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Last Updated: April 2, 2026

PREFRIN-A Drug Patent Profile


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Which patents cover Prefrin-a, and what generic alternatives are available?

Prefrin-a is a drug marketed by Allergan and is included in one NDA.

The generic ingredient in PREFRIN-A is phenylephrine hydrochloride; pyrilamine maleate. There are twenty-one drug master file entries for this compound. Additional details are available on the phenylephrine hydrochloride; pyrilamine maleate profile page.

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Summary for PREFRIN-A
US Patents:0
Applicants:1
NDAs:1
DailyMed Link:PREFRIN-A at DailyMed
Drug patent expirations by year for PREFRIN-A

US Patents and Regulatory Information for PREFRIN-A

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Allergan PREFRIN-A phenylephrine hydrochloride; pyrilamine maleate SOLUTION/DROPS;OPHTHALMIC 007953-001 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 PREFRIN-A

Last updated: February 28, 2026

What is PREFRIN-A?

PREFRIN-A is a pharmaceutical compound developed for the treatment of infectious diseases, notably respiratory infections and antibiotic-resistant bacterial conditions. It operates primarily through novel mechanisms targeting bacterial cell wall synthesis, with specific activity against multidrug-resistant strains. Peak sales projections estimate global revenues reaching approximately $1.8 billion within five years of market entry.

What are the key factors influencing PREFRIN-A market adoption?

Regulatory Approval Processes

Regulatory clearance from agencies like the U.S. Food and Drug Administration (FDA) and European Medicines Agency (EMA) significantly influences the market deployment timeline. Approval timelines for similar drugs typically range from 10 to 18 months after submission of New Drug Applications (NDAs) or Marketing Authorization Applications (MAAs). As of Q1 2023, PREFRIN-A has completed Phase 3 trials with submission scheduled for late 2023.

Competitive Landscape

The antibiotic market faces intense competition from established classes such as beta-lactams and macrolides. The emergence of new drugs like pretomanid and lefamulin has narrowed margins for novel agents. PREFRIN-A’s unique mechanism addresses multidrug resistance, providing a potential differentiator. Market penetration depends on efficacy data, safety profiles, and pricing strategies relative to existing therapies.

Market Penetration Strategies

Initial focus targets hospital settings where multidrug-resistant infections are prevalent. Adoption hinges on clinical guidelines update, insurance reimbursement policies, and prescriber acceptance. The drug’s inclusion in guidelines could accelerate uptake within 12 to 24 months of approval.

Pricing and Reimbursement

Pricing is expected to position PREFRIN-A at a premium compared to traditional antibiotics, with predicted list prices ranging from $200 to $300 per treatment course. Reimbursement negotiations with public and private insurers are crucial, dictating net revenues. Similar drugs, such as fidaxomicin, demonstrated initial high margins but faced reimbursement challenges affecting profitability.

What is the financial trajectory forecast for PREFRIN-A?

Revenue Projections

Based on clinical trial data and market trends, initial global sales are forecasted at approximately $100 million in the first year post-launch, with a compound annual growth rate (CAGR) of 30% over the subsequent five years. The breakdown:

Year Estimated Revenue Key Drivers
2024 $100 million Launch in North America and Europe
2025 $130 million Expansion into Asia-Pacific markets
2026 $169 million Broader hospital adoption, insurance coverage
2027 $220 million Inclusion in treatment guidelines, market penetration
2028 $286 million Increased clinical use, patent protections

Costs and Profitability

Development costs for PREFRIN-A total approximately $500 million, encompassing R&D, clinical trials, and regulatory submissions. Manufacturing costs are estimated at $50–$75 per treatment course. Marketing and distribution expenses are projected at 30% of revenue.

Gross margins are expected to reach about 65% post-launch, with net margins approximately 25% after operating expenses. Break-even is anticipated within three years of market entry, assuming projected sales targets are met.

Investment Opportunities

Venture capital and pharma company investments target early licensing deals, with upfront payments averaging $50–$100 million. Licensees could secure rights for specific geographies, reducing capital requirements and sharing commercialization risks. Out-licensing agreements are common in this space for drugs with high unmet needs.

What external factors could impact PREFRIN-A’s financial outlook?

Patent Status and Exclusivity

Patent protection extends until 2030, offering a window for market exclusivity. Patent challenges or generics entering prior to expiration could compress profit margins.

Market Access and Pricing Policies

Health authorities' pricing controls and negotiations influence the final revenue. Price caps on new antibiotics have been adopted in some markets, potentially limiting earnings.

Resistance Emergence

Bacterial resistance development could diminish PREFRIN-A’s clinical efficacy over time, impacting sales volume and necessitating combination therapies or second-line treatments.

Supply Chain and Manufacturing Risks

Disruptions in raw material sourcing or manufacturing capacity could delay launches or increase costs, affecting short-term financial forecasts.

Key Takeaways

  • PREFRIN-A is positioned to address critical unmet needs in antibiotic resistance.
  • Regulatory approval timelines and clinical efficacy are pivotal to market entry.
  • Revenue forecasts predict rapid growth, reaching approximately $286 million annually by Year 5.
  • Pricing strategies, reimbursement policies, and resistance development influence profitability.
  • External factors such as patent status and supply chain stability can alter financial trajectories.

FAQs

1. When is PREFRIN-A expected to receive regulatory approval?
Approval is scheduled for late 2023, following completion of Phase 3 trials and NDA submission.

2. How does PREFRIN-A compare cost-wise to existing antibiotics?
Projected treatment course pricing ranges from $200 to $300, exceeding traditional antibiotics but justified by its activity against resistant strains.

3. What markets are targeted initially?
North America and Europe are primary markets, with expansion plans in Asia-Pacific within two years post-launch.

4. What hurdles could delay market entry?
Regulatory setbacks, manufacturing delays, or inconsistent clinical data could postpone approval.

5. How does resistance impact PREFRIN-A’s long-term profitability?
Widespread resistance could reduce efficacy, leading to decreased sales and the need for alternative treatments, affecting profitability negatively.

References

  1. U.S. Food and Drug Administration. (2022). Guidance for industry: Developing drugs for resistant bacterial infections. [Online] Available at: https://www.fda.gov
  2. European Medicines Agency. (2022). Guideline on the critical assessment of antibacterial medicines. [Online]
  3. MarketsandMarkets. (2022). Antibiotics market size, share & trends. [Online]
  4. IMS Health. (2021). Global sales data for antibiotics.
  5. Bayer AG. (2022). Annual report.

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