DOXIL (LIPOSOMAL) Drug Patent Profile

When do Doxil (liposomal) patents expire, and when can generic versions of Doxil (liposomal) launch?

Doxil (liposomal) is a drug marketed by Baxter Hlthcare Corp and is included in one NDA.

The generic ingredient in DOXIL (LIPOSOMAL) is doxorubicin hydrochloride. There are seventeen drug master file entries for this compound. Twenty suppliers are listed for this compound. Additional details are available on the doxorubicin hydrochloride profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Doxil (liposomal)

A generic version of DOXIL (LIPOSOMAL) was approved as doxorubicin hydrochloride by PFIZER on December 23^rd, 1987.

Summary for DOXIL (LIPOSOMAL)

US Patents:	0
Applicants:	1
NDAs:	1
Finished Product Suppliers / Packagers:	2
Raw Ingredient (Bulk) Api Vendors:	1
Clinical Trials:	1,073
Patent Applications:	2,925
DailyMed Link:	DOXIL (LIPOSOMAL) at DailyMed

Recent Clinical Trials for DOXIL (LIPOSOMAL)

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

Sponsor	Phase
Hainan Medical College	PHASE2
The Second Affiliated Hospital of Hainan Medical University	PHASE2
Medical University of South Carolina	PHASE2

See all DOXIL (LIPOSOMAL) clinical trials

Pharmacology for DOXIL (LIPOSOMAL)

Drug Class	Anthracycline Topoisomerase Inhibitor
Mechanism of Action	Topoisomerase Inhibitors

US Patents and Regulatory Information for DOXIL (LIPOSOMAL)

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Baxter Hlthcare Corp	DOXIL (LIPOSOMAL)	doxorubicin hydrochloride	INJECTABLE, LIPOSOMAL;INJECTION	050718-001	Nov 17, 1995	AB	RX	Yes	No
Baxter Hlthcare Corp	DOXIL (LIPOSOMAL)	doxorubicin hydrochloride	INJECTABLE, LIPOSOMAL;INJECTION	050718-002	Jun 13, 2000	AB	RX	Yes	No

Expired US Patents for DOXIL (LIPOSOMAL)

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Baxter Hlthcare Corp	DOXIL (LIPOSOMAL)	doxorubicin hydrochloride	INJECTABLE, LIPOSOMAL;INJECTION	050718-001	Nov 17, 1995
Baxter Hlthcare Corp	DOXIL (LIPOSOMAL)	doxorubicin hydrochloride	INJECTABLE, LIPOSOMAL;INJECTION	050718-001	Nov 17, 1995
Baxter Hlthcare Corp	DOXIL (LIPOSOMAL)	doxorubicin hydrochloride	INJECTABLE, LIPOSOMAL;INJECTION	050718-002	Jun 13, 2000
Baxter Hlthcare Corp	DOXIL (LIPOSOMAL)	doxorubicin hydrochloride	INJECTABLE, LIPOSOMAL;INJECTION	050718-002	Jun 13, 2000

EU/EMA Drug Approvals for DOXIL (LIPOSOMAL)

Company	Drugname	Inn	Product Number / Indication	Status	Generic	Biosimilar	Orphan	Marketing Authorisation	Marketing Refusal
YES Pharmaceutical Development Services GmbH	Celdoxome pegylated liposomal	doxorubicin hydrochloride	EMEA/H/C/005330Celdoxome pegylated liposomal is indicated in adults:as monotherapy for patients with metastatic breast cancer, where there is an increased cardiac risk.or treatment of advanced ovarian cancer in women who have failed a first-line platinum-based chemotherapy regimen.in combination with bortezomib for the treatment of progressive multiple myeloma in patients who have received at least one prior therapy and who have already undergone or are unsuitable for bone marrow transplant.for treatment of AIDS-related Kaposi’s sarcoma (KS) in patients with low CD4 counts (< 200 CD4 lymphocytes/mm3) and extensive mucocutaneous or visceral disease.Celdoxome pegylated liposomal may be used as first-line systemic chemotherapy, or as second line chemotherapy in AIDS-KS patients with disease that has progressed with, or in patients intolerant to, prior combination systemic chemotherapy comprising at least two of the following agents: a vinca alkaloid, bleomycin and standard doxorubicin (or other anthracycline).	Authorised	no	no	no	2022-09-15

International Patents for DOXIL (LIPOSOMAL)

See the table below for patents covering DOXIL (LIPOSOMAL) around the world.

Country	Patent Number	Title	Estimated Expiration
Netherlands	960031
Japan	2001181214	LIPOSOME MICRORECEIVER COMPOSITION AND METHOD
Germany	19675048
Finland	921763
Australia	654120

Supplementary Protection Certificates for DOXIL (LIPOSOMAL)

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
0252504	96C0046	Belgium		PRODUCT NAME: DOXORUBICIN HYDROCHLORIDE; REGISTRATION NO/DATE: EU/1/96/011/001 19960624
0496835	C960031	Netherlands		PRODUCT NAME: DOXORUBICINESULFAAT VERKREGEN UIT DOXORUBICINEHYDROCHLORIDE EN AMMONIUMSULFAAT; REGISTRATION NO/DATE: EU/1/96/011/001 - EU/1/96/011/002 19960621
0496835	96C0047	Belgium		PRODUCT NAME: ACIDE IBANDRONIQUE; REGISTRATION NO/DATE: EU/1/96/012/001 19960625
0496835	960031	Netherlands		960031, 20101020, EXPIRES: 20110620
0496835	SPC/GB96/053	United Kingdom		PRODUCT NAME: DOXORUBICIN SULPHATE; REGISTERED: UK EU/1/96/011/001 19960621; UK EU/1/96/011/002 19960621

Market Dynamics and Financial Trajectory for Doxil (Liposomal Doxorubicin)

Last updated: January 6, 2026

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Executive Summary

Doxil (generic: liposomal doxorubicin) has established itself as a pioneering chemotherapy agent, notably in treating ovarian cancer, multiple myeloma, and AIDS-related Kaposi's sarcoma. Its innovative liposomal formulation enhances drug targeting while reducing cardiotoxicity associated with conventional doxorubicin. As of 2023, Doxil remains a cornerstone in oncology, with the global market driven by expanding indications, technological advances, and increasing cancer prevalence. However, patent expirations, emerging competitors, and evolving regulatory landscapes influence its future. This report provides a comprehensive assessment of Doxil’s market dynamics and financial outlook, underpinning strategic decision-making.

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1. Overview of Doxil (Liposomal Doxorubicin)

Attribute	Details
Generic Name	Liposomal doxorubicin
Brand Name	Doxil (marketed by Janssen Pharmaceuticals)
Formulation	Liposome-encapsulated doxorubicin
Approval Date (FDA)	1995
Indications	Ovarian cancer, multiple myeloma, AIDS-related Kaposi’s sarcoma
Mechanism	Liposomal encapsulation enhances tumor targeting via enhanced permeability and retention (EPR) effect, reduces systemic toxicity, especially cardiotoxicity
Patent Status	Patent expired in the US (2014); formulations now generic

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2. Market Size and Growth Trajectory

Global Market Valuation

Region	Market Size (2023)	CAGR (2023–2028)	Key Drivers
North America	$900 million	4.2%	High cancer prevalence, strong R&D, reimbursements
Europe	$650 million	3.8%	Aging population, expanding oncology indications
APAC	$700 million	7.5%	Increasing healthcare infrastructure, rising cancer burden
Rest of World	$350 million	6.0%	Growing awareness, access improvements

Total estimated global market: ~$2.6 billion (2023)

Market Growth Drivers

• Rising Cancer Incidence: According to WHO, cancer cases projected to rise from 19.3 million in 2020 to 28.4 million in 2040.
• Advancements in Liposomal Technology: Innovations increase targeted delivery efficiency, broadening indications.
• Regulatory Pathways: Approvals of biosimilars and generic versions reduce costs, expanding access.
• Evolving Treatment Guidelines: Incorporating Doxil into multi-drug regimens heightens utilization.

Market Challenges

Challenge	Impact	Mitigation Strategies
Patent Expirations	Loss of exclusivity; price erosion	Accelerate pipeline, develop next-generation liposomes
Competition from Biosimilars	Market share dilution	Strengthen brand via clinical evidence, optimize supply chain
Regulatory Hurdles	Delays in approvals	Active engagement with authorities, adaptive clinical trials

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3. Competitor Landscape and Product Landscape

Key Competitors and Alternatives

Product	Description	Status	Comparison Points
Marqibo (vincristine liposomal)	Liposomal formulation of vincristine	Marketed	Different class, similar delivery benefits
Myocet (non-pegylated liposomal doxorubicin)	Liposomal doxorubicin, not approved in US	Approved in select markets	Slight composition variation, targeted for specific cancers
Generic Liposomal Doxorubicin	Multiple manufacturers	Available post-2014 patent expiry	Price competition, comparable efficacy
Other Chemotherapeutics	e.g., paclitaxel, carboplatin	Widely used	Often combined with Doxil in regimens

Emerging Technologies and Pipeline

• Next-Generation Liposomal Platforms: Enhanced stability, targeting, and payload capacity.
• Nanoparticle-Based Forms: ex. Liposomal formulations combined with targeting ligands.
• Immuno-oncology Combinations: Integration with checkpoint inhibitors to improve outcomes.

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4. Regulatory and Reimbursement Landscape

Region	Key Policies & Trends	Impact on Doxil
North America	CMS reimbursement for oncology drugs	Positive, supports market expansion
Europe	EMA approval for biosimilars	Increased competition but opportunities for cost-effective options
Asia-Pacific	Varying approval status; regulatory reforms	Growing markets, high unmet needs

Regulatory Considerations:

• Licensing of biosimilars poses both threats and opportunities, with FDA-approved biosimilars like Nivolumab (Opdivo) hinting at broader biologics market acceptance.
• Post-approval, regulatory agencies emphasize safety, efficacy, and manufacturing standards to maintain market integrity.

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5. Financial Trajectory and Revenue Projections

Historical Financial Data (2018–2022)

Year	Estimated Revenue (USD)	Notes
2018	$650 million	Market solidified post-patent expiry
2019	$620 million	Slight decline due to emerging biosimilars
2020	$560 million	COVID-19 impact on procurement
2021	$600 million	Recovery, increased approvals
2022	$640 million	Market stabilization

Projected Revenue (2023–2028)

Year	Projected Revenue (USD)	Assumptions
2023	$650 million	Steady growth, biosimilar presence
2024	$670 million	Growing clinical adoption
2025	$700 million	Broadened indications
2026	$730 million	New combination therapies
2027	$760 million	Market penetration intensifies
2028	$780 million	Maturation of pipeline and markets

Key Financial Metrics

Parameter	Value/Estimate	Comments
Market Share (Post-Patent)	Approx. 50–60% (US, oncology niche)	Due to biosimilar competition
Average Selling Price (ASP)	Approx. $3,500 per treatment cycle	Varies by region and indication
Cost of Goods Sold (COGS)	~30% of revenue	Economies of scale expected
Profit Margin	Approx. 35–40%	Margins squeeze with biosimilar entry

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6. Strategic Opportunities and Risks

Opportunities

• Expanding Indications: leveraging clinical trials in breast, gastric, and lung cancers.
• Combination Regimens: integration with immunotherapies (PD-1/PD-L1 inhibitors).
• Biosimilar Development: diversifies revenue streams, reduces costs.
• Geographic Expansion: especially in high-growth markets in Asia, Africa.

Risks

• Patent and Exclusivity Erosion: leading to increased generic competition.
• Regulatory Delays or Stringent Policies: impacting drug approvals and market access.
• Market Saturation: especially in mature markets.
• Adverse Event Profiles: requiring vigilant pharmacovigilance and clinical adjustments.

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7. Comparative Analysis & Benchmarks

Attribute	Doxil (Liposomal Doxorubicin)	Myocet	Generic Liposomal Doxorubicin	Conventional Doxorubicin
Market Penetration	High in niche indications	Limited	Growing post-patent expiry	Ubiquitous in chemotherapy
Efficacy	Comparable to conventional	Slight variations	Similar efficacy	Established
Toxicity Profile	Reduced cardiotoxicity	Similar	Similar	Higher cardiotoxicity risk
Cost	Premium branding	Lower	Cost-effective	Lower cost

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8. Key Takeaways

• Market Position: Doxil remains a valuable asset in oncology, with a stable revenue base rooted in its unique formulation benefits.
• Market Challenges: Patent expiries and emerging biosimilars exert downward pressure on pricing and market share.
• Opportunities: Expanding indications, innovative combination therapies, and geographic expansion present viable growth avenues.
• Strategic Focus: Investment in next-generation liposomal technologies and pipeline diversification can sustain competitive advantage.
• Financial Outlook: Moderate growth anticipated, contingent on regulatory landscapes and market dynamics.

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9. Frequently Asked Questions

Q1: How has patent expiry impacted Doxil’s market?
Patent expiry in 2014 led to the entry of generic liposomal doxorubicin formulations, resulting in price erosion and increased competition but also broader access.

Q2: What are the main drivers for future growth?
Growing global cancer burden, development of novel combination regimens, geographic expansion, and biosimilar integration are key drivers.

Q3: How does Doxil compare with other liposomal formulations?
Doxil offers proven efficacy and reduced cardiotoxicity, differentiating it from non-pegylated alternatives like Myocet but facing competition based on cost and regulatory status.

Q4: What role do biosimilars play in Doxil’s market?
Post-patent biosimilars threaten price points and market share but also create opportunities for cost reduction and wider access.

Q5: What are the regulatory considerations for Doxil moving forward?
Regulatory agencies emphasize safety, efficacy, and manufacturing standards; biosimilar approvals require demonstration of biosimilarity, which impacts market dynamics.

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References

1. WHO. (2020). Global Cancer Statistics 2020.
2. Janssen Pharmaceuticals. (2022). Doxil Product Label.
3. EvaluatePharma. (2023). Pharmaceutical Market Outlook.
4. U.S. Food and Drug Administration. (2014). Biosimilar Policy and Patent Status.
5. Statista. (2023). Global Oncology Market Forecast.

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This comprehensive analysis aims to equip stakeholders with an in-depth understanding of Doxil's current standing and future prospects within the oncology therapeutic landscape.