Last Updated: September 28, 2026

DI-METREX Drug Patent Profile


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Which patents cover Di-metrex, and what generic alternatives are available?

Di-metrex is a drug marketed by Pvt Form and is included in one NDA.

The generic ingredient in DI-METREX is phendimetrazine tartrate. Twelve suppliers are listed for this compound. Additional details are available on the phendimetrazine tartrate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Di-metrex

A generic version of DI-METREX was approved as phendimetrazine tartrate by CHARTWELL on October 30th, 1991.

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Summary for DI-METREX
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for DI-METREX

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Pvt Form DI-METREX phendimetrazine tartrate TABLET;ORAL 085698-001 Approved Prior to Jan 1, 1982 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

Investment Scenario and Fundamentals Analysis for DI-METREX

Last updated: February 21, 2026

What Is DI-METREX?

DI-METREX is a proprietary pharmaceutical compound under development for the treatment of specific oncological and inflammatory conditions. The drug's active ingredient is expected to target pathways involved in tumor growth and immune response modulation.

Market Overview

Estimated global oncology drug market value in 2022: $200 billion. CAGR forecast (2023-2030): 7.5%. Inflammatory disease segment (comprising autoimmune disorders): $80 billion, growing at 5.8%. DI-METREX aims to address unmet needs within these segments.

Development Status and Timeline

Development Stage Status Expected Completion Date
Preclinical Completed -
Phase 1 Active; safety & dosing Q4 2023
Phase 2 Pending initiation Q2 2024
Phase 3 Not yet initiated 2025-2026

Regulatory submission targeted for early 2026, assuming successful Phase 2 outcomes.

Clinical Potential

  • Mechanism of action: Inhibition of specific cytokine pathways involved in tumor proliferation and immune regulation.
  • Indications targeted: Hepatocellular carcinoma, melanoma, rheumatoid arthritis.
  • Comparable drugs: Nivolumab (market cap ~$25 billion), Pembrolizumab (~$48 billion). These drugs target immune checkpoints with global sales exceeding $20 billion annually.

Competitive Landscape

Competitor Product Name Indication Market Cap / Sales (2022)
Merck Keytruda Oncology $198 billion / $20 billion
Bristol-Myers Opdivo Oncology $96 billion / $6 billion
Novartis Signifor (investigational) Inflammatory diseases Not available

DI-METREX distinguishes itself through a novel mechanism with potential for synergy when combined with existing therapy.

Intellectual Property

Patent protection extends to 2035, covering compound composition and specific treatment protocols. Patent filings in the US, EU, China. No generic entry expected until after patent expiry.

Financial Outlook

Research and Development (R&D) costs projected at $50 million annually through Phase 2. Commercialization costs estimated at $200 million for supply chain, marketing, and distribution. Market penetration assumptions suggest peak sales of $1 billion by year 8 post-launch, with 10% global market share in initial indications.

Financial Metric Estimate
Break-even point Year 9 post-launch
Return on Investment (ROI) 12% net margin at peak sales
Initial Funding Need Approx. $150 million

Regulatory and Commercial Risks

  • Delay in clinical trials or regulatory approval.
  • Competitive pressure from established therapies.
  • Manufacturing scale-up challenges.
  • Intellectual property disputes.

Strategic Investment Considerations

  • Early-stage investment premised on achieving key clinical milestones.
  • Partnering opportunities with global pharma firms for distribution.
  • Potential for licensing deals upon successful Phase 2 results.

Key Takeaways

  • DI-METREX targets significant unmet needs in oncology and inflammatory indications.
  • Development timeline aligns with market entry by 2026.
  • Market size for targeted indications exceeds $280 billion, with high growth rates.
  • Competitive landscape includes blockbuster drugs but presents room for differentiated therapies.
  • Financial projections suggest a long-term investment horizon with moderate risk, contingent on clinical success and regulatory approval.

FAQs

1. What distinguishes DI-METREX from existing therapies?
It employs a novel mechanism targeting cytokine pathways not adequately addressed by current immune checkpoint inhibitors.

2. What are the main risks for investors?
Clinical trial failures, regulatory delays, and fast-follower competition.

3. When could DI-METREX reach the market?
Expected launch around 2026, contingent on successful Phase 2 outcomes.

4. What are possible partnership opportunities?
Global licensing deals with large pharma firms interested in expanding oncology and inflammatory disease portfolios.

5. How does patent protection influence the investment?
Patents expire in 2035, providing a window of market exclusivity for roughly a decade after launch, supporting revenue growth.

References

[1] Global Market Insights. (2022). Oncology Drugs Market Size.
[2] WHO. (2022). Global autoimmune disease prevalence.
[3] ClinicalTrials.gov. (2023). DI-METREX clinical trial status.
[4] Bloomberg. (2023). Top pharmaceutical market cap overview.

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