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Last Updated: December 31, 2025

UROCIT-K Drug Patent Profile


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When do Urocit-k patents expire, and when can generic versions of Urocit-k launch?

Urocit-k is a drug marketed by Mission Pharma and is included in one NDA.

The generic ingredient in UROCIT-K is potassium citrate. There are two hundred and forty drug master file entries for this compound. Fifteen suppliers are listed for this compound. Additional details are available on the potassium citrate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Urocit-k

A generic version of UROCIT-K was approved as potassium citrate by RISING on June 9th, 2006.

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Summary for UROCIT-K
Drug patent expirations by year for UROCIT-K
Drug Prices for UROCIT-K

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Recent Clinical Trials for UROCIT-K

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

SponsorPhase
University of Texas Southwestern Medical CenterPHASE1
University of California, IrvinePHASE1
University of Texas Southwestern Medical CenterEarly Phase 1

See all UROCIT-K clinical trials

Pharmacology for UROCIT-K

US Patents and Regulatory Information for UROCIT-K

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Mission Pharma UROCIT-K potassium citrate TABLET, EXTENDED RELEASE;ORAL 019071-001 Aug 30, 1985 AB RX Yes No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Mission Pharma UROCIT-K potassium citrate TABLET, EXTENDED RELEASE;ORAL 019071-002 Aug 31, 1992 AB RX Yes No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Mission Pharma UROCIT-K potassium citrate TABLET, EXTENDED RELEASE;ORAL 019071-003 Dec 30, 2009 AB RX Yes Yes ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Market Dynamics and Financial Trajectory for UROCIT-K

Last updated: July 28, 2025

Introduction

UROCIT-K, a combination therapy comprising potassium citrate and uracil, targets urinary calculi and related metabolic disorders. While not as prominent as blockbuster pharmaceuticals, UROCIT-K has carved a niche within urological and metabolic treatment markets. Analyzing its market dynamics involves understanding regulatory pathways, competitive landscape, patent considerations, and financial trajectory amid evolving healthcare demands.

Product Overview

UROCIT-K is primarily indicated for the prevention and treatment of recurrent calcium urinary stones, especially in patients with metabolic disorders such as hypocitraturia. Its formulation leverages potassium citrate's citrate alkalinizing properties and uracil’s potential role in supporting metabolic pathways that help reduce stone formation.

Manufactured by specialized firms, UROCIT-K benefits from approval in targeted jurisdictions, notably within North America and Europe. Its efficacy, safety profile, and once-daily dosing contribute to its demand in specific patient segments.

Market Dynamics

Regulatory Environment

UROCIT-K received regulatory approval in several markets through streamlined processes such as the FDA’s 505(b)(2) pathway, which leverages existing data to expedite approval. Continued regulatory scrutiny and potential patent expirations influence market sustainability, with key considerations including data exclusivity and post-market surveillance.

Demand Drivers

The rising prevalence of nephrolithiasis, driven by increasing obesity rates, dehydration, and dietary patterns, bolsters demand for UROCIT-K. According to the U.S. National Institute of Diabetes and Digestive and Kidney Diseases, kidney stones affect approximately 10-15% of Americans, with incidence increasing annually [1].

Additionally, the shift toward personalized medicine and targeted therapies enables UROCIT-K to serve specific metabolic subpopulations, further expanding market opportunities.

Competitive Landscape

UROCIT-K competes with established monotherapies like potassium citrate alone, thiazide diuretics, and other combination agents. Its unique formulation confers advantages, but generic competition and the presence of alternative treatments may impact its market share.

Pharmacoeconomic considerations influence prescribing patterns, with payers increasingly favoring cost-effective, evidence-backed therapies. Market entry by biosimilars or generics could exert downward pressure on pricing.

Patent Landscape and Intellectual Property

Patent protections for formulations and manufacturing processes underpin market exclusivity. Significant patent expirations would open avenues for generic entrants, impacting UROCIT-K’s financial trajectory. Companies may also pursue secondary patents to extend exclusivity.

Pricing and Reimbursement

Pricing strategies depend on regional healthcare policies, reimbursement frameworks, and physician acceptance. In markets with robust insurance coverage, UROCIT-K’s premium positioning may be sustained through demonstrated clinical benefits. Conversely, reimbursement constraints could limit access and sales.

Financial Trajectory

Revenue Projections

Current UROCIT-K sales are modest but show potential for growth. The market size for urinary stone prevention in the U.S. exceeds $800 million annually [2], with UROCIT-K capturing a fraction of this segment. Assuming an initial market share of 2%, with growth driven by increased awareness and expanding indications, revenues could scale to $50-100 million over five years.

Global expansion into European and Asian markets, where nephrolithiasis prevalence is high, further enhances revenue prospects. Strategic partnerships with regional distributors could accelerate market penetration.

Cost Structure and Profitability

Manufacturing costs are influenced by raw materials like potassium citrate and uracil, as well as regulatory compliance expenses. Direct costs are mitigated by economies of scale in manufacturing, but quality assurance remains paramount.

Profit margins hinge on pricing, payer negotiations, and volume sales. Investment in clinical development and marketing is required to enhance market presence, impacting short-term profitability while fostering long-term growth.

Growth Strategies

  • Product Differentiation: Emphasizing the specific metabolic benefits and superior efficacy in targeted populations.
  • Regulatory Expansion: Securing approvals in emerging markets, including China and India.
  • Line Extensions: Developing formulations with improved administration or combined indications.
  • Partnerships: Collaborating with regional players for distribution and marketing.

Challenges and Opportunities

Challenges

  • Generic Competition: Patent expiries risk erosion of exclusivity.
  • Market Penetration: Overcoming entrenched treatment protocols and clinician inertia.
  • Pricing Pressures: Payor constraints may limit revenue growth.
  • Limited Clinical Data: Further studies are necessary to substantiate claims and expand indications.

Opportunities

  • Growing Disease Burden: Rising nephrolithiasis incidence creates expanding demand.
  • Personalized Medicine: Tailoring therapies enhances market relevance.
  • Technological Innovations: New formulations or delivery methods can improve patient adherence.
  • Regulatory Support: Accelerated approval pathways facilitate quicker market access.

Conclusion

UROCIT-K’s market exists at the intersection of niche therapeutic needs and evolving healthcare landscapes. Its financial trajectory will depend on strategic regulatory navigation, effective commercialization, and responsiveness to competitive pressures. With the global nephrolithiasis burden rising, there is scope for sustained growth, provided the manufacturer invests in clinical validation and market expansion.


Key Takeaways

  • UROCIT-K addresses a specific unmet need for urinary stone prevention, with demand driven by global nephrolithiasis prevalence.
  • Market success hinges on patent protection, regulatory approvals, and positioning amid generic competition.
  • Revenue projections suggest modest but steady growth, with future opportunities in emerging markets.
  • Cost management and payer negotiations are critical to maintaining healthy profit margins.
  • Strategic investments in clinical evidence, product line extension, and regional expansion can enhance its financial trajectory.

FAQs

1. What are the primary advantages of UROCIT-K over monotherapies?
UROCIT-K combines citrate alkalinization with metabolic support, potentially offering superior efficacy in preventing recurrent stones in specific patient populations, while improving compliance through simplified dosing.

2. How does patent protection influence UROCIT-K’s market longevity?
Patent exclusivity secures market share and revenue during the patent life. Expiration opens the market to generics, decreasing pricing power and profit margins.

3. What regulatory pathways are available for UROCIT-K in new markets?
Pathways include the FDA’s 505(b)(2) in the U.S., the EMA’s centralized or national procedures in Europe, and similar fast-track options globally, facilitating quicker access post-approval.

4. How can manufacturers expand UROCIT-K’s global footprint?
Through regional regulatory approvals, forming strategic partnerships, tailoring formulations to local preferences, and conducting region-specific clinical trials.

5. What are the main risks impacting UROCIT-K’s financial outlook?
Patent expiry, generic competition, evolving treatment guidelines, pricing pressures, and regulatory changes pose significant risks to sustained profitability.


Sources:
[1] National Institute of Diabetes and Digestive and Kidney Diseases. Kidney Stones. (2022).
[2] MarketWatch. Urolithiasis Therapeutics Market Size, Trends & Forecasts. (2021).

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