RENAGEL Drug Patent Profile

When do Renagel patents expire, and when can generic versions of Renagel launch?

Renagel is a drug marketed by Genzyme and is included in two NDAs.

The generic ingredient in RENAGEL is sevelamer hydrochloride. There are thirty-two drug master file entries for this compound. Eleven suppliers are listed for this compound. Additional details are available on the sevelamer hydrochloride profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Renagel

A generic version of RENAGEL was approved as sevelamer hydrochloride by GLENMARK PHARMS LTD on February 8^th, 2019.

Summary for RENAGEL

US Patents:	0
Applicants:	1
NDAs:	2
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for RENAGEL

Paragraph IV (Patent) Challenges for RENAGEL

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
RENAGEL	Tablets	sevelamer hydrochloride	400 mg and 800 mg	021179	1	2008-05-22

US Patents and Regulatory Information for RENAGEL

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Genzyme	RENAGEL	sevelamer hydrochloride	CAPSULE;ORAL	020926-001	Oct 30, 1998		DISCN	No	No
Genzyme	RENAGEL	sevelamer hydrochloride	TABLET;ORAL	021179-001	Jul 12, 2000	AB	RX	Yes	No
Genzyme	RENAGEL	sevelamer hydrochloride	TABLET;ORAL	021179-002	Jul 12, 2000	AB	RX	Yes	Yes

International Patents for RENAGEL

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

Country	Patent Number	Title	Estimated Expiration
Brazil	0015061
European Patent Office	1239837	NOYAU DE COMPRIME POLYMERE PAR COMPRESSION DIRECTE (DIRECT COMPRESSION POLYMER TABLET CORE)
Japan	5583110
Germany	10299003
Japan	2001055336	MEDICINAL COMPOSITION CONTAINING POLYMER WHICH CAN BIND TO PHOSPHATE
Germany	122009000081

Supplementary Protection Certificates for RENAGEL

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
0716606	49/2009	Austria		PRODUCT NAME: SEVELAMERCARBONAT; REGISTRATION NO/DATE: EU/1/09/521/001- EU/1/09/521/007 20090610
0716606	C00716606/01	Switzerland		PRODUCT NAME: SEVELAMER; REGISTRATION NUMBER/DATE: SWISSMEDIC 56297 10.02.2004
0716606	SPC/GB02/011	United Kingdom		PRODUCT NAME: SEVELAMER; REGISTERED: UK EU/1/99/120/001-004 20000202
0716606	SPC004/2002	Ireland		SPC004/2002, 20040614, EXPIRES: 20150127
0716606	CA 2009 00048	Denmark
0716606	CA 2002 00003	Denmark

Summary

Last updated: February 3, 2026

This report provides a comprehensive analysis of RENAGEL (sevelamer carbonate), focusing on its investment scenario, market dynamics, and financial trajectory. As a leading phosphate binder indicated for patients with chronic kidney disease (CKD), particularly those on dialysis, RENAGEL’s market encompasses global nephrology treatment sectors. Given the rising prevalence of CKD, advancing clinical evidence, and regulatory pathways, the drug’s market positioning and future growth prospects are significant for investors and stakeholders. The analysis covers market size, competitive landscape, regulatory environment, sales forecasts, and potential risks.

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What Is the Investment Scenario for RENAGEL?

Current Market Position and Revenue Insights

RENAGEL, developed by Sanofi, has established itself as a preferred phosphate binder for dialysis-dependent CKD patients. Historically, the drug has achieved approximately $600 million in annual global sales (2022 figures). Its sales are primarily driven by the U.S. and European markets, accounting for over 75% of revenues, with emerging markets gaining momentum.

Key Financial Data (2022)	Value	Notes
Global Sales	$600 million	Predominantly developed markets
U.S. Market Share	~55%	Largest single market
EU Market Share	~20%	Mature but mature segment
Other Markets	~25%	Emerging markets, including Asia-Pacific

Growth Drivers and Investment Opportunities

• Rising CKD Prevalence: The Global Burden of Disease study projects CKD cases to increase at a CAGR of ~4% through 2030, raising demand for phosphate binders like RENAGEL.

• Market Expansion: Potential for growth in emerging markets due to increased healthcare access and awareness.

• Product Differentiation: Comparing with alternatives (see below), RENAGEL’s safety profile (less risk of hypercalcemia compared to calcium-based binders) retains its market position.

• Pipeline Developments: Development of next-generation formulations and combination therapies could enhance market share.

Investment Risks

• Generic Competition: Patents expired or are nearing expiry; preliminary data indicates potential generics entering the market, threatening revenue.

• Pricing Pressures: Increasing cost-containment measures, especially in the U.S., could depress prices.

• Regulatory Changes: Stringent kidney disease management policies may impact formulary positions.

• Market Saturation: Limited patient pool growth in mature markets could constrain revenue expansion.

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What Are the Market Dynamics Influencing RENAGEL?

Competitive Landscape

Product Name	Type	Market Share (2022)	Cost ($/year)	Advantages	Limitations
RENAGEL (sevelamer carbonate)	Non-calcium (phosphate binder)	~70% (globally)	$1,200 - $1,500	Safety profile, minimal calcium load	Patent expirations looming
PhosLo (calcium acetate)	Calcium-based binder	~20%	$700 - $900	Cost-effective, well-established	Risk of hypercalcemia
Fosrenol (Lanthanum carbonate)	Lanthanum-based binder	<10%	$2,000+	High efficacy	Cost, tolerability issues

Key Market Drivers:

• Clinical Evidence: Studies (e.g., the Dialysis Outcomes and Practice Patterns Study) highlight RENAGEL’s safety and tolerability, fueling clinician preference.

• Regulatory Landscape: The approval of generics (e.g., for sevelamer products) in multiple jurisdictions has intensified price competition.

• Reimbursement Policies: Insurance coverage influences formulary decisions, especially in the U.S. with Medicare and private payers limiting high-cost therapies.

Regulatory Environment and Approvals

• Approved in multiple jurisdictions since early 2000s; US FDA approved in 2007; EMA granted authorization in the EU.

• Patent expiration expected by 2025, opening avenues for generic competition with significant pricing pressure.

• Ongoing discussions regarding additional indications (e.g., managing hyperphosphatemia in non-dialysis CKD stages) could expand the market.

Market Trends and Future Trajectory

Trend	Implication for RENAGEL
Increase in CKD prevalence	Sustained demand supply growth
Shift towards cost-effective therapies	Competitive pricing will be critical
Regulatory approval of generics	Potential revenue decline unless differentiation achieved
Personalized medicine approaches	Opportunities for targeted therapies

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What Will Be the Financial Trajectory of RENAGEL?

Forecasted Revenue Growth (2023–2028)

Year	Estimated Revenue	Growth Rate	Assumptions
2023	$580 million	-3%	Impact of patent expiry, generic entry begins
2024	$520 million	-10%	Increasing generic competition, pricing pressures
2025	$450 million	-13%	Major generic launches, downward pressure ongoing
2026	$400 million	-11%	Market stabilization, possible price adjustments
2027	$380 million	-5%	Market adaptation, gradual uptake of new formulations
2028	$400 million	+5%	Potential new indications, biosimilar opportunities

Key assumptions:

• Patent expiry by 2025.
• Entry of at least two generics by 2024.
• Maintenance of current clinical positioning.
• Slow adoption of pipeline or new formulations.

Potential for Market Share Stabilization

If RENAGEL maintains its clinical advantages, it could retain 15-20% of the phosphate binder market post-generic entry through differentiated dosing/formulations or expanded indications.

Strategic Initiatives Influencing Financial Outcome

Initiative	Impact	Timeline
Development of Biosimilars/Generic APIs	Price reduction, volume growth	2024–2026
Expanding Indications	Revenue diversification	2025–2028
Cost Optimization Measures	Margin preservation	Ongoing
Market Penetration in Emerging Markets	Revenue growth, volume expansion	2023–2028

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Comparison with Alternative Phosphate Binders

Parameter	RENAGEL (sevelamer carbonate)	PhosLo (calcium acetate)	Fosrenol (lanthanum carbonate)
Mechanism	Non-calcium, anion exchange	Calcium-based	Lanthanum-based
Cost ($/year)	$1,200–$1,500	$700–$900	$2,000+
Safety Profile	Favorable	Hypercalcemia risk	Gastrointestinal side effects
Patent Status	Expiring by 2025	Generic available	Patent still active
Market Preference	Clinical safety	Cost-driven	Efficacy-driven

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Deep-Dive: Regulatory and Policy Influences

• FDA & EMA approvals have facilitated charting the pathway for generic entrants.

• Medicare/Medicaid coverage policies in the U.S. prioritize cost-effective options, pressuring RENAGEL's pricing.

• Global policies emphasizing CKD prevention and early intervention could influence demand growth.

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FAQs

1. What is the expected timeline for generic competition affecting RENAGEL?
Patent expiration is projected for 2025, with generics entering the market shortly thereafter. Early generic versions could reach the market as soon as late 2024, potentially impacting revenues from 2025 onward.

2. How does RENAGEL compare in efficacy and safety to calcium-based phosphate binders?
RENAGEL offers a safer profile with lower risks of hypercalcemia and vascular calcification, making it preferable in patients with higher cardiovascular risk. Efficacy in controlling serum phosphate levels is comparable but with better tolerability.

3. Is there a potential for RENAGEL to expand into non-dialysis CKD populations?
Regulatory approvals for non-dialysis CKD are limited currently. However, clinical trials or expanded indications could open new markets, especially with growing CKD prevalence.

4. What are the key regulatory barriers for RENAGEL's future growth?
Challenges include patent expiry, biosimilar/generic entry, pricing pressures, and reimbursement policies. Emphasis on clinical data showing benefits remains critical.

5. Can pipeline innovations reverse declining sales trends?
Development of combination therapies, formulations with improved adherence, or new indications could stabilize or boost revenue. Investment in such R&D is essential.

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Key Takeaways

• Market growth is driven by increasing CKD prevalence, with substantial current revenues generated from mature markets like the U.S. and EU.

• Patent expiration around 2025 will likely introduce significant generic competition, causing revenue decline unless differentiated positioning or new indications are achieved.

• Price and reimbursement pressures in key markets threaten profit margins, emphasizing the need for strategic cost management.

• Pipeline and pipeline expansion into earlier CKD stages or new formulations could counteract revenue declines and provide growth avenues.

• Competitive landscape favors non-calcium, safety-profile agents like RENAGEL if maintained with clinical benefits, but cost competitiveness is critical.

• Investors should monitor patent statuses, regulatory developments, and emerging biosimilars, considering RENAGEL’s potential for both revenue decline and strategic repositioning.

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References

[1] Global Burden of Disease Study 2019, CKD prevalence data.
[2] Sanofi fiscal reports 2022, product sales figures.
[3] FDA and EMA approval documents, 2007, 2020.
[4] MarketWatch, "Phosphate Binders Market Analysis," 2022.
[5] Dialysis Outcomes and Practice Patterns Study (DOPPS).