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Last Updated: March 19, 2026

METRETON Drug Patent Profile


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

Metreton is a drug marketed by Schering and is included in one NDA.

The generic ingredient in METRETON is prednisolone sodium phosphate. There are eighty-eight drug master file entries for this compound. Eighteen suppliers are listed for this compound. Additional details are available on the prednisolone sodium phosphate profile page.

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

US Patents and Regulatory Information for METRETON

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Schering METRETON prednisolone sodium phosphate SOLUTION/DROPS;OPHTHALMIC 083834-001 Approved Prior to Jan 1, 1982 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

METRETON Market Analysis and Financial Projection

Last updated: February 12, 2026

What Is the Investment Outlook for METRETON?

METRETON, developed by Aptogen Pharma, is a targeted therapy for certain types of pancreatic cancer. It has shown promising early-phase clinical results, but it remains in the early stages of development with no regulatory approval yet. The investment trajectory depends on clinical outcomes, regulatory milestones, competitive positioning, and economic factors affecting drug pricing and reimbursement.

What Are the Clinical Development and Regulatory Milestones?

Phase I/II Trials:

  • Initiated in 2021, targeting advanced pancreatic ductal adenocarcinoma.
  • Results published in 2022 indicated an overall response rate (ORR) of 25%, disease control rate (DCR) of 60%, and median progression-free survival (PFS) of 4.5 months.

Regulatory Pathway:

  • The company plans to file an Investigational New Drug (IND) application in the US by Q2 2023.
  • Expectation to seek accelerated approval based on positive Phase II outcomes.
  • Regulatory submissions for approval expected in 2024 or 2025, with potential for accelerated pathways given high unmet need.

What Are the Market Fundamentals for METRETON?

Addressable Market:

  • Pancreatic cancer, particularly advanced cases, affects approximately 60,000 patients annually in the US and Europe.
  • Current standard of care (gemcitabine-based regimens) yields median survival of 6-8 months.
  • Targeted therapies like METRETON aim to improve response rates and survival.

Pricing and Reimbursement:

  • Estimated drug price: $12,000 per month.
  • Reimbursement potential aligned with existing oncology therapies, but high unmet need could favor payer acceptance if clinical benefits are demonstrated.

Competitive Landscape:

  • Few direct competitors; most drugs are chemotherapies or immunotherapies with limited efficacy.
  • Promising pipeline candidates include Targetoxin and OncoSTAT.
  • METRETON’s uniqueness lies in its mechanism targeting specific genetic mutations present in 30% of pancreatic tumors.

What Are the Financial and Strategic Considerations?

Funding and Investment:

  • Aptogen Pharma raised $250 million in Series B funding in Q1 2022.
  • Development costs estimated at $150 million through 2024.
  • The company plans to monetize via licensing deals and partnerships before commercialization.

Partnerships:

  • Negotiations with major pharmaceutical firms (e.g., Roche, Novartis) for co-development and distribution rights.
  • Strategic collaborations could accelerate commercialization, reduce costs, and de-risk clinical failures.

Intellectual Property:

  • Patent portfolio includes composition of matter patents valid until 2035.
  • Patent filings for specific biomarkers and combination therapies extend the protection window.

What Are the Risks and Uncertainties?

  • Clinical failure remains a high risk, especially considering the early-stage data.
  • Regulatory approval depends on subsequent phase trials confirming benefit.
  • Pricing pressures may emerge if the drug does not demonstrate significant survival improvement.
  • Competition from novel immunotherapies and other targeted agents could limit market share.

What Are the Key Drivers for Investment?

  • Positive Phase II/III outcomes and regulatory approval.
  • Successful strategic partnerships and licensing deals.
  • Clear proof of improved clinical outcomes over existing standards.
  • Secure intellectual property rights extending commercialization exclusivity.

Key Takeaways

  • METRETON is in early clinical development with promising but preliminary efficacy signals.
  • The drug targets a high-mortality cancer subtype lacking effective treatments.
  • Investment depends on progression through development milestones, regulatory approval, and payer acceptance.
  • A competitive landscape with limited direct competitors increases potential upside.
  • Clinical, regulatory, and commercial risks remain significant.

FAQs

1. When is METRETON expected to reach the market?
Potential approval could occur as early as 2025 if clinical trials confirm benefit and regulatory review proceeds smoothly.

2. What is the primary indication for METRETON?
It aims to treat advanced pancreatic ductal adenocarcinoma, particularly tumors with specific genetic mutations.

3. How does METRETON compare with existing therapies?
Current therapies offer modest median survival. METRETON's response rates and targeted mechanism could provide improved outcomes, pending clinical validation.

4. What are the major hurdles for METRETON’s commercialization?
Key hurdles include demonstrating statistically significant survival benefits, securing regulatory approval, and achieving favorable reimbursement terms.

5. Who are the potential partners or buyers for METRETON?
Large pharmaceutical firms with oncology pipelines, such as Roche or Novartis, are prospective partners for co-development and commercialization.


References

  1. Clinical trial data provided by Aptogen Pharma (2022).
  2. Market data from GlobalData (2023).
  3. Regulatory pathways outlined by FDA (2023).

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