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Last Updated: March 19, 2026

isosulfan blue - Profile


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What are the generic sources for isosulfan blue and what is the scope of freedom to operate?

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.

Summary for isosulfan blue
US Patents:0
Tradenames:2
Applicants:9
NDAs:9

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
Am Regent ISOSULFAN BLUE isosulfan blue SOLUTION;SUBCUTANEOUS 210294-001 May 17, 2023 AP RX No No ⤷  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
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
Meitheal ISOSULFAN BLUE isosulfan blue SOLUTION;SUBCUTANEOUS 213130-001 Nov 3, 2021 AP RX 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

Investment Analysis of Isosulfan Blue: Market Dynamics, Financial Trajectory, and Future Outlook

Last updated: February 3, 2026


Summary

This comprehensive review evaluates the investment landscape of isosulfan blue, a medical dye primarily used in sentinel lymph node mapping during oncologic surgeries. The analysis covers current market positioning, competitive dynamics, regulatory environment, clinical adoption patterns, potential growth drivers, and anticipated financial trajectory. Given its niche application, the drug’s market is highly specialized, influencing its growth prospects, profitability, and investment risk. Strategic insights are provided to inform potential stakeholders considering investment or partnership opportunities in this domain.


Introduction to Isosulfan Blue

Drug Profile:

Attribute Details
Trade Names Lymphazurin®
Approval Year 1988 [1]
Manufacturer Typically administered via various producers, with the original patent long expired; some regional exclusivities may exist.
Therapeutic Use Sentinel lymph node (SLN) mapping in breast cancer, melanoma, and other cancers [2]
Administration Route Intradermal injection
Key Advantages Improved accuracy in identifying lymph nodes, minimally invasive

Market Context:

Isosulfan blue remains a vital component in surgical oncology, representing a high-value niche within lymphatic mapping. Its utility is set against emerging alternatives and evolving surgical techniques, which influence its long-term market viability.


Market Dynamics

1. Market Size and Growth Potential

Parameter Data / Estimations
Current Global Market Value Approx. US$ 250 million (2022 estimate) [3]
CAGR (Compound Annual Growth Rate) ~4-6% (2022-2027 projection) [3][4]
Primary Markets U.S., Europe, Asia-Pacific (with region-specific growth rates)
Key Segments Surgical oncology, melanoma, breast cancer surgeries

Sources: Market Research Future [3], Grand View Research [4]

2. Market Drivers

  • Rise in cancer incidence rates worldwide, notably breast cancer and melanoma.
  • Increasing adoption of sentinel lymph node biopsy (SLNB) as standard of care.
  • Favorable clinical outcomes from lymphatic mapping techniques.
  • Regulatory approvals and adoption trends favoring established dyes.

3. Market Restraints

  • Competition from alternative dyes such as methylene blue and indocyanine green (ICG).
  • Concerns over adverse reactions, including hypersensitivity.
  • Limited development of novel agents for lymphatic mapping.
  • Market saturation in mature regions, with slow growth prospects.

4. Competitive Landscape

Competitors Products / Alternatives Market Share Remarks
1. Methylene Blue Methylene Blue Solution ~40% Widely used, lower cost, but less specific
2. Indocyanine Green (ICG) ICG dye with near-infrared imaging ~35% Increasing use due to imaging capabilities
3. Isosulfan Blue Lymphazurin® ~25% Preferred for its proven clinical efficacy

Note: Market share estimates are approximate and vary regionally.


Regulatory and Clinical Adoption Trends

1. Regulatory Environment

Region Status Specifics
U.S. FDA Approved (since 1988) [1] Prescribed under surgical guidance, limited post-market updates
EMA (Europe) Not formally approved; used off-label in clinical practice Performance varies based on regional agreements
Asia-Pacific Limited data; some use in institutional settings Growing adoption with increasing cancer prevalence

2. Clinical Guidelines

  • Incorporated into NCCN guidelines (National Comprehensive Cancer Network) for SLNB in breast cancer and melanoma [5].
  • Adoption driven by surgeon familiarity and institutional protocols.
  • Increasing use in minimally invasive surgeries.

Financial Trajectory and Investment Considerations

1. Revenue Streams

Source Description Growth Potential
Direct sales to hospitals Core revenue source Stable, mature
Licensing and regional approvals Expansion via regional regulatory approvals Moderate, variable
Co-marketing partnerships Joint ventures with surgical device firms Potential upsides

2. Market Expansion Opportunities

  • Emerging Markets: Rising cancer rates, expanding healthcare infrastructure, increasing surgical procedures.
  • Innovation Adoption: Integration with imaging technologies like near-infrared fluorescence (ICG) for enhanced mapping.
  • Adjunctive Applications: Potential new uses in lymphatic research, autoimmune disease, and transplant surgeries, although presently speculative.

3. Financial Risks

Risk Factors Impact Mitigation Strategies
Competition from newer agents Market share erosion Focus on clinical validation, differentiation
Regulatory hurdles in new regions Delays in market entry Establish regional regulatory expertise
Market saturation in mature areas Slowing growth Diversification into adjacent indications or technologies

4. Projected Revenue (2023-2027)

Year Estimated Revenue (US$ millions) Assumptions
2023 250 Baseline, with moderate growth
2024 265 +6% increase, driven by market expansion
2025 280 Continued adoption, slight market penetration increase
2026 300 Stabilization, potential entry into new regions
2027 315 Mature growth with incremental gains

Comparison with Market Alternatives

Parameter Isosulfan Blue Methylene Blue Indocyanine Green (ICG)
Specificity High Moderate Very high with imaging
Cost Moderate (~$50-$100 per dose) Low (~$20-$50 per dose) High (~$200 per dose)
Regulatory Status Approved in U.S. and other regions Widely used off-label FDA approved, growing in use
Adverse Reactions Hypersensitivity (rare) Fewer concerns Minimal, but requires special imaging equipment

Deep Dive: Future Market Trajectory and Investment Outlook

Key growth influencers:

  • Technological integration: Combining isosulfan blue with near-infrared imaging enhances detection accuracy, likely extending its relevance.
  • Clinical validation: Large-scale studies confirming superiority or equivalence with new agents influence adoption.
  • Regulatory pathways: Streamlined approval procedures and expanding indications can boost market penetration.
  • Partnership opportunities: Co-marketing with imaging device firms, or licensing deals with regional players, may unlock new revenue.

Potential challenges:

  • Rapid technological advances may shift preference toward integrated imaging dyes like ICG.
  • Market consolidation could lead to price pressures.
  • Regulatory restrictions related to allergic hypersensitivity may impact usage.

Key Takeaways

Aspect Insights
Market Size & Growth Stable, with a CAGR of ~4-6%, driven by rising cancer incidence
Competitive Position Niche with established clinical efficacy; declining share against alternatives like ICG
Revenue & Investment Drivers Expansion in emerging markets, technological integration, and new indications present growth avenues
Risks & Mitigation Competition, regulatory hurdles, and technological shifts require strategic positioning
Long-term Outlook Moderate growth potential; continued relevance in surgical oncology with scope for innovation

FAQs

1. What are the primary factors influencing the demand for isosulfan blue?
Demand is driven by rising cancer cases requiring SLNB, clinician preference for proven dyes, and integration with emerging imaging technologies.

2. How does isosulfan blue compare cost-wise to its alternatives?
It is moderately priced (~$50-$100 per dose), generally more expensive than methylene blue but less costly than ICG when considering equipment costs.

3. What regulatory challenges could impact market access?
Potential hypersensitivity reactions necessitate clear labeling and safety data; regional regulatory approval processes vary, and off-label use persists where approvals are limited.

4. Are there new developments or formulations expected for isosulfan blue?
While current formulations remain standard, research into combining dyes with imaging agents or developing sustained-release formulations may evolve, though none are imminent.

5. What is the outlook for investment returns in this market?
Given the niche status and competition, returns are expected to be stable but modest unless coupled with regional expansion, technological innovation, or new clinical applications.


References

[1] U.S. Food and Drug Administration. "Lymphazurin (isosulfan blue) injection approval documentation," 1988.

[2] NCCN Clinical Practice Guidelines in Oncology. "Sentinel Lymph Node Biopsy," 2022.

[3] Market Research Future. "Global Lymph Node Mapping Market," 2022.

[4] Grand View Research. "Sentinel Lymph Node Mapping Market Size, Share & Trends," 2022.

[5] American Society of Surgical Oncology. "Guidelines for Sentinel Lymph Node Biopsy," 2021.


This detailed analysis informs strategic investment considerations, highlighting current market status, growth potential, and competitive landscape for isosulfan blue in surgical oncology.

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