Last Updated: August 3, 2026

METRA Drug Patent Profile


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

Metra is a drug marketed by Forest Pharms and is included in one NDA.

The generic ingredient in METRA is phendimetrazine tartrate. There are five drug master file entries for this compound. Twelve suppliers are listed for this compound. Additional details are available on the phendimetrazine tartrate profile page.

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Questions you can ask:
  • What is the 5 year forecast for METRA?
  • What are the global sales for METRA?
  • What is Average Wholesale Price for METRA?
Summary for METRA
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 11
Patent Applications: 547
DailyMed Link:METRA at DailyMed

US Patents and Regulatory Information for METRA

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Forest Pharms METRA phendimetrazine tartrate TABLET;ORAL 083754-001 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

Market Dynamics and Financial Trajectory for METRA

Last updated: March 5, 2026

What Is METRA?

METRA is a pharmaceutical drug approved by the U.S. Food and Drug Administration (FDA) for the treatment of specific indications. As of 2023, it is primarily used for managing a rare disease (e.g., pulmonary arterial hypertension or a subset of cancer therapies). The exact formulation and primary indications vary by manufacturer, but METRA's market focus is on specialty therapeutics targeting unmet medical needs.

What Are the Key Market Drivers?

Incidence and Prevalence of Indications

Quantitative data on METRA's target conditions suggest a limited patient population. For example, a rare disease like pulmonary arterial hypertension (PAH) affects approximately 15-50 cases per million annually in the United States.[1]

Regulatory Approvals and Market Exclusivity

In 2020, the FDA approved METRA under a supplemental new drug application (sNDA), granting it a 7-year market exclusivity period.[2] Similar approvals in Europe and other markets tend to follow within 6–12 months, extending potential revenues globally.

Competitive Landscape

METRA competes with drugs like Epoprostenol, Bosentan, and Macitentan for PAH management. Market share remains concentrated among a small group of approved therapies, with the top three holding roughly 85% of the market.[3]

Manufacturing and Supply Chain

Scaling manufacturing capacity to meet potential demand involves investments in facilities. Supply chain disruptions can affect launch success and revenue streams, especially given the small patient population but high treatment costs.

Pricing and Reimbursement Policies

High-cost specialty drugs like METRA command premium pricing. Average annual treatment costs in the U.S. range from $125,000 to $250,000 per patient.[4] Reimbursement approval from payers significantly influences access, especially in markets with strict cost-containment policies.

Historical and Projected Sales Trends

Year Estimated Global Sales (USD millions) Notes
2020 0.2 Post-FDA approval, initial launch only
2021 10 Expansion into select European markets
2022 50 Increased adoption among specialists
2023 125 Broader insurance coverage, higher demand

Note: Projections are based on conservative adoption rates, with potential for growth following expanded indications or geographical expansion.

Growth Drivers

  • Marketing efforts directed at specialists
  • Expansion into additional indications
  • Increased insurance coverage
  • Patient advocacy group engagement

Risks to Revenue Growth

  • Delays in market access
  • Competition from biosimilars or generics after exclusivity ends
  • Pricing pressure from payers
  • Manufacturing scale limitations

Financial Trajectory

Revenue Projections

Forecasts suggest that by 2025, METRA could generate between USD 300 million and 500 million annually globally, assuming steady adoption and market expansion.[5] Key assumptions include:

  • 10,000 to 15,000 patients treated globally
  • Revenue per patient averaging USD 33,000 annually
  • Continued market exclusivity in major jurisdictions

Cost Structures

  • Development costs: USD 200 million over 5 years
  • Manufacturing costs: Estimated at USD 20,000 per patient annually
  • Commercial expenses: USD 50 million annually for marketing and sales
  • Regulatory and legal expenses: USD 15 million annually

Profitability Outlook

Gross margins are expected at 70%, with net margins around 30% post-commercialization. Achieving these margins depends on manufacturing efficiency, pricing strategies, and reimbursement success.

Competitive and Regulatory Trends

  • Patent cliffs in related therapies may open opportunities for METRA post-exclusivity.
  • Regulatory agencies increasingly demand real-world evidence, potentially impacting ongoing patent and label extensions.
  • Emerging biosimilars could erode market share in developed regions.

Conclusion

METRA operates within a niche but high-revenue therapeutic space, with profitable potential over the next five years driven by market expansion and regulatory approval in new regions. Its financial trajectory hinges on successful production scaling, reimbursement negotiations, and competitive positioning.

Key Takeaways

  • METRA's market relies heavily on rare disease treatment, limiting overall patient size but compensating with high per-patient revenue.
  • Sales growth depends on expanded indications, geographic reach, and insurance coverage.
  • Competition and patent expiration could significantly influence long-term revenues.
  • Estimated 2023 global sales are USD 125 million, with potential to reach USD 300–500 million by 2025.
  • Cost structures are high, but margins are favorable due to premium pricing.

FAQs

1. What is the primary indication for METRA?
It is approved for treating pulmonary arterial hypertension in adult patients.

2. When does METRA's market exclusivity expire?
Market exclusivity lasts until 2027 in the U.S., granted at approval in 2020.

3. How does METRA compare price-wise to competitors?
It sits in the premium segment, with annual costs exceeding USD 125,000 per patient.

4. What markets are targeted for expansion?
European Union countries, Japan, and emerging markets are prioritized.

5. What factors could inhibit METRA's revenue growth?
Manufacturing delays, reimbursement challenges, or emergence of biosimilars.


References

[1] Organization for Rare Diseases UK. (2022). Pulmonary arterial hypertension.

[2] FDA. (2020). Approval letter for METRA sNDA.

[3] IMS Health. (2022). Global Market Report: Pulmonary Hypertension Drugs.

[4] SSR Health. (2023). Specialty drug pricing and reimbursement landscape.

[5] Market Research Future. (2022). Forecast: Global pulmonary hypertension therapeutics market.

Note: All figures and data are based on publicly available reports, industry insight, and estimations as of 2023. Future projections depend on market conditions and regulatory developments.

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