DEFINITY RT Drug Patent Profile

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

Definity Rt is a drug marketed by Lantheus Medcl and is included in one NDA. There are eleven patents protecting this drug.

This drug has eighty-one patent family members in seventeen countries.

The generic ingredient in DEFINITY RT is perflutren. One supplier is listed for this compound. Additional details are available on the perflutren profile page.

DrugPatentWatch^® Generic Entry Outlook for Definity Rt

Definity Rt was eligible for patent challenges on July 31, 2005.

Indicators of Generic Entry

Summary for DEFINITY RT

International Patents:	81
US Patents:	11
Applicants:	1
NDAs:	1

US Patents and Regulatory Information for DEFINITY RT

DEFINITY RT is protected by eleven US patents.

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Lantheus Medcl	DEFINITY RT	perflutren	INJECTABLE;INTRAVENOUS	021064-002	Nov 17, 2020		RX	Yes	Yes
Lantheus Medcl	DEFINITY RT	perflutren	INJECTABLE;INTRAVENOUS	021064-002	Nov 17, 2020		RX	Yes	Yes			Y	Y
Lantheus Medcl	DEFINITY RT	perflutren	INJECTABLE;INTRAVENOUS	021064-002	Nov 17, 2020		RX	Yes	Yes
Lantheus Medcl	DEFINITY RT	perflutren	INJECTABLE;INTRAVENOUS	021064-002	Nov 17, 2020		RX	Yes	Yes
Lantheus Medcl	DEFINITY RT	perflutren	INJECTABLE;INTRAVENOUS	021064-002	Nov 17, 2020		RX	Yes	Yes
Lantheus Medcl	DEFINITY RT	perflutren	INJECTABLE;INTRAVENOUS	021064-002	Nov 17, 2020		RX	Yes	Yes

International Patents for DEFINITY RT

See the table below for patents covering DEFINITY RT around the world.

Country	Patent Number	Title	Estimated Expiration
Denmark	0616508
Japan	7316793
Japan	H11508871
European Patent Office	0959908
Israel	252705	תכשירי מיקרוספרת גז עטוף בשומן ושיטות קשורות (Lipid-encapsulated gas microsphere compositions and related methods)
Portugal	711127

Supplementary Protection Certificates for DEFINITY RT

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
0712293	SPC018/2007	Ireland		SPC018/2007: 20071012, EXPIRES: 20190519
0712293	300267	Netherlands		300267, 20140520, EXPIRES: 20190519
0712293	SPC/GB07/031	United Kingdom		PRODUCT NAME: PERFLUTREN-CONTAINING LIPID MICROSPHERES; REGISTERED: UK EU/1/06/361/001 20060920
0712293	91325	Luxembourg		PRODUCT NMAE. LUMINITY; REGISTRATION DATE: 20060920
0712293	C300267	Netherlands		PRODUCT NAME: PERFLUTREN BEVATTENDE LIPIDE-MICROBOLLEN; REGISTRATION NO/DATE: EU/1/06/361/001 20060920
0712293	0790017-8	Sweden		PRODUCT NAME: LIPIDMIKROSFAERER INNEHALLANDE PERFLUTREN; REG. NO/DATE: EU/1/06/361/001 20060920

Investment Scenario, Market Dynamics, and Financial Trajectory for DEFINITY RT

Last updated: February 3, 2026

Executive Summary

DEFINITY RT (perflutren lipid microsphere) by Lantheus Pharmaceuticals is an ultrasound contrast agent approved for cardiac and liver imaging. As a second-generation formulation of the original DEFINITY, DEFINITY RT offers improved stability and imaging performance. This report analyzes the investment outlook, market dynamics, and projected financial trajectory of DEFINITY RT, considering regulatory, competitive, and healthcare industry factors.

1. Product Overview and Regulatory Status

Aspect	Details
Active Ingredient	Perflutren lipid microspheres (similar to DEFINITY)
Indications	Echocardiography, liver imaging
Approval Date	FDA approved in 2021 [1]
Route of Administration	Intravenous injection
Patent and Exclusivity	Patent life until 2030; potential exclusivity extensions

Note: DEFINITY RT marks an improved formulation with enhanced stability, reducing vial breakage and increasing shelf life. The product is positioned as a next-generation contrast agent.

2. Market Dynamics

2.1. Competitive Landscape

Competitors	Key Products	Market Share (est. 2022)	Differentiators
Lantheus	DEFINITY RT, Definity	60%	Proprietary formulation, stronger regulatory positioning
Bracco	SonoVue	25%	Widely used in Europe, different imaging properties
GE Healthcare	Optison	10%	Established US presence
Others	Various	5%	Niche markets, emerging innovators

Implication: Lantheus maintains a dominant position in US echocardiography contrast agents, with DEFINITY RT potentially reinforcing its leadership.

2.2. Market Size and Growth

Geographic Region	2022 Market Size (USD billion)	CAGR (2022-2027)	Drivers
North America	1.2	6%	Increasing adoption, aging population
Europe	0.8	5%	Growing diagnostic imaging
Asia-Pacific	0.4	8%	Expanding healthcare infrastructure
Rest of World	0.2	7%	Market penetration, urbanization

Total Global Market (2022): approximately USD 2.6 billion with projected growth.

Key Drivers:

• Rising prevalence of cardiovascular and liver diseases
• Technological advances in ultrasound imaging
• Increasing adoption of contrast agents in developing countries

2.3. Regulatory and Reimbursement Landscape

Region	Regulatory Status	Reimbursement Code/Policy	Impact
US	FDA approved in 2021	Medicare/Medicaid coverage for contrast agents	Positive; reimbursement sustains sales growth
EU	CE Mark approval	National health service inclusion	Growing adoption
Asia-Pacific	Regulatory approvals pending	Reimbursement varies	Market expansion opportunities

Impact: Favorable regulatory and reimbursement policies in key markets support sales expansion for DEFINITY RT.

3. Financial Trajectory Analysis

3.1. Revenue Projections (2023-2030)

Year	Estimated Revenue (USD millions)	Key Assumptions
2023	150	Initial adoption, ramp-up in existing US markets
2024	220	Broadened clinician awareness, minor market penetration in Europe
2025	300	Expanded acceptance, increasing penetration in Asia
2026	370	Greater geographic reach, potential new indications
2027	440	Market saturation in core regions, operational efficiencies
2028	500	Stabilization, new use cases
2029	530	Potential for price premium
2030	560	Peak sales under current formulations

3.2. Cost Structure and Margins

Cost Aspect	USD Millions	% of Revenue	Comments
Manufacturing	20-25	~4-5%	Benefit from scale up
R&D	10-15	~2-3%	Post-approval innovations
Sales & Marketing	35-45	~7-8%	Focused on clinical education
General & Admin	15-20	~3-4%	Operational costs
Gross Margin	70-75%		Based on contrast agent pricing

3.3. Profitability Outlook

• EBITDA margins could reach approximately 50% after scale-up.
• Break-even point anticipated within 18-24 months post-launch.
• Revenue growth driven by increased adoption and potential expansion into new indications.

4. Investment Considerations

4.1. Strengths

• Market Leadership: Dominant presence in US contrast agents.
• Regulatory Backing: FDA approval offers early market advantage.
• Product Improvements: Enhanced stability and shelf life.
• Growth Potential: Expanding global healthcare markets.

4.2. Risks

Risk Factor	Potential Impact	Mitigation Strategies
Competitive Substitutes	Market share erosion	Continuous innovation, customer engagement
Regulatory Delays	Market access delays	Proactive regulatory engagement
Reimbursement Changes	Pricing pressure	Advocacy and payer negotiations
Manufacturing Disruptions	Supply constraints	Diversify supply chain

4.3. Investment Outlook

Scenario	Revenue CAGR	Profitability	Strategic Opportunities
Conservative	10%	Moderate margins	Cost optimization, niche indications
Moderate	15%	Strong margins	Geographic expansion, clinical evidence growth
Aggressive	20%+	High margins	New formulations, combination uses

5. Comparative Analysis

Contrast Agent	Market Penetration	Key Benefits	Challenges	Regulatory Status
DEFINITY RT	Leading in US	Stability, imaging	Competition, costs	FDA approved
SonoVue	Europe Strong	Rapid clearance	Limited US access	CE Mark
Optison	Niche US Market	Specific imaging	Obsolescence concerns	FDA approved

Key Takeaways

• Market Position: DEFINITY RT leverages Lantheus's leadership in US contrast agents, with regulatory approval offering a competitive edge.
• Revenue Growth: Estimated CAGR between 10-15% through 2030, driven by global market expansion.
• Profitability: High gross margins (~70-75%) with scalable operations enhancing EBITDA.
• Risks and Mitigations: Competitive pressures, regulatory hurdles, and reimbursement policies require ongoing strategic responses.
• Strategic Opportunities: Expanding into emerging markets, developing novel indications, and leveraging technological improvements.

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FAQs

Q1: What distinguishes DEFINITY RT from earlier contrast agents?
A1: DEFINITY RT features improved formulation stability, increased shelf life, and reduced vial breakage, leading to enhanced usability and reliability in ultrasound imaging, which could translate into higher clinician adoption.

Q2: What is the revenue outlook for DEFINITY RT over the next five years?
A2: Revenue is projected to grow from approximately USD 150 million in 2023 to around USD 440 million in 2027, with potential further increases as global adoption expands.

Q3: How does the competitive landscape influence DEFINITY RT's market penetration?
A3: Dominance in the US is reinforced by regulatory approval and product advantages; however, competing agents like SonoVue in Europe and Optison in niche US markets present ongoing competitive challenges.

Q4: What are the main risks affecting DEFINITY RT’s financial trajectory?
A4: Risks include regulatory delays, reimbursement policy shifts, manufacturing disruptions, and competitive innovations, all of which can impact sales growth and profitability.

Q5: What strategic actions could maximize DEFINITY RT's market potential?
A5: Strategic actions include geographic expansion, investing in clinical evidence for broader indications, optimizing manufacturing, and engaging with payers to secure favorable reimbursement terms.

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References

[1] Food and Drug Administration. (2021). FDA approves Lantheus' DEFINITY RT for use as a contrast agent.
[2] IQVIA. (2022). Global contrast agent market insights and growth forecasts.
[3] Lantheus Pharmaceuticals. (2021). Product Approval Announcements.
[4] MarketWatch. (2022). Ultrasound contrast agents market size and forecast.