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Last Updated: April 1, 2026

CISATRACURIUM BESYLATE Drug Patent Profile


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Which patents cover Cisatracurium Besylate, and what generic alternatives are available?

Cisatracurium Besylate is a drug marketed by Accord Hlthcare, Caplin, Eugia Pharma, Fresenius Kabi Usa, Gland, Hainan Poly, Hengrui Pharma, Hikma, Hospira, Meitheal, Piramal, Sagent Pharms Inc, Sandoz Inc, Somerset, Zydus Pharms, and Somerset Theraps Llc. and is included in twenty-six NDAs.

The generic ingredient in CISATRACURIUM BESYLATE is cisatracurium besylate. There are nine drug master file entries for this compound. Thirteen suppliers are listed for this compound. Additional details are available on the cisatracurium besylate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Cisatracurium Besylate

A generic version of CISATRACURIUM BESYLATE was approved as cisatracurium besylate by SANDOZ INC on February 3rd, 2012.

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Drug patent expirations by year for CISATRACURIUM BESYLATE
Drug Prices for CISATRACURIUM BESYLATE

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Recent Clinical Trials for CISATRACURIUM BESYLATE

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SponsorPhase
Watim Medical & Dental CollegeNA
Second Affiliated Hospital of Nanchang UniversityPhase 4
Yichang Humanwell Pharmaceutical Co.,LtdPhase 4

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Pharmacology for CISATRACURIUM BESYLATE
Paragraph IV (Patent) Challenges for CISATRACURIUM BESYLATE
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
NIMBEX PRESERVATIVE FREE Injection cisatracurium besylate 2 mg/mL, 10 mL vial 020551 1 2009-08-12
NIMBEX PRESERVATIVE FREE Injection cisatracurium besylate 2 mg/mL, 5 mL vial and 10 mg/mL, 20 mL vial 020551 1 2009-08-04

US Patents and Regulatory Information for CISATRACURIUM BESYLATE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Somerset Theraps Llc CISATRACURIUM BESYLATE PRESERVATIVE FREE cisatracurium besylate INJECTABLE;INJECTION 206791-001 Feb 20, 2019 AP RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Eugia Pharma CISATRACURIUM BESYLATE PRESERVATIVE FREE cisatracurium besylate INJECTABLE;INJECTION 209665-001 Oct 27, 2020 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Zydus Pharms CISATRACURIUM BESYLATE cisatracurium besylate INJECTABLE;INJECTION 213527-001 Sep 1, 2020 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Cisatracurium Besylate: Market Dynamics and Financial Trajectory

Last updated: February 19, 2026

What is Cisatracurium Besylate's Current Market Position?

Cisatracurium besylate is a non-depolarizing neuromuscular blocking agent. It is primarily used in clinical settings, such as operating rooms and intensive care units, to facilitate endotracheal intubation and provide skeletal muscle relaxation during surgical procedures or mechanical ventilation. Its key pharmacological attribute is its relatively low histamine release compared to older agents like atracurium.

The global market for cisatracurium besylate is characterized by the presence of both originator brands and a significant number of generic manufacturers. Key players include Fresenius Kabi, Pfizer (via its acquisition of Hospira), and various generic pharmaceutical companies based in India and China.

The demand for cisatracurium besylate is directly linked to the volume of surgical procedures performed and the utilization of mechanical ventilation. Factors influencing these include aging global populations, rising prevalence of chronic diseases requiring surgical intervention, and advancements in medical technologies that expand the scope of surgical treatments. The COVID-19 pandemic temporarily increased demand for neuromuscular blockers due to widespread mechanical ventilation, though this has since normalized.

What are the Key Market Drivers and Restraints?

Market Drivers:

  • Increasing Surgical Procedures: Global surgical volumes are projected to grow due to an expanding and aging population, coupled with a rise in the incidence of conditions requiring surgical intervention, such as cardiovascular diseases, cancer, and orthopedic issues.
  • Advancements in Anesthesia and Critical Care: Improved anesthetic techniques and critical care management strategies often rely on neuromuscular blockade for optimal patient management, driving demand.
  • Generic Competition: The presence of multiple generic manufacturers has led to price erosion, making cisatracurium besylate more accessible and increasing its adoption in cost-sensitive healthcare systems.
  • Perceived Safety Profile: Compared to some older neuromuscular blockers, cisatracurium besylate's lower propensity for histamine release is often cited as a favorable attribute, influencing physician preference.

Market Restraints:

  • Price Pressures from Generics: Intense competition among generic manufacturers has significantly reduced profit margins for suppliers.
  • Availability of Alternative Agents: Other neuromuscular blocking agents, including rocuronium, vecuronium, and succinylcholine, are available and may be preferred in certain clinical scenarios or due to cost considerations.
  • Regulatory Hurdles for New Entrants: Stringent regulatory requirements for drug approval and manufacturing can be a barrier for new companies entering the market.
  • Potential for Supply Chain Disruptions: As with many injectable drugs, the supply chain for cisatracurium besylate can be vulnerable to raw material shortages or manufacturing issues, potentially leading to temporary shortages.

What is the Competitive Landscape and Key Player Strategies?

The cisatracurium besylate market is highly competitive, with a substantial portion dominated by generic products. The originator product, Nimbex, was developed by GlaxoSmithKline, but its patent protection has long expired.

Key Players and Strategies:

  • Fresenius Kabi: This company is a significant global player in injectable pharmaceuticals, including neuromuscular blockers. Its strategy often focuses on a broad portfolio, efficient manufacturing, and strong distribution networks to supply hospitals and healthcare facilities worldwide.
  • Pfizer (through Hospira acquisition): Pfizer inherited Hospira's established portfolio of injectable drugs, including cisatracurium besylate. Their strategy likely involves leveraging existing manufacturing capabilities and market access gained from Hospira to maintain market share.
  • Indian and Chinese Generic Manufacturers (e.g., Sun Pharmaceutical Industries, Dr. Reddy's Laboratories, Cipla, Zhejiang Huahai Pharmaceutical): These companies compete aggressively on price. Their strategies typically involve cost-efficient manufacturing, rapid development of generic versions following patent expiry, and targeting price-sensitive markets, including emerging economies. They often aim for high-volume sales to compensate for lower profit margins per unit.
  • Specialty Injectable Manufacturers: Smaller, specialized companies may focus on specific markets or product formulations, but the overall market is largely consolidated among larger generic players.

Competitive strategies revolve around:

  • Cost Leadership: Achieved through optimized manufacturing processes, economies of scale, and sourcing of raw materials.
  • Supply Chain Reliability: Ensuring consistent availability to hospitals is crucial to secure and retain contracts.
  • Product Quality and Compliance: Meeting rigorous regulatory standards is non-negotiable.
  • Market Access and Distribution: Establishing strong relationships with hospital purchasing groups and distributors.

What is the Pricing and Reimbursement Scenario?

Pricing for cisatracurium besylate is largely dictated by generic competition. The market operates on a wholesale acquisition cost (WAC) model, with significant discounts and rebates offered to large hospital systems and group purchasing organizations (GPOs).

  • Price Erosion: The widespread availability of multiple generic versions has led to substantial price erosion since the expiry of originator patents. Prices can vary significantly based on the manufacturer, volume of purchase, and contract terms.
  • Reimbursement: Cisatracurium besylate is a critical care and surgical drug, and its cost is typically covered under hospital operating budgets or specific procedure-related billing codes. Reimbursement is generally favorable for medically necessary indications, with the drug being a standard of care in many surgical and ICU protocols. However, payers (including government programs and private insurers) exert pressure on healthcare providers to manage costs, indirectly influencing the pricing negotiations for drugs like cisatracurium besylate.
  • Average Selling Price (ASP) Trends: The ASP for cisatracurium besylate has been on a downward trend for over a decade due to competitive pressures. While specific figures fluctuate, the general trend indicates a commoditized market for this drug. For instance, prices in some markets for a 10 mL vial (e.g., 20 mg) can range from under $5 to upwards of $20 depending on the supplier and volume.

What is the Patent Landscape and Exclusivity Status?

The patent landscape for cisatracurium besylate is mature. The primary patents protecting the original compound and its synthesis routes have long expired.

  • Originator Patents: GlaxoSmithKline's original patents for cisatracurium besylate expired in the early to mid-2000s.
  • Generic Entry: This patent expiry allowed for the widespread introduction of generic versions of cisatracurium besylate, fundamentally altering the market dynamics and leading to the competitive pricing observed today.
  • Potential for New Patents: While the core compound is off-patent, companies might hold patents related to:
    • Manufacturing Processes: Novel or improved synthetic routes that offer cost advantages or higher purity.
    • Formulations: New formulations, such as pre-filled syringes or extended-release versions, though this is less common for short-acting agents like cisatracurium besylate.
    • Delivery Devices: Patents related to specific administration devices could exist, but are unlikely to confer market exclusivity for the drug substance itself.
    • New Indications: While unlikely for a well-established drug, exploring new therapeutic uses could theoretically lead to new patentable intellectual property, but this is not a significant driver for cisatracurium besylate.

The lack of strong, active patent protection for the drug substance itself means that market exclusivity is primarily driven by regulatory exclusivities (if any remain from original filings or subsequent exclusivities for new indications, which are rare for older drugs) and the business advantages of established manufacturers, such as supply chain efficiency and market relationships.

What is the Future Outlook and Financial Trajectory?

The financial trajectory of cisatracurium besylate is expected to be characterized by stable, albeit low, growth, driven primarily by volume rather than price appreciation.

  • Volume Growth: Continued global growth in surgical procedures and critical care utilization will support sustained demand. The increasing number of surgeries performed in emerging economies represents a key growth area.
  • Price Stability (within a low range): While significant price increases are unlikely due to ongoing generic competition, prices may see minor fluctuations based on supply-demand dynamics and raw material costs. The market is unlikely to support premium pricing for cisatracurium besylate.
  • Profitability: Profitability for manufacturers will largely depend on operational efficiency, economies of scale, and cost management. Companies with highly optimized manufacturing processes and strong global distribution networks will likely maintain or improve their profit margins.
  • Innovation Constraints: Given the mature nature of the drug and the lack of significant patent barriers, major investment in novel R&D for cisatracurium besylate is improbable. Focus will remain on optimizing existing manufacturing and supply chains.
  • Market Consolidation: The competitive pricing environment may lead to further market consolidation as smaller players struggle with profitability and are acquired by larger entities seeking to gain market share or expand their generic injectable portfolios.

Projected Market Value: The global market for cisatracurium besylate, while part of the broader neuromuscular blocker market, is a mature segment. Analysts estimate the overall neuromuscular blocker market to be in the range of several billion USD annually, with cisatracurium besylate representing a significant but not dominant portion. The growth rate for cisatracurium besylate is projected to be in the low single digits (e.g., 2-4% CAGR) over the next five to seven years, primarily driven by volume increases in developing regions.

Key Takeaways

  • Cisatracurium besylate operates in a highly competitive generic drug market.
  • Demand is driven by increasing surgical volumes and critical care needs.
  • Intense price competition from multiple generic manufacturers limits profit margins.
  • The patent landscape is mature, with originator patents long expired, facilitating generic entry.
  • Future financial trajectory is expected to show stable, low-single-digit volume-driven growth, with profitability contingent on manufacturing efficiency and economies of scale.

Frequently Asked Questions

  1. What is the primary therapeutic use of cisatracurium besylate? Cisatracurium besylate is used as a skeletal muscle relaxant to facilitate endotracheal intubation and provide muscle relaxation during surgical procedures and mechanical ventilation.

  2. Which companies are major manufacturers of cisatracurium besylate? Major manufacturers include Fresenius Kabi, Pfizer (via Hospira), and numerous Indian and Chinese generic pharmaceutical companies.

  3. What are the main factors influencing the pricing of cisatracurium besylate? The primary factors influencing pricing are intense generic competition, purchase volume, and contract terms negotiated with healthcare providers and group purchasing organizations.

  4. Are there any significant patent barriers to entry for new cisatracurium besylate manufacturers? No, the primary patents for cisatracurium besylate have expired, allowing for broad generic competition. New patents may exist for specific manufacturing processes or formulations but do not generally block entry for generic versions of the active pharmaceutical ingredient.

  5. What is the projected growth rate for the cisatracurium besylate market? The market is projected to grow at a low single-digit compound annual growth rate (CAGR), estimated between 2% and 4%, driven primarily by increasing global demand for surgical procedures and critical care services.

Citations

[1] Global Market Insights. (n.d.). Neuromuscular Drugs Market Analysis Report. [2] Grand View Research. (n.d.). Neuromuscular Drugs Market Size, Share & Trends Analysis Report. [3] Various industry reports and company financial statements from manufacturers of generic pharmaceuticals (e.g., Fresenius Kabi, Pfizer, Sun Pharmaceutical Industries, Dr. Reddy's Laboratories, Cipla). Specific access to these proprietary reports is often subscription-based. [4] U.S. Food and Drug Administration. (n.d.). Orange Book: Approved Drug Products with Therapeutic Equivalence Evaluations. (Used to verify patent expiry and generic approval status).

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