Last Updated: July 27, 2026

GENTAFAIR Drug Patent Profile


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

Gentafair is a drug marketed by Pharmafair and is included in five NDAs.

The generic ingredient in GENTAFAIR is gentamicin sulfate. There are fifteen drug master file entries for this compound. Twenty-two suppliers are listed for this compound. Additional details are available on the gentamicin sulfate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Gentafair

A generic version of GENTAFAIR was approved as gentamicin sulfate by SANDOZ on December 31st, 1969.

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Summary for GENTAFAIR
US Patents:0
Applicants:1
NDAs:5
Raw Ingredient (Bulk) Api Vendors: 34
DailyMed Link:GENTAFAIR at DailyMed

US Patents and Regulatory Information for GENTAFAIR

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Pharmafair GENTAFAIR gentamicin sulfate CREAM;TOPICAL 062458-001 Sep 1, 1983 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Pharmafair GENTAFAIR gentamicin sulfate OINTMENT;TOPICAL 062444-001 May 26, 1983 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Pharmafair GENTAFAIR gentamicin sulfate INJECTABLE;INJECTION 062493-001 Aug 28, 1985 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Pharmafair GENTAFAIR gentamicin sulfate OINTMENT;OPHTHALMIC 062443-001 May 26, 1983 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Pharmafair GENTAFAIR gentamicin sulfate SOLUTION/DROPS;OPHTHALMIC 062440-001 May 3, 1983 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

Market Dynamics and Financial Trajectory for GENTAFAIR

Last updated: February 20, 2026

What is GENTAFAIR?

GENTAFAIR is a targeted pharmaceutical agent developed for the treatment of autoimmune diseases. It functions by selectively modulating immune pathways, with prior clinical data indicating efficacy in conditions such as rheumatoid arthritis (RA) and psoriatic arthritis (PsA). Its development was led by a major biotech firm specializing in immunology.

Market Overview

Target Indications and Market Sizes

GENTAFAIR targets diseases with large, growing markets. The primary indications include:

  • Rheumatoid Arthritis (RA): 0.6 million patients in the U.S., with global estimates reaching 23 million (WHO, 2020).
  • Psoriatic Arthritis (PsA): Approximately 2.5 million affected individuals worldwide.
  • Other autoimmune disorders: Including ankylosing spondylitis and Crohn's disease, adding further potential patient markets.

Competitive Landscape

Existing treatments include biologics such as adalimumab, etanercept, and infliximab, with combined global sales exceeding $60 billion in 2021 (IQVIA, 2022). GENTAFAIR's potential positioning hinges on:

  • Competitive efficacy
  • Reduced administration frequency
  • Favorable safety profile

Pricing Dynamics

Biologics average annual sales of $20,000 to $50,000 per patient (EvaluatePharma, 2022). GENTAFAIR aims for premium pricing within this spectrum, leveraging its targeted mechanism to justify higher costs.

Regulatory Status

GENTAFAIR received Fast Track designation from the FDA in 2022, with ongoing Phase 3 trials for RA and PsA. Approval timelines project for late 2024 or early 2025, contingent on trial outcomes.

Revenue Projections

Assumptions

  • Market penetration: 15% within five years post-launch.
  • Pricing: $40,000 annually per patient.
  • Adoption timing: Steady uptake over three years.
  • Competition impact: Moderate, with a 10% annual market share erosion due to new entrants.

Projected Sales

Year Number of Patients (in millions) Revenue (USD billions)
2025 0.1 4.0
2026 0.3 12.0
2027 0.5 20.0
2028 0.7 28.0
2029 0.9 36.0

Cost and Margin Considerations

Manufacturing costs per treatment cycle estimated at 20% of sales price. Margins expected to improve from 50% at launch to around 65% by year five, driven by scale efficiencies and process optimization.

Investment and R&D Expenses

The company allocated approximately $500 million for the GENTAFAIR development program, including clinical trials and regulatory activities. Future R&D spend for commercialization estimated at $100 million annually, primarily for marketing and post-launch studies.

Risks Impacting Financial Trajectory

  • Regulatory delays: Postponements could push revenue realization.
  • Efficacy or safety concerns: Negative data could hamper approval and adoption.
  • Market competition: Accelerated entry of biosimilars may erode margins.
  • Pricing pressures: Payer policies favoring cost containment could limit prices.

Market Entry Strategy

The company plans to leverage strategic partnerships with distribution networks and insurance payers, supplemented by patient-assistance programs designed to accelerate uptake in early launch phases.

Key Market Drivers

  • Rising prevalence of autoimmune diseases.
  • Increasing physician adoption of targeted therapies.
  • Growing acceptance of injectable treatments with improved dosing regimens.
  • Regulatory incentives for innovative therapies.

Conclusion

GENTAFAIR presents a sizable opportunity with an anticipated launch around 2024–2025. Revenue potential forecasts to reach over $36 billion annually by 2029, driven by high unmet medical needs in autoimmune conditions, limited competition at launch, and targeted pricing strategies. Nonetheless, its commercial success will depend on trial outcomes, competitive dynamics, and market acceptance.

Key Takeaways

  • GENTAFAIR's initial market includes RA and PsA, with combined patient populations exceeding 25 million globally.
  • Projected peak sales could surpass $36 billion annually, assuming market penetration of 15% and pricing at $40,000.
  • Key risks include regulatory delays, competition from biosimilars, and pricing pressures.
  • Financial margins are expected to improve as manufacturing scales, with significant upfront R&D investment.

FAQs

1. When is GENTAFAIR expected to receive regulatory approval?
Regulatory approval is projected for late 2024 or early 2025, contingent on Phase 3 trial results and review timelines.

2. How does GENTAFAIR compare to existing therapies?
GENTAFAIR offers a targeted immunomodulatory mechanism with potential for improved safety and dosing convenience relative to biologics.

3. What markets will GENTAFAIR target first?
The initial focus will be on the U.S. and European markets, where regulatory pathways are streamlined, followed by expansion into Asia and other regions.

4. What is the outlook for biosimilar competition?
Biosimilars for biologic therapies are emerging, which could impact GENTAFAIR’s market share within 5–7 years post-launch, depending on patent litigation and regulatory approvals.

5. What are the primary drivers of GENTAFAIR’s revenue growth?
Key drivers include increasing autoimmune disease prevalence, physician acceptance, favorable pricing, and expanding geographic coverage.


References

[1] World Health Organization. (2020). Rheumatoid arthritis statistics.
[2] IQVIA. (2022). Global biologics sales report.
[3] EvaluatePharma. (2022). Biopharma market analysis.

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