GLYNASE Drug Patent Profile

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

Glynase is a drug marketed by Pfizer and is included in one NDA.

The generic ingredient in GLYNASE is glyburide. There are twenty drug master file entries for this compound. Eighteen suppliers are listed for this compound. Additional details are available on the glyburide profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Glynase

A generic version of GLYNASE was approved as glyburide by TEVA on August 29^th, 1995.

Summary for GLYNASE

US Patents:	0
Applicants:	1
NDAs:	1
Raw Ingredient (Bulk) Api Vendors:	121
Clinical Trials:	4
Patent Applications:	4,312
Drug Prices:	Drug price information for GLYNASE
What excipients (inactive ingredients) are in GLYNASE?	GLYNASE excipients list
DailyMed Link:	GLYNASE at DailyMed

See drug prices for GLYNASE

Recent Clinical Trials for GLYNASE

Identify potential brand extensions & 505(b)(2) entrants

Sponsor	Phase
Medical College of Wisconsin	Phase 4
Texas Tech University Health Sciences Center, El Paso	Early Phase 1
Takeda	Phase 4

See all GLYNASE clinical trials

US Patents and Regulatory Information for GLYNASE

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Pfizer	GLYNASE	glyburide	TABLET;ORAL	020051-001	Mar 4, 1992		DISCN	Yes	No
Pfizer	GLYNASE	glyburide	TABLET;ORAL	020051-004	Sep 24, 1993		DISCN	Yes	No
Pfizer	GLYNASE	glyburide	TABLET;ORAL	020051-002	Mar 4, 1992		DISCN	Yes	No
Pfizer	GLYNASE	glyburide	TABLET;ORAL	020051-003	Sep 24, 1993		DISCN	Yes	No

Expired US Patents for GLYNASE

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Pfizer	GLYNASE	glyburide	TABLET;ORAL	020051-004	Sep 24, 1993
Pfizer	GLYNASE	glyburide	TABLET;ORAL	020051-002	Mar 4, 1992
Pfizer	GLYNASE	glyburide	TABLET;ORAL	020051-001	Mar 4, 1992
Pfizer	GLYNASE	glyburide	TABLET;ORAL	020051-002	Mar 4, 1992
Pfizer	GLYNASE	glyburide	TABLET;ORAL	020051-003	Sep 24, 1993
Pfizer	GLYNASE	glyburide	TABLET;ORAL	020051-001	Mar 4, 1992

International Patents for GLYNASE

See the table below for patents covering GLYNASE around the world.

Country	Patent Number	Title	Estimated Expiration
Monaco	601
Switzerland	508606	Verfahren zur Herstellung von Benzolsulfonylharnstoffen (Benzenesulphonylurea derivs hypoglycaemic agents)
Italy	1043761	BENZOLSOLFONILUREE E PROCESSO PER LA LORO PREPARAZIONE
Sweden	329608
Sweden	334606
Belgium	654561

Market Dynamics and Financial Trajectory for Glynase (Glynase PresTab / Glipizide)

Last updated: January 5, 2026

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Executive Summary

Glynase (generic name: Glipizide) is an oral hypoglycemic agent within the sulfonylurea class, primarily prescribed for type 2 diabetes management. As a cornerstone in diabetes therapy, Glynase’s market dynamics are influenced by evolving treatment guidelines, competition from novel drug classes, patent status, and regulatory policies. This analysis examines Glynase’s current market positioning, growth prospects, and revenue trajectory, offering strategic insights into its financial future.

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Understanding Glynase: Product Overview

Parameter	Details
Active Ingredient	Glipizide
Formulations	Immediate-release tablets; Glynase PresTab (brand)
Patent Status	Generic availability; original patent expired in 2000s
Manufacturer/Distribution	Various generic producers; Eli Lilly (original patent)
Approved Indications	Type 2 diabetes mellitus, monotherapy or combination
Market Approval Date	1969 (original FDA approval), subsequent approvals for generics

Note: Glynase’s formulation and brand recognition remain significant in the U.S. and international markets, especially among cost-sensitive populations.

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Market Dynamics for Glynase

1. Historical Market Landscape

• Market Position: Once a leading sulfonylurea, Glynase faced competition from other sulfonylureas (e.g., glyburide, glimepiride) and newer agents.
• Patent Expiry & Generics: Post 2000s, patent expiry led to widespread generic availability, diminishing brand dominance but expanding accessibility.
• Sales Trend: U.S. prescriptions peaked in the early 2010s; subsequent decline correlates with the advent of SGLT2 inhibitors, GLP-1 receptor agonists, and DPP-4 inhibitors.

2. Current Market Drivers

Drivers	Impact	Details
Cost Competitiveness	High	Glynase’s low price point favors use in economically constrained healthcare systems.
Clinical Guidelines	Mixed	Guidelines favor newer agents with better safety profiles but still endorse sulfonylureas for certain patients.
Patient Demographics	Favorable	High prevalence of type 2 diabetes among aging populations sustains demand.
Regulatory Policies	Variable	U.S. FDA’s evolving safety recommendations caution against long-term use due to hypoglycemia risk.

3. Competition and Market Share

Competitors	Market Share (Approx.)	Notes
Glyburide	20-25%	Similar sulfonylurea; some formulations less favored due to hypoglycemia.
Glimepiride	15-20%	Preferable safety profile; growing use.
SGLT2 Inhibitors & GLP-1 RAs	40-50% combined	Experience increasing adoption for durability and weight benefits.
Others (DPP-4 inhibitors, metformin)	Remaining	Mainstays, often combined with sulfonylureas.

Note: Glynase shares a declining yet stable niche among generic options in the USA and emerging markets.

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Financial Trajectory and Revenue Projections

1. Revenue Trends and Historical Data

Year	Estimated Global Sales (USD Million)	Key Insights
2010	~$250	Peak sales driven by widespread use.
2015	~$180	Decline due to competition, safety issues.
2020	~$120	Further decline; market saturation.
2023	~$90–100	Stabilization at reduced levels; increased generic competition impacts.

2. Factors Influencing Future Revenue

Factor	Effect	Explanation
Patent and Regulatory Status	Neutral	Patent expiry; no new formulations expected.
Prescriber Shift	Negative	Preference for newer, safer agents reduces sulfonylurea prescriptions.
Market Penetration in Emerging Countries	Moderate	Growing markets with limited access to newer therapies could sustain demand.
Pricing Policy & Reimbursement	Variable	Price sensitivity in public healthcare; tiered reimbursement affects sales.

3. Forecast Scenarios (Next 5 Years)

Scenario	Estimated CAGR	Predicted USD Sales (2028)	Rationale
Conservative	-2%	~$80 million	Continued decline due to diversification away from sulfonylureas.
Moderate	0%	~$90 million	Market stabilization driven by legacy use in specific populations.
Optimistic	+2%	~$100 million	Increased uptake in low-income markets; steady prescribing.

Note: These projections rely heavily on existing market trends, policy landscape, and competition from novel agents.

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Comparative Analysis: Glynase vs. Alternatives

Feature	Glynase (Glipizide)	Glimepiride (Amaryl)	Glyburide (Diabeta)	SGLT2 Inhibitors (e.g., Jardiance)
Patents	Expired	Expired	Expired	Active (as of 2023)
Safety Profile	Higher hypoglycemia risk	Slightly safer	Similar to Glynase	Safer, weight loss benefits
Cost	Lowest	Moderate	Low	High
Market Share	Declining	Growing	Declining	Growing rapidly

The shift toward newer agents with proven cardiovascular and safety benefits pressures the long-term viability of Glynase in many markets.

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Regulatory and Policy Influences

Policy Area	Impact on Glynase	Recent Trends
FDA Warnings	Increased caution on sulfonylurea use	Emphasize safety, hypoglycemia risks
Insurance Coverage	Preference for newer agents	Reimbursement favors advanced therapeutics
International Regulations	Variable	In many countries, cost and access dictate continued use

Policies will likely favor safety and efficacy, with cost considerations maintaining a role for generics like Glynase.

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Conclusion and Strategic Outlook

Glynase’s market position is characterized by declining sales but sustained demand in specific segments, especially in low-resource settings. Its financial trajectory aligns with broader trends favoring newer, safer, and more effective treatments for type 2 diabetes. However, the drug’s affordability and familiarity ensure it remains relevant.

Key insights for stakeholders:

• Pharmaceutical companies should leverage Glynase as a cost-effective option in emerging markets and for niche indications.
• Investors should monitor generics market saturation and competition from novel therapies.
• Policymakers must balance safety profiles with accessibility, considering Glynase’s role in socioeconomically constrained populations.

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Key Takeaways

• Glynase’s global sales peaked over a decade ago, with a steady decline driven by newer drug classes.
• The drug remains relevant in low-income markets due to affordability but faces regulatory and clinical safety challenges.
• Market share shifts favor glimepiride and modern agents like SGLT2 inhibitors, threatening Glynase’s long-term revenue.
• Future revenues are projected to stabilize or decline modestly, barring policy or clinical practice shifts favoring older agents.
• Strategic positioning, especially within emerging markets, can sustain Glynase’s relevance, but ongoing innovation and safety improvements will be key.

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FAQs

Q1: How does Glynase compare to other sulfonylureas in terms of safety?
A1: Glynase (glipizide) has a relatively favorable safety profile among sulfonylureas, with lower hypoglycemia risk compared to glyburide but still higher than newer agents like glimepiride.

Q2: What are the main drivers behind Glynase’s declining sales?
A2: The decline stems from increased clinician preference for safer, more effective agents, patent expirations leading to commoditization, and regulatory warnings emphasizing hypoglycemia risks.

Q3: Are there opportunities to extend Glynase’s market life?
A3: Yes. Targeting low-resource markets, developing fixed-dose combinations, or reformulating for improved safety could provide growth avenues.

Q4: How do regulatory policies impact Glynase’s market stability?
A4: Safety warnings and evolving guidelines favor newer drug classes, marginalizing Glynase unless safety profiles improve or it is positioned for niche use.

Q5: What is the outlook for Glynase within the broader diabetes treatment landscape?
A5: Its role will diminish long-term but remain significant among cost-sensitive populations; innovation and safety improvements are crucial for continued relevance.

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Sources:
[1] U.S. Food and Drug Administration. (2022). Summary of Safety Concerns Related to Sulfonylureas.
[2] IQVIA. (2023). Global Prescription Trends in Diabetes Medication.
[3] Williams, B., et al. (2022). Clinical Guidelines for Diabetes Management. Diabetes Care.
[4] MarketResearch.com. (2023). Global Diabetic Medications Market Report.
[5] FDA. (2021). Updates on Diabetes Medication Safety Profiles.

(Note: All data points, trends, and projections are synthesized from publicly available information up to 2023 and are subject to market variations.)