International Patents for TERAZOL 7

See the table below for patents covering TERAZOL 7 around the world.

Country Patent Number Title Estimated Expiration
South Korea 810000675 ⤷  Start Trial
Australia 3285078 ⤷  Start Trial
Greece 62553 NOVEL 1-(1,3-DIOXALAN-2-YLMETHYL)-1H-IMIDAZOLES AND 1H-1,2,4-TRIAZOLES ⤷  Start Trial
Philippines 14635 1-(1,3-DIOKOLAN-2-YIMETHYL)-1H-IMIDAZOLES AND 1H-12,4-TRIAZOLES ⤷  Start Trial
Ireland 46035 1-(1,3-DIOXOLAN-2-YLMETHYL)-1H-IMIDAZOLES AND 1H-1,2,4-TRIAZOLES ⤷  Start Trial
Japan S6257634 ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

TERAZOL 7 Market Analysis and Financial Projection

Last updated: April 25, 2026

Investment Scenario and Fundamentals Analysis: TERAZOL 7 (terconazole)

TERAZOL 7 is the brand name for terconazole, an imidazole antifungal used for vaginal yeast infections (vulvovaginal candidiasis). For investment purposes, TERAZOL 7 sits in a mature, OTC-adjacent, branded-generic competitive segment with limited near-term patent-driven upside and with demand tied to seasonal/behavioral infection dynamics and prescriber/patient substitution patterns.


What is TERAZOL 7 and how is it used commercially?

Drug / Brand: Terconazole, TERAZOL 7
Therapeutic class: Topical azole antifungal (imidazole)
Indication (commercially relevant): Treatment of vulvovaginal candidiasis (yeast infections)
Form factor (typical product line context): Vaginal cream/suppository formulations across branded schedules

Commercial demand drivers

  • Low loyalty, high substitution: Antifungal vaginal therapy is a crowded market with multiple azoles (terconazole, miconazole, clotrimazole, tioconazole, butoconazole) available via pharmacy and often over-the-counter.
  • Fixed treatment course: The “7” in TERAZOL 7 reflects a 7-day regimen, which is a differentiator versus single-dose or 3-day regimens when payers and formularies prefer adherence or cost-efficiency.
  • Switching incentives: Clinician and pharmacy choices shift quickly when generics or therapeutically equivalent alternatives are cheaper.

What does the IP and exclusivity landscape imply for investability?

For a mature product brand such as TERAZOL 7, investability typically depends on one or more of the following:

1) Active composition-of-matter or formulation patents blocking generic entry in major markets
2) Extended exclusivity (regulatory exclusivity, pediatric, market exclusivity) that delays generic competition
3) Controlled distribution, lifecycle management, or protected device/dosing innovations (less common for standard vaginal azoles)

Key investment implication: Unless TERAZOL 7 has current enforceable patent estates in target markets, the brand behaves like a late-cycle product where earnings mostly track:

  • list price vs net price erosion
  • generic penetration
  • payer placement and rebate intensity
  • volume stability in the face of competing azoles

At the fundamentals level, this means the “base case” is usually margin compression risk and volume flat-to-down trajectories unless the company actively defends access.


How big is the addressable market and what limits growth?

Market structure for vaginal antifungals

The market includes:

  • Branded azoles in vaginal formulations
  • Generics of older azoles
  • Over-the-counter therapy (depending on the specific molecule and presentation)

Growth limits

  • Maturity: Infections are recurring for a subset of patients, but the overall treated population growth is slow relative to oncology or chronic-care categories.
  • Clinical overlap: Therapeutic equivalence across azoles reduces differentiation beyond regimen length and tolerability.
  • Price pressure: Generic and OTC competition compresses brand pricing power.

Net effect for TERAZOL 7

  • Revenue growth is hard without either:
    • payer-driven channel preference (formulary positioning)
    • clear regimen adherence advantage
    • strong managed-entry terms that keep the brand “preferred” versus generics
    • differentiation through improved dosing convenience or patient acceptability

Who are the competitors and how does substitution affect TERAZOL 7?

TERAZOL 7 competes inside a therapeutic class where substitution is routine. Competitors include other vaginal azole antifungals (both branded and generic). The competitive set typically drives:

  • formulary tiering pressure
  • rebate escalation
  • switching after initial prescription

Substitution mechanics

  • Patients frequently self-select OTC azoles or switch to covered alternatives for cost reasons.
  • Prescribers may standardize to the lowest-cost covered azole unless patient history (prior failures/intolerance) warrants a specific molecule.

Investment implication: TERAZOL 7’s revenue resilience depends on whether it is:

  • maintained as a covered option with manageable net pricing
  • insulated from rapid generic down-tiering
  • positioned effectively against regimen competitors (shorter-course azoles)

What are the key revenue and margin fundamentals?

Revenue drivers (mechanical)

  • Unit volume: number of treated episodes using TERAZOL 7
  • Net price: list price minus rebates, chargebacks, and payer discounts
  • Mix: formulation strength and channel (retail, mail, institutional)
  • Channel access: formulary placement and pharmacy benefit manager (PBM) incentives

Margin pressure vectors (structural)

  • Generic erosion: once generics gain broad access, branded net price tends to fall
  • Rebate intensity: competitive bidding increases net-to-gross compression
  • Manufacturing/COGS: relatively stable for topical formulations, but can swing with scale and supply constraints
  • Distribution and chargebacks: remain material in competitive payer environments

Investment implication: For TERAZOL 7, the investment question is usually less “will demand grow fast” and more “can the brand defend net price and channel placement long enough to offset inevitable competition.”


What regulatory and payer risks matter for TERAZOL 7?

Regulatory risk profile

  • Topical antifungals face lower regulatory complexity than biologics, but changes in labeling, REMS requirements (unlikely here), or competitive reclassifications can still affect access.
  • Safety and efficacy claims are narrow for vaginal candidiasis indications, so differentiation comes mainly from formulation-specific attributes.

Payer risk profile

  • Formulary design: preference switches can occur within a plan year or contract cycle.
  • Prior authorization: may be used selectively to steer patients to generics or preferred azoles.
  • Step edits: plans may require trial of a cheaper azole before covering TERAZOL 7.

Investment implication: The dominant risk is access drift rather than clinical trial failure.


What should investors look for in near-term signals?

Commercial signals to monitor

  • Prescription share vs class competitors (especially other azoles)
  • Net price trend (net-to-gross erosion trajectory)
  • Formulary tier movement (preferred vs non-preferred placement)
  • Channel inventory and buying patterns at distributors (can mask demand softness)
  • Gross-to-net dynamics during PBM renegotiations

Operating signals

  • Manufacturing continuity and supply stability (topicals can have disruption-sensitive revenue)
  • Marketing spend as a percent of sales (stability implies defensible access)
  • Generic entrants and launch timing in major markets

How can TERAZOL 7 fit into an investment thesis?

Thesis Type A: Defensive cash generator

Best fit if TERAZOL 7:

  • maintains stable formulary placement
  • avoids major net price collapse
  • benefits from continued demand for the 7-day regimen among certain prescriber and patient segments

Investment logic: treat the product as a cash flow asset with downside protection from brand-specific access and remaining exclusivity (if any).

Thesis Type B: Value capture from lifecycle management

Best fit if there is evidence of:

  • new pack sizes or differentiated formulations
  • improved patient adherence solutions
  • managed entry agreements that keep the brand preferred

Investment logic: upside from monetization of lifecycle assets even in a mature class.

Thesis Type C: Late-cycle risk asset

Best fit if:

  • generics are already entrenched broadly
  • TERAZOL 7 is on non-preferred tiers with high rebate reliance
  • competing shorter-course regimens gain share

Investment logic: expect margin compression and treat valuation as primarily dependent on staying-power of net price and volume.


What valuation and scenario framework is most relevant?

For a mature vaginal antifungal, a practical valuation framework emphasizes:

  • Volume stability and modest changes in treated episode share
  • Net price erosion from PBM/GPO dynamics
  • Margin compression from rebate and competition
  • Patent/generic entry timing as the key discrete risk

Scenario structure (investment-ready) 1) Base case: stable volume, gradual net price erosion, margins hold modestly
2) Downside: share loss and steep net price decline following tier downgrade or aggressive generic substitution
3) Upside: formulary defense or lifecycle enhancements stabilize net price and reduce rebate intensity


Key Takeaways

  • TERAZOL 7 (terconazole) is a mature, competitive vaginal antifungal where access and net pricing drive financial outcomes more than category growth.
  • The product faces routine class substitution across vaginal azoles and often competes with OTC and generics, limiting brand pricing power.
  • The most material investment risks are generic penetration, PBM formulary tiering changes, and rebate-driven net-to-gross compression.
  • A defensible investment thesis depends on whether TERAZOL 7 can maintain formulary preference and net price long enough to offset lifecycle and competition headwinds.

FAQs

1) Is TERAZOL 7 expected to grow faster than the vaginal antifungal class?

No. Class-level growth is typically constrained by maturity and substitution, so TERAZOL 7 performance usually tracks share retention and net price rather than market expansion.

2) What is the biggest driver of TERAZOL 7 profitability?

Net pricing (net-to-gross) driven by rebates/chargebacks and formulary position is typically the dominant driver.

3) How does regimen length (7-day) affect competition?

Regimen length can influence adherence and clinician/patient preferences, but it rarely prevents substitution once payer economics favor cheaper alternatives.

4) What would indicate share loss for TERAZOL 7?

A sustained decline in prescription share versus vaginal azole competitors, coinciding with formulary downgrade or stepped access requirements.

5) Does TERAZOL 7 face the same IP risk as biologics?

No. The risk is usually about remaining enforceable protections and generic entry timing, but the economic pattern is still late-cycle when competition is established.


References

[1] FDA. Terconazole drug labeling and product information (varies by product). U.S. Food and Drug Administration. https://www.accessdata.fda.gov/
[2] National Library of Medicine (NLM). Terconazole (Drug Information / Medical Subject Headings entries). https://pubchem.ncbi.nlm.nih.gov/
[3] Drugs.com. TERAZOL 7 information and usage (brand product reference). https://www.drugs.com/

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