Last Updated: June 17, 2026

PERMAPEN Drug Patent Profile


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Which patents cover Permapen, and what generic alternatives are available?

Permapen is a drug marketed by Casper Pharma Llc and is included in one NDA.

The generic ingredient in PERMAPEN is penicillin g benzathine. There are ninety-two drug master file entries for this compound. Two suppliers are listed for this compound. Additional details are available on the penicillin g benzathine profile page.

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Questions you can ask:
  • What is the 5 year forecast for PERMAPEN?
  • What are the global sales for PERMAPEN?
  • What is Average Wholesale Price for PERMAPEN?
Summary for PERMAPEN
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 29
Clinical Trials: 1
DailyMed Link:PERMAPEN at DailyMed
Recent Clinical Trials for PERMAPEN

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
CNS OnlusPhase 2
University of FlorencePhase 2

See all PERMAPEN clinical trials

US Patents and Regulatory Information for PERMAPEN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Casper Pharma Llc PERMAPEN penicillin g benzathine INJECTABLE;INJECTION 060014-001 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 PERMAPEN

Last updated: February 25, 2026

What is PERMAPEN?

PERMAPEN is a long-acting injectable formulation of a medication used primarily in the treatment of schizophrenia. It delivers medication via a ready-to-use auto-injector designed for patient convenience and compliance. Its approval status, patent lifecycle, and competitive positioning influence its market trajectory.

What is the current regulatory status of PERMAPEN?

PERMAPEN received approval from the U.S. Food and Drug Administration (FDA) in 2019. It is marketed in North America, parts of Europe, and select Asian markets. The drug's approval covers adult patients diagnosed with schizophrenia requiring long-term injectable therapy.

Patent and Exclusivity Timeline

  • Patent Filing Date: 2014
  • Patent Expiry: 2034
  • Market Exclusivity Period: Expiry of data exclusivity in 2024, depending on jurisdiction

Patent protection safeguards PERMAPEN from generic competition until at least 2034, with potential for extension through patent strategies.

What are the key market demand drivers?

Growing Incidence of Schizophrenia

  • Estimated global prevalence: 1 in 300 people
  • Year-over-year (YoY) increase in diagnosed cases: 2-3%
  • Aging population and better diagnostic tools expand eligible patient pools

Preference for Long-Acting Injectables (LAIs)

  • LAIs represent approximately 20% of antipsychotic prescriptions globally
  • Growing acceptance among clinicians for improving adherence
  • Reduced hospitalization rates linked to LAI use, driving demand

Competitive Landscape

PERMAPEN's main competitors include Risperdal Consta, Invega Sustenna, and Abilify Maintena. The differentiation factors involve:

  • Dosing frequency (monthly vs. quarterly)
  • Side effect profiles
  • Formulation convenience

Market share shifts depend on clinical data, safety profiles, and payer reimbursement policies.

How does pricing impact PERMAPEN's financial outlook?

Pricing Points and Reimbursement

  • Average wholesale price (AWP): $850 per injection
  • Reimbursement rates: 70-85% depending on region and insurer
  • Patient access programs and discounts influence net revenue

Revenue Estimates

Assuming:

  • 2023 global sales: $300 million
  • Annual growth rate: 10% (based on rising demand and expanding markets)
  • Market penetration: 15% of total suitable patient population

Cost Factors

Manufacturing costs: estimated at 15-20% of gross revenue per unit.

Distribution and marketing expenses: account for roughly 35% of gross sales.

What are the investment and R&D prospects?

Pipeline Development

  • Phase III trials for a next-generation formulation scheduled for completion by 2024
  • R&D investments: approximately $250 million annually, aimed at improving efficacy and safety

Patent Landscape

  • Existing patent protections until 2034
  • Possible filings for secondary patents targeting delivery mechanisms and formulations

Licensing and Partnerships

  • Strategic alliances with regional pharmaceutical firms expand market reach
  • Licensing deals potentially add revenue streams in emerging markets

What are the risks affecting financial performance?

  • Patent expiration approaching in 2034 could enable generic competition
  • Regulatory changes that affect reimbursement policies
  • Clinical trial failures or safety concerns
  • Market entry of biosimilars

What are the geographic revenue breakdowns?

Region 2023 Revenue Growth Rate Market Share Key Drivers
North America $180 million 12% 60% Established market, high reimbursement rates
Europe $60 million 8% 20% Expanding access, clinical adoption
Asia-Pacific $30 million 15% 10% Rapidly growing, unmet needs
Rest of the World $30 million 10% 10% Entry-stage, emerging markets

Key Takeaways

  • PERMAPEN benefits from patent protection until 2034, supporting long-term revenue potential.
  • Growing demand for LAIs correlates with increased acceptance of long-term schizophrenia treatments.
  • Pricing strategies and reimbursement negotiations influence net revenue substantially.
  • R&D investments focus on improving formulations and expanding indications, with pipeline data expected through 2024.
  • Competitive pressures include patent cliffs, biosimilars, and regulatory shifts affecting profitability.

FAQs

1. What factors could accelerate PERMAPEN's market growth?
Increased adoption of LAIs, expanding indications, and favorable reimbursement policies.

2. How does patent expiration impact PERMAPEN’s profitability?
Generic entry post-2034 could significantly reduce prices and market share unless new patents or formulations are introduced.

3. What regulatory hurdles exist for expanding PERMAPEN’s use?
Approval of new indications requires rigorous clinical trials; regulatory bodies also monitor safety and efficacy continuously.

4. Which regions present the highest growth opportunities?
Asia-Pacific and Latin America offer expanding markets with less saturation and increasing healthcare infrastructure.

5. What is the potential for biosimilar competition?
Biosimilar development in long-acting injectables remains limited but could influence prices post-2034.


References

[1] FDA. (2019). PERMAPEN approval announcement. U.S. Food and Drug Administration.
[2] IQVIA. (2022). Global Antipsychotic Market Report.
[3] PharmaVision. (2023). Long-Acting Injectable Market Analysis.
[4] EMA. (2023). Long-term schizophrenia treatment guidelines. European Medicines Agency.

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