Last Updated: June 25, 2026

POLYCILLIN-N Drug Patent Profile


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Which patents cover Polycillin-n, and when can generic versions of Polycillin-n launch?

Polycillin-n is a drug marketed by Bristol and is included in one NDA.

The generic ingredient in POLYCILLIN-N 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 Polycillin-n

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

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Summary for POLYCILLIN-N
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 76
DailyMed Link:POLYCILLIN-N at DailyMed

US Patents and Regulatory Information for POLYCILLIN-N

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Bristol POLYCILLIN-N ampicillin sodium INJECTABLE;INJECTION 050309-004 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Bristol POLYCILLIN-N ampicillin sodium INJECTABLE;INJECTION 050309-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Bristol POLYCILLIN-N ampicillin sodium INJECTABLE;INJECTION 050309-005 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

POLYCILLIN-N Market Dynamics and Financial Trajectory: Pricing, Demand Drivers, Competition, and Revenue Exposure

Last updated: June 19, 2026

Executive summary: POLYCILLIN-N’s market outlook is dominated by (1) antibiotic demand tied to respiratory and skin infection incidence, (2) price compression from generic and private-label penetration, and (3) regulatory and supply stability for injectable and oral solid formats, with financial trajectory shaped by inventory cycle behavior and tender-driven hospital procurement. No verified, drug-specific financials, FDA/Orange Book status, patent estate, or sales disclosures for POLYCILLIN-N were provided in the input, so a complete, accurate revenue and exclusivity-linked forecast cannot be produced.

Market dynamics for POLYCILLIN-N: what drives demand and pricing?

Answer: For an antibiotic product like POLYCILLIN-N, demand is driven by infection incidence, formulary placement, and regimen preferences in outpatient and hospital settings; pricing is driven by competitive substitution, tender dynamics, and distribution-channel leverage.

What infection indications typically steer outpatient and hospital volume?

Featured snippet: Antibiotic sales generally track treated case volumes in the product’s labeled indication set, with hospital share influenced by IV access, stewardship policies, and local antibiogram patterns.

Key demand vectors usually include:

  • Respiratory tract infection treatment pathways where narrow-spectrum beta-lactams are used.
  • Skin and soft tissue infection empiricism when local sensitivity patterns align.
  • Hospital antibiotic stewardship policies that limit broad-spectrum use and keep narrower agents in rotation.

How do hospital tenders change POLYCILLIN-N’s pricing trajectory?

Hospital procurement for antibiotics typically drives:

  • Short-cycle pricing resets through tenders or contracted distributor pricing.
  • Volume commitments tied to service-level requirements (supply continuity, lead times, packaging compliance).
  • Shifts between formulations (oral vs injectable) when stockouts or procurement preferences occur.

What channel mix effects matter for financial trajectory?

Antibiotics often show a mix shift pattern:

  • Retail volume may grow with outpatient prescribing stability, but margins can compress faster under generic substitution.
  • Hospital volume can be more stable but is exposed to bid-based price drops.
  • Distributor stocking cycles can create quarterly volatility in reported sales.

Competitive landscape for POLYCILLIN-N: how strong is generic and branded substitution pressure?

Answer: Antibiotics with established manufacturing footprints face high substitution pressure, usually from multiple generics and relabeled equivalents; competitive intensity increases as formulary status erodes or as procurement favors lowest net price.

Which competitors typically overlap with POLYCILLIN-N?

A complete competitor map requires the active ingredient, strength, dosage form(s), and label. Those details are not provided, so competitor identifiers cannot be listed accurately.

How does price competition usually flow through to margins?

For antibiotics, gross margin pressure tends to follow:

  • Net price declines faster than cost-of-goods reduction.
  • Margin dilution from higher rebate/chargeback intensity and tender rebates.
  • Working-capital strain if distributors push inventory into the channel or if lead-time mismatches occur.

What role does supply continuity play in switching?

Antibiotic procurements are sensitive to:

  • Manufacturing disruptions and batch release delays.
  • Regulatory holds or quality deviations that force substitution to alternative brands/generics.
  • Storage and logistics constraints for injectable formats.

Pricing and profitability trajectory for POLYCILLIN-N: what happens to gross margin and net revenue over time?

Answer: The financial path for a mature antibiotic generally trends toward lower unit pricing over time, with net revenue growth only possible if volume expands or if mix shifts to higher-value formats.

What are the usual stages in a drug’s financial life cycle for antibiotics?

For many older antibiotic brands:

  1. Early growth: specialty uptake and formulary adoption.
  2. Plateau: stabilization of utilization but increasing competitive pressure.
  3. Compression: generic entry and procurement-driven price resets.
  4. Rationalization: channel consolidation, reduced brand support, and greater dependency on hospital contracts.

Which mix factors can offset pricing pressure?

Common offset levers include:

  • Mix shift to injectable where hospital contracts prefer continuity of supply.
  • Use of pack-size or presentation advantages that align with ward dispensing workflows.
  • Availability advantages during supply disruptions of competitors.

FDA and regulatory trajectory for POLYCILLIN-N: does approval status affect commercialization?

Answer: Regulatory status affects market access through label scope, substitution rules, and pharmacy/hospital stocking behavior. A product’s FDA route, labeling maturity, and any bioequivalence or interchangeability data can materially affect competitive dynamics.

What Orange Book status matters for a branded antibiotic?

For US generics, Orange Book listings drive generic eligibility and substitution timelines. A precise assessment requires POLYCILLIN-N’s active ingredient and FDA application details, which are not provided.

How do stewardship and prescribing guidance affect realized demand?

Antibiotic stewardship programs influence:

  • Prescriber preferences toward narrow-spectrum options.
  • Authorization protocols for certain infection severities or failure of first-line therapy.
  • Shifts from oral to IV regimens in inpatient settings and back to oral discharge packs.

Revenue exposure analysis for POLYCILLIN-N: where are the biggest financial risks?

Answer: The primary revenue risks for an antibiotic product are (1) loss of formulary position, (2) net price compression from tendering and generic substitution, (3) supply or quality events, and (4) changes in prescribing volumes from stewardship and local resistance patterns.

Financial risk categories tied to antibiotic markets

  • Net price risk: bid cycles and list-to-net spread erosion.
  • Volume risk: stewardship reductions, payer restrictions, guideline updates.
  • Supply risk: manufacturing downtime, batch rejections, packaging constraints.
  • Regulatory risk: labeling changes that narrow indication usage, or enforcement actions that restrict distribution.

Generic entry and market erosion scenarios for POLYCILLIN-N: what timing would likely matter?

Answer: Generic erosion typically accelerates after the first meaningful substitution wave through pharmacy systems and hospital formularies. The timing depends on patent/exclusivity and FDA approvals, which cannot be evaluated without POLYCILLIN-N’s Orange Book and patent data.

What matters most for launch/erosion in antibiotics?

  • Evidence of interchangeability in pharmacy workflows.
  • Hospital pharmacy committee outcomes.
  • Distributor contract changes tied to price benchmarking.

Manufacturing and IP barriers for POLYCILLIN-N: what could slow competition?

Answer: Barriers are usually strongest where there are proprietary formulation or manufacturing controls, limited quality-by-design reproducibility, or supply constraints.

What manufacturing attributes often determine barriers in antibiotics?

  • Sterility assurance processes for injectables.
  • Impurity profiles and stability windows for oral solids.
  • Scale-up capability and compliance track record for high-volume production.

What does the financial trajectory look like without drug-specific inputs?

Because the input does not provide:

  • active ingredient(s)
  • dosage form(s) (oral, injectable, strengths)
  • FDA application number(s)
  • Orange Book listings
  • patent estate details
  • current pricing, revenue, or market share disclosures

a quantified forecast, timeline, or revenue projection for POLYCILLIN-N cannot be generated while maintaining completeness and accuracy.

Key Takeaways

  • POLYCILLIN-N’s market dynamics are likely governed by tender-driven net pricing, formulary positioning, and antibiotic stewardship-driven volume shifts.
  • Competitive pressure in mature antibiotic categories typically drives unit price declines and margin compression unless mix or supply continuity provides offsets.
  • A credible financial trajectory for POLYCILLIN-N requires drug-specific regulatory and competitive inputs (active ingredient, FDA status, Orange Book/patents, and disclosed sales), which were not included.

FAQs

  1. What factors determine hospital tender outcomes for antibiotic products like POLYCILLIN-N?
  2. How does generic substitution typically change net price versus list price for mature antibiotics?
  3. What stewardship policy shifts most commonly reduce outpatient demand for antibiotics?
  4. How do manufacturing quality events affect antibiotic sales and channel inventory timing?
  5. What metrics best track antibiotic financial trajectory: prescriptions, hospital usage days, or inventory turns?

References

  1. (No sources were provided in the prompt.)

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