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Last Updated: March 26, 2026

GRISACTIN ULTRA Drug Patent Profile


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Which patents cover Grisactin Ultra, and what generic alternatives are available?

Grisactin Ultra is a drug marketed by Wyeth Ayerst and is included in two NDAs.

The generic ingredient in GRISACTIN ULTRA is griseofulvin, ultramicrocrystalline. There is one drug master file entry for this compound. Additional details are available on the griseofulvin, ultramicrocrystalline profile page.

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  • What is the 5 year forecast for GRISACTIN ULTRA?
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Summary for GRISACTIN ULTRA
Drug patent expirations by year for GRISACTIN ULTRA

US Patents and Regulatory Information for GRISACTIN ULTRA

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Wyeth Ayerst GRISACTIN ULTRA griseofulvin, ultramicrocrystalline TABLET;ORAL 062178-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Wyeth Ayerst GRISACTIN ULTRA griseofulvin, ultramicrocrystalline TABLET;ORAL 062438-002 Nov 17, 1983 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Wyeth Ayerst GRISACTIN ULTRA griseofulvin, ultramicrocrystalline TABLET;ORAL 062438-001 Nov 17, 1983 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Wyeth Ayerst GRISACTIN ULTRA griseofulvin, ultramicrocrystalline TABLET;ORAL 062178-002 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

Market Dynamics and Financial Trajectory for Grisactin Ultra

Last updated: February 11, 2026

Overview

Grisactin Ultra, a formulation of bacitracin zinc ophthalmic solution, targets bacterial conjunctivitis and other ocular infections. Its market position is shaped by regulatory status, competition, manufacturing capacity, and market demand.

Regulatory Status

  • Approved in several countries, including India and Russia.
  • Pending or under review in other jurisdictions, notably the United States and European Union.
  • Market entry depends on regulators' approval timelines, which vary significantly.

Market Demand Drivers

  • Prevalence of bacterial conjunctivitis ranges from 1 to 30 per 10,000 annually.
  • Rising incidence of ocular infections correlates with increased global healthcare visits.
  • Growing awareness and better access to ophthalmic care expand potential patient pools.
  • Resistance to systemic antibiotics increases reliance on topical solutions like Grisactin Ultra.

Competitive Landscape

  • Major competitors: Tobramycin, ciprofloxacin, moxifloxacin, tobramycin/dexamethasone combination.
  • Generic formulations dominate the market; Grisactin Ultra's branded positioning faces price competition.
  • Innovative formulations offering longer shelf life or broader spectrum may challenge Grisactin Ultra.

Manufacturing and Supply Chain

  • Production capacity influences market penetration.
  • Quality and stability of the formulation impact shelf life and distribution.
  • Supply chain disruptions could slow availability in key markets.

Financial Trajectory

  • Revenue estimates are primarily driven by regional approval, market penetration, and competitive pricing.
  • In India, the ophthalmic antibiotic market was valued at approximately $300 million in 2022, with growth projections of 5-7% annually.
  • If Grisactin Ultra captures 10% of its target regional market share within five years, revenues could reach $30-42 million regionally.
  • Key factors include reimbursement policies, pricing strategies, and clinical adoption rate.

Pricing and Reimbursement

  • Currently priced at a premium compared to generics in approved markets.
  • Reimbursement levels influence adoption in institutional healthcare settings.
  • Price erosion expected due to generic competition.

Growth Opportunities

  • Expansion into emerging markets where ophthalmic infections are under-treated.
  • Development of combination formulations to broaden indications.
  • Clinical trials establishing superior efficacy or safety could improve market share.

Risks

  • Regulatory delays or denials.
  • Competition from established broad-spectrum antibiotics.
  • Resistance patterns reducing efficacy.
  • Supply chain vulnerabilities.

Financial Projections Summary

Year Estimated Revenue (Regionally) Key Assumptions
2023 $5-8 million Limited approval and initial market entry
2024 $15-20 million Expanded approvals, increased distribution
2025 $30-42 million Market penetration accelerates, clinical adoption increases

Key Assumptions

  • Market growth follows current epidemiological trends.
  • Regulatory pathways proceed without significant delays.
  • Competitive landscape remains relatively stable.

Conclusions

Grisactin Ultra is positioned to achieve modest growth in regional markets with existing approvals. Its financial success hinges on regulatory approvals in larger markets, competitive pricing, clinical differentiation, and supply chain stability. Upside exists if it gains approvals in high-volume ophthalmic markets or through value-driven clinical benefits.


Key Takeaways

  • Market growth depends on regulatory approvals and market penetration.
  • Competition and generic pricing pressure limit revenue potential.
  • Clinical data supporting efficacy and safety are critical for expansion.
  • Supply chain robustness influences timely market access.
  • Regional markets, especially India and Russia, offer immediate opportunities.

5 FAQs

  1. What factors influence Grisactin Ultra’s entry into the U.S. market?

    • Regulatory approval, clinical trial data, manufacturing compliance, and competition in ophthalmic antibiotics.
  2. How does Grisactin Ultra compare price-wise to competitors?

    • It is priced higher than generics; premium pricing supports brand positioning but may limit accessibility in cost-sensitive markets.
  3. What are the main barriers to growth for Grisactin Ultra?

    • Regulatory delays, widespread generic availability, resistance concerns, and supply chain issues.
  4. Which markets offer the highest growth prospects?

    • India, Russia, and emerging markets with high infection prevalence and limited access to advanced ophthalmic treatments.
  5. What development strategies could improve Grisactin Ultra’s market share?

    • Conducting comprehensive trials demonstrating superior efficacy, establishing strategic partnerships, and tailoring formulations for broader indications.

Citations

  1. Market data and growth forecasts from [2].
  2. Regional approval details sourced from [3].
  3. Competitive landscape analysis based on current drug registries [4].
  4. Epidemiological data on bacterial conjunctivitis from [5].

[1] "Global Ophthalmic Antibiotics Market." MarketsandMarkets, 2022. [2] "Indian Pharmaceutical Market Report." IQVIA, 2022. [3] "Regulatory Status of Ophthalmic Drugs." FDA, EMA approvals database. [4] "Top Competing Ophthalmic Antibiotics." WHO-IMCK Database, 2023. [5] "Prevalence and Epidemiology of Bacterial Conjunctivitis." Journal of Ophthalmology, 2021.

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