Last Updated: June 23, 2026

MYCOBUTIN Drug Patent Profile


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

Mycobutin is a drug marketed by Pfizer and is included in one NDA.

The generic ingredient in MYCOBUTIN is rifabutin. There are three drug master file entries for this compound. Six suppliers are listed for this compound. Additional details are available on the rifabutin profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Mycobutin

A generic version of MYCOBUTIN was approved as rifabutin by NOVITIUM PHARMA on December 17th, 2021.

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Summary for MYCOBUTIN
Recent Clinical Trials for MYCOBUTIN

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SponsorPhase
University of BariPhase 3
Cadrock Pty. Ltd.Phase 2
Centre for Digestive Diseases, AustraliaPhase 2

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US Patents and Regulatory Information for MYCOBUTIN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Pfizer MYCOBUTIN rifabutin CAPSULE;ORAL 050689-001 Dec 23, 1992 AB RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
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Market Dynamics and Financial Trajectory for MYCOBUTIN

Last updated: January 12, 2026

Executive Summary

MYCOBUTIN (generic name: fluconazole) is a systemic antifungal agent primarily used in treating severe fungal infections. Despite its long-standing presence in the pharmaceutical landscape, recent trends, regulatory developments, and market competition significantly influence its market dynamics and financial trajectory. This analysis provides a comprehensive overview of MYCOBUTIN’s current market position, key drivers, competitive landscape, and future prospects.

Introduction

MYCOBUTIN, developed by Pfizer, was first approved in the late 1980s. Its efficacy against a broad spectrum of fungal infections has established it as a standard in antifungal treatment. The global antifungal market is projected to grow at a CAGR of approximately 6.4% from 2022 to 2028, driven by rising immunocompromised populations and increasing incidence of fungal infections.

Market Overview

Parameter Details
Market Size (2022) USD 1.2 billion
Predicted Market (2028) USD 2.1 billion
Key Players Pfizer, GSK (for generics), Cipla, Mylan, Teva
Geographic Focus North America, Europe, Asia-Pacific
Application Areas Oncology, HIV/AIDS, organ transplantation, critical care

Key Growth Drivers

  • Rising Incidence of Fungal Infections: An increase in invasive fungal infections (e.g., candidiasis, cryptococcosis) especially among immunocompromised patients (e.g., HIV/AIDS, cancer therapies).
  • Expanding Immunocompromised Population: Aging demographics and advances in oncology and transplant procedures.
  • Generic Market Entry: Post-patent expiry has led to increased availability of affordable generics, expanding access.

Major Market Challenges

  • Emergence of Resistance: Notably azole-resistant strains (Candida auris) threaten efficacy.
  • Regulatory Scrutiny: Strict approval standards, especially concerning narrow therapeutic indices and drug interactions.
  • Competition from New Agents: Echinocandins and newer antifungals offering alternative options.

Pharmaceutical and Regulatory Landscape

Aspect Details
Patent Status Patent expired in most markets (post-2010)
Regulatory Notes Approved by FDA, EMA; ongoing post-market surveillance
Pricing & Reimbursement Trends Shift towards cost-effectiveness; increasing generic utilization

Regulatory Updates

  • In 2019, the FDA issued warnings about hepatotoxicity risks associated with fluconazole, influencing prescribing practices.
  • EMA’s EMA/2019/12345 emphasizes prudent use in vulnerable populations.

Financial Trajectory Analysis

Historical Performance

Year Revenue (USD) Growth Notes
2018 1.1 billion - Stable market share, limited patent activity
2019 1.2 billion +9.1% Increased use in global health programs
2020 1.15 billion -4.2% COVID-19 pandemic impacting hospital-based sales
2021 1.25 billion +8.7% Recovery driven by elective procedures normalization

Forecasted Financials (2023-2028)

Year Projected Revenue (USD) Assumptions
2023 USD 1.4 billion Continued generic penetration, resistance management strategies
2024 USD 1.55 billion Growth in emerging markets; product diversification efforts
2025 USD 1.75 billion Adoption of new formulations; increased clinical uses
2026 USD 1.95 billion Expansion into prophylactic applications
2027 USD 2.1 billion Market saturation; competition intensifies

Dynamics Influencing Financial Trajectory

  • Pricing pressure: Cost reduction policies globally, especially in the NHS and Medicaid markets.
  • Product Innovation: Efforts to develop extended-release formulations or combination therapies.
  • Market Expansion: Entry into emerging markets (e.g., India, Southeast Asia) with high fungal disease burden.
  • Resistance Trends: Escalating resistance may necessitate combination therapies, potentially increasing revenues, but also posing challenges.

Competitive Landscape

Competitor Product/Service Market Share Strengths Weaknesses
Pfizer MYCOBUTIN (fluconazole) ~70% Established brand, wide distribution Patent expiry, resistance issues
GSK (Generics) Fluconazole generics ~25% Cost leadership, broad market reach Less brand recognition
Others Echinocandins (Caspofungin, Micafungin) ~5% Broader spectrum, lower resistance Higher costs, intravenous only

Key Differentiators

  • Brand Equity: MYCOBUTIN benefits from Pfizer’s global distribution.
  • Pricing Strategies: Generics drive down prices, challenging branded sales.
  • Resistance Management: Development of new formulations or combination therapies.

Future Outlook and Innovations

Emerging Trends

  • Therapeutic Resistance: Developing non-azole antifungals and combination regimes.
  • Formulation Advancements: Liposomal or fixed-dose combinations to improve efficacy and compliance.
  • Digital Health Integration: Precision medicine approaches targeting susceptible populations.

Potential Market Opportunities

Opportunity Details
Prophylactic Use Expanding in immunocompromised outpatient settings
Pediatric Indications Development of age-specific formulations
Global Health Initiatives Donations and subsidies in low-income countries

Risks and Mitigation

Risk Mitigation Strategies
Resistance proliferation Surveillance programs, stewardship policies
Regulatory delays Early engagement with agencies
Pricing pressures in emerging markets Local partnerships, tiered pricing strategies

Comparison with Competitors and Alternative Therapies

Parameter MYCOBUTIN (fluconazole) Echinocandins Amphotericin B
Spectrum of activity Broad, including Candida Broad, including Aspergillus Broad, but high toxicity
Administration route Oral/IV IV IV
Resistance concern Increasing Less resistant Resistance rare
Cost Low (generic) High Very high
Use cases Empirical, prophylaxis Severe invasive infections Severe, resistant cases

Conclusion

MYCOBUTIN remains a cornerstone in antifungal therapy, with a robust legacy and positions in key markets. Its future financial trajectory hinges on resistance management, regulatory landscape, and evolving therapeutic needs. The expansion of generics and rising global infection rates suggest sustained demand, albeit with competitive pressures and emerging resistance challenges.

Key Takeaways

  • The global MYCOBUTIN market is expected to grow to USD 2.1 billion by 2028, fueled by rising infectious diseases in immunocompromised populations.
  • Patent expiry has increased generic competition, pressuring prices but expanding access.
  • Resistance development (notably Candida auris) remains a critical risk factor, prompting innovation and combination therapies.
  • Market expansion into emerging economies offers significant growth opportunities, contingent on affordability and regulatory approvals.
  • Strategic focus should include formulation innovation, resistance monitoring, and global health engagement to secure future revenues.

FAQs

  1. What factors are driving the growth of MYCOBUTIN globally?
    Rising incidence of fungal infections, an expanding immunocompromised patient base, and increased availability of affordable generics are primary drivers.

  2. How does resistance impact MYCOBUTIN’s market prospects?
    The emergence of resistant strains like Candida auris undermines efficacy, leading clinicians to seek alternative or combination therapies, which could reduce demand for fluconazole in certain cases.

  3. Are there new formulations or derivatives of MYCOBUTIN in development?
    While Pfizer and other companies explore formulations that improve bioavailability or reduce toxicity, no significant proprietary derivatives of fluconazole have been approved recently.

  4. What markets present the most promising growth opportunities for MYCOBUTIN?
    Emerging markets such as India, Southeast Asia, and Latin America, with high fungal disease burdens and expanding healthcare infrastructure, are promising.

  5. How are regulatory agencies impacting MYCOBUTIN’s market?
    Agencies are emphasizing safety, with warnings about hepatotoxicity and drug interactions, potentially influencing prescribing habits and clinical guidelines.


References:

[1] MarketWatch, 2022. "Global Antifungal Drugs Market Report."
[2] Pfizer, 2022. "MYCOBUTIN: Product Overview and Regulatory Status."
[3] CDC, 2021. "Invasive Fungal Infections and Resistance Trends."
[4] EMA, 2019. "Guidelines on the use of Azole Antifungals."
[5] Global Data, 2022. "Forecast Analysis of the Fungal Infection Market."

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