ZS Pharma
ZS Pharma was a clinical-stage biopharmaceutical company developing proprietary ion trap therapies for hyperkalemia and liver diseases, founded in 2008 in Coppell, Texas, and acquired by AstraZeneca in 2015.
- Company typePrivate
- Founded2008
- HeadquartersCoppell, United States
- Headcount51–100
- GTM typeB2B
- OfferingHardware or Manufacturing
ZS Pharma firmographics
Firmographics- Name
- ZS Pharma
- Website
- https://zspharma.com
- Company type
- Private
- Founded year
- 2008
- Headcount range
- 51–100 employees
- Short description
- ZS Pharma was a clinical-stage biopharmaceutical company developing proprietary ion trap therapies for hyperkalemia and liver diseases, founded in 2008 in Coppell, Texas, and acquired by AstraZeneca in 2015.
- Ownership category
- akta.pro rank
ZS Pharma industry classification
Industry- Product category
- Specialty Pharmaceuticals
- NAICS
- Pharmaceutical and Medicine Manufacturing (3254), Pharmaceutical Preparation Manufacturing (325412)
- SIC
- Pharmaceutical Preparations (2834)
- akta.pro primary industry
- Primary Care & General Medicine Pharmaceuticals (HLAIAAAA)
- akta.pro secondary industries
- Endocrinology & Reproductive Health Pharmaceuticals (incl. Women’s Health) (HLAIAAAJ), Clinical Trial Pharmacy & IMP Management at Site (HLAGACAK)
Keywords
Where ZS Pharma is headquartered
LocationHeadquarters
- HQ city
- Coppell
- HQ country
- United States
- HQ region
- North America
Markets served
ZS Pharma business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Technology or R&D, Personnel, Operations, Marketing or Sales, Supply Chain
ZS Pharma product offering
Product offeringCore offering
ZS Pharma develops ion-trap therapies for the treatment of life-threatening medical conditions such as hyperkalemia and liver diseases. Its lead candidate, ZS-9 (sodium zirconium cyclosilicate), is an oral, non-absorbed potassium-binding agent designed to selectively capture potassium ions in the gastrointestinal tract for patients with elevated serum potassium levels.
Differentiator
Problem solved
Functional benefit
Products and services
- ZS-9 (sodium zirconium cyclosilicate)
Companies that use ZS Pharma
Customer profileIdeal customer profiles1 record
ZS Pharma technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
ZS Pharma competitors and assessment
Company assessmentBroad incumbents
- Galenica Group: Swiss specialty pharma group that acquired Relypsa and owns the global ex-US Veltassa rights, operating in nephrology and hospital-channel distribution directly comparable to the commercial infrastructure ZS Pharma would need.
- AstraZeneca: Acquirer of ZS Pharma (delisted ZSPH from NASDAQ in 2015), AstraZeneca commercializes sodium zirconium cyclosilicate as Lokelma globally and is the strategic exit path that validated ZS Pharma's technology and economics.
- Vifor Pharma: Acquired Relypsa and commercializes Veltassa globally, making Vifor the principal commercial incumbent in hyperkalemia and the most direct competitor ZS-9 would face on launch. Vifor also operates broadly in nephrology and iron-deficiency, so it competes across ZS Pharma's specialty-pharma adjacency.
Emerging players
- Chinook Therapeutics: Clinical-stage biotech focused on kidney diseases (IgA nephropathy and other CKD indications), targeting the same nephrology specialist prescribers ZS Pharma's franchise relies on and increasingly competing for hyperkalemia-adjacent patient share.
- Akebia Therapeutics: Develops vadadustat and other therapies for anemia of CKD, selling into the same dialysis and nephrology channels targeted by hyperkalemia therapies; comparable in clinical-stage maturity and renal-focused commercial strategy.
- Aurinia Pharmaceuticals: Specialty pharma developing voclosporin (Lupkynis) for lupus nephritis — overlapping nephrology specialty channel, CKD patient pool, and commercial infrastructure requirements with a hyperkalemia-focused launch.
- AMAG Pharmaceuticals: Specialty pharma with a women's-health and renal-focused commercial footprint (e.g., Ferumoxytol/Venofer-adjacent franchises) overlapping the nephrology call-point and specialty distribution channels relevant to a hyperkalemia launch.
Direct peers
- Ardelyx: Late-stage clinical biotech developing gastrointestinal-based therapies, including tenapanor for hyperkalemia in CKD — a near-direct mechanistic and indication overlap with ZS Pharma's ion-trap approach. Comparable in size, stage, and orphan/specialty commercial strategy.
- Keryx Biopharmaceuticals: Marketed ferric citrate (Auryxia) for hyperkalemia in CKD and for iron-deficiency anemia in dialysis — overlapping patient population, nephrology specialty channel, and hyperkalemia indication with ZS Pharma's lead asset.
- Relypsa: Developed patiromer (Veltassa), the most direct competing oral potassium binder for hyperkalemia, putting it head-to-head with ZS-9 in CKD, CHF, and RAAS-inhibitor populations. Relypsa was acquired by Galenica/Vifor in 2016, making it the closest parallel in indication, mechanism class, and exit path to ZS Pharma.
Market position
Customer concentration
ZS Pharma social profiles
Digital presenceZS Pharma financial estimates
Financial estimateRevenue estimate
Valuation estimate
ZS Pharma leadership team
Management profileNumber of profiles
Profiles4 records
ZS Pharma funding detail
Funding detailFunding overview
Funding rounds6 records
Investors10 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
ZS Pharma M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about ZS Pharma
What does ZS Pharma do?
ZS Pharma develops ion-trap therapies for the treatment of life-threatening medical conditions such as hyperkalemia and liver diseases. Its lead candidate, ZS-9 (sodium zirconium cyclosilicate), is an oral, non-absorbed potassium-binding agent designed to selectively capture potassium ions in the gastrointestinal tract for patients with elevated serum potassium levels.
When was ZS Pharma founded?
ZS Pharma was founded in 2008. It employs 51 to 100 people.
Where is ZS Pharma based?
ZS Pharma is headquartered in Coppell, United States, in the North America region.
Who are ZS Pharma's main competitors?
Broad incumbents on record are Galenica Group, AstraZeneca and Vifor Pharma. Emerging players are Chinook Therapeutics, Akebia Therapeutics, Aurinia Pharmaceuticals and AMAG Pharmaceuticals. Direct peers are Ardelyx, Keryx Biopharmaceuticals and Relypsa.
Does ZS Pharma have an API?
No public API is recorded for ZS Pharma.
What industry is ZS Pharma in?
ZS Pharma's product category is Specialty Pharmaceuticals. Its primary akta.pro industry code is HLAIAAAA, Primary Care & General Medicine Pharmaceuticals, with a secondary code of HLAIAAAJ, Endocrinology & Reproductive Health Pharmaceuticals (incl. Women’s Health). Its NAICS code is 3254 and its SIC code is 2834.