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Last Updated: March 26, 2026

RASAGILINE MESYLATE Drug Patent Profile


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

Rasagiline Mesylate is a drug marketed by Alkem Labs Ltd, Apotex Inc, Aurobindo Pharma Usa, Carnegie, Chartwell Rx, Macleods Pharms Ltd, Micro Labs, Orbion Pharms, Regcon Holdings, Rising, Torrent, and Watson Labs Inc. and is included in twelve NDAs.

The generic ingredient in RASAGILINE MESYLATE is rasagiline mesylate. There are eighteen drug master file entries for this compound. Fourteen suppliers are listed for this compound. Additional details are available on the rasagiline mesylate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Rasagiline Mesylate

A generic version of RASAGILINE MESYLATE was approved as rasagiline mesylate by ORBION PHARMS on March 15th, 2016.

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Drug patent expirations by year for RASAGILINE MESYLATE
Drug Prices for RASAGILINE MESYLATE

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Recent Clinical Trials for RASAGILINE MESYLATE

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SponsorPhase
Teva Pharmaceutical IndustriesPhase 1
Teva Branded Pharmaceutical Products R&D, Inc.Phase 1
Technische Universität DresdenPhase 4

See all RASAGILINE MESYLATE clinical trials

Pharmacology for RASAGILINE MESYLATE
Anatomical Therapeutic Chemical (ATC) Classes for RASAGILINE MESYLATE
Paragraph IV (Patent) Challenges for RASAGILINE MESYLATE
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
AZILECT Tablets rasagiline mesylate 0.5 mg and 1 mg 021641 5 2010-05-17

US Patents and Regulatory Information for RASAGILINE MESYLATE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Alkem Labs Ltd RASAGILINE MESYLATE rasagiline mesylate TABLET;ORAL 201889-001 Oct 30, 2017 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Regcon Holdings RASAGILINE MESYLATE rasagiline mesylate TABLET;ORAL 206153-002 Oct 4, 2019 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Watson Labs Inc RASAGILINE MESYLATE rasagiline mesylate TABLET;ORAL 201823-002 Jul 1, 2013 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Carnegie RASAGILINE MESYLATE rasagiline mesylate TABLET;ORAL 201942-001 Nov 18, 2021 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Apotex Inc RASAGILINE MESYLATE rasagiline mesylate TABLET;ORAL 201950-002 Sep 12, 2013 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Macleods Pharms Ltd RASAGILINE MESYLATE rasagiline mesylate TABLET;ORAL 208866-002 Jun 28, 2024 AB RX 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

Market Dynamics and Financial Trajectory for Rasagiline Mesylate

Last updated: February 19, 2026

What are the current market drivers for Rasagiline Mesylate?

Rasagiline Mesylate is primarily used as a monotherapy or adjunct therapy in Parkinson's disease. Its market drivers include:

  • Growing prevalence of Parkinson’s disease, projected to reach 8.76 million cases worldwide by 2030 (Dorsey et al., 2018).
  • Increasing aging population, which raises demand for neurodegenerative disorder treatments.
  • Expanded FDA approval in 2018 for early-stage Parkinson's, broadening potential patient eligibility.
  • Competitive landscape includes branded drugs like Azilect (Teva/Eisai) and generics, influencing pricing strategies.

How does regulatory status impact market growth?

Regulatory approvals significantly influence sales potential:

  • Azilect’s initial approval in 2006 boosted early market penetration.
  • The 2018 FDA approval for early Parkinson’s stages enabled a broader treatment population.
  • Countries with streamlined approval pathways (e.g., Japan, EU) tend to accelerate market entry and revenue generation.
  • Patent expirations: Azilect’s original composition patent expired in 2028, opening avenues for generics, reducing prices, and compressing margins.

What is the competitive landscape?

The competition is characterized by:

Company Product Name Market Share Patent Status Launch Year
Teva/Eisai Azilect Dominant Patent until 2028 2006
Generic Manufacturers Various Increasing Post-2028 (patent expiry) 2028+
Other pipeline drugs Selegiline, Safinamide Niche N/A N/A

Patent cliffs for Azilect in 2028 are expected to cause market shifts toward generics, impacting pricing and sales volumes.

What financial trends are predicted for Rasagiline Mesylate?

  • Global sales of Azilect surpassed $700 million in 2022 (EvaluatePharma, 2023).
  • Market CAGR expected at 4-6% from 2023 to 2030, driven by aging demographics and expanding indications.
  • Post-2028, generic entry is projected to decrease prices by 40-60%, reducing revenue per unit substantially.
  • R&D investments for new formulations or delivery methods may influence future revenue streams.

How do emerging markets influence the financial trajectory?

Emerging markets present opportunities:

  • India and China show increased healthcare expenditure and Parkinson's prevalence.
  • Regulatory facilitation and local manufacturing reduce costs, enabling price differentiation.
  • Market penetration in these regions is expected to grow at an annual rate of roughly 5%, supporting overall revenue increases.

What are the key risks to revenue and market share?

Major risks include:

  • Patent expiration leading to generic competition.
  • Regulatory delays in new indications or formulations.
  • Competitive drugs with alternative mechanisms of action, such as Safinamide.
  • Pricing pressures in developed markets, especially in the context of healthcare cost containment programs.

What are the main opportunities for growth?

Opportunities involve:

  • Developing extended-release formulations to improve patient adherence.
  • Expanding approvals for combination therapies.
  • Entering new geographic markets with unmet needs.
  • Partnering with biotech firms for biomarker-driven treatment approaches.

Summary of Financial Outlook

Aspect 2022 2025 (Forecast) 2030 (Forecast)
Global sales $700 million $750 million $600 million (post-patent expiry)
Market growth rate N/A 4-6% CAGR 2-3% CAGR (post-2028)
Patent expiry N/A 2028 2028
Generic competition impact Limited Increasing Significant

Key Takeaways

  • Dominant revenues driven by aging populations and expanding indications.
  • Patent expiry in 2028 will likely lead to market decline unless new formulations or indications are developed.
  • Growth opportunities exist in emerging markets and formulation innovation.
  • Increased competition and regulatory risks, especially around generics, could pressure margins.

FAQs

1. When does the patent for Azilect expire?
The original composition patent expires in 2028, opening the market to generics.

2. What is the primary therapeutic use of Rasagiline Mesylate?
It is used to treat Parkinson’s disease as monotherapy or adjunct therapy.

3. How does the entry of generics affect market revenues?
It typically causes a significant price reduction, decreasing revenue per unit by up to 60%.

4. Are there ongoing research efforts for new formulations?
Yes, extended-release versions and combination therapies are under investigation.

5. Which markets are most promising for growth beyond North America and Europe?
Emerging markets like India and China are expanding treatment access and sales potential.

References

[1] Dorsey, E. R., et al. (2018). Global, regional, and national burden of Parkinson’s disease, 1990–2016: A systematic analysis for the Global Burden of Disease Study 2016. Lancet Neurology, 17(11), 939-953.
[2] EvaluatePharma. (2023). Azilect sales data. Retrieved from https://www.evaluate.com.

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