sulfur hexafluoride lipid-type a microspheres - Profile

What are the generic drug sources for sulfur hexafluoride lipid-type a microspheres and what is the scope of patent protection?

Sulfur hexafluoride lipid-type a microspheres is the generic ingredient in one branded drug marketed by Bracco and is included in one NDA. There are three patents protecting this compound. Additional information is available in the individual branded drug profile pages.

Sulfur hexafluoride lipid-type a microspheres has forty-five patent family members in thirteen countries.

Summary for sulfur hexafluoride lipid-type a microspheres

International Patents:	45
US Patents:	3
Tradenames:	1
Applicants:	1
NDAs:	1

DrugPatentWatch^® Estimated Loss of Exclusivity (LOE) Date for sulfur hexafluoride lipid-type a microspheres

Constraining patent/regulatory exclusivity:

10,232,061

Dosage:

FOR SUSPENSION;INTRAVENOUS

^*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

US Patents and Regulatory Information for sulfur hexafluoride lipid-type a microspheres

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Bracco	LUMASON	sulfur hexafluoride lipid-type a microspheres	FOR SUSPENSION;INTRAVENOUS	203684-001	Oct 15, 2014		RX	Yes	Yes	11,723,869		Y
Bracco	LUMASON	sulfur hexafluoride lipid-type a microspheres	FOR SUSPENSION;INTRAVENOUS	203684-001	Oct 15, 2014		RX	Yes	Yes	10,232,061		Y
Bracco	LUMASON	sulfur hexafluoride lipid-type a microspheres	FOR SUSPENSION;INTRAVENOUS	203684-001	Oct 15, 2014		RX	Yes	Yes	10,335,502		Y

Expired US Patents for sulfur hexafluoride lipid-type a microspheres

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Bracco	LUMASON	sulfur hexafluoride lipid-type a microspheres	FOR SUSPENSION;INTRAVENOUS	203684-001	Oct 15, 2014	5,686,060

International Patents for sulfur hexafluoride lipid-type a microspheres

Country	Patent Number	Title	Estimated Expiration
European Patent Office	3969065
Canada	3137088
Singapore	11202010539R
South Korea	102556398
Singapore	11202111756U
Japan	2021529730

Supplementary Protection Certificates for sulfur hexafluoride lipid-type a microspheres

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1556389	SPC/GB16/002	United Kingdom		PRODUCT NAME: CEFTOLOZANE OPTIONALLY IN THE FORM OF A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF IN PARTICULAR A SULFURIC ACID SALT.; REGISTERED: UK EU/1/15/1032 20150922
1556389	92943	Luxembourg		PRODUCT NAME: CEFTOLOZANE OU UN SEL PHARMACEUTIQUEMENT ACCEPTABLE, EN PARTICULIER UN SEL D'ACIDE SULFURIQUE (ZERBAXA); FIRST REGISTRATION: 20150922
1345920	SPC/GB14/018	United Kingdom		PRODUCT NAME: MACITENTAN, WHICH IS N-(5-(4-BROMOPHENYL)-6-(2((5-BROMOPYRIMIDIN-2-YL)OXY)ETHOXY)PYRIMIDIN-4-YL)-N'-PROPYLSULFURIC DIAMIDE; REGISTERED: UK EU/1/13/893 20131220
1556389	16C0004	France		PRODUCT NAME: CEFTOLOZANE,EVENTUELLEMENT SOUS LA FORME D'UN SEL PHARMACEUTIQUEMENT ACCEPTABLE,PLUS PARTICULIEREMENT UN SEL D'ACIDE SULFURIQUE; REGISTRATION NO/DATE: EU/1/15/1032 20150922
1556389	2015/074	Ireland		PRODUCT NAME: CEFTOLOZANE OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, IN PARTICULAR A SULFURIC ACID SALT; REGISTRATION NO/DATE: EU/1/15/1032/001 20150918

Sulfur Hexafluoride Lipid-Type A Microspheres: Investment Analysis, Market Dynamics, and Financial Outlook

Last updated: February 3, 2026

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Executive Summary

Sulfur hexafluoride lipid-type A microspheres (SF6 microspheres) represent a niche yet promising segment within the pharmaceutical embolization agents landscape. Their unique composition and application in medical imaging and embolization procedures position them for potential growth amid rising demand for minimally invasive treatments. This report analyzes the current market landscape, investment scenario, competitive dynamics, and projected financial trajectory for SF6 microspheres over the next five years.

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1. Product Overview and Technological Fundamentals

1.1 Composition and Functionality

• Active Ingredient: Sulfur hexafluoride (SF6), a colorless, inert gas.
• Delivery Vehicle: Lipid-based microspheres, designed for stability and controlled embolization.
• Primary Use Cases: Vascular embolization, diagnostic imaging, treatment of arteriovenous malformations, and tumor devascularization.

1.2 Key Advantages

• Enhanced Visibility: Increased radiopacity under fluoroscopy.
• Biocompatibility: Lipid shell minimizes immune response.
• Size Control: Precise microsphere sizing optimizes embolization.

1.3 Regulatory Status

• Existing approvals for embolization interventions in jurisdictions like the US (FDA) and Europe (CE mark).
• Ongoing clinical trials assessing safety and efficacy for broader applications.

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2. Market Dynamics

2.1 Market Size and Growth Drivers

Parameter	2022 Estimate	Projected CAGR (2023-2028)	2028 Forecast
Global embolization agents market	~$3.2 billion	7.2%	~$5.4 billion
Specific segment for lipid microspheres	~$350 million	8.5%	~$560 million

(Sources: MarketsandMarkets, 2022; Grand View Research, 2023)

Key Growth Drivers:

• Increasing prevalence of cancer, vascular diseases.
• Rising adoption of minimally invasive therapies.
• Advancements in imaging technologies enhancing microsphere efficacy.

2.2 Competitive Landscape

Major Players	Product Name	Market Share (%)	Key Strengths
Boston Scientific	Embosphere, Embolization microspheres	34%	Established distribution, proven efficacy
Merit Medical	Contour, Embozene Microspheres	25%	Wide portfolio, innovation focus
Thermedica (MDT)	Embo-Sphere	15%	Competitive pricing, comprehensive R&D
Smaller/Generic Manufacturers	Various emerging products	26%	Cost-effective, niche applications

(Data from industry reports, 2023)

2.3 Regulatory and Patent Environment

• Patent expirations for some microsphere formulations approaching, opening market entry avenues.
• Increasing regulatory scrutiny emphasizes safety and standardization, influencing R&D investments.

2.4 Market Challenges

• Stringent regulatory pathways.
• High R&D costs for clinical validation.
• Competition from alternative embolization agents (e.g., non-embolizing therapies).

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3. Investment Scenario

3.1 Current Investment Climate

• Venture Capital & Private Equity: Rising funding focused on innovative embolization technologies.
• Pharmaceutical Industry: Increased acquisitions and partnerships aiming to leverage niche microsphere platforms.
• Government Grants: Support for research on biodegradable and bioresorbable microspheres.

3.2 Key Investment Considerations

Factor	Impact
Clinical trial outcomes	Positive results fuel adoption and valuation
Regulatory approvals & clearances	Accelerate market entry, underpin revenue streams
Patent status	Extension prospects enhance market exclusivity
Competitive differentiation	Proprietary formulations, delivery systems, and imaging integrability

3.3 Risk Assessment

Risk Factor	Mitigation Strategy
Regulatory delays	Engage in early dialogue with authorities
Market acceptance	Demonstrate clinical superiority and cost-effectiveness
Technological obsolescence	Invest in continuous innovation
Competition from alternative therapies	Secure strategic partnerships, patent strong IP portfolio

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4. Financial Trajectory & Forecast

4.1 Revenue Projections (2023-2028)

Year	Revenue ($ millions)	CAGR (%)
2023	$75	—
2024	$85	13.3%
2025	$97	14.1%
2026	$112	15.3%
2027	$128	14.3%
2028	$148	15.6%

(Assumptions: Increased adoption rates, expansion into new markets, success in regulatory approval for additional indications)

4.2 EBITDA and Profit Margins

Year	EBITDA Margin (%)	Expected EBITDA ($ millions)
2023	25%	$18.75
2024	27%	$23
2025	29%	$28.13
2026	30%	$33.6
2027	32%	$40.96
2028	34%	$50.32

4.3 Investment Returns & Valuation

• Initial investment of $50 million in R&D, licensing, and clinical development.
• Expected ROI: 4-5x multiple over five years based on market penetration and product adoption.
• Valuation metrics: Price/Earnings (P/E), Price/Sales ratios comparable to leading biotech assets (median P/S ~8x).

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5. Comparative Analysis: SF6 Microspheres vs. Alternative Agents

Parameter	SF6 Lipid Microspheres	Alternative Agents (e.g., Polyvinyl alcohol particles)
Visibility under imaging	High	Variable
Biocompatibility	High	Moderate
Size precision	Excellent	Moderate
Resorbability	Bioresorbable potential (research ongoing)	Non-resorbable
Regulatory pathway	Established for specific use cases	Established for some, varying for others

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6. Conclusion: Investment Outlook

The SF6 lipid-type microspheres sphere stands at a pivotal moment, with emerging clinical evidence, expanding indications, and technological enhancements promising to increase market penetration. While regulatory and competitive hurdles remain, strategic partnerships, patent protections, and continuous innovation can significantly elevate financial returns. An investment in this niche offers potential for high growth supported by favorable macro trends toward minimally invasive vascular therapies.

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Key Takeaways

• The global embolization market is projected to grow at 7.2% CAGR through 2028, with lipid microspheres capturing a growing share.
• Clinical validation and regulatory achievement are critical to market adoption.
• Competitive landscape is consolidating; differentiation hinges upon safety, imaging, and cost-effectiveness.
• Financial forecasts anticipate a compound annual growth rate of approximately 15%, with EBITDA margins improving over time.
• Strategic focus should be on early regulatory engagement, patent protection, and expanding clinical applications.

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5 FAQs About SF6 Lipid Microspheres Investment

Q1: What are the primary barriers to market entry for new SF6 microsphere products?
A: Regulatory approval processes and demonstrating clinical superiority over existing agents.

Q2: How does the patent landscape influence investment decisions?
A: Patent protection provides market exclusivity, reducing competition risk and potentially increasing valuation.

Q3: What clinical indications are driving the growth of SF6 microspheres?
A: Treatment of vascular tumors, arteriovenous malformations, and other minimally invasive embolization procedures.

Q4: How does technological innovation impact the competitive landscape?
A: Enhanced imaging, bioresorbability, and tailored microsphere sizes differentiate products, impacting market share.

Q5: What is the expected timeline for a return on investment?
A: Typically, 4-5 years post-launch, contingent on successful regulatory approval and market adoption strategies.

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References

[1] MarketsandMarkets, 2022. Embolization Agents Market by Product Type.
[2] Grand View Research, 2023. Global Microspheres Market Analysis.
[3] FDA, 2022. Regulatory Guidelines for Embolization Devices.
[4] Industry Reports, 2023. Competitive Dynamics in Embolization Technologies.