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Last Updated: March 27, 2026

ANAGRELIDE HYDROCHLORIDE Drug Patent Profile


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Which patents cover Anagrelide Hydrochloride, and when can generic versions of Anagrelide Hydrochloride launch?

Anagrelide Hydrochloride is a drug marketed by Barr Labs, Chartwell Rx, Cipla, Impax Labs, Novitium Pharma, Rising, Roxane, Torrent, and Watson Labs. and is included in nine NDAs.

The generic ingredient in ANAGRELIDE HYDROCHLORIDE is anagrelide hydrochloride. There are eight drug master file entries for this compound. Four suppliers are listed for this compound. Additional details are available on the anagrelide hydrochloride profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Anagrelide Hydrochloride

A generic version of ANAGRELIDE HYDROCHLORIDE was approved as anagrelide hydrochloride by CIPLA on April 18th, 2005.

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  • What is the 5 year forecast for ANAGRELIDE HYDROCHLORIDE?
  • What are the global sales for ANAGRELIDE HYDROCHLORIDE?
  • What is Average Wholesale Price for ANAGRELIDE HYDROCHLORIDE?
Drug patent expirations by year for ANAGRELIDE HYDROCHLORIDE
Recent Clinical Trials for ANAGRELIDE HYDROCHLORIDE

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
Merck Sharp & Dohme LLCPhase 3
CelgenePhase 3
EPS InternationalPhase 3

See all ANAGRELIDE HYDROCHLORIDE clinical trials

Pharmacology for ANAGRELIDE HYDROCHLORIDE

US Patents and Regulatory Information for ANAGRELIDE HYDROCHLORIDE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Barr Labs ANAGRELIDE HYDROCHLORIDE anagrelide hydrochloride CAPSULE;ORAL 076530-001 Apr 18, 2005 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Watson Labs ANAGRELIDE HYDROCHLORIDE anagrelide hydrochloride CAPSULE;ORAL 076417-002 Apr 18, 2005 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Impax Labs ANAGRELIDE HYDROCHLORIDE anagrelide hydrochloride CAPSULE;ORAL 076910-001 Apr 18, 2005 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Chartwell Rx ANAGRELIDE HYDROCHLORIDE anagrelide hydrochloride CAPSULE;ORAL 076683-002 Apr 18, 2005 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

Market Dynamics and Financial Trajectory for Anagrelide Hydrochloride

Last updated: February 19, 2026

What is the current market position of anagrelide hydrochloride?

Anagrelide hydrochloride is a prescription medication approved for reducing elevated platelet counts, primarily in myeloproliferative disorders such as essential thrombocythemia. It remains a niche drug with limited usage globally, driven by its specific indications and safety profile.

Market size: The global market for treatments targeting myeloproliferative neoplasms (MPNs), including anagrelide, was valued at approximately USD 300 million in 2022. Anagrelide's direct contribution accounts for an estimated 15-20% of this figure, roughly USD 45-60 million.

Key regions:

  • United States (largest): USD 20-25 million
  • Europe: USD 15-20 million
  • Asia-Pacific: USD 5-10 million

These figures are based on sales data compiled by IQVIA and internal estimates from market intelligence reports (see [1], [2]).

Market segmentation: The primary use in essential thrombocythemia accounts for over 80% of prescriptions. Off-label use for other thrombocythemia-related conditions is minimal.

What factors drive or constrain market growth?

Drivers:

  • Increasing diagnosis of MPNs: The rising incidence of myeloproliferative neoplasms, estimated at 1-2 per 100,000 annually, drives demand. Improved diagnostic techniques lead to earlier detection.
  • Regulatory approvals: In certain countries, regulatory bodies have approved anagrelide for second-line use after hydroxyurea failure, broadening its use.
  • Limited competition: Few drugs directly target platelet reduction with a similar safety profile. Interferon-alpha and hydroxyurea are alternatives but have limitations, maintaining anagrelide’s clinical niche.

Constraints:

  • Side effect profile: Risks such as cardiovascular adverse events have restricted usage, especially in older patients.
  • Generic availability: Patent expirations have resulted in generics, reducing treatment costs and potentially decreasing revenue margins.
  • Therapeutic competition: Increasing use of JAK2 inhibitors (e.g., ruxolitinib) in specific myeloproliferative disorders could displace traditional platelet-reducing agents.

How does the patent landscape impact financial prospects?

Anagrelide hydrochloride's patent protection expired or is near expiration in key markets, generally around 2010-2015 for original formulations. Several generic versions are now available, leading to significant price erosion. This situation limits revenue growth potential for branded versions unless a new formulation or indication is developed.

Market exclusivity: No current patent protections shield anagrelide for new indications or formulations, affecting the ability to command premium prices.

What are the financial trajectories and forecasting models?

Short-term outlook (1-3 years):

  • Revenue: Estimated to decline at a CAGR of -3% to -5% due to generics.
  • Pricing: Prices for branded anagrelide have fallen 50-60% in markets where generics are introduced.
  • Market penetration: Limited room for growth outside existing indications.

Medium to long-term outlook (3-10 years):

  • Potential innovation: Development of new formulations (e.g., controlled-release) could allow for premium pricing.
  • Expansion of indications: Clinical trials exploring efficacy in other myeloproliferative states may provide revenue diversification.
  • Market share shifts: Competition from JAK2 inhibitors and other novel therapies could further erode demand.

Revenue forecasts:

Year Estimated Revenue (USD Million) Notes
2023 45-50 Post-generic price decline
2025 35-40 Continued generic erosion
2030 20-25 Potential pipeline impact

What is the competitive landscape?

  • Generics: Multiple manufacturers produce anagrelide hydrochloride, significantly reducing prices.
  • Alternatives: Hydroxyurea remains first-line therapy, with JAK2 inhibitors gaining traction.
  • Pipeline candidates: No significant late-stage pipeline drugs specifically for thrombocythemia are currently in development targeting anagrelide's niche.

What are the regulatory considerations?

The drug is approved in several jurisdictions, including the US (FDA), EU (EMA), and Japan (PMDA). Variability exists regarding approved indications and labeling. Future approvals depend on new clinical evidence or expanded indications.

Key trends shaping future financial outcomes:

  • Adoption of biosimilars or generic alternatives.
  • Innovation in delivery or combination therapies.
  • Evolving clinical guidelines favoring alternative agents.

Key Takeaways

  • Anagrelide hydrochloride is a niche drug with approximately USD 45-60 million in global sales, primarily in essential thrombocythemia.
  • Patent expirations and generics have caused significant price reductions, constraining revenue growth.
  • Market growth is driven by increased diagnosis and limited competition but limited further expansion due to safety concerns and competition from JAK2 inhibitors.
  • Revenue is forecasted to decline at a CAGR of -3% to -5% over the next three years, with a continued downward trend approaching USD 20-25 million by 2030.
  • Opportunities may arise from formulation innovations and new indications, but current mid-term prospects remain subdued.

FAQs

  1. What is the primary indication for anagrelide hydrochloride?
    It is primarily prescribed to reduce excess platelets in essential thrombocythemia.

  2. How has patent expiry affected its market?
    Patent expiry led to multiple generic versions, significantly reducing the drug's price and revenue.

  3. Are there any promising new therapies for thrombocythemia?
    JAK2 inhibitors are increasingly used; however, no new drugs directly targeting platelet reduction are expected soon.

  4. What are the main safety concerns with anagrelide?
    Risks include cardiovascular side effects, limiting its use in older populations.

  5. Is there potential for growth through new indications?
    Possible, if clinical trials demonstrate efficacy in other myeloproliferative disorders, but no significant pipeline developments are currently announced.


References

[1] IQVIA. (2022). Global Trends in Myeloproliferative Neoplasms Treatment.
[2] Market Line. (2022). Pharmaceutical Markets: Insights and Market Size.

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