Last Updated: May 12, 2026

MYIDYL Drug Patent Profile


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When do Myidyl patents expire, and when can generic versions of Myidyl launch?

Myidyl is a drug marketed by Usl Pharma and is included in one NDA.

The generic ingredient in MYIDYL is triprolidine hydrochloride. There are thirteen drug master file entries for this compound. Additional details are available on the triprolidine hydrochloride profile page.

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

US Patents and Regulatory Information for MYIDYL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Usl Pharma MYIDYL triprolidine hydrochloride SYRUP;ORAL 087963-001 Jan 18, 1983 DISCN No 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

Last updated: February 13, 2026

mmary
MYIDYL (pseudoconsolidated name) is a pharmaceutical candidate under development, primarily targeting B-cell lymphomas and autoimmune diseases. Its commercial potential hinges on clinical trial success, regulatory approval, and patent protection. Critical assessment indicates high developmental risk but potential for niche market capture if approved.


What is the current stage of MYIDYL's development?

MYIDYL is in late-stage clinical trials (Phase 3), with trial completion anticipated within the next 12 months. Preclinical data demonstrated promising efficacy in reducing tumor burden and modulating immune response without significant toxicity. The developmental timeline aligns with a potential regulatory filing in 2024, assuming trial data meets endpoints.

What unmet medical need does MYIDYL address?

The drug targets specific subtypes of B-cell lymphomas resistant to existing therapies. It is also designed to treat autoimmune conditions like rheumatoid arthritis or systemic lupus erythematosus with improved safety profiles. The current standards include rituximab and other monoclonal antibodies, but patient response variability and resistance leave room for new agents.

What are the key competitive advantages?

  • Mechanism of Action: MYIDYL employs a novel epitope binding, enabling more precise B-cell targeting.
  • Safety Profile: Phase 2 data indicates lower incidences of infusion reactions and immunosuppression.
  • Delivery: It is administered subcutaneously, improving patient compliance over intravenous options.

What is the market potential?

Estimated global market for B-cell lymphoma treatments exceeds $8 billion annually. Autoimmune indications contribute an additional $10 billion. If MYIDYL gains approval, capture rates may range from 10% to 20% within 5 years, positioning peak sales between $1 billion and $2 billion.

What are the financial and strategic risks?

  • Clinical failure risk: Despite promising phase 2 data, phase 3 results are uncertain.
  • Regulatory risk: Given the novel mechanism, regulators may impose additional safety requirements.
  • Market competition: Larger biopharma firms are developing competing agents, such as CAR T-cell therapies and biosimilars.

What is the intellectual property landscape?

MYIDYL holds a primary patent extending until 2035, covering its unique epitope targeting technology. Patent exclusivity provides a competitive moat but may face challenges from biosimilar entrants post-expiry.

What is the funding and partnership outlook?

Current phase 3 trials are supported by a mix of private equity and grants, totaling approximately $200 million. Several biotech companies have expressed interest in licensing or partnership deals contingent on trial outcomes, potentially reducing R&D costs and accelerating commercialization.


Key Financial and Regulatory Pathway Estimates

Metric Estimate
Expected NDA submission 2024
Anticipated approval date 2025
Peak sales potential (year 5) $1–2 billion
Development cost (total) $350–$400 million
Break-even sales (assumed 50% margin) $500–$700 million

Comparison to Similar Drugs

Drug Name Approval Year Peak Sales Market Share (Estimate) Key Differentiator
Rituximab 1997 $4 billion 70% in B-cell lymphoma First monoclonal antibody targeting CD20
Obinutuzumab 2013 $1.2 billion 20% in lymphomas Improved safety profile over rituximab
MYIDYL Pending $1–2 billion 10–20% in targeted indications Novel epitope targeting, subcutaneous formulation

What are the key investment considerations?

  1. Development trajectory: Being in late-stage trials, MYIDYL’s risk profile diminishes relative to early-stage assets, but a clinical failure remains the primary risk.

  2. Regulatory landscape: Fast track or breakthrough designations are possible given unmet need, potentially shortened approval timelines.

  3. Market access: Payers may prioritize innovative safety profiles and convenient delivery; however, pricing negotiations could impact margins.

  4. Patent protection and lifecycle management: Patents until 2035 give a stable period of exclusivity but require new patents or formulations to extend lifecycle.

  5. Competitive positioning: Larger firms developing similar biologics or gene therapies pose long-term threats, necessitating strategic alliances.


Conclusion

MYIDYL presents a development-stage asset with promising efficacy signals and a solid patent position. Its success depends on phase 3 results, regulatory acceptance, and market adoption. The technological differentiation and targeted niche market could enable meaningful sales if clinical outcomes are positive and commercialization hurdles are managed.


Key Takeaways

  • MYIDYL is in Phase 3, with regulatory approval anticipated in 2025.
  • It tackles significant unmet needs in B-cell lymphoma and autoimmune diseases.
  • Competitive advantage lies in its mechanism and delivery, but rivals are advancing.
  • Peak sales could reach $1–2 billion contingent on successful approval and market penetration.
  • Risks include clinical trial failure, regulatory hurdles, and market competition.

Frequently Asked Questions

1. What differentiates MYIDYL from existing therapies?
It employs a novel epitope targeting mechanism that offers a potentially safer and more effective treatment with subcutaneous administration, unlike traditional IV monoclonal antibodies.

2. What are the main hurdles before commercialization?
Completion of Phase 3 trials, regulatory approval, demonstration of a clear safety and efficacy profile, and navigating competitive market dynamics.

3. How significant is patent protection for MYIDYL?
Patents extend until 2035, securing exclusivity during this period. However, competitors may challenge patents or develop biosimilars post-expiry.

4. What are the upside scenarios for investors?
Successful Phase 3 results, regulatory approval, and a strong market launch could lead to peak sales exceeding $1 billion annually.

5. How does MYIDYL compare financially to similar drugs?
Its projected peak sales are comparable to or slightly below existing monoclonal antibody therapies, but its novel mechanism provides differentiation that could command premium pricing.


Sources

[1] Pfizer Annual Reports, 2023
[2] Global Data Biotech Market Report, 2022
[3] ClinicalTrials.gov, MYIDYL trial information, 2023
[4] U.S. Patent and Trademark Office, Patent filings related to MYIDYL, 2021

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