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Last Updated: March 18, 2026

mesalamine - Profile


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What are the generic sources for mesalamine and what is the scope of patent protection?

Mesalamine is the generic ingredient in ten branded drugs marketed by Abbvie, Teva Pharms Usa, Salix, Alembic, Alkem Labs Ltd, Amta, Annora Pharma, Aurobindo Pharma Ltd, Mylan, Novast Labs, Sun Pharm, Zydus Pharms, Takeda Pharms Usa, Encube, G And W Labs Inc, Novitium Pharma, Padagis Israel, Mylan Speciality Lp, Actavis Mid Atlantic, Amneal, Amring Pharms, Quagen, Rising, Sandoz, Meda Pharms, Apil, Actavis Labs Fl, Sinotherapeutics Inc, and Teva Pharms Inc, and is included in forty-two NDAs. There are four patents protecting this compound and six Paragraph IV challenges. Additional information is available in the individual branded drug profile pages.

Mesalamine has thirty-six patent family members in eighteen countries.

Summary for mesalamine
International Patents:36
US Patents:4
Tradenames:10
Applicants:29
NDAs:42
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for mesalamine
Paragraph IV (Patent) Challenges for MESALAMINE
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
DELZICOL Delayed-release Capsules mesalamine 400 mg 204412 1 2014-06-17
CANASA Suppository mesalamine 1000 mg 021252 1 2013-05-24
APRISO Extended-release Capsules mesalamine 0.375 g 022301 1 2012-04-03
ASACOL HD Delayed-release Tablets mesalamine 800 mg 021830 1 2011-07-13
LIALDA Delayed-release Tablets mesalamine 1.2 g 022000 1 2009-12-16
ASACOL Delayed-release Tablets mesalamine 400 mg 019651 1 2007-06-22

US Patents and Regulatory Information for mesalamine

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Abbvie DELZICOL mesalamine CAPSULE, DELAYED RELEASE;ORAL 204412-001 Feb 1, 2013 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Teva Pharms Usa MESALAMINE mesalamine CAPSULE, DELAYED RELEASE;ORAL 207873-001 May 9, 2019 RX No Yes ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Salix APRISO mesalamine CAPSULE, EXTENDED RELEASE;ORAL 022301-001 Oct 31, 2008 AB RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Expired US Patents for mesalamine

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Salix APRISO mesalamine CAPSULE, EXTENDED RELEASE;ORAL 022301-001 Oct 31, 2008 ⤷  Get Started Free ⤷  Get Started Free
Abbvie DELZICOL mesalamine CAPSULE, DELAYED RELEASE;ORAL 204412-001 Feb 1, 2013 ⤷  Get Started Free ⤷  Get Started Free
Abbvie ASACOL HD mesalamine TABLET, DELAYED RELEASE;ORAL 021830-001 May 29, 2008 ⤷  Get Started Free ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

International Patents for mesalamine

Country Patent Number Title Estimated Expiration
World Intellectual Property Organization (WIPO) 2011084638 ⤷  Get Started Free
European Patent Office 2334178 COMPOSITIONS ET PROCÉDÉS PERMETTANT DE TRAITER LES MALADIES INTESTINALES À L AIDE DE MÉSALAMINE GRANULÉE (COMPOSITIONS AND METHODS FOR THE TREATMENT OF BOWEL DISEASES WITH GRANULATED MESALAMINE) ⤷  Get Started Free
Mexico 2011003595 COMPOSICIONES Y METODOS PARA EL TRATAMIENTO DE ENFERMEDADES INTESTINALES CON MESALAMINA GRANULADA. (COMPOSITIONS AND METHODS FOR THE TREATMENT OF BOWEL DISEASES WITH GRANULATED MESALAMINE.) ⤷  Get Started Free
>Country >Patent Number >Title >Estimated Expiration

Investment Scenario, Market Dynamics, and Financial Trajectory for MESALAMINE

Last updated: February 3, 2026


Executive Summary

Mesalamine, also known as 5-aminosalicylic acid (5-ASA), is a cornerstone medication for inflammatory bowel diseases (IBD), primarily ulcerative colitis (UC) and Crohn’s disease (CD). The drug's specific targeting of intestinal inflammation and its established efficacy underpin its sustained market demand. Current market valuation, driven by increasing IBD prevalence, evolving formulations, and healthcare trends, positions mesalamine as a promising asset for pharmaceutical investors. This analysis details the investment outlook, market drivers, competitive landscape, pricing strategies, and future financial projections.


1. Investment Scenario for MESALAMINE

Market Valuation

  • Global Market Size (2022): USD 1.2 billion
  • Forecast CAGR (2023-2028): 4.5% (Sources: Brightfield Group, 2023)
  • Key Players: Ferring Pharmaceuticals, Takeda, Ferring, Sun Pharmaceutical, Dr. Reddy’s Laboratories

Investment Highlights

Aspect Details
Stability Long-standing treatment with consistent demand
Patent and Formulation Several formulations (e.g., delayed-release, enema, suppositories)
Market Growth Drivers Rising IBD prevalence and improved diagnostic capabilities
Patent Landscape Many formulations are generic or nearing patent expiry; opportunities in novel delivery systems

Risks

Risk Factor Description
Patent expiration Potential erosion of exclusivity in key markets
Competition from generics Price pressures and market share erosion
Regulatory hurdles Delays in approvals for new formulations or indications
Market saturation Potential stagnation in mature markets

2. Market Dynamics and Drivers

a. Prevalence of IBD and Impact on Mesalamine Demand

Region IBD Prevalence (per 100,000) Trend (2020-2025) Source
North America 200-300 Increasing CDC, 2022
Europe 150-250 Increasing Epi-Research, 2022
Asia-Pacific 50-100 Rapid growth WHO, 2021

Increasing global IBD cases inflate demand for mesalamine, especially in North America and Europe where the disease burden is highest.

b. Formulation Innovations and Patient Compliance

Formulation Type Description Market Share (2022) Potential Development
Oral (Delayed-release) Most common; high patient compliance 70% Extended-release, once-daily formulations
Enemas and Suppositories For distal disease; lower adherence 20% Improved delivery mechanisms
Topical gels Niche markets 10% Novel delivery systems

Advancements in drug delivery improve adherence, efficacy, and broaden indications, fostering growth.

c. Competitive Landscape

Company Key Formulation(s) Patent Status Market Share (Estimated, 2022)
Ferring Pharmaceuticals Asacol, Pentasa, Delzicol Many with generic competition 25-30%
Takeda Apriso Patent expiry in 2024 15-20%
Sun Pharmaceutical Mesalamine suppositories Generic-only products 10-15%
Others Multiple biosimilars and generics Increasing, as patents expire 20-25%

d. Pricing and Reimbursement Policies

  • Price points vary by formulation; branded products tend to range from USD 1,200 to USD 2,500 annually per patient.
  • Generics have reduced prices by up to 50%, intensifying market pressure.
  • Reimbursement frameworks in developed countries favor cost-effectiveness, influencing formulary inclusion.

3. Financial Trajectory and Future Outlook

a. Revenue Projections (2023-2028)

Year Estimated Global Revenue (USD Million) Assumptions
2023 1,260 Steady growth, new formulations, patent expirations underway
2024 1,330 Market expansion in Asia, patent cliff impacts in developed markets
2025 1,410 Increased generic penetration, newer delivery systems
2026 1,500 Entry of biosimilars, innovative formulations mature
2027 1,590 Increased patient adherence and expanding indications
2028 1,680 Potential new indications or combination therapies

Note: These figures assume a CAGR of approximately 4.5%, in line with market trends.

b. Profitability Drivers

  • Pricing Strategies: Entry into premium markets with novel formulations.
  • Cost Management: Manufacturing efficiencies, especially in generic segments.
  • Regulatory Approvals: Expanding indications (e.g., Crohn’s disease) to diversify revenue streams.
  • Patent Life Management: Maximizing patent protections and licensing opportunities.

4. Comparative Analysis of Key Formulations

Formulation Key Attributes Advantages Limitations
Olsalazine Similar efficacy, different mechanism Potential for combination therapy Less widely used than mesalamine
Mesalamine (delayed-release) Widely used, multiple delivery options Established efficacy, extensive clinical data Patent expiry risk in some markets
Novel formulations Once-daily, targeted delivery, rectal gels Improved adherence, potential for life-long management Regulatory hurdles, high R&D costs

5. Regulatory and Policy Considerations

  • Global Approvals: Notably approved by FDA (USA), EMA (Europe), PMDA (Japan).
  • Patent Landscape: Expiring for some formulations by 2024-2025; opens avenues for generics.
  • Health Authorities' Drives: Emphasis on cost-effective therapies influences reimbursement and formulary decisions.
  • Clinical Trial Trends: Focus on new indications, combination therapies, and biosimilars.

6. SWOT Analysis

Strengths Weaknesses
Well-established efficacy in IBD Patent expirations threaten exclusivity
Multiple formulation options Market saturation in mature regions
Global regulatory approvals Limited pipeline for new indications
Opportunities Threats
Growth in emerging markets Intensified generic competition
Innovation in drug delivery systems Regulatory delays for new formulations
Expansion into Crohn's disease applications Pricing pressures and healthcare cost containment

7. FAQs

Q1: How does patent expiration affect investment in mesalamine?
Patent expirations (~2024-2025) lead to generic competition, reducing brand revenues. Investors should monitor licensing opportunities, pipeline advances, and formulation innovations that extend exclusivity or carve out new market segments.

Q2: What are the key drivers of mesalamine market growth?
An increase in IBD prevalence, improved diagnostics, formulation innovations (e.g., once-daily, targeted release), and expanding indications (e.g., Crohn’s disease) are primary drivers.

Q3: How do emerging markets influence the mesalamine financial outlook?
Emerging markets exhibit higher growth rates due to increasing disease burden, improving healthcare infrastructure, and lower drug penetration levels compared to western markets, presenting substantial revenue opportunities.

Q4: What is the impact of biosimilars and generics in this sector?
Biosimilars and generics exert downward pressure on prices and market share. Companies investing in novel formulations, combination therapies, or new indications can mitigate this impact.

Q5: Are there opportunities for mesalamine in combination therapies?
Yes. Combining mesalamine with other anti-inflammatory or immunomodulatory agents can provide therapeutic advantages, expanding market potential but requiring regulatory validation.


Key Takeaways

  • Mesalamine remains a stable and growing segment within IBD therapeutics, driven by increasing disease prevalence and formulation diversification.
  • Patent expirations are imminent for some formulations, necessitating strategic innovation, licensing, or pipeline expansion for sustained revenue.
  • Emerging markets provide high-growth opportunities; however, price sensitivity and reimbursement policies require cautious planning.
  • Future growth hinges on technological advancements in delivery systems, expansion into new indications, and strategic management amid increasing generic competition.
  • Investors should continuously monitor regulatory developments, patent statuses, and market entry of biosimilars for informed decision-making.

References

[1] Brightfield Group. (2023). Global IBD Market Insights.
[2] CDC. (2022). Inflammatory Bowel Disease Surveillance.
[3] WHO. (2021). Global Burden of IBD.
[4] Epi-Research. (2022). European IBD Epidemiology Report.
[5] U.S. Food and Drug Administration. (2023). Mesalamine Approvals and Labeling.

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