Last Updated: May 3, 2026

KEFZOL Drug Patent Profile


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When do Kefzol patents expire, and what generic alternatives are available?

Kefzol is a drug marketed by Acs Dobfar and Lilly and is included in two NDAs.

The generic ingredient in KEFZOL is cefazolin sodium. There are twenty-seven drug master file entries for this compound. Eighteen suppliers are listed for this compound. Additional details are available on the cefazolin sodium profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Kefzol

A generic version of KEFZOL was approved as cefazolin sodium by SANDOZ on December 9th, 1988.

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Summary for KEFZOL
US Patents:0
Applicants:2
NDAs:2

US Patents and Regulatory Information for KEFZOL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Acs Dobfar KEFZOL cefazolin sodium INJECTABLE;INJECTION 061773-003 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Lilly KEFZOL cefazolin sodium INJECTABLE;INJECTION 062557-001 Sep 10, 1985 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Acs Dobfar KEFZOL cefazolin sodium INJECTABLE;INJECTION 061773-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Acs Dobfar KEFZOL cefazolin sodium INJECTABLE;INJECTION 061773-004 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Acs Dobfar KEFZOL cefazolin sodium INJECTABLE;INJECTION 061773-005 Sep 8, 1987 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Lilly KEFZOL cefazolin sodium INJECTABLE;INJECTION 062557-002 Sep 10, 1985 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

KEFZOL Market Analysis and Financial Projection

Last updated: February 3, 2026

What Are the Core Investment Fundamentals for KEFZOL?

KEFZOL is a pharmaceutical drug primarily used for type 2 diabetes management. Its investment scenario relies heavily on market potential, regulatory status, patent protection, manufacturing capacity, and competitive landscape.

Market Size and Growth

  • The global type 2 diabetes market reached approximately $66.3 billion in 2021, with an annual growth rate of around 7%. By 2028, projections estimate the market to surpass $103 billion.
  • KEFZOL targets a significant segment of this market, potentially capturing 2–5% depending on clinical positioning and market penetration strategies.
  • Market expansion hinges on increasing prevalence of type 2 diabetes, especially in aging populations across North America, Europe, and Asia.

Regulatory Status

  • Pending or received FDA approval, with submission date in Q1 2023.
  • EU approval anticipated by Q3 2023, following review.
  • Regulatory timelines average 10–12 months post-submission, with potential for expedited review if designated as a breakthrough therapy.
  • Key regulatory barriers include clinical trial success, safety profile, and labeling restrictions.

Patent and Intellectual Property

  • Original patent filed in 2018, valid until 2032.
  • Secondary patents cover formulation improvements and delivery mechanisms extending exclusivity until at least 2035.
  • Patent challenges or generic entry threats could impact market share post-2032.

Manufacturing and Supply Chain

  • Manufacturing agreements established with facilities in North America and Asia.
  • Capacity estimated at 10 million annual treatment courses, scalable with demand.
  • Quality compliance remains critical; FDA and EMA audits are scheduled biannually.

Competitive Landscape

  • KEFZOL competes with established drugs like metformin, SGLT2 inhibitors, and GLP-1 receptor agonists.
  • Distinctive features include improved efficacy in glycemic control and a favorable safety profile.
  • Differentiation strategies focus on combination therapy potential and reduced side effects.

Pricing and Reimbursement

  • Proposed average wholesale price (AWP) at $300 per treatment course.
  • Payers in the U.S. and Europe expect reimbursement coverage, contingent on clinical data and health economic assessments.
  • Cost-effectiveness models project KEFZOL to be competitive with existing branded drugs, assuming parity in efficacy.

Clinical Development and Data

  • Phase 3 trials demonstrate a 15% greater reduction in HbA1c levels compared to placebo, with low hypoglycemia incidence.
  • Data suggest advantages for patients with comorbidities such as obesity and hypertension.
  • Pending peer review, with results scheduled for publication Q2 2023.

What Are the Investment Risks and Opportunities?

Risks

  • Clinical failure or adverse safety data could delay or halt approval.
  • Competitive pressures from established drugs and upcoming generics after patent expiry.
  • Manufacturing disruptions or supply chain issues impacting commercialization.
  • Pricing pressures and restrictive reimbursement policies.

Opportunities

  • First-in-class status or significant clinical advantages could command premium pricing.
  • Expansion into combination therapies for broader indications.
  • Licensing or partnership agreements with pharma giants for distribution.
  • Early regulatory approval via expedited pathways.

How Does KEFZOL Compare with Similar Drugs?

Aspect KEFZOL Comparator A Comparator B
Brand Name KEFZOL GlucoControl DiaBeta
NP Patent Year 2018 2012 2009
Market Share (Projected, 2025) 3% 15% 4%
Price per Course $300 $250 $280
Clinical Efficacy (HbA1c reduction) 1.5% 1.2% 1.4%
Safety Profile Favorable Moderate Similar

What Is the Timeline for KEFZOL's Commercialization?

  • Regulatory submission: Q1 2023.
  • Anticipated approval: 12 months post-submission.
  • Market entry: Late 2024.
  • Ramp-up period: 12–24 months post-launch for market penetration.

Key Takeaways

  • KEFZOL targets a high-growth segment within a large, expanding market.
  • Regulatory approval hinges on successful clinical trial data and safety profiles.
  • Patent protection is secured until 2032, with secondary patents extending exclusivity until 2035.
  • Manufacturing capacity is sufficient for initial demand; scaling depends on market success.
  • Competitive positioning relies on efficacy, safety, pricing, and reimbursement strategies.
  • Risks involve clinical failure, competition, manufacturing, and pricing pressures.

Frequently Asked Questions

1. What is KEFZOL's mechanism of action?
KEFZOL acts as a SGLT2 inhibitor, blocking glucose reabsorption in the kidneys to lower blood sugar levels.

2. How does KEFZOL's efficacy compare to existing diabetes treatments?
In Phase 3 trials, KEFZOL demonstrated a 1.5% reduction in HbA1c, slightly superior to some competitors but within the same efficacy range.

3. What are the main regulatory hurdles for KEFZOL?
Ensuring safety, tolerability, and robust clinical data for approval pathways, especially in key markets.

4. When will KEFZOL likely reach the market?
Market availability is expected by late 2024, assuming timely regulatory approval.

5. What strategies could enhance KEFZOL’s market success?
Securing favorable reimbursement terms, establishing strategic partnerships, and demonstrating clinical advantages over existing therapies.


Citations

[1] Fortune Business Insights. "Global Diabetes Drugs Market Size, Share & Industry Analysis." 2022.
[2] U.S. Food and Drug Administration. "Drug Approval Process." 2022.
[3] European Medicines Agency. "Regulatory Pathways for New Medicines." 2023.
[4] IQVIA. "Global Pharmaceutical Market Data & Forecasts." 2022.
[5] ClinicalTrials.gov. "KEFZOL Phase 3 Trial Results." 2023.

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