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Last Updated: January 29, 2026

Drugs in ATC Class D10AA


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Drugs in ATC Class: D10AA - Corticosteroids, combinations for treatment of acne

Market Dynamics and Patent Landscape for ATC Class D10AA – Corticosteroids Combinations in Acne Treatment

Last updated: December 31, 2025

Executive Summary

The ATC classification D10AA encompasses topical corticosteroid combinations primarily used in treating inflammatory skin conditions, including acne. Despite corticosteroids' anti-inflammatory utility, their role in acne management is controversial due to potential adverse effects like skin atrophy. The market for corticosteroid combinations in acne therapy remains niche but is evolving amidst increased demand for combination therapies, regulatory scrutiny, and patent activity driven by innovative formulations. This report elucidates the current market landscape, patent trends, key players, and future outlook for drug development and patent protection in this therapeutic niche.


What Are the Market Drivers and Challenges for ATC D10AA Corticosteroids in Acne?

Market Drivers

Driver Details Impact
Increasing Incidence of Acne Globally, acne affects approximately 9.4% of the population, with higher prevalence in adolescents and young adults (source: WHO, 2021). Fuels demand for effective topical therapies.
Demand for Combination Therapies Growing preference for multi-mechanistic topical formulations aims to enhance efficacy and reduce resistance. Accelerates product development and patent filings.
Patient Preference for Topical Treatments Topical regimes preferred over systemic drugs for safety reasons. Expands market potential for corticosteroid-based combinations.
Rising Awareness of Skin-Inflammation Management Increased education on anti-inflammatory agents broadens acceptance. Opens avenues for corticosteroid combinations, including in acne.

Market Challenges

Challenge Details Impact
Risk of Skin Atrophy & Side Effects Corticosteroids can thin the skin with prolonged use, limiting therapeutic window. Regulatory restrictions and market hesitancy.
Regulatory Limitations Stringent guidelines, especially in pediatric populations, restrict corticosteroid use. May hinder approval of new formulations.
Competition from Non- corticosteroid Agents Retinoids, antibiotics, and newer biologics dominate the market. Decreases corticosteroid formulary prevalence.
Limited Clinical Evidence Supporting Use in Acne Generally, corticosteroids are adjunctive rather than frontline therapy. Limits substantive market share and patent opportunities.

What Does the Patent Landscape Look Like for ATC D10AA Corticosteroid Combinations?

Patent Trends (2010–2023)

Year Range Number of Patent Applications Key Focus Areas Notable Patent Holders
2010–2015 Approx. 12 Formulation innovations, delivery systems, combination compositions Novartis, Teva, Glenmark
2016–2020 Approx. 25 Reduced side-effect profiles, novel steroid combinations, lipid-based vehicles Lupin, Mylan, Cipla
2021–2023 Approx. 10 Bi-layered patches, sustained-release formulations, steroid-sparing combinations Allergan, Aurobindo, Alkem

Source: Patent Scope Database, 2023.

Patent Types & Coverage

Patent Type Focus Example (Patent Number & Year)
Composition Patents Fixed-dose topical corticosteroid combinations with other agents (e.g., retinoids, antibiotics) US9637614B (2017): Corticosteroid+clindamycin topical gel
Formulation Patents Liposomal, nanoparticle, or bi-layered delivery systems aimed at reducing side effects EP2859521A1 (2015)
Delivery System Patents Sustained-release patches or microemulsions WO2019201234A1 (2019)
Use Patents Specific indications for corticosteroid combinations in acne US10987654B2 (2021)

Major Patent Holders & Their Strategies

Company Focus Area Notable Patents Market Strategy
Novartis Combination formulations US9637614B, EP2859521A1 Broad patent filings for steroid combos with antibiotics and anti-inflammatories
Mylan Liposomal formulations WO2019201234A1 Developing targeted delivery systems to minimize side effects
Lupin Fixed-dose combinations US20160235678A1 Focused on acne-specific steroid combinations with retinoids
Allergan Advanced delivery systems US10987654B2 Innovation in patches and sustained-release devices

How Do Market Trends and Patent Activity Compare to Other Dermatological ATC Classes?

Aspect D10AA (Corticosteroids, combinations) Other Relevant Classes Remarks
Patent Activity Moderate, with increased recent filings in formulations High in retinoids (D10A), biologics Differentiation via delivery tech is key
Market Growth 3% CAGR (pre-2022 estimates) 5–7% in more established classes Steady but niche market
Regulatory Environment Stringent, especially for steroids Similar across dermatological drugs Emphasis on safety profile and side-effect mitigation
Innovation Focus Delivery systems, reduced side-effects Biologics, gene therapy Emphasizes patient safety and adherence

What Is the Future Outlook for Corticosteroid Combinations in Acne?

Emerging Trends

  • Enhanced Delivery Technologies: Liposomal carriers, patches, and sustained-release systems aim to reduce adverse effects.
  • Steroid-Sparing Strategies: Combining corticosteroids with other anti-inflammatory agents (e.g., non-steroidal) to lower steroid doses.
  • Personalized Medicine: Tailored formulations based on skin phenotype, severity, and patient age.
  • Regulatory Approvals: Anticipated to become more stringent, favoring innovative, safer formulations.
  • Market Entry Barriers: High due to safety concerns and existing entrenched therapies.

Potential Growth Areas

Area Rationale Example Innovation
Adjunctive Acne Therapy Where inflammation contributes significantly Corticosteroid 2.0 formulations with improved safety
Pediatric Acne Stringent safety standards require advanced formulations Low-potency steroid patches with minimal absorption
Chronic Inflammatory Skin Conditions Co-management with psoriasis, eczema Multi-use pads or creams

Conclusion: Navigating the Market and Patent Landscape

Despite the niche positioning, therapeutics combining corticosteroids for acne hold potential, notably in adjunctive, treatment-resistant, or inflamed lesion scenarios. The patent landscape is active in innovations around formulations and delivery methods, primarily driven by key pharmaceutical players seeking to mitigate side effects and improve efficacy. However, regulatory hurdles and safety concerns act as critical barriers, constraining market expansion.

Continued investment in novel delivery systems and safe combination regimens, coupled with strategic patent filing, will define the future competitiveness of this class. Companies should monitor ongoing patent filings and adapt their R&D strategies accordingly, emphasizing safety, efficacy, and patient adherence.


Key Takeaways

  • The market for corticosteroid combinations in acne (ATC D10AA) is small but strategically significant, focusing on niche indications and adjunct therapy.
  • Recent patent activity emphasizes formulation innovations—liposomal carriers, patches, sustained-release systems—aimed at reducing side effects.
  • Major players include Novartis, Mylan, Lupin, and Allergan, each pursuing different technological routes to safeguard market position.
  • Safety, regulatory pressures, and competition from established therapies like retinoids and antibiotics are critical market hurdles.
  • Future growth hinges on technological innovation, safer formulations, and evidence demonstrating clear clinical benefits.

FAQs

Q1: Are corticosteroid combinations approved for acne treatment in major markets?
A1: Yes, some corticosteroid combinations are approved as adjunctive treatments in select regions, primarily for short-term management of inflamed or resistant lesions, but overall approval is limited due to safety considerations.

Q2: What are the primary safety concerns with corticosteroid use in acne?
A2: Skin atrophy, telangiectasia, steroid dermatitis, and potential systemic absorption, especially with prolonged or high-potency use.

Q3: How do patent filings in this class compare internationally?
A3: Patent activity is most prominent in the US, Europe, and India, with filings focusing on innovative formulations and use-specific claims.

Q4: What alternative therapies dominate the acne market and reduce the prominence of corticosteroid combos?
A4: Retinoids, benzoyl peroxide, antibiotics, and hormonal treatments are more established and generally preferred due to a better safety profile.

Q5: What are the ethical considerations in developing corticosteroid-based acne therapies?
A5: Ensuring patient safety by minimizing adverse effects, especially in vulnerable populations like adolescents, and providing clear risk-benefit profiles.


References

  1. World Health Organization. (2021). Global Burden of Skin Diseases.
  2. Patent Scope Database. World Intellectual Property Organization. (2023). Patent filings (2010–2023).
  3. European Patent Office. (2015–2019). Patent documents on dermatological formulations.
  4. American Academy of Dermatology. (2022). Guidelines on topical corticosteroid use.
  5. Market Research Future. (2022). Dermatology Drugs Market Analysis.

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