Last Updated: August 3, 2026

CEFMETAZOLE SODIUM - Generic Drug Details


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What are the generic sources for cefmetazole sodium and what is the scope of patent protection?

Cefmetazole sodium is the generic ingredient in two branded drugs marketed by Pharmacia And Upjohn and is included in two NDAs. Additional information is available in the individual branded drug profile pages.

There are two drug master file entries for cefmetazole sodium.

Summary for CEFMETAZOLE SODIUM
US Patents:0
Tradenames:2
Applicants:1
NDAs:2
Drug Master File Entries: 2
Raw Ingredient (Bulk) Api Vendors: 50
DailyMed Link:CEFMETAZOLE SODIUM at DailyMed
Medical Subject Heading (MeSH) Categories for CEFMETAZOLE SODIUM

US Patents and Regulatory Information for CEFMETAZOLE SODIUM

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Pharmacia And Upjohn ZEFAZONE cefmetazole sodium INJECTABLE;INJECTION 050637-002 Dec 11, 1989 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Pharmacia And Upjohn ZEFAZONE IN PLASTIC CONTAINER cefmetazole sodium INJECTABLE;INJECTION 050683-001 Dec 29, 1992 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Pharmacia And Upjohn ZEFAZONE IN PLASTIC CONTAINER cefmetazole sodium INJECTABLE;INJECTION 050683-002 Dec 29, 1992 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

Cefmetazole Sodium: Market Dynamics and Financial Trajectory

Last updated: April 26, 2026

Cefmetazole sodium is a cephalosporin antibiotic with commercialization concentrated in markets that support hospital-administered IV therapy. Global revenue is constrained by (1) competitive pressure from newer cephalosporins and carbapenems in severe Gram-negative infections, (2) antimicrobial stewardship and guideline shifts that limit broad-spectrum use, and (3) a mature patent landscape in most jurisdictions. The financial trajectory therefore trends toward volume stability with value compression, supported primarily by hospital formulary retention in specific regional markets rather than rapid share gains.

Where does cefmetazole sodium sit in the competitive landscape?

What therapeutic role does it play

Cefmetazole sodium is an injectable second-generation cephalosporin used for bacterial infections requiring parenteral therapy, typically in Gram-negative susceptible indications. Its market position is defined by:

  • Hospital usage for empiric or targeted treatment where local resistance patterns and formularies align.
  • Procurement through national or regional tenders where price is the binding factor.
  • Competitive substitution by agents with broader spectrum and stronger guideline alignment for severe infections.

How competitors pressure pricing and share

Competitive dynamics come from both within-class and out-of-class substitution:

Competitive source Mechanism of pressure Expected impact on cefmetazole sodium
Newer cephalosporins (higher spectrum or dosing convenience) Formularies update to reduce variability and resistance risk Volume share pressure
Carbapenems (for high-risk ESBL contexts) Stewardship protocols direct severe cases to carbapenems Indication cannibalization in severe Gram-negative infections
Combination therapies and alternatives Protocol-driven switching Reduced average duration of cefmetazole lines

Net effect: cefmetazole’s value proposition becomes incremental rather than differentiating, pushing the product toward procurement-driven purchasing.

What are the market dynamics shaping demand?

Hospital procurement and tender pricing

Cefmetazole sodium demand is dominated by institutional procurement. That structure produces:

  • Lower willingness to pay versus branded, ambulatory drugs.
  • Recurring price resets when tenders renew.
  • Volume stability only when procurement teams maintain consistent clinical performance and availability.

Antimicrobial stewardship reduces discretionary use

Antimicrobial stewardship programs typically tighten:

  • Empiric breadth selection
  • De-escalation pathways
  • Duration limits

This reduces growth from new prescriber adoption and redirects use toward narrow, guideline-aligned cases. For older broad-spectrum cephalosporins, this usually means:

  • Slower growth
  • Faster margin compression when generics proliferate

Resistance patterns determine formulary survival

Cefmetazole use depends on local susceptibility data. In regions where resistance erodes Gram-negative coverage, hospitals shift to alternatives. In regions with stable susceptibility, cefmetazole maintains:

  • Continued formulary placement
  • Periodic batch-to-batch purchasing continuity

The financial implication is a “regionalization” of demand: market performance becomes more dependent on local epidemiology than on global brand expansion.

How does the patent and generic structure affect the financial trajectory?

Mature IP landscape and generic substitution

Cefmetazole sodium is widely treated as a mature, largely generic-available antibiotic in many jurisdictions. This creates a default trajectory:

  • Branded premium erodes quickly after market entry of competitors.
  • Price is capped by the lowest viable tender bid.
  • Financials track utilization and pricing rather than innovation-led growth.

Resulting revenue profile

Given generic competition, the typical revenue mechanics for cefmetazole sodium are:

  • Revenue = tendered unit price x institutional volumes
  • Unit price decreases as additional suppliers enter or as capacity expands
  • Volumes stabilize if clinical uptake remains stable in compliant settings

This produces an overall pattern of plateauing volumes and downward price trend.

What is the most likely financial trajectory by time horizon?

Near term (1 to 3 years): stable volumes, margin compression

The near-term outlook is driven by institutional procurement cycles and stewardship-driven prescribing constraints:

  • Volumes remain steady where cefmetazole stays on hospital formularies.
  • ASPs (average selling prices) drift down as multiple suppliers participate in tenders.
  • Gross margin tightens due to price competition.

Mid term (3 to 7 years): consolidation and pricing floor behavior

Over multiple tender cycles and supplier rationalizations:

  • Some manufacturers exit less profitable lanes, creating localized price floors.
  • Net revenue is more stable but does not revert to branded-like pricing.
  • Substitution risk persists in severe infection pathways where broader-spectrum agents gain guideline support.

Long term (7+ years): dependence on institutional retention and resistance stability

Long-horizon financial performance is primarily a function of:

  • Continued hospital formulary inclusion for relevant indications
  • Local resistance patterns that preserve susceptibility
  • Ongoing generic availability

In this phase, growth is limited. Earnings depend on efficient procurement logistics and manufacturing cost control rather than demand creation.

How do reimbursement and regulations translate into revenue outcomes?

Reimbursement mechanics

For hospital antibiotics, reimbursement frameworks typically:

  • Cover drug costs through bundled or facility reimbursement
  • Reduce the role of patient-level pricing incentives

That means:

  • Market access is less about coverage negotiations and more about tender participation and clinical inclusion.
  • Adoption shifts when hospital procurement committees update standard treatment protocols.

Quality and supply assurance

Regulatory and quality requirements in sterile injectables create barriers to entry. That can support a supply base that remains smaller than the theoretical number of generic suppliers, but it does not restore premium pricing. It mainly:

  • Reduces tail-risk of stockouts for incumbents
  • Sustains supply competitiveness rather than brand pricing power

What are the key commercial levers that determine performance?

Formulary placement

Cefmetazole’s market share is strongly influenced by whether it is:

  • Listed on hospital antibiotic formularies
  • Included in empiric and de-escalation pathways consistent with local guidelines
  • Used in protocols for specific infection types

Tender execution and pricing discipline

Given mature competition, revenue outcomes depend on:

  • Bid competitiveness across regional tenders
  • Manufacturing scale and cost per batch
  • Reliability of lead times and supply continuity

Clinical evidence alignment

Cefmetazole performance in local susceptibility contexts drives:

  • Continued prescribing for susceptible organisms
  • De-emphasis where resistance reduces effectiveness

What does a financial model likely look like for cefmetazole sodium?

Revenue drivers

A practical, business-relevant decomposition:

Driver Directional impact Why it matters for cefmetazole
Tender price Downward Multiple suppliers and procurement cost pressure
Unit volumes Flat to down Stewardship limits broadened empiric use
Market coverage Regionalized Adoption tracks local guidelines and resistance
Cost of goods Mixed Scale can offset price declines; energy and compliance costs vary

Earnings sensitivity

Because R&D risk is low relative to new chemical entities and IP is mature, earnings sensitivity is highest to:

  • Price realization at tender level
  • Manufacturing yield and supply disruptions
  • Competitive intensity per region

How do global market dynamics map to expected country performance?

Where demand tends to persist

Cefmetazole sodium typically holds up best where:

  • Hospital antibiotic policies maintain use in defined infections
  • ESBL prevalence or resistance patterns still allow cefmetazole susceptibility
  • Procurement practices reward reliability and consistent supply

Where demand is most vulnerable

Demand typically weakens where:

  • Severe Gram-negative infections shift toward carbapenems
  • Resistance reduces effective spectrum
  • New treatment protocols eliminate cefmetazole from standard pathways

Is cefmetazole sodium a growth product or a defensive asset?

It is primarily a defensive institutional antibiotic. The financial trajectory is characterized by:

  • Defensive revenue anchored in hospital retention rather than patient growth
  • Offensive differentiation limited by generic competition and mature IP
  • Defensive margin requiring operational efficiency and tender discipline

Investors and business planners should treat it as a cash-flow management category, not a platform growth bet.

Key Takeaways

  • Cefmetazole sodium’s market is dominated by hospital procurement, where tenders and institutional protocols control demand.
  • Generic competition and mature IP drive value compression, shifting the financial trajectory toward volume stability with pricing pressure.
  • Antimicrobial stewardship and guideline updates constrain discretionary use and increase substitution risk in severe infections.
  • Longer-term performance depends on regional resistance patterns and continued formulary inclusion, not on product innovation.

FAQs

1) What primarily drives cefmetazole sodium revenue?

Tender-driven hospital procurement and formulary inclusion for IV antibiotic pathways.

2) Why does cefmetazole sodium typically face margin compression?

Competitive bids from multiple suppliers and generic availability cap pricing power.

3) How do stewardship programs affect cefmetazole sodium demand?

They limit broad empiric prescribing and steer severe cases toward alternative therapies, reducing potential growth.

4) What is the biggest swing factor for cefmetazole sodium in a given region?

Local antimicrobial resistance patterns that determine whether cefmetazole remains reliably effective.

5) Is cefmetazole sodium more defensive or growth-oriented?

Defensive, with revenue tied to institutional retention and operational execution rather than innovation-led expansion.

References

[1] DrugBank. “Cefmetazole.” https://go.drugbank.com/ (accessed 2026-04-26).
[2] European Medicines Agency (EMA). “Cefmetazole” product information and assessment materials as available in EMA databases. https://www.ema.europa.eu/ (accessed 2026-04-26).
[3] U.S. Food and Drug Administration (FDA). Antimicrobial drug labeling and stewardship-related guidance references applicable to cephalosporin prescribing. https://www.fda.gov/ (accessed 2026-04-26).
[4] Centers for Disease Control and Prevention (CDC). Antimicrobial resistance and stewardship guidance relevant to antibiotic use optimization. https://www.cdc.gov/ (accessed 2026-04-26).

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