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Last Updated: December 12, 2025

Isosulfan blue - Generic Drug Details


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What are the generic drug sources for isosulfan blue and what is the scope of patent protection?

Isosulfan blue is the generic ingredient in two branded drugs marketed by Am Regent, Eugia Pharma, Fresenius Kabi Usa, Meitheal, MSN, Mylan Institutional, Saba Ilay Sanayi, Somerset Theraps Llc, and Covidien, and is included in nine NDAs. Additional information is available in the individual branded drug profile pages.

There are six drug master file entries for isosulfan blue. Four suppliers are listed for this compound.

Summary for isosulfan blue
Drug Prices for isosulfan blue

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Recent Clinical Trials for isosulfan blue

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SponsorPhase
OnLume Inc.N/A
National Institutes of Health (NIH)N/A
University of Wisconsin, MadisonN/A

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US Patents and Regulatory Information for isosulfan blue

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Mylan Institutional ISOSULFAN BLUE isosulfan blue SOLUTION;SUBCUTANEOUS 090874-001 Jul 20, 2010 AP RX No Yes ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Eugia Pharma ISOSULFAN BLUE isosulfan blue SOLUTION;SUBCUTANEOUS 206831-001 Feb 2, 2016 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Covidien LYMPHAZURIN isosulfan blue SOLUTION;SUBCUTANEOUS 018310-001 Approved Prior to Jan 1, 1982 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Fresenius Kabi Usa ISOSULFAN BLUE isosulfan blue SOLUTION;SUBCUTANEOUS 211869-001 Sep 8, 2022 DISCN No No ⤷  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

Market Dynamics and Financial Trajectory for the Pharmaceutical Drug: ISOSULFAN BLUE

Last updated: November 6, 2025


Introduction

Isosulfan Blue, also known by its trade names such as Lymphazurin, is a vital dye employed predominantly in surgical procedures for lymphatic mapping, particularly in sentinel lymph node biopsies during cancer surgeries like melanoma and breast cancer removal. Its unique properties facilitate real-time visualization of lymphatic vessels, improving surgical accuracy and patient outcomes. With the increasing emphasis on minimally invasive techniques and precision medicine, Isosulfan Blue is experiencing evolving market dynamics that influence its commercial and therapeutic trajectory.


Market Landscape and Key Drivers

Growing Adoption in Oncology Surgical Procedures

The rising incidence of cancers requiring lymph node mapping, notably melanoma and breast cancer, underscores the expanding use of Isosulfan Blue. According to the World Health Organization, breast cancer accounts for approximately 12% of new cancer diagnoses globally, with sentinel lymph node biopsies becoming standard practice in staging and treatment planning (WHO, 2022). This clinical shift fuels demand for reliable dyes like Isosulfan Blue to improve intraoperative identification of lymphatic tissue.

Advancements in Surgical Technology and Techniques

Innovations such as fluorescence-guided imaging and hybrid tracers are supplementing traditional dyes, but Isosulfan Blue remains a preferred option owing to its proven efficacy and extensive clinical history. Its compatibility with existing surgical protocols accelerates its integration into routine practice, especially in regions with limited access to advanced imaging modalities.

Aging Population and Increased Cancer Prevalence

Globally, aging populations contribute to escalating cancer cases, subsequently augmenting demand for lymphatic mapping agents. Developed markets like North America and Europe, with high healthcare expenditures, show particularly robust growth patterns, while emerging markets are witnessing rapid adoption due to healthcare infrastructure expansion.

Regulatory Environment and Approvals

Isosulfan Blue benefits from a well-established regulatory profile; the U.S Food and Drug Administration (FDA) approved its use in lymphatic mapping in the 1980s. Continued regulatory support and off-label uses solidify its market presence. Nevertheless, the emergence of newer agents with more favorable safety profiles could influence future approvals and usage.


Market Challenges and Competitive Landscape

Safety and Side Effect Profile

Isosulfan Blue's limitations include allergic reactions, such as anaphylaxis, reported in up to 1-2% of cases (Routman et al., 1993). These safety concerns compel clinicians to consider alternative options, notably indocyanine green (ICG) dye, which exhibits a lower allergic risk profile.

Emergence of Alternative Tracers

The advent of fluorescent dyes and technology—particularly ICG coupled with near-infrared imaging—has started to challenge Isosulfan Blue's prominence. ICG’s safety, deeper tissue penetration, and real-time imaging capability make it an attractive alternative, especially in developed healthcare markets.

Manufacturing and Supply Chain Constraints

Isosulfan Blue's production is limited to specialized manufacturers with adequate quality control, potentially leading to supply disruptions and pricing volatility. The patent landscape and regulatory restrictions play crucial roles in dictating market access and competitive dynamics.


Financial Trajectory and Market Forecasts

Market Size and Revenue Projections

Currently, the global market for lymphatic mapping agents, driven predominantly by Isosulfan Blue, is valued in the hundreds of millions USD, with estimates suggesting a compound annual growth rate (CAGR) of approximately 4-6% over the next five years [2]. North America dominates due to high surgical volumes and technological adoption, followed by Europe and Asia-Pacific.

Impact of Emerging Technologies

While Isosulfan Blue maintains a substantial market share, its growth trajectory faces headwinds from newer agents like ICG. Market analysts project a gradual decline in overall dye sales in mature markets as alternative modalities gain favor, but innovation and expanding indications could offset this decline to some extent.

Potential for Market Expansion

Opportunities exist in emerging markets, where lymphatic mapping is underutilized due to limited resources but is gaining traction through increased healthcare investment. Additionally, new formulations or reformulations that enhance safety and efficacy could rejuvenate the drug's market relevance.


Regulatory and Strategic Outlook

Regulatory Trends

Enhanced focus on drug safety profiles compels manufacturers to optimize formulations and caution labeling. Governments and health authorities may impose stricter reporting and safety standards, influencing market dynamics. Collaborative efforts for developing next-generation dyes could also reshape the landscape.

Strategic Market Movements

Manufacturers are investing in clinical research to demonstrate superior safety profiles, and strategic partnerships with surgical device companies aim to integrate dyes into comprehensive intraoperative imaging systems. Such collaborations could accelerate adoption and open new revenue streams.


Conclusion and Future Outlook

Isosulfan Blue retains a significant role in lymphatic mapping, particularly in regions with established surgical practices and healthcare infrastructure. Its market will likely experience moderate growth driven by expanding cancer incidence and surgical applications but will face competition from fluorescent agents like ICG. Continuous innovation, safety enhancements, and strategic positioning will determine its long-term financial trajectory. Understanding regional market nuances and technological trends is crucial for stakeholders aiming to capitalize on opportunities or mitigate risks in this evolving space.


Key Takeaways

  • The global market for Isosulfan Blue is driven by increasing cancer incidence, technological adoption in surgery, and expanding healthcare access, especially in emerging markets.
  • Safety concerns and the advent of superior imaging agents are the primary factors challenging its market dominance.
  • Market forecasts indicate steady growth in developing regions, whereas mature markets may see a gradual decline owing to alternative tracers.
  • Strategic investments in product innovation and partnerships are vital for sustaining market relevance amid technological shifts.
  • Regulatory trends emphasizing safety and efficacy will influence future product development and market access.

FAQs

1. What are the primary clinical uses of Isosulfan Blue?
Isosulfan Blue is primarily used in sentinel lymph node biopsies during surgeries for melanoma, breast cancer, and other cancers to facilitate lymphatic mapping via visual dye localization.

2. How does Isosulfan Blue compare to newer lymphatic tracers like indocyanine green (ICG)?
While Isosulfan Blue provides reliable visual identification, ICG offers advantages such as deeper tissue penetration using near-infrared imaging and a lower incidence of allergic reactions, making it increasingly popular.

3. Are there safety concerns associated with Isosulfan Blue?
Yes. Allergic reactions, including anaphylaxis, can occur in a small percentage of patients. These safety issues motivate exploration of alternative agents with better safety profiles.

4. What factors could influence the future market trajectory of Isosulfan Blue?
Key factors include the emergence of alternative imaging agents, regulatory safety standards, technological innovations, and regional healthcare infrastructure development.

5. What strategic moves can manufacturers pursue to maintain competitiveness?
Investing in safety improvements, developing hybrid or reformulated products, forging partnerships with surgical system providers, and expanding into emerging markets are vital strategies.


References

[1] WHO. (2022). Cancer statistics globally. World Health Organization.
[2] MarketWatch. (2022). Lymphatic Mapping Agents Market Size, Share & Trends Analysis.
[3] Routman, D. M., et al. (1993). Allergic Reactions to Blue Dyes in Surgery. Surgical Oncology, 2(4), 331-334.

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