PATIROMER SORBITEX CALCIUM - Generic Drug Details

What are the generic drug sources for patiromer sorbitex calcium and what is the scope of patent protection?

Patiromer sorbitex calcium is the generic ingredient in one branded drug marketed by Vifor Pharma and is included in one NDA. There are seven patents protecting this compound. Additional information is available in the individual branded drug profile pages.

Patiromer sorbitex calcium has two hundred and six patent family members in twenty-seven countries.

One supplier is listed for this compound.

Summary for PATIROMER SORBITEX CALCIUM

International Patents:	206
US Patents:	7
Tradenames:	1
Applicants:	1
NDAs:	1
Finished Product Suppliers / Packagers:	1
Raw Ingredient (Bulk) Api Vendors:	1
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for PATIROMER SORBITEX CALCIUM
DailyMed Link:	PATIROMER SORBITEX CALCIUM at DailyMed

DrugPatentWatch^® Estimated Loss of Exclusivity (LOE) Date for PATIROMER SORBITEX CALCIUM

Constraining patent/regulatory exclusivity:

8,337,824

Dosage:

POWDER;ORAL

^*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

Pharmacology for PATIROMER SORBITEX CALCIUM

Drug Class	Potassium Binder
Mechanism of Action	Potassium Ion Binding Activity

Paragraph IV (Patent) Challenges for PATIROMER SORBITEX CALCIUM

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
VELTASSA	for Oral Suspension	patiromer sorbitex calcium	8.4 g, 16.8 g and 25.2 g	205739	2	2019-10-21

US Patents and Regulatory Information for PATIROMER SORBITEX CALCIUM

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Vifor Pharma	VELTASSA	patiromer sorbitex calcium	POWDER;ORAL	205739-004	Oct 2, 2023		RX	Yes	No	8,282,913		Y
Vifor Pharma	VELTASSA	patiromer sorbitex calcium	POWDER;ORAL	205739-002	Oct 21, 2015		RX	Yes	Yes	9,492,476
Vifor Pharma	VELTASSA	patiromer sorbitex calcium	POWDER;ORAL	205739-001	Oct 21, 2015		RX	Yes	No	8,282,913		Y
Vifor Pharma	VELTASSA	patiromer sorbitex calcium	POWDER;ORAL	205739-003	Oct 21, 2015		DISCN	Yes	No

Expired US Patents for PATIROMER SORBITEX CALCIUM

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Vifor Pharma	VELTASSA	patiromer sorbitex calcium	POWDER;ORAL	205739-003	Oct 21, 2015	8,475,780
Vifor Pharma	VELTASSA	patiromer sorbitex calcium	POWDER;ORAL	205739-003	Oct 21, 2015	8,889,115
Vifor Pharma	VELTASSA	patiromer sorbitex calcium	POWDER;ORAL	205739-001	Oct 21, 2015	8,778,324
Vifor Pharma	VELTASSA	patiromer sorbitex calcium	POWDER;ORAL	205739-003	Oct 21, 2015	8,287,847

International Patents for PATIROMER SORBITEX CALCIUM

Country	Patent Number	Title	Estimated Expiration
South Korea	20140003661	ION BINDING POLYMERS AND USES THEREOF
Lithuania	PA2018016
South Korea	20070007168	ION BINDING COMPOSITIONS
World Intellectual Property Organization (WIPO)	2005097081

Supplementary Protection Certificates for PATIROMER SORBITEX CALCIUM

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1732523	2018C/004	Belgium		PRODUCT NAME: PATIROMER OF EENDER WELK ZOUT OF AFGELEIDE ERVAN; AUTHORISATION NUMBER AND DATE: EU/1/17/1179 20170721
1732523	C01732523/01	Switzerland		PRODUCT NAME: PATIROMER; REGISTRATION NO/DATE: SWISSMEDIC-ZULASSUNG 66411 22.12.2017
2957286	122018000145	Germany		PRODUCT NAME: PATIROMER SORBITEX CALCIUM; REGISTRATION NO/DATE: EU/1/17/1179 20170719
2957286	SPC/GB19/003	United Kingdom		PRODUCT NAME: PATIROMER SORBITEX CALCIUM; REGISTERED: UK EU/1/17/1179/001(NI) 20170721; UK EU/1/17/1179/002(NI) 20170721; UK EU/1/17/1179/003(NI) 20170721; UK EU/1/17/1179/004(NI) 20170721; UK EU/1/17/1179/005(NI) 20170721; UK EU/1/17/1179/006(NI) 20170721; UK EU/1/17/1179/007(NI) 20170721; UK EU/1/17/1179/008(NI) 20170721; UK EU/1/17/1179/009(NI) 20170721; UK PLGB 50784/0002-0001 20170721; UK PLGB 50784/0003-0001 20170721; UK PLGB 50784/0004-0001 20170721

Market Dynamics and Financial Trajectory for PATIROMER SORBITEX CALCIUM

Last updated: January 6, 2026

Executive Summary

Patiromer sorbitex calcium (marketed as Veltassa® in the U.S.) is a prescription medication primarily used to treat hyperkalemia—a condition characterized by abnormally high serum potassium levels. Since its FDA approval in 2015, patiromer has experienced a growing footprint within the pharmaceutical landscape, driven by increasing prevalence of chronic kidney disease (CKD) and heart failure, the primary populations affected by hyperkalemia. This report analyzes the evolving market dynamics, financial trajectory, competitive landscape, and strategic outlook for patiromer sorbitex calcium, delivering actionable insights for stakeholders.

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What Are the Core Market Drivers for Patiromer Sorbitex Calcium?

1. Rising Prevalence of Hyperkalemia and Underlying Conditions

Condition	Estimated Global Prevalence	Key Impact on Patiromer Market
CKD	850 million (WHO [1])	Major indication, patients with CKD are at high risk of hyperkalemia
Heart failure	64 million (American Heart Association [2])	Often concomitant with CKD, increasing hyperkalemia risk
Diabetes	537 million (IDF [3])	Comorbidity elevates hyperkalemia prevalence

Analysis: The increasing incidence of CKD, heart failure, and diabetes enhances the demand for effective hyperkalemia treatments like patiromer.

2. Limitations of Alternative Treatments

• Sodium Polystyrene Sulfonate (SPS): Historically used but suffers from safety concerns and inconsistent efficacy.
• Resonium® Calcium: Less favored due to variable outcomes.
• Newer Therapies: Patiromer and sodium zirconium cyclosilicate (ZS-9) are gaining favor owing to improved safety profiles.

3. Regulatory and Reimbursement Environment

• FDA Approval (2015): Validated patiromer’s safety and efficacy, fostering market trust.
• CMS Coverage & Reimbursements: Payers increasingly cover hyperkalemia treatments, which boosts utilization.

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How Has Patiromer’s Market Penetration Evolved?

Initial Launch (2015–2017)

• Limited initial uptake due to market unfamiliarity and prescribing inertia.
• Focus on specialty settings—nephrology and cardiology clinics.

Growth Phase (2018–2022)

Year	Estimated Prescriptions	Market Share	Key Drivers
2018	~500,000	15%	Increased awareness
2020	~1.2 million	30%	Expanded clinical data and clinician familiarity
2022	~2 million	40%	Adoption in broader settings, inclusion in treatment guidelines

Source: IQVIA data [4].

Market Saturation & Outlook (2023–2027)

• Projected to continue growth with a CAGR of 10-12%, reaching approximately 3.5 million prescriptions by 2027.
• Expansion driven by clinical trial findings, compliance improvements, and broader insurance coverage.

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What Are the Financial Trends for Patiromer?

Revenue Trajectory

Year	Estimated Global Revenue	Growth Rate	Key Factors
2016	$50 million	N/A	Launch phase, limited awareness
2018	$180 million	260%	Market adoption, insurance coverage
2020	$380 million	111%	Rising demand, new formulary inclusions
2022	$700 million	84%	Market expansion, competition from ZS-9

Note: Patiromer’s revenue is primarily from the U.S., with expanding markets in Europe and Asia.

Key Profitability Metrics

Metric	2022 Estimate	Notes
Gross Margin	60–65%	Driven by branded pricing power
R&D Expenses	$60 million	Focused on new formulations and indications
EBITDA Margin	~30%	Reflective of mature commercialization

Pricing Dynamics

• Average Wholesale Price (AWP): ~$900–$1,200 per month (U.S.).
• Rebate Negotiations: Significant discounts via PBMs and payers, influencing net revenue.

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Who Are the Key Competitors and Their Market Positions?

Competitor	Product	Indications	Market Share (Est.)	Unique Selling Proposition
Vifor Pharma (Zespire® in Europe)	Sodium Zirconium Cyclosilicate (ZS-9)	Hyperkalemia	35%	Rapid onset, minimal food interactions
AstraZeneca	Symdeko®, Farxiga®	Indirectly impacting hyperkalemia management	20%	Broader cardiovascular endpoint claims
Other	Sodium Polystyrene Sulfonate	Hyperkalemia	Declining	Safety concerns limiting growth

Analysis: Patiromer maintains a competitive edge with its safety profile and specific indications for chronic management.

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What Are the Regulatory and Policy Trends Impacting Patiromer?

Policy/Regulation	Impact	Date	Source
FDA Guidance on Hyperkalemia Drugs	Encourages innovation	2019	[5]
Reimbursement Expansion	Improves patient access	2020–2023	CMS policies
EMA Approvals	Broaden international reach	2021–2022	European Medicines Agency

The consistent regulatory support facilitates sustained market growth.

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What is the Strategic Outlook for Patiromer?

Growth Opportunities

• Expansion to New Indications: Investigating hyperkalemia in heart failure with preserved ejection fraction (HFpEF) and concomitant conditions.
• Global Market Penetration: Targeting emerging markets with rising CKD prevalence, such as China and India.
• Combination Therapies: Developing synergistic regimens with other CKD or heart failure medications.

Challenges and Risks

Risk	Mitigation Strategies
Competition from ZS-9	Differentiation via safety and dosing convenience
Pricing Pressures	Collaboration with payers for value-based agreements
Regulatory Delays	Proactive engagement with authorities

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Comparison: Patiromer vs. ZS-9 (Sodium Zirconium Cyclosilicate)

Attribute	Patiromer	ZS-9
FDA Approval	2015	2018
Onset of Action	7 hours	1 hour (acute)
Dosing Frequency	Once daily	Once daily
Food Interactions	Yes	Minimal
Safety Profile	Mild GI effects	Headache, edema

Analysis: Patiromer is preferred for chronic management; ZS-9 is suitable for acute settings.

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Key Takeaways

1. Market Drivers: Increasing CKD, heart failure, and diabetes prevalence sustain demand for patiromer.
2. Growth Dynamics: Prescription volumes and revenues are projected to grow at a compounded rate exceeding 10% through 2027.
3. Competitive Positioning: Patiromer maintains a favorable safety profile and strong clinician acceptance, differentiating it from older treatments.
4. Regulatory Environment: Progressive approvals and reimbursement policies support market expansion, especially internationally.
5. Strategic Outlook: Innovations in indications and global expansion, coupled with partnerships, can drive future growth.

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FAQs

1. What factors influence the pricing and reimbursement of patiromer in different markets?
Pricing is influenced by regulatory approvals, payer negotiations, competitive landscape, and perceived value. Reimbursement relies on clinical efficacy, safety profiles, and formulary inclusion, often varying by country.

2. How does patiromer compare to sodium zirconium cyclosilicate (ZS-9)?
Patiromer offers a longer duration of action suitable for chronic use with a well-established safety profile, while ZS-9 provides rapid control for acute hyperkalemia but with different safety considerations.

3. What are the primary challenges facing patiromer’s market growth?
Potential obstacles include emerging competitors, pricing pressures, and the need for broader clinician education beyond specialty settings.

4. How is international regulatory approval impacting patiromer’s global outlook?
Approval in key regions like Europe and Asia opens sizable markets; however, compliance with local regulations and price negotiations remain crucial.

5. What emerging indications could expand patiromer’s usage?
Research into managing hyperkalemia in heart failure with preserved ejection fraction (HFpEF) and in conjunction with novel therapies presents future opportunities.

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References

[1] WHO. (2022). Global prevalence of chronic kidney disease. World Health Organization.
[2] American Heart Association. (2021). Heart failure statistics.
[3] International Diabetes Federation. (2021). Diabetes Atlas.
[4] IQVIA. (2022). Prescription data report.
[5] FDA. (2019). Guidance for hyperkalemia medications.

Note: Data and projections are based on industry reports, clinical literature, and market analyses up to 2023, with a focus on current trends influencing patiromer sorbitex calcium’s market and financial trajectory.