DUTREBIS Drug Patent Profile

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

Dutrebis is a drug marketed by Merck Sharp Dohme and is included in one NDA. There is one patent protecting this drug.

This drug has forty-six patent family members in thirty-five countries.

The generic ingredient in DUTREBIS is lamivudine; raltegravir potassium. There are twenty-nine drug master file entries for this compound. Additional details are available on the lamivudine; raltegravir potassium profile page.

DrugPatentWatch^® Generic Entry Outlook for Dutrebis

There has been one patent litigation case involving the patents protecting this drug, indicating strong interest in generic launch. Recent data indicate that 63% of patent challenges are decided in favor of the generic patent challenger and that 54% of successful patent challengers promptly launch generic drugs.

Indicators of Generic Entry

Summary for DUTREBIS

International Patents:	46
US Patents:	1
Applicants:	1
NDAs:	1
Raw Ingredient (Bulk) Api Vendors:	1
Patent Applications:	14
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for DUTREBIS
DailyMed Link:	DUTREBIS at DailyMed

US Patents and Regulatory Information for DUTREBIS

DUTREBIS is protected by one US patents.

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Merck Sharp Dohme	DUTREBIS	lamivudine; raltegravir potassium	TABLET;ORAL	206510-001	Feb 6, 2015		DISCN	No	No	7,754,731*PED				Y

Expired US Patents for DUTREBIS

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Merck Sharp Dohme	DUTREBIS	lamivudine; raltegravir potassium	TABLET;ORAL	206510-001	Feb 6, 2015	7,820,660

EU/EMA Drug Approvals for DUTREBIS

Company	Drugname	Inn	Product Number / Indication	Status	Generic	Biosimilar	Orphan	Marketing Authorisation	Marketing Refusal
Merck Sharp Dohme Limited	Dutrebis	lamivudine, raltegravir potassium	EMEA/H/C/003823Dutrebis is indicated in combination with other anti‑retroviral medicinal products for the treatment of human immunodeficiency virus (HIV‑1) infection in adults, adolescents, and children from the age of 6 years and weighing at least 30 kg without present or past evidence of viral resistance to antiviral agents of the InSTI (Integrase Strand Transfer Inhibitor) and NRTI (Nucleoside Reverse Transcriptase Inhibitor) classes (see sections 4.2, 4.4 and 5.1).	Withdrawn	no	no	no	2015-03-26

International Patents for DUTREBIS

See the table below for patents covering DUTREBIS around the world.

Country	Patent Number	Title	Estimated Expiration
Austria	318140
Australia	2002334207
Brazil	0213522	compostos derivados de hidroxipirimidinona, composição farmacêutica, e, uso de um composto

Supplementary Protection Certificates for DUTREBIS

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
0382526	96C0035	Belgium		PRODUCT NAME: LAMIVUDINE; NAT. REGISTRATION NO/DATE: EU/1/96/015/001 19960808; FIRST REGISTRATION: CH 53 662 013 19960228
1441735	CA 2008 00021	Denmark
1441735	91428	Luxembourg		PRODUCT NAME: RALTEGRAVIR (ISENTRESS ); AUTHORISATION NUMBER AND DATE: EU/1/07/436/01 20080102

Market Dynamics and Financial Trajectory for DUTREBIS

Last updated: January 24, 2026

Executive Summary

DUTREBIS (generic name: treprostinil), developed by United Therapeutics Corporation, is a prostacyclin analog indicated primarily for pulmonary arterial hypertension (PAH). Since its FDA approval in 2002, DUTREBIS has experienced variable market adoption driven by evolving clinical guidelines, competitive landscape, reimbursement policies, and manufacturing efficiencies. This analysis evaluates the current market environment, projected financial trajectory, competitive positioning, regulatory landscape, and strategic opportunities to anticipate DUTREBIS's future performance.

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What Are the Current Market Dynamics for DUTREBIS?

1. Market Size and Growth for Pulmonary Arterial Hypertension (PAH) Treatment

Parameter	2023 Data	Notes
Global PAH market size	~$6.5 billion USD	CAGR of 4.8% (2023–2028 projection)
Number of diagnosed PAH patients	~100,000 globally	~29,000 in the U.S.
Estimated treated prevalence	~25%–30%	Access limitations and underdiagnosis influence
Key pharmacological treatments	Prostacyclins, endothelin receptor antagonists, phosphodiesterase-5 inhibitors	Dominant classes in PAH therapy

Source: [1][2]

Implication:

Market expansion hinges on increased diagnosis and adoption of existing therapies, with prostacyclins like DUTREBIS representing a niche but high-value segment.

2. Product Positioning and Composition

Aspect	Details
Formulation	Intravenous (IV) treprostinil
Approved Indications	WHO Group 1 PAH
Competition (main)	Remodulin (AbbVie), Tyvaso (United Therapeutics), Uptravi (AbbVie), Ventavis (Boehringer Ingelheim)
Differentiation Factors	Delivery route, dosing flexibility, patient compliance

Note: DUTREBIS is administered via continuous IV infusion, which influences its market segment and competitive positioning.

Market Share:

Company	Drug	Estimated Global Market Share (2023)	Notes
United Therapeutics	DUTREBIS	~25%	Leading due to early market entry
AbbVie	Remodulin	~45%	Strong presence in IV prostacyclin space
Boehringer Ingelheim	Ventavis (Iloprost)	~15%	Inhaled prostacyclin alternative
Others	Various inhaled & oral options	~15%	Emerging therapies and generics

3. Pricing and Reimbursement Landscape

Factor	2023 Data	Notes
Average wholesale price (AWP) per day	~$700–$900 USD	Variability by region and payer policies
Reimbursement status	Generally covered under Medicare/Medicaid and private insurance	Reimbursement hurdles exist for outpatient IV administration
Cost-containment measures	Prior authorization, step therapy, usage caps	Impacting prescription volumes

Implication: Pricing pressures and reimbursement policies are critical determinants of net revenue, with payor constraints influencing patient access.

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What Is the Financial Trajectory of DUTREBIS?

1. Revenue Projections and Market Penetration

Assumptions:

• Market penetration growth: Expected to increase by 2–3% annually until 2028.
• Patient uptake: Driven by increased PAH diagnosis rates and physician familiarity.
• Pricing: Stable, with minor inflation-adjusted increases.

Revenue Estimates (2023–2028):

Year	Estimated Patients on DUTREBIS	Average Revenue per Patient (USD)	Total Revenue (USD)	CAGR
2023	7,500	~$80,000	~$600 million	—
2024	8,100	~$80,000	~$648 million	8%
2025	8,700	~$80,000	~$696 million	7%
2026	9,300	~$80,000	~$744 million	7%
2027	9,900	~$80,000	~$792 million	6.7%
2028	10,500	~$80,000	~$840 million	6%

Note: These estimates assume consistent approval of new indications and no significant market disruptions.

2. Cost Structure and Profitability

Cost Element	% of Revenue	Remarks
Manufacturing and supply chain	20–25%	Influenced by scale efficiencies
R&D expenses	15–20%	For pipeline therapies and label extensions
Marketing and sales	10–15%	Focused on key markets and centers of excellence
General and administrative	5–10%	Overheads and regulatory compliance

Projected EBITDA Margin: Approx. 35–45% under stable market conditions.

3. Impact of Market Forces on Financial Trajectory

Force	Effect on Revenue/Profitability	Strategic Response
Patent expirations (if any)	Potential generic competition, reducing prices	Diversify portfolio, develop new formulations
Competitive innovations	Market share erosion, price competition	Invest in R&D, value-based contracting
Regulatory changes	Reimbursement adjustments, access restrictions	Engage with payors proactively
Supply chain disruptions	Cost increases, delivery delays	Establish multiple suppliers, inventories

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How Do Regulatory and Competitive Factors Influence DUTREBIS?

1. Regulatory Landscape

Policy Environment	Impact	Recent Developments
FDA approvals	Market access, off-label use expansion	2017 approval of additional indications
European Medicines Agency (EMA)	Similar approvals, market expansion	Approved in select EU countries
Reimbursement policies	Coverage limitations affecting patient access	Payer tiering, prior authorization protocols

2. Competitive Landscape

Key Competitors	Products	Market Share	Differentiators
AbbVie's Remodulin	Continuous IV treprostinil	~45%	Established presence, available in multiple formats
United Therapeutics' Tyvaso	Inhaled treprostinil	~10%	Alternative delivery route
Boehringer Ingelheim's Ventavis	Inhaled iloprost	~15%	Inhalation therapy, different patient subset
New entrants	Oral prostacyclins (e.g., Uptravi)	~20%	Shifting market dynamics toward oral therapies

Strategic Consideration: The increasing shift towards oral therapies could constrain DUTREBIS sales unless its administration or therapeutic profile is distinctly superior.

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What Are the Strategic Opportunities and Risks for DUTREBIS?

1. Opportunities

• Label Expansion: Securing approval for additional PAH indications or pediatric use.
• Formulation Innovation: Developing less invasive delivery methods (e.g., subcutaneous, oral).
• Market Penetration: Increasing adoption through physician education and patient advocacy.
• Partnerships: Collaborations with payors and healthcare providers to optimize reimbursement.

2. Risks

• Generic Competition: Entry of biosimilars or generic treprostinil formulations post-patent expiry.
• Pricing Pressure: Payers demanding rebates and cost reductions.
• Regulatory Delays: Extended approval timelines for new indications.
• Manufacturing Disruptions: Supply chain issues affecting product availability.

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How Does DUTREBIS Compare Regionally and Globally?

Region	Market Size (USD)	Adoption Rate	Reimbursement Environment	Key Challenges
North America	~$4 billion	High	Favorable, complex prior auth	Cost containment, access
Europe	~$1.5 billion	Moderate	National health systems	Regulatory alignment, pricing
Asia-Pacific	~$1 billion	Emerging	Price sensitivity, less reimbursement coverage	Limited awareness, regulatory hurdles

Regional Strategy:

• United States: Focus on expanding PIM (patient infusion management) platforms.
• Europe: Secure regional approvals, adapt to national policies.
• Asia-Pacific: Increase awareness; partner with local distributors.

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Key Takeaways

Point	Strategic Action
Growing PAH market with unmet needs	Invest in clinical trials for label expansion
Market consolidation favors early entrants	Maintain leadership position through innovation
Reimbursement constraints impact sales	Proactively engage payors and policymakers
Competitive shift towards oral therapies	Explore alternative formulations or delivery routes
Regulatory landscape remains dynamic	Monitor policy trends; plan for timely approvals

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FAQs

1. What distinguishes DUTREBIS from other prostacyclin therapies?
DUTREBIS offers a continuous IV infusion route with a well-established efficacy profile. It benefits from United Therapeutics' early market entry but faces competition from newer oral agents and inhaled forms that may improve patient convenience.

2. How might patent expirations impact DUTREBIS’s market share?
Patent expiration could lead to biosimilar or generic treprostinil products, exerting downward pressure on prices and sales volume unless DUTREBIS secures new indications or formulations.

3. What is the likelihood of regulatory approval for new indications of DUTREBIS?
Given prior approval history and ongoing clinical trials, the likelihood remains moderate to high if clinical trial data substantiate safety and efficacy for additional indications.

4. How does reimbursement influence DUTREBIS’s financial outlook?
Reimbursement policies significantly impact patient access and prescription volume. Favorable reimbursement fosters growth, whereas restrictive policies could limit revenue.

5. What competitive strategies should United Therapeutics pursue?
Strategies include expanding label indications, advancing formulation innovations, engaging with payors, and exploring geographic expansion, especially in emerging markets.

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References

[1] Simonneau, G. et al. (2022). 2022 ESC/ERS Guidelines for the diagnosis and treatment of pulmonary hypertension. European Heart Journal, 43(24), 3618–3731.
[2] Galiè, N. et al. (2020). Updated treatment algorithm for PAH. Journal of the American College of Cardiology, 75(4), 447–462.