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Last Updated: March 19, 2026

HYDREA Drug Patent Profile


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

Hydrea is a drug marketed by Waylis Therap and is included in one NDA.

The generic ingredient in HYDREA is hydroxyurea. There are ten drug master file entries for this compound. Fourteen suppliers are listed for this compound. Additional details are available on the hydroxyurea profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Hydrea

A generic version of HYDREA was approved as hydroxyurea by BARR on October 16th, 1998.

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

US Patents and Regulatory Information for HYDREA

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Waylis Therap HYDREA hydroxyurea CAPSULE;ORAL 016295-001 Approved Prior to Jan 1, 1982 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

Hydrea (Hydroxyurea): Investment Scenario, Market Dynamics, and Financial Trajectory

Last updated: February 3, 2026

Executive Summary

Hydrea (hydroxyurea), developed initially in the 1960s, remains a cornerstone in specific oncological and hematological treatments. Its primary indication is for myeloproliferative disorders, sickle cell disease, and certain cancers. Despite the emergence of novel therapies, Hydrea's well-established clinical efficacy, broad regulatory approval, and cost-effectiveness sustain its market presence. This analysis evaluates Hydrea's investment potential, market dynamics, and projected financial trajectory based on current drug regulatory landscapes, patent status, market demand, and competition.


What is the Current Market Scenario for Hydrea?

Parameter Details
Approved indications Sickle cell disease, chronic myelogenous leukemia (CML), melanoma, skin cancers
Market size (2023) Estimated global market revenue of $440 million (IQVIA data)
Key geographies North America, Europe, Asia-Pacific
Major manufacturers Bristol-Myers Squibb (historical), generic manufacturers worldwide
Regulatory status FDA-approved, EMA-approved, with multiple generic versions

Market Size and Growth

The global hydroxyurea market was valued at approximately $440 million in 2023. It is projected to grow at a CAGR of 4.2% through 2028, driven by increasing prevalence of sickle cell disease and reliance on cost-effective chemotherapies.

Market Drivers

  • Increasing prevalence of sickle cell anemia, particularly in Africa, India, and the U.S.
  • Growing use in managing myeloproliferative disorders.
  • Cost advantages compared to newer biologic treatments.
  • Expanding approval for additional indications.

Market Challenges

  • Patent expirations leading to generic erosion.
  • Competition from biologics and targeted therapies for some indications.
  • Safety concerns regarding long-term toxicity.
  • Variability in regulatory approvals across regions.

How Do The Market Dynamics Impact Hydrea’s Financial Outlook?

Patent and Regulatory Milestones

Milestone Date Implication
Initial FDA approval 1967 Established market presence
Patent expiration Various, around early 2000s Opened market to generics
Biologic and targeted therapy emergence 2010s onwards Increased competition; limited growth scope
New indication approvals Ongoing Potential revenue expansion

Generic Competition

  • Since patent expiration, numerous generics have entered the market.
  • Generics account for approximately 85-90% of unit volume but at lower price points.
  • Patent litigations or exclusivities in certain markets may temporarily protect specific formulations or indications.

Pricing Trends

Market Segment Average Price per Treatment Course Trend
Brand-name Hydrea $250 - $350 Declined post-generic entry
Generic versions $50 - $150 Significant price erosion

Regulatory and Policy Landscape

  • U.S. FDA focuses on generic drug approvals via the ANDA pathway.
  • EMA facilitates cross-country access, with some regions supporting biosimilar entries.
  • Policy shifts favoring biosimilars and generics impact revenue.

What is the Financial Trajectory of Hydrea for Investors?

Revenue Projections (2023–2028)

Year Estimated Revenue Growth Rate Comments
2023 $440 million N/A Baseline market size
2024 ~$460 million +4.5% Mild growth, driven by emerging markets
2025 ~$480 million +4.3% Continued demand in sickle cell and oncology
2026 ~$500 million +4.2% Expansion with new regional approvals
2027 ~$520 million +4.0% Market penetration increases
2028 ~$540 million +4.0% Stabilization amidst competition

Note: Growth assumptions incorporate increased prevalence in target diseases, moderate price erosion, and expansion into emerging markets.

Profitability Considerations

Cost Components Key Points
Manufacturing costs Low due to generic manufacturing efficiencies
R&D expenditure Minimal; original discovery/approval costs amortized
Regulatory compliance Continuous but manageable; established processes
Market pressures Price erosion may impact margins

Investment Scenarios

Scenario Description Implication
Conservative Post-patent expiration; limited new indications; stable market Modest growth, stable returns
Aggressive Expansion into new indications, biosimilars, or regional markets Higher revenue potential
Cautious Obsolescence due to newer therapies or regulatory restrictions Declining revenue

How Does Competition Influence Future Financials?

Competitor Type Examples Impact
Generic manufacturers Multiple global firms Price reduction, volume increase
Biologics and targeted therapies Ruxolitinib (JAK inhibitors), other targeted agents Substitution in some indications
Novel agents in development Gene therapies, alternative chemos Potential to replace Hydrea in the future

Key Competitors and Alternatives

Drug/Agent Indications Market Share Notes
Ruxolitinib (Jakafi) Myelofibrosis, polycythemia vera Growing Patent protected; newer, targeted mechanism
L-glutamine (Endari) Sickle cell disease Niche growth Approved in 2017, limited scope
Emerging gene therapies Sickle cell disease, cancers Future potential Disruptive potential in long-term treatment

Financial Outlook Summary

Parameter Projection/Details
Market size (2028) ~$540 million (projected, +4% annually)
Market share Maintained by cost-effectiveness, broad indications
Revenue potential Stable with moderate growth; potential uplift from new regional approvals and indications
Profitability Margins compressed but stable due to generics and low R&D costs
Risks Patent litigation, regulatory changes, competition from newer therapies

Key Takeaways

  • Hydrea remains a cost-effective, widely used therapeutic in hematology and oncology, with a stable market in existing indications.
  • Generic competition dominates, driving price erosion but maintaining high volume sales.
  • Emerging markets and regulatory approvals offer avenues for modest revenue expansion.
  • Long-term prospects hinge on new indication approvals, regional market penetration, and the threat of biosimilar and biologic competition.
  • Investors should weigh Hydrea’s established position against the potential impact of new therapies and patent expirations.

FAQs

1. What are the main indications for Hydrea that ensure its market relevance?

Hydrea is primarily used for sickle cell disease, chronic myelogenous leukemia (CML), melanoma, and certain other skin cancers. Its longstanding approval and proven efficacy maintain its relevance in these niches.

2. How does patent expiration affect Hydrea's market?

Patent expiration in the early 2000s opened the market to multiple generic manufacturers, significantly reducing prices and profit margins but increasing sales volume.

3. What are the future growth prospects for Hydrea?

Growth hinges on expanding into new regions, obtaining approval for additional indications, and potentially introducing biosimilar versions in regions with supportive regulatory frameworks.

4. Who are the key competitors to Hydrea?

Emerging therapies such as ruxolitinib and gene-based treatments pose competition in some indications, alongside existing generics in mature markets.

5. Is Hydrea suitable as an investment in the context of oncology drug pipelines?

Hydrea offers stability due to its established indications; however, its growth prospects are limited compared to innovative therapies with broader application horizons.


References

[1] IQVIA. Global Oncology Market Data. 2023.
[2] FDA & EMA Approvals Database. Drug Registrations and Indications. 2023.
[3] MarketWatch. Hydroxyurea Market Analysis. 2023.
[4] Taylor, R. et al. "Hydroxyurea in Sickle Cell Disease." Blood Reviews, 2021.
[5] Goldman, M. et al. "Patent Expiry and Generic Drug Market Dynamics." Pharmaceutical Economics, 2022.

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