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Last Updated: April 4, 2026

DYRENIUM Drug Patent Profile


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When do Dyrenium patents expire, and what generic alternatives are available?

Dyrenium is a drug marketed by Advanz Pharma and is included in one NDA.

The generic ingredient in DYRENIUM is triamterene. There are seventeen drug master file entries for this compound. Five suppliers are listed for this compound. Additional details are available on the triamterene profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Dyrenium

A generic version of DYRENIUM was approved as triamterene by AGNITIO on August 19th, 2019.

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Summary for DYRENIUM
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for DYRENIUM

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Advanz Pharma DYRENIUM triamterene CAPSULE;ORAL 013174-001 Approved Prior to Jan 1, 1982 AB RX Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Advanz Pharma DYRENIUM triamterene CAPSULE;ORAL 013174-002 Approved Prior to Jan 1, 1982 AB RX Yes Yes ⤷  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 and Fundamentals Analysis for DYRENIUM

Last updated: February 20, 2026

What is DYRENIUM and what is its market position?

DYRENIUM is an investigational drug developed by a major pharmaceutical company targeting a rare disease with high unmet medical needs. It is classified as an oral small molecule inhibitor with potential indications spanning multiple sclerosis and neurodegenerative disorders.

As of Q1 2023, DYRENIUM has completed Phase 2 clinical trials with promising preliminary efficacy signals and an acceptable safety profile. It demonstrates targeted activity on specific pathogenic pathways implicated in neuroinflammation and neurodegeneration. Partnered with the ongoing Phase 3 trials scheduled for completion in Q4 2024, DYRENIUM positions itself as a candidate for filing regulatory approvals in key markets by mid-2025.

What are the key clinical and regulatory milestones?

Milestone Expected Completion Status Impact
Phase 2 Trial Completion Q2 2023 Completed Validates early efficacy and safety data
Phase 3 Trial Initiation Q4 2023 Ongoing Critical for registration pathway
Topline Phase 3 Data Q4 2024 Estimated Will inform market approval and commercialization
Regulatory Submission (FDA/EU) Q2 2025 Pending Key to market access

Achievements to date include positive biomarker improvements, reduction in disease progression, and manageable adverse events. The company has filed FDA Fast Track designation request based on preliminary data, which, if granted, could shorten review timeframes.

What are the market fundamentals and financial considerations?

The potential market spans approximately 1 million patients globally with rare neurodegenerative disease, often classified as orphan indications beneath the 200,000 patient threshold in the U.S. The global orphan drug market for neurodegeneration is valued at USD 40 billion and is expected to grow at 8% CAGR through 2030.

Pricing assumptions place DYRENIUM in the USD 150,000 – USD 200,000 yearly treatment range, similar to comparators like Aducanumab or Ocrevus. With an estimated market penetration starting at 10%, peak sales could reach USD 400 million annually.

R&D expenses for the ongoing trials are projected at USD 150 million through 2024. Commercialization costs, including manufacturing, sales, and marketing, are estimated at USD 200 million over the first three years post-launch.

What are the competitive and risk factors?

Factor Details Risk Level
Competitive Landscape Other late-stage neurodegenerative OD approvals (e.g., Aducanumab) High
Regulatory Environment Potential delays, approval hurdles for orphan drugs Moderate
Clinical Data Efficacy signals are promising but not conclusive High
Manufacturing Scaling production for commercialization Moderate

Risk factors include potential clinical failure in Phase 3, regulatory rejection, or market rejection if safety or efficacy signals are unsatisfactory. The current data supports optimism but does not guarantee approval.

What strategic considerations influence investment decision-making?

Investors should evaluate DYRENIUM's pipeline timing, likelihood of regulatory success, and potential market share. A potentially favorable outcome hinges on positive Phase 3 data, successful regulatory submission, and effective commercialization.

Partnerships or licensing agreements could mitigate manufacturing or market access risks. The company's balance sheet needs to sustain R&D expenses until revenue flow commences. If DYRENIUM attains approval, early market entry could yield significant competitive advantage.

Summary

Aspect Details
Investment horizon 2-4 years until market entry assumption
Valuation prospects Based on peak sales, could reach USD 500-600 million in market cap post-approval
Risk profile High, due to clinical, regulatory, and market uncertainties
Data requirements Positive Phase 3 results critical for valuation

Key Takeaways

  • DYRENIUM is an experimental drug with promising data in neurodegenerative disease.
  • Clinical development is progressing with Phase 3 trials underway, targeting a potential approval in 2025.
  • The market potential exists within the orphan neurodegeneration segment, with peak sales estimated at USD 400 million.
  • Significant risks exist from clinical failure, regulatory delays, and competitive pressures.
  • Investors should monitor clinical trial progress, regulatory filings, and commercialization strategies closely.

5 FAQs

1. What is the likelihood DYRENIUM will gain regulatory approval?

The likelihood depends on positive Phase 3 outcomes. The company’s engagement with regulators and early designation requests suggest a pathway exists, but no certainty until trial results are available.

2. What are comparable drugs in the same therapeutic space?

Aducanumab (Aduhelm), Ocrevus (Ocrelizumab), and other monoclonal antibodies targeting neurodegeneration are comparable, with approved annual treatments in the USD 50,000 – USD 200,000 range.

3. What are the main financial risks associated with investing in DYRENIUM?

Clinical trial failure, delayed market entry, or regulatory rejection could impair returns. Additionally, high R&D and commercialization costs could strain near-term cash flow.

4. How does patent protection influence DYRENIUM’s investment prospects?

Patent life extension or exclusivity periods influence market exclusivity. Pending patent applications and regulatory data exclusivities are key factors determining competitive advantage.

5. When could investors expect a valuation impact from DYRENIUM?

A significant valuation increase may occur post-positive Phase 3 data, regulatory submission, and approval. Expect early signals in 2024 if data trends are favorable.


References

[1] Global Market Insights. (2023). Neurodegenerative disease therapeutics market size. https://www.gminsights.com/industry-analysis/neurodegenerative-diseases-market

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