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Last Updated: December 12, 2025

CUPRIMINE Drug Patent Profile


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Which patents cover Cuprimine, and when can generic versions of Cuprimine launch?

Cuprimine is a drug marketed by Valeant Pharms Intl and is included in one NDA.

The generic ingredient in CUPRIMINE is penicillamine. There are eighteen drug master file entries for this compound. Eleven suppliers are listed for this compound. Additional details are available on the penicillamine profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Cuprimine

A generic version of CUPRIMINE was approved as penicillamine by WATSON LABS INC on June 24th, 2019.

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Summary for CUPRIMINE
Drug patent expirations by year for CUPRIMINE
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Merck Sharp & Dohme Corp.

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Pharmacology for CUPRIMINE

US Patents and Regulatory Information for CUPRIMINE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Valeant Pharms Intl CUPRIMINE penicillamine CAPSULE;ORAL 019853-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Valeant Pharms Intl CUPRIMINE penicillamine CAPSULE;ORAL 019853-001 Approved Prior to Jan 1, 1982 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 the Pharmaceutical Drug: CUPRIMINE

Last updated: August 11, 2025


Introduction

CUPRIMINE®, the established brand name for Amphotericin B, remains a vital antifungal and antiprotozoal agent in modern medicine. Historically, it has served as a mainstay for severe fungal infections and visceral leishmaniasis, especially in immunocompromised populations. Despite its long-standing presence, the drug’s market dynamics are shaped by evolving resistance patterns, regulatory landscapes, emerging alternatives, and manufacturing complexities. This report critically analyzes CUPRIMINE’s current market position, future financial outlook, and key factors influencing its trajectory.


Market Overview

Global Market Size and Key Segments

The global antifungal market was valued at approximately $14 billion in 2022, with Amphotericin B accounting for a significant segment due to its broad-spectrum activity and critical role in invasive fungal infections[1]. The drug’s primary application spans hospitals treating immunocompromised patients, notably those undergoing chemotherapy, organ transplantation, or with HIV/AIDS.

Regionally, North America dominates the market, driven by advanced healthcare infrastructure, high disease awareness, and established usage of AMB formulations. Europe follows closely, with increasing adoption in Eastern European regions. The Asia-Pacific (APAC) region is anticipated to witness the highest growth rate, fueled by rising HIV prevalence, improving healthcare access, and expanding infectious disease management programs.


Market Drivers

  1. Unmet Clinical Needs and Resistance

Despite its efficacy, CUPRIMINE faces challenges from resistance, especially in Candida and Aspergillus species. For instance, emerging Candida auris outbreaks resistant to Amphotericin B have compelled clinicians to explore alternative therapies[2]. Nonetheless, its efficacy in severe, resistant infections sustains its clinical importance.

  1. Regulatory Approvals and Formulation Innovations

Recent regulatory efforts, including the FDA’s approval of liposomal formulations like AmBisome, have enhanced safety profiles, encouraging broader use. The development of liposomal and lipid complex formulations has improved tolerability and dosing, fostering ongoing demand.

  1. Expanding Indications

Beyond invasive fungal infections, research exploring Amphotericin B’s efficacy in protozoal diseases expands its scope. Notably, studies support its role in visceral leishmaniasis management, recognized by WHO guidelines, particularly in endemic regions.

  1. Public Health Initiatives and Infectious Disease Control

Global initiatives aimed at controlling opportunistic infections in HIV/AIDS, TB, and transplant recipients underpin sustained demand. Moreover, stockpiling for outbreak preparedness reinforces its strategic importance.


Market Challenges

  1. Toxicity Profile and Side Effects

CUPRIMINE’s well-documented nephrotoxicity and infusion-related reactions impose clinical limitations, resulting in cautious use. The advent of newer agents with improved safety profiles, such as Azoles and Echinocandins, partly constrains growth.

  1. Manufacturing Complexity and Supply Constraints

The production involves complex processes, including formulation stability and quality assurance. Limited manufacturing capacity, compounded by supply chain disruptions, can impact availability and escalate costs.

  1. Pricing and Reimbursement Issues

High costs associated with liposomal formulations, often exceeding $2,000 per dose, limit accessibility in low- and middle-income countries (LMICs). Reimbursement policies and budget constraints influence procurement volumes.

  1. Emergence of Resistance and Alternative Agents

The threat of resistance, coupled with the development of novel antifungals, may displace Amphotericin B in certain indications.


Financial Trajectory Analysis

Historical Revenue Trends

CUPRIMINE’s revenue, historically sourced from proprietary formulations like Cold Extraction Amphotericin B and liposomal variants, has demonstrated resilience. However, global sales peaked around $850 million in 2018, followed by stabilization or slight decline due to market saturation and competition from generics[3].

Impact of Generic Competition

Enterprises such as Pfizer and Gilead have produced generics post-patent expiry. Lower-priced alternatives have eroded margins, especially in emerging markets, yet premium liposomal formulations maintain higher profitability margins.

Forecasted Revenue and Market Penetration

Projections suggest a compounded annual growth rate (CAGR) of 1-3% from 2023 to 2030[4]. Factors supporting this outlook include:

  • Expansion in APAC and African markets due to public health emphasis.
  • Increased use of liposomal formulations in transplant units.
  • Ongoing clinical trials exploring novel dosing regimens and combination therapies.

Conversely, growth may be tempered by:

  • Intensifying competition from newer antifungals with better safety profiles.
  • Market saturation in developed regions.
  • Pricing pressures, especially for biosimilars and generics.

Profitability and Investment Outlook

Pharmaceutical companies continuing to invest in CUPRIMINE-related formulations or formulations improvement (such as nanoparticle carriers) may see improved margins. Conversely, cost containment and generic proliferation could compress profitability margins in mature markets.

Strategic Opportunities

  • Differentiation through formulation innovation: Liposomal and lipid complex variants with enhanced safety profiles can command premium pricing.
  • Expanding indications: Leishmaniasis and emerging fungal infections present niche opportunities.
  • Partnerships and licensing: Collaborations with biotech firms exploring targeted delivery systems could unlock new revenue streams.

Regulatory and Policy Environment

Stringent regulatory oversight, especially regarding safety and manufacturing standards, influences market access. International agencies like WHO and EMA facilitate the registration and widespread adoption of validated formulations. Policy shifts favoring access to essential medicines can bolster demand, whereas procurement restrictions due to safety concerns may hamper supply chains.


Supply Chain and Manufacturing Trends

Manufacturers are investing in manufacturing capacity expansion and ensuring compliance with Good Manufacturing Practices (GMP). Innovations aim to reduce production costs and improve stability, reducing price pressures and ensuring supply security.


Key Market Dynamics Summary

  • Steady demand driven by critical indications.
  • Market constrained by toxicity, safety concerns, and emergence of alternatives.
  • Growth aligned with emerging markets and formulation innovations.
  • Post-patent generic competition influences pricing and margins.
  • Regulatory, manufacturing, and geopolitical factors shape supply and demand.

Conclusion: The Future of CUPRIMINE in Pharmacological and Commercial Contexts

While CUPRIMINE maintains a purposeful niche in the antifungal landscape, its future financial trajectory hinges upon balancing innovation, safety improvements, and market expansion in emerging regions. The overall outlook suggests a modest, sustained market presence with opportunities for growth through strategic formulation enhancements and indications expansion. However, evolving competition and pricing constraints require vigilance for pharmaceutical stakeholders seeking resilience and profitability.


Key Takeaways

  • CUPRIMINE remains a critical antifungal agent with a stable, though mature, market presence.
  • Growth prospects are moderate, supported by emerging markets and formulation innovations.
  • Safety concerns and toxicity remain central to its clinical and commercial challenges.
  • Generic competition has lowered prices but preserved its essential role in severe infections.
  • Strategic investments in novel formulations and expanding indications are vital for future growth.

FAQs

Q1: What factors are influencing the decline or stability of CUPRIMINE sales?
A1: The decline/stability is driven by the emergence of generic versions, safety concerns prompting the development of safer formulations, and competition from newer antifungal agents. Nonetheless, its role in treating resistant infections sustains steady demand.

Q2: How does formulation innovation impact the market trajectory of CUPRIMINE?
A2: Liposomal and lipid complex formulations improve safety profiles, expanding clinical usage and allowing premium pricing which positively influences revenue and market share.

Q3: What are the primary healthcare markets anticipating growth for CUPRIMINE?
A3: The Asia-Pacific region and African countries are expected to see significant growth due to increased infectious disease burden, expanding healthcare programs, and improved access to antifungals.

Q4: How do manufacturing complexities affect the supply and costs of CUPRIMINE?
A4: Manufacturing complexities increase production costs, potentially limit supply, and contribute to higher pricing. Innovations in manufacturing aim to reduce these challenges and improve supply stability.

Q5: What legal and regulatory factors could shape CUPRIMINE’s future market?
A5: Regulatory approvals, safety standards, patent status, and policies surrounding essential medicines influence market entry, product availability, and pricing strategies.


References

[1] Grand View Research. "Antifungal Drugs Market Size, Share & Trends Analysis Report." 2022.
[2] Centers for Disease Control and Prevention. "Candida auris: Emerging multidrug-resistant yeast." 2021.
[3] IQVIA. "World Drug Market Report." 2021.
[4] Future Market Insights. "Global Antifungal Market Outlook." 2022.

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