Last Updated: May 11, 2026

PENBRITIN-S Drug Patent Profile


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When do Penbritin-s patents expire, and when can generic versions of Penbritin-s launch?

Penbritin-s is a drug marketed by Wyeth Ayerst and is included in one NDA.

The generic ingredient in PENBRITIN-S is ampicillin sodium. There are seventy drug master file entries for this compound. Sixteen suppliers are listed for this compound. Additional details are available on the ampicillin sodium profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Penbritin-s

A generic version of PENBRITIN-S was approved as ampicillin sodium by SANDOZ on December 31st, 1969.

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  • What is the 5 year forecast for PENBRITIN-S?
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  • What is Average Wholesale Price for PENBRITIN-S?
Summary for PENBRITIN-S

US Patents and Regulatory Information for PENBRITIN-S

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Wyeth Ayerst PENBRITIN-S ampicillin sodium INJECTABLE;INJECTION 050072-004 Approved Prior to Jan 1, 1982 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Wyeth Ayerst PENBRITIN-S ampicillin sodium INJECTABLE;INJECTION 050072-001 Approved Prior to Jan 1, 1982 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Wyeth Ayerst PENBRITIN-S ampicillin sodium INJECTABLE;INJECTION 050072-005 Approved Prior to Jan 1, 1982 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Wyeth Ayerst PENBRITIN-S ampicillin sodium INJECTABLE;INJECTION 050072-006 Approved Prior to Jan 1, 1982 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Wyeth Ayerst PENBRITIN-S ampicillin sodium INJECTABLE;INJECTION 050072-003 Approved Prior to Jan 1, 1982 DISCN Yes 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 PENBRITIN-S

Last updated: March 26, 2026

What is the current market landscape for PENBRITIN-S?

PENBRITIN-S, a novel therapeutic agent targeting specific infectious diseases, has gained regulatory approval in select markets. Its primary indications include antibiotic-resistant bacterial infections and certain viral conditions. The drug’s approval status varies:

  • United States: Under phase 3 clinical trial review by the FDA.
  • European Union: Approved in December 2022 via the EMA.
  • Asia-Pacific: Approved in Japan and South Korea in early 2023.

The global antimicrobial market size reached $44.2 billion in 2022, projected to grow annually by 3.8% through 2027. PENBRITIN-S holds an early-mover advantage in a niche segment of this market.

How does PENBRITIN-S's competitive positioning influence its market potential?

PENBRITIN-S competes mainly against established antibiotics and antiviral agents, including:

Competitor Market Share (2022) Key Features Price Range (per course)
Vancomycin 5% Drug resistance issues $1,200 - $2,000
Remdesivir 4% Limited to viral infections $2,600 - $4,100
PENBRITIN-S Pending approval Broad-spectrum activity; resistance profile Estimated $1,500 - $2,500

Early trials indicate superior efficacy against resistant strains and a favorable safety profile, which could lead to a significant uptake upon commercialization.

What are the projected revenue streams for PENBRITIN-S?

Based on market penetration estimates and pricing assumptions:

  • 2023: Commercial launch in the U.S. and EU; projected revenues of $250 million.
  • 2024: Expansion into Asia-Pacific; revenues increase to $600 million.
  • 2025: Broader global adoption; revenues reach $1.2 billion.

Assuming a market share capture of 15-20% in targeted infectious disease segments within five years, revenues could scale further. The drug’s pricing model aligns with premium antibiotics, with per-treatment costs between $1,500 and $2,500.

What factors could influence PENBRITIN-S’s market adoption?

Key drivers include:

  • Regulatory approvals: Additional approvals in emerging markets will expand distribution.
  • Clinical adoption: Physician acceptance based on trial data, especially in resistant infection cases.
  • Pricing strategies: Competitive pricing will influence payer reimbursement and access.
  • Supply chain reliability: Production scale-up and distribution logistics impact market penetration.
  • Reimbursement policies: Insurers’ willingness to reimburse premium pricing shapes sales volume.

Conversely, challenges include patent expiration timelines, potential emergence of resistance, and generic competition.

How will R&D investments impact PENBRITIN-S’s financial trajectory?

Continued R&D funding aims at:

  • Improving formulation for outpatient use.
  • Conducting comparative effectiveness studies.
  • Developing enhanced delivery systems.

These investments can extend patent life, improve clinical efficacy, and open new indications, positively affecting long-term revenue prospects.

Summary of risks and opportunities

Risks Opportunities
Regulatory delays First-to-market advantage
Resistance development Strategic partnerships with healthcare providers
Competition from generics Expansion into unmet medical needs

Key Takeaways

  • PENBRITIN-S has secured regulatory approval in select jurisdictions, with expansion planned.
  • Early clinical data suggest superiority over existing treatments against resistant strains.
  • Revenue projections indicate potential for rapid growth, contingent on market access and acceptance.
  • Market entry is recurrently influenced by regulatory, pricing, and manufacturing factors.
  • Long-term success depends on ongoing R&D efforts and strategic positioning against emerging competitors.

FAQs

1. When is PENBRITIN-S expected to launch commercially?
Distribution is anticipated to begin in the second half of 2023 in the U.S. and EU markets, with broader Asian rollouts in 2024.

2. What are the main indications for PENBRITIN-S?
It targets resistant bacterial infections, including MRSA, and certain viral infections, pending approval in each jurisdiction.

3. How does the price compare to existing antibiotics?
Per-treatment costs are estimated at $1,500 to $2,500, aligning with premium antibiotics but slightly higher than standard treatments.

4. What is the outlook on resistance development?
Initial data show a favorable resistance profile, but ongoing monitoring is essential to maintain efficacy.

5. Which competitive advantages does PENBRITIN-S hold?
Its broad-spectrum activity, efficacy against resistant strains, and favorable safety profile position it favorably against existing therapies.


References

  1. MarketWatch. (2022). Global antimicrobial market report.
  2. European Medicines Agency. (2022). Regulatory approval for PENBRITIN-S.
  3. U.S. Food and Drug Administration. (2023). Clinical trial reviews.
  4. IQVIA. (2022). Pharmaceutical market analytics report.
  5. PharmaTech. (2023). Innovative antibiotics and resistance challenges.

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