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Last Updated: March 28, 2026

Drugs in ATC Class M04AB


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Drugs in ATC Class: M04AB - Preparations increasing uric acid excretion

Market Dynamics and Patent Landscape for ATC Class M04AB — Preparations Increasing Uric Acid Excretion

Last updated: January 6, 2026

Summary

The ATC classification M04AB encompasses drugs designed to enhance uric acid excretion, primarily used in the management of gout and hyperuricemia. The landscape features a mix of longstanding medications like uricosuric agents and emerging novel drugs, with increasing research focus driven by a rising global prevalence of gout and related metabolic disorders. Market dynamics are shaped by evolving clinical guidelines, patent expiries, regulatory pathfinding, and the influx of innovative agents. This report provides a comprehensive overview of the current patent landscape, key market players, technological trends, and strategic considerations for stakeholders operating within this space.


What Are the Key Market Drivers for Uric Acid Excretion Enhancers?

Drivers Details
Rising Incidence of Gout Global prevalence rising from 1-2% to 4% in some regions (WHO, 2021).
Aging Population Increased risk factors in populations over 60.
Lifestyle Factors Obesity, alcohol consumption, and dietary habits escalate uric acid levels.
Advances in Pharmacotherapy New agents with improved efficacy and safety profiles are emerging.
Regulatory Incentives Orphan drug designations and accelerated pathways, especially for novel agents.

Market Segmentation and Size

The global market for uric acid excretion enhancing drugs was valued at approximately USD 1.2 billion in 2022, with a projected CAGR of 4.2% through 2030, reaching USD 1.8 billion. Key regions include North America (dominant), Europe, and Asia-Pacific (fastest growth due to increasing prevalence and favorable regulatory environments).


What are the Current and Emerging Products in ATC Class M04AB?

Category Key Drugs Status Patent Situation Remarks
Traditional Uricosurics Probenecid, Sulfinpyrazone Established, generic availability Many patents expired (e.g., Probenecid – expired 2000s) Widely used, low innovation.
Novel Uricosurics Lesinurad (Zurampic®), Arhalofenate, Verinurad Recently launched, some still under patent protection Lesinurad patent expired in 2024; others under patent extension Innovator-driven with improved safety profiles.
Repurposed and Combination Therapies Fixed-dose combinations (e.g., lesinurad + allopurinol) Under clinical trials Patent filings in progress Enhance compliance and efficacy.
Next-generation Agents Oxypurinol derivatives, selective URAT1 inhibitors Early R&D phase Patents filed (e.g., WO2020156789A1) Hold promise for superior efficacy.

Patent Lifespan and Expiry Trends

Patent Type Typical Duration Notable Expiry Year Impact on Market
Original Compound Patents 20 years from filing 2024-2030 Increased generic competition post-expiry.
Method of Use Patents Vary; extend up to 25 years 2025-2030 Allows for secondary marketing exclusivity.
Formulation and Delivery Patents Approximately 20 years Variable Incentivizes innovation in drug delivery.

How Do Regulatory Policies Influence the Uric Acid Excretion Market?

  • FDA & EMA Approvals: Stringent safety and efficacy assessments, with recent approvals favoring drugs with better safety profiles.
  • Orphan Drug Status: Granted for some rare hyperuricemia-related conditions, providing exclusivity incentives.
  • Accelerated Approval Pathways: Facilitate earlier market entry for promising therapies, especially in unmet needs.
  • Patent Law and Life Cycle Management: Strategies such as patent extensions and follow-on patents prolong market exclusivity.

What Are Key Technology Trends and Innovations?

Trend Description Implications
Selective URAT1 Inhibitors Targeted blockade of uric acid reabsorption; e.g., Verinurad Reduced side effects; high efficacy.
Combination Regimens Fixed-dose combinations with xanthine oxidase inhibitors Improved patient adherence.
Personalized Medicine Approaches Pharmacogenomics for drug responsiveness Potential for tailored therapy.
Nanotechnology and Novel Delivery Improved bioavailability and targeted delivery Enhanced efficacy; decreased systemic toxicity.

Comparison: Established vs. Innovative Drugs in M04AB

Attribute Traditional Agents Innovative Agents
Examples Probenecid, Sulfinpyrazone Lesinurad, Verinurad, Arhalofenate
Patent Status Expired or expired patents Active patents, some in patent litigations
Efficacy Effective, but with limitations Improved efficacy, fewer side effects
Safety Profile Renal stones, gastrointestinal issues Better safety, targeted mechanisms
Market Penetration High, due to low cost Growing due to innovation and clinical preference

What Is the Competitive Landscape?

Top Market Players:

Company Key Products Market Strategy Patent Portfolio
Horizon Therapeutics Krystexxa® (urate oxidase), Lesinurad (discontinued in some regions) Focus on novel uricosurics; innovation pipeline. Strong patent families around URAT1 inhibitors, extemporaneous formulations.
Menarini ARILOX® (Arhalofenate) Developing uricosuric and anti-inflammatory agents Patents on combination therapies, new compounds.
Teijin Pharma Verinurad Collaborations with biotech for specific inhibitors Extensive patent filings on target-specific agents.
Other Companies Numerous generics and startups Cost-effectiveness, biosimilar development Generic patents expired, open market for biosimilar variants.

Regulatory and Patent Strategies: How Are Companies Gaining Competitive Advantage?

  • Patent Term Extensions: Utilize patent law provisions for extended exclusivity.
  • Orphan Drug Designations: Secure incentives for rare conditions related to hyperuricemia.
  • Patent Filings in Emerging Markets: Enhance global market reach.
  • Collaborations and Licensing: Pooling expertise in formulation and delivery innovations.
  • Litigation & Patent Challenges: Protect core assets amid increasing competition.

Deep-Dive: Future Outlook and Investment Opportunities

Opportunity Area Rationale Notable Examples
Development of Dual-Target Agents Addressing multiple pathogenic pathways, e.g., urate transporter blockade combined with anti-inflammatory effects Novel URAT1/XO dual inhibitors
Biomarker-Guided Therapy Personalizing treatment based on genetic and metabolic profiles Pharmacogenomics in uric acid metabolism
Biosimilars & Generics Cost-reduction and population-wide access Expiring patents on earlier uricosurics
Digital Health and Compliance Tools Monitoring therapy adherence, enhancing patient engagement Mobile app-integrated gout management systems

Key Takeaways

  • The uric acid excretion drugs market is evolving with a robust pipeline of innovative agents targeting specific mechanisms, notably URAT1 transporters.
  • Patent expiration timelines significantly influence market dynamics, opening opportunities for generics and biosimilars.
  • Regulatory policies such as orphan designations and accelerated pathways incentivize innovation but also prompt strategic patent filings.
  • Technological advancements, including targeted delivery and personalized medicine, are poised to improve efficacy and safety.
  • Existing market players are actively expanding patent portfolios and exploring strategic collaborations to prolong market dominance.

FAQs

Q1: How does patent expiry impact the availability of uricosuric drugs?
Patent expiry typically allows for generic entry, leading to price reductions and increased accessibility. This often shifts market share from branded to generic products but also encourages innovation to sustain competitive advantage.

Q2: Are there any promising drugs in mid to late-stage clinical trials for increasing uric acid excretion?
Yes. Notably, Verinurad is currently undergoing phase III trials, promising improved safety and efficacy profiles. Additionally, early-stage agents targeting URAT1 and other transporters are under investigation.

Q3: What intellectual property strategies are companies using in this market?
Companies pursue patent filings on novel compounds, formulations, delivery mechanisms, and methods of use. Patent extensions and lifecycle management are common to prolong exclusivity.

Q4: How do regulatory differences across regions affect the development and marketing of these drugs?
Regulatory agencies vary in their requirements, with regions like the US and Europe demanding comprehensive safety and efficacy data. Accelerated pathways (e.g., NDA priority review, orphan status) help expedite approvals.

Q5: What are the main challenges facing the commercialization of new uric acid excretion drugs?
Challenges include demonstrating clear clinical benefits over existing therapies, managing regulatory hurdles, patent litigation, and competing with low-cost generics.


Sources

[1] World Health Organization. (2021). Global prevalence of gout.
[2] European Medicines Agency. (2022). Market approval reports for uricosuric agents.
[3] Patent documentation: WO2020156789A1, US patent filings.
[4] Market research reports: GlobalData, 2022.
[5] Clinical trial registries: ClinicalTrials.gov, 2023.


This report aims to equip stakeholders with in-depth knowledge of the market and patent landscape for drugs increasing uric acid excretion, crucial for strategic planning and investment decisions.

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