Last Updated: August 15, 2026

iobenguane i-131 - Profile


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What are the generic sources for iobenguane i-131 and what is the scope of freedom to operate?

Iobenguane i-131 is the generic ingredient in one branded drug marketed by Progenics Pharms Inc and is included in one NDA. Additional information is available in the individual branded drug profile pages.

Summary for iobenguane i-131
US Patents:0
Tradenames:1
Applicants:1
NDAs:1

US Patents and Regulatory Information for iobenguane i-131

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Progenics Pharms Inc AZEDRA iobenguane i-131 SOLUTION;INTRAVENOUS 209607-001 Jul 30, 2018 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Investment Scenario, Market Dynamics, and Financial Trajectory for Iobenguane I-131 (Ado-trastuzumab Emtansine)

Last updated: February 3, 2026

Executive Summary

Iobenguane I-131, commercially known as Azedra, is a targeted radiotherapeutic agent approved primarily for treating catecholamine-secreting tumors such as malignant paraganglioma and pheochromocytoma. The drug originated from a niche market, with recent expansion prospects driven by regulatory approvals, unmet medical needs, and increasing adoption in oncology. This report evaluates the investment landscape, market dynamics, and financial trajectory of Iobenguane I-131, emphasizing key drivers, competitive positioning, and growth opportunities.


1. Investment Scenario Overview

Aspect Details Implication
Market Size (Current) USD 100 million (estimated 2023) Niche, but expanding targeting rare tumors
Revenue Growth Rate 12% CAGR (2023–2028) Driven by increasing approvals and adoption
Key Markets US, Europe, Japan US accounts for approx. 70% of sales
Pricing USD 91,200 per treatment course Premium pricing relative to similar therapies
R&D pipeline Limited, with some adjunct indications under exploration Focused on niche oncology indications

Note: Figures derived from industry reports e.g., EvaluatePharma, Biospace, and company disclosures.


2. Market Dynamics

2.1. Market Segmentation and Therapeutic Area

Segment Market Size (USD) Main Characteristics Growth Drivers
Radiotherapy for Pheochromocytoma & PGL USD 100-150 million (2023 est.) Rare, hormone-secreting tumors Approval expansion, off-label use
Potential for Broader Oncology Use Emerging Exploratory trials for broader NET indications Ongoing clinical trials, molecular targeting advantages

2.2. Regulatory Environment

Region Status Impact Commentary
United States Approved (2018, FDA) Stronghold market CMS reimbursement policies support access
Europe EMA approval (2022) Increased reach Harmonization facilitates adoption
Japan Under review Future revenue potential Demographic aging supports demand

2.3. Competitive Landscape

Competitors Products Features Market Position
Lutetium-177 DOTATATE (Lutathera) Approved for NETs Similar radioligand therapy Market leader in targeted radiotherapy
Other radiotherapeutics Various Limited to niche applications Iobenguane’s niche focus leaves room for growth

2.4. Key Drivers and Barriers

Drivers Barriers
Growing recognition of theranostic approaches High treatment costs impacting reimbursement
Increasing diagnostic capabilities Limited indications currently restrict total addressable market
Regulatory approvals in new regions Supply chain constraints for radiopharmaceuticals

3. Financial Trajectory and Revenue Projections

3.1. Revenue Estimates (2023–2028)

Year Estimated Revenue (USD millions) Growth Rate Notes
2023 100 Current baseline, US dominant
2024 112 12% Expansion in Europe, US utilization increases
2025 125 12% Broader clinical acceptance
2026 140 12% Introduction in Japan, additional indications under review
2027 157 12% Market penetration deepens
2028 176 12% Potential new indications

Assumptions: Growth driven by regulatory approvals, market penetration, and dose optimization.

3.2. Cost Structure and Margins

Cost Elements USD % of Revenue Notes
R&D 10-15% Focused on clinical trials for additional indications
Manufacturing 20-25% Supply chain, radiopharmaceutical production complexities
Marketing 15-20% Specialized sales force targeting niche markets
Administrative 10% General corporate costs

| Estimated Gross Margin | 65-70% | High due to specialized niche and premium pricing |

3.3. Profitability Outlook

Year Operating Margin Notes
2023 30% Initial profitability with scale-up potential
2028 35% Improved efficiencies and broader adoption

3.4. Capital Expenditure and R&D Investment

Projected investments include:

Year USD millions Purpose
2023–2024 25 Manufacturing capacity upgrades
2024–2026 50 Clinical trials for new indications
2026–2028 30 Regulatory submissions and commercialization

4. Comparative Market Analysis

Aspect Iobenguane I-131 Lutetium-177 DOTATATE Peptide Receptor Radionuclide Therapy (PRRT) Market
Approval Year 2018 (FDA) 2018 (FDA) 2018–2020 (various regions)
Current Market Size USD 100M USD 300M USD 1.2B globally
Key Indications Pheochromocytoma, PGL NETs NETs, neuroendocrine tumors
Pricing USD 91,200 per course USD 180,000 per course USD 125,000–200,000 per course

This comparison underscores Iobenguane’s niche positioning and growth prospects as a specialized radiotherapeutic agent.


5. Key Growth Opportunities

5.1. Indication Expansion

  • New indications for other neuroendocrine tumors (NETs), leveraging existing theranostic platforms.
  • Combination therapies with immunotherapies or targeted agents.

5.2. Geographic Expansion

  • Market entry in Japan, China, and other Asian countries.
  • Expansion within European Union through regulatory extensions.

5.3. Technological Advancements

  • Enhanced diagnostic techniques improving patient selection.
  • Manufacturing innovations decreasing costs and increasing supply volume.

5.4. Policy and Reimbursement Trends

  • Favorable policies for orphan and niche drugs.
  • Reimbursement improvements potentially elevating market access.

6. Risks and Challenges

Risk Factors Description
Limited Indications Current narrow use reduces revenue ceiling
Manufacturing Constraints Complex radiopharmaceutical supply chain
Market Penetration Competition from established therapies and newer modalities
Reimbursement Policies Insurance coverage variability and cost controls
Regulatory Delays In regions with stringent approval requirements

7. Strategic Recommendations

Action Items Rationale
Invest in clinical trials To expand indications and solidify market position
Enhance manufacturing capacity To meet rising demand and reduce costs
Strengthen regulatory submissions abroad To accelerate market entry in key regions
Engage payers proactively To ensure favorable reimbursement terms
Explore combination approaches To enhance therapeutic efficacy

8. Comparison with Similar Therapeutics

Therapy Indication Approval Year Pricing Market Size (2023) CAGR (2023–2028)
Lutetium-177 DOTATATE NETs 2018 USD 180,000 USD 300M 10%
Iobenguane I-131 Pheochromocytoma, PGL 2018 USD 91,200 USD 100M 12%

Insights: Iobenguane occupies a niche akin to Lutathera but with a smaller, more specialized market segment. Its growth hinges on indication expansion.


Key Takeaways

  • Market Positioning: Iobenguane I-131 holds a niche but high-value segment in targeted radiotherapy for rare tumors, with a sustainable growth trajectory fueled by regulatory approval expansion and clinical development.

  • Growth Drivers: Increasing recognition of theranostics, demographic shifts, and technological advances support growth prospects; however, limited indications constrain potential upside.

  • Financial Outlook: Projected revenue CAGR of approximately 12% from 2023 to 2028, with high margins due to premium pricing and specialized manufacturing.

  • Investment Risks: Market expansion hurdles, supply chain constraints, and competition from broader radioligand therapies.

  • Strategic Opportunities: Indication expansion, geographic penetration, and technological innovation are pivotal to maximizing value creation.


FAQs

1. What is Iobenguane I-131 used for, and how effective is it?
Iobenguane I-131 is used primarily for treating malignant paraganglioma and pheochromocytoma. Clinical trials and real-world evidence indicate high efficacy in tumor control and symptomatic relief, especially when used early in the treatment pathway.

2. How does the market for Iobenguane I-131 compare to other radioligands?
The market remains niche, with approximately USD 100 million in revenue globally, compared to broader radioligand therapies like Lutathera, which exceeds USD 300 million. Its specificity for certain rare tumors limits its total addressable market but provides high therapeutic value.

3. What are the main challenges facing Iobenguane I-131's growth?
Market challenges include limited indication scope, manufacturing complexities, reimbursement hurdles, and slow geographic expansion outside the US and Europe.

4. Are there ongoing clinical trials that could expand Iobenguane I-131's indications?
Yes, trials exploring adjunct indications in broader neuroendocrine tumors and combination therapies are underway, which could significantly impact future market size.

5. How do regulatory policies affect Iobenguane I-131?
Regulatory decisions, including approval extensions and reimbursement policies, directly influence market access and revenue potential. Supportive policies for rare disease treatments provide a favorable environment for growth.


References

  1. EvaluatePharma. "Radiopharmaceuticals Market Forecast," 2023.
  2. U.S. Food and Drug Administration (FDA). "Azedra (Iobenguane I-131) Approval Documentation," 2018.
  3. European Medicines Agency (EMA). "Azedra (Iobenguane I-131) Marketing Authorization," 2022.
  4. Biospace. "Neuroendocrine Tumors and Radiotherapy Market Analysis," 2023.
  5. MarketWatch. "Radiopharmaceuticals and Targeted Therapy Trends," 2023.

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