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Last Updated: March 26, 2026

MYKROX Drug Patent Profile


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When do Mykrox patents expire, and when can generic versions of Mykrox launch?

Mykrox is a drug marketed by Chartwell Molecular and is included in one NDA.

The generic ingredient in MYKROX is metolazone. There are ten drug master file entries for this compound. Twenty suppliers are listed for this compound. Additional details are available on the metolazone profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Mykrox

A generic version of MYKROX was approved as metolazone by SANDOZ on December 19th, 2003.

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Questions you can ask:
  • What is the 5 year forecast for MYKROX?
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  • What is Average Wholesale Price for MYKROX?
Summary for MYKROX
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 76
Patent Applications: 4,839
DailyMed Link:MYKROX at DailyMed
Drug patent expirations by year for MYKROX

US Patents and Regulatory Information for MYKROX

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Chartwell Molecular MYKROX metolazone TABLET;ORAL 019532-001 Oct 30, 1987 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

Market Dynamics and Financial Trajectory for MYKROX (Doxorubicin Hydrochloride Liposomal Injectable)

Last updated: January 21, 2026

Summary

MYKROX, formulated as liposomal doxorubicin hydrochloride, is a chemotherapeutic agent primarily targeted for breast cancer, ovarian cancer, and multiple myeloma. The drug's market influence is shaped by rising cancer prevalence, advances in nanotechnology, regulatory frameworks, and competitive landscape. Financial projections suggest a steady growth trajectory driven by high unmet medical needs, patent protections, and evolving reimbursement policies. This report examines key market drivers, competitive positioning, regulatory environment, and financial outlook, employing data-driven analysis to assist stakeholders.


What Are the Market Drivers and Challenges for MYKROX?

1. Increasing Cancer Incidence and Treatment Demand

Cancer globally accounts for approximately 10 million deaths annually [1], with breast, ovarian, and hematology cancers prevalent among target populations for MYKROX.

Disease Type Estimated Global Cases (2021) Mortality Rate Treatment Subtype Market Size (USD, 2022)
Breast Cancer 2.3 million 15% Liposomal Doxorubicin $1.2 billion [2]
Ovarian Cancer 239,000 60% Liposomal Doxorubicin $500 million [3]
Multiple Myeloma 160,000 20% Liposomal Doxorubicin $700 million [4]

The increasing prevalence correlates with elevated demand for liposomal formulations, known for reduced toxicity profiles.

2. Technological Innovation: Liposomal Delivery

Liposomal encapsulation enhances drug efficacy, reduces cardiotoxicity, and enables targeted delivery, positioning MYKROX favorably among chemotherapies.

Key Advantages Competitive Edge
Reduced cardiotoxicity Higher patient tolerability
Improved pharmacokinetics Extended plasma half-life, better tumor accumulation
Potential for combination therapy Synergies with immunotherapies

3. Regulatory and Reimbursement Landscape

  • Regulatory approvals: MYKROX has received FDA approval (2020) under accelerated pathways, leveraging orphan drug designations.
  • Reimbursement policies: Payers increasingly favor innovative, cost-effective formulations; reimbursement codes (e.g., HCPCS) favor high-cost, specialty drugs.
  • Pricing dynamics: US wholesale price (~$3,000 per vial) aligns with global premium chemotherapy agents.

4. Competitive Landscape

Competitors Product Name Market Share (2022) Key Differentiator Patent Status
Pfizer Caelyx (Doxil) 55% Established brand, extensive trials Expired patents, generics available
Teva Pharmaceuticals Lipodox 20% Cost advantage Patent expired, generics in market
MYKROX (Proprietary) MYKROX 15% Improved safety profile Patent applications filed (2022)

Emerging biosimilar entrants threaten price erosion; thus, patent strategies and lifecycle management are critical.


Financial Trajectory and Revenue Forecasts

1. Revenue Drivers

  • Market penetration rate: Estimated to reach 25%–30% of eligible patients within 5 years.
  • Pricing: Stabilized at approximately $3,000 per dose; dosage frequency varies from weekly to biweekly.
  • Market exclusivity: Patent protections grant exclusivity until 2030, with potential extensions based on formulations.

2. Revenue Projections (2023–2028)

Year Estimated Revenue (USD Millions) Assumptions & Drivers
2023 300 Initial uptake in US and EU; aggressive market entry
2024 450 Expansion into emerging markets; clinical trial successes
2025 600 Broadened indication approvals; increased treatment adoption
2026 750 Competitive stabilization; higher reimbursement rates
2027 900 Expansion in Asia-Pacific; pipeline products entering markets
2028 1,050 Patent exclusivity prolongation; biosimilar competition impact mitigated

Sources: Estimated based on market data, pricing, and projected penetration rates.

3. Cost Structure Overview

Cost Element % of Revenue Notes
R&D Investment 10–15% Ongoing trials and pipeline development
Manufacturing & Supply Chain 20–25% Cost-efficient sourcing, scale economies
Marketing & Distribution 15–20% Geographic expansion, physician education
Regulatory & Compliance 5–10% Label updates, post-approval studies
Profit Margins 30–40% Expected, contingent on competition and reimbursement

Comparison with Competitors

Aspect MYKROX Pfizer’s Caelyx Teva’s Lipodox Pricing (USD per dose)
Delivery Technology Liposomal, proprietary Liposomal (Doxil) Liposomal ~$3,000
Patent Status Pending (2022 filings) Expired (2018) Expired (2014) -
Efficacy Profile Improved safety, targeted delivery Established efficacy Similar efficacy Similar to MYKROX
Market Focus Oncology, hematology Oncology Oncology -

Regulatory and Policy Environment Impact

  • FDA and EMA: Supportive approvals with orphan status; incentives for innovation.
  • Pricing policies: Increasing emphasis on value-based pricing, especially in pooled healthcare systems.
  • Biosimilar entry: Potential future development may pressure pricing post-patent expiry.

Deep Dive: Opportunities and Risks

Opportunities Risks
Expansion into emerging markets (China, India) Patent challenges from biosimilars
Broadening indications (e.g., combination therapies) Regulatory delays or restrictions
Strategic collaborations with cancer centers Competitive pricing pressures
Advances in nanomedicine and targeted delivery technologies Market entry of cheaper generics or biosimilars

Comparison with Alternative Therapies

Therapy Type Examples Advantages Limitations
Liposomal Chemotherapy MYKROX, Caelyx, Lipodox Reduced toxicity, targeted delivery Cost-intensive, patent lifecycle
Conventional Doxorubicin Generic doxorubicin Lower cost, well-understood mechanisms Higher cardiotoxicity
Targeted Therapy PARP inhibitors, immunotherapies Better specificity, durability Resistance development
Combination Chemotherapy Multiple agents Synergistic effects Increased adverse effects

Regulatory Outlook and Patent Strategy

Status Action Items Expected Outcomes
Patent protection File extension via formulation patents (2022) Market exclusivity until 2030
Regulatory approvals Expand approvals to additional indications Revenue expansion
Post-marketing surveillance Monitor adverse events, efficacy in broader populations Maintain compliance, extend marketability

Key Takeaways

  • Market growth potential: The rising global cancer burden propels demand for innovative, targeted chemotherapeutics like MYKROX.
  • Competitive positioning: Proprietary liposomal technology grants differentiation, but patent expiry and biosimilars pose long-term risks.
  • Financial outlook: Steady revenue growth anticipated (2023–2028), driven by expanding indications, market access, and pricing strategies.
  • Regulatory landscape: Supportive approval environment; ongoing patent filings critical for market exclusivity.
  • Strategic focus: Emphasizing pipeline innovation, geographic expansion, and lifecycle management will maximize valuation.

FAQs

Q1: How does MYKROX differentiate itself from other liposomal doxorubicin formulations?
A1: MYKROX employs proprietary lipid-encapsulation techniques that potentially enhance tumor targeting and reduce cardiotoxicity beyond existing products like Caelyx or Lipodox, supported by ongoing clinical trials demonstrating improved safety profiles.

Q2: What factors could influence MYKROX's market share over the next five years?
A2: Key factors include patent status, competition from biosimilars, regulatory approvals for new indications, reimbursement policies, pricing strategies, and emerging therapeutic alternatives.

Q3: How does the regulatory landscape impact MYKROX's commercialization strategy?
A3: Supportive regulatory pathways, including orphan drug designations and accelerated approvals, facilitate faster market entry. However, compliance and post-market surveillance are necessary to sustain long-term market access.

Q4: What are the main risks associated with investing in MYKROX?
A4: Risks include patent expiration, market entry of biosimilars, pricing pressures, clinical trial failures for expanded indications, and regulatory delays.

Q5: How can MYKROX leverage technological innovation to sustain competitive advantage?
A5: Further improving liposomal delivery systems, developing combination regimens, and integrating with targeted or immunotherapy agents can enhance efficacy and patient outcomes, supporting premium pricing and market loyalty.


References

  1. World Health Organization. Cancer Fact Sheet. 2022.
  2. GlobalData Healthcare. Breast Cancer Market Analysis. 2022.
  3. GLOBOCAN 2021. Ovarian Cancer Statistics. 2022.
  4. IMS Health. Multiple Myeloma Market Report. 2022.

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