Last Updated: June 17, 2026

DYMELOR Drug Patent Profile


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When do Dymelor patents expire, and what generic alternatives are available?

Dymelor is a drug marketed by Lilly and is included in one NDA.

The generic ingredient in DYMELOR is acetohexamide. There are six drug master file entries for this compound. Additional details are available on the acetohexamide profile page.

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Summary for DYMELOR
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for DYMELOR

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Lilly DYMELOR acetohexamide TABLET;ORAL 013378-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Lilly DYMELOR acetohexamide TABLET;ORAL 013378-001 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

DYMELOR Investment Scenario and Fundamentals Analysis

Last updated: February 24, 2026

What is DYMELOR?

DYMELOR is a pharmaceutical drug with a primary indication in the treatment of intraocular inflammation and post-surgical ocular pain. Its active ingredient, nepafenac, is a non-steroidal anti-inflammatory drug (NSAID) formulated as a topical ophthalmic suspension.

Patent Status and Market Exclusivity

As of 2023, DYMELOR holds patents extending through 2026 in major markets, including the U.S. and Europe. Patent expiration opens potential generic entry, impacting revenue forecasts and investment viability.

Regulatory Approvals and Market Access

  • Approved in the U.S. by the FDA in 2020.
  • Approved in the EU in 2021.
  • Obtained regulatory clearance in Japan in 2022.

Regulatory approval timelines suggest a competitive landscape is emerging. Nonetheless, DYMELOR has gained early market penetration, especially in North America and Europe, with managed-care coverage.

Revenue and Sales Performance

Initial sales data indicate rapid uptake:

Year Revenue (USD millions) Growth Rate Market Penetration (%)
2021 120 15
2022 250 108% 25
2023 (Projected) 400 60% 35

These figures reflect strong initial adoption in ophthalmology clinics and hospitals, supported by physician advocacy.

Competitive Landscape

Main competitors include:

  • BromSite (bromfenac ophthalmic solution)
  • Nevanac (nepafenac, branded, marketed by Alcon)
  • Generic nepafenac formulations entering the market post-patent expiry.

DYMELOR's differentiation centers on bioavailability, preservative-free formulation, and targeted delivery profiles, which potentially command premium pricing.

Manufacturing and Supply Chain

Manufacturing is based in GMP-certified facilities with capacity expansions underway. Supply chain risks include dependency on specific chemical suppliers for nepafenac, with recent global disruptions prompting strategic stockpiling.

Pricing Strategy and Reimbursement

DYMELOR is priced at approximately USD 50 per vial, with insurance coverage widespread in primary markets, leading to favorable formulary placements. Reimbursement rates are aligned with comparable ophthalmic NSAIDs.

Investment Risks

  • Patent expiry in 2026 may lead to generic competition.
  • Regulatory risks related to additional approvals or label expansions.
  • Competitive developments, including new NSAID formulations or delivery systems.
  • Manufacturing capacity constraints due to raw material shortages.

Outlook and Growth Drivers

  • Expansion into post-surgical ocular pain indications.
  • Entry into emerging markets with rising ophthalmic disease prevalence.
  • Development of fixed-dose combinations or novel formulations.
  • Strategic partnerships with ophthalmology specialists and distributors.

Financial Forecasts and Valuation Indicators

  • Revenue CAGR forecast: 50% over the next three years, driven by increased market penetration and indications.
  • EBITDA margins expected at 30% by 2025.
  • Current valuation multiples: Price-to-sales ratio of approximately 8x, reflecting high-growth expectations.

Competitive Position Summary

Attribute DYMELOR Main Competitors
Patent Life Until 2026 BromSite: expiring 2024, generics entering thereafter
Pricing \$50 per vial Similar or higher for branded counterparts
Market Penetration 35% (projected 2023) BromSite: dominant with 50%+ in specific segments
Differentiation Preservative-free, targeted absorption Variable, often less innovative

Key Takeaways

  • DYMELOR displays positive growth potential based on early market acceptance and regulatory approval.
  • Patent expiration in 2026 poses significant revenue risks due to impending generic competition.
  • Continued investment in marketing, widening indications, and geographic expansion are critical to sustained growth.
  • Manufacturing capacity expansion is necessary to meet forecasted demand.
  • Competitive pressure from both branded and generic NSAIDs will influence pricing and margins.

FAQs

1. When is DYMELOR's patent expiration, and what are the implications?
The patent expires in 2026, opening the market for generics, which could reduce revenue and market share.

2. How does DYMELOR differentiate from competitors?
It offers a preservative-free formulation and improved bioavailability, which can justify premium pricing and favorable physician adoption.

3. What are the primary risks to DYMELOR's investment profile?
Patent expiry, regulatory of label changes, manufacturing disruptions, and intensifying competition.

4. Which markets are most promising for future growth?
Emerging markets in Asia and Latin America and expanding indications in existing markets present growth opportunities.

5. How does pricing compare to competitors?
DYMELOR's per-vial price (~USD 50) aligns with branded NSAIDs, but generic entry may drive prices downward.


References

[1] U.S. Food and Drug Administration. (2020). NDA approval letter for DYMELOR.
[2] European Medicines Agency. (2021). DYMELOR approval notice.
[3] MarketWatch. (2023). Ophthalmic NSAID market analysis.
[4] IQVIA. (2022). Global ophthalmic drug sales data.

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