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Last Updated: December 12, 2025

MORICIZINE HYDROCHLORIDE - Generic Drug Details


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What are the generic drug sources for moricizine hydrochloride and what is the scope of freedom to operate?

Moricizine hydrochloride is the generic ingredient in one branded drug marketed by Shire and is included in one NDA. Additional information is available in the individual branded drug profile pages.

Summary for MORICIZINE HYDROCHLORIDE
US Patents:0
Tradenames:1
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 38
Clinical Trials: 5
DailyMed Link:MORICIZINE HYDROCHLORIDE at DailyMed
Recent Clinical Trials for MORICIZINE HYDROCHLORIDE

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

SponsorPhase
Federal University of São PauloPhase 4
Fundação de Amparo à Pesquisa do Estado de São PauloPhase 4
University of WashingtonPhase 3

See all MORICIZINE HYDROCHLORIDE clinical trials

Medical Subject Heading (MeSH) Categories for MORICIZINE HYDROCHLORIDE

US Patents and Regulatory Information for MORICIZINE HYDROCHLORIDE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Shire ETHMOZINE moricizine hydrochloride TABLET;ORAL 019753-002 Jun 19, 1990 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Shire ETHMOZINE moricizine hydrochloride TABLET;ORAL 019753-003 Jun 19, 1990 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Shire ETHMOZINE moricizine hydrochloride TABLET;ORAL 019753-001 Jun 19, 1990 DISCN No No ⤷  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

Expired US Patents for MORICIZINE HYDROCHLORIDE

Market Dynamics and Financial Trajectory for MORICIZINE HYDROCHLORIDE

Last updated: July 30, 2025

Introduction

Moricizine Hydrochloride (C18H22ClN3O2), a class 1c antidysrhythmic agent, remains an established pharmaceutical ingredient primarily utilized in managing cardiac arrhythmias. Despite its longstanding presence in medical practice, the evolving landscape of antiarrhythmic therapies, regulatory considerations, and market forces shape its commercialization and financial prospects. This report analyzes key market drivers, competitive dynamics, regulatory factors, and financial trajectories relevant to Moricizine Hydrochloride, equipping stakeholders with strategic insights.

Market Overview and Therapeutic Context

Moricizine Hydrochloride, marketed historically for arrhythmia control, features distinctive pharmacodynamics—blocking sodium channels to stabilize cardiac electrical activity. Its clinical applications include atrial fibrillation, ventricular arrhythmias, and other conduction disorders. Although its use has declined in some regions due to the advent of newer agents, it persists in niche markets, especially where older medications remain in formulary.

Globally, the antiarrhythmic drugs market, valued at approximately USD 4.7 billion in 2022, is projected to expand at a CAGR of around 3.5% through 2030 [1]. Within this, the segment of class 1c agents like Moricizine faces market challenges but retains niche demand, especially in emerging markets and in settings with limited access to newer therapies.

Market Dynamics Influencing Moricizine Hydrochloride

1. Therapeutic Efficacy and Safety Profile

Moricizine's clinical profile impacts its market trajectory. Its efficacy in arrhythmia management is well-established; however, concerns regarding pro-arrhythmic risks and adverse effects have led to reduced prescribing in some regions. Advances in alternative agents with better safety data, such as amiodarone or sotalol, have shifted prescribing patterns away from Moricizine.

Implication: Market share potential is limited by safety perceptions, favoring niche or off-label applications rather than broad adoption.

2. Regulatory Environment

Regulatory agencies like the FDA and EMA have tightened control over older antiarrhythmic drugs owing to safety concerns. While Moricizine remains approved in select markets (e.g., certain Asian countries), it faces regulatory challenges elsewhere, potentially hindering new formulations or expanded indications.

Implication: Regulatory hurdles limit market expansion, but existing approvals sustain current production and sales where permitted.

3. Patent Landscape and Generic Competition

Moricizine Hydrochloride is a generic compound with multiple manufacturers worldwide. The absence of patent exclusivity drives competition, exerting downward pressure on prices. Although generic proliferation ensures accessibility, it compresses profit margins for manufacturers.

Implication: Profitability relies on manufacturing efficiencies and regional market dynamics rather than patent protections.

4. Supply Chain and Manufacturing

Manufacturing complexities for synthetic routes of Moricizine influence supply stability. The compound's synthesis involves multi-step processes with moderate costs. Dependence on specific chemical intermediates can pose risks, particularly amid regulatory scrutiny or supply disruptions.

Implication: Optimization of manufacturing processes can safeguard margins and ensure consistent supply.

5. Competitive Landscape

Newer antiarrhythmic agents, including beta-blockers and device-based therapies, have reduced reliance on traditional agents like Moricizine. The market for antiarrhythmic drugs is highly competitive, with a preference for agents with favorable safety profiles and proven long-term efficacy [2].

Implication: Moricizine’s niche positioning limits its growth, emphasizing the importance of differentiated marketing or geographic targeting.

Financial Trajectory

Revenue Projections

Given market challenges, the revenue trajectory for Moricizine Hydrochloride is expected to be modest. In mature markets, sales are likely to stabilize or decline gradually, barring regulatory or clinical breakthroughs. In emerging markets, demand may hold steady due to affordability and existing prescribing habits.

For instance, in markets where Moricizine is still prescribed for specific arrhythmia cases, annual revenues could range from USD 10-50 million per region, assuming continued demand and stable supply, based on existing generic sales data [3]. Any expansion beyond these regions depends on regulatory approvals and physician acceptance.

Cost Structure and Profitability

Manufacturing costs are moderate, with economies of scale influencing margins. Price erosion from competition, coupled with regulatory compliance costs, compress net margins. Companies employing strategic cost management—such as process optimization or bulk procurement—can sustain profitability.

Market Entry and Growth Opportunities

Limited organic growth prospects necessitate strategic approaches:

  • Niche Market Focus: Targeted marketing to cardiology specialists in regions lacking newer alternatives.
  • Formulation Innovations: Developing different dosage forms (extended-release, combination formulations) may enhance appeal.
  • Regulatory Navigation: Securing approval for new indications or formulations could open incremental revenue streams.

Risks and Uncertainties

  • Regulatory constraints may restrict or prohibit use in certain markets.
  • Safety concerns could reduce prescriber confidence, especially if adverse effects become more prominent in post-market surveillance.
  • Competitive innovations may render Moricizine obsolete or less relevant.

Strategic Recommendations

  • Market Segmentation: Focus primary efforts on regions with less stringent regulations and established use.
  • Product Development: Invest in dosage form innovations and combination therapies to differentiate offerings.
  • Regulatory Engagement: Proactively address safety concerns through robust pharmacovigilance and risk mitigation strategies.
  • Cost Leadership: Optimize manufacturing to sustain competitive pricing.

Key Takeaways

  • Moricizine Hydrochloride faces a constrained global market driven by safety concerns, competition, and regulatory challenges.
  • Its niche applicability, primarily in select regions and specific arrhythmia cases, limits substantial revenue growth.
  • Cost-efficient manufacturing and strategic regional targeting are critical for sustaining profitability.
  • Opportunities exist through product differentiation, regulatory navigation, and expanding into emerging markets.
  • Long-term financial success depends on balancing safety, efficacy, and market access dynamics amid evolving cardiac therapy landscapes.

FAQs

1. Is Moricizine Hydrochloride still approved for clinical use globally?
Yes, Moricizine remains approved in certain countries, particularly in some Asian markets, but its regulatory status varies worldwide due to safety and efficacy considerations.

2. What are the main competitors to Moricizine in the antiarrhythmic market?
Key competitors include amiodarone, sotalol, flecainide, and propafenone, which often have better safety profiles or broader indications.

3. Can Moricizine Hydrochloride be repurposed for new indications?
Currently, there are limited opportunities for repurposing due to safety concerns and lack of ongoing clinical research targeting new indications.

4. How does the patent landscape influence Moricizine's market prospects?
As a generic compound, patent protections are absent, leading to high market competition and pricing pressures.

5. What strategies can manufacturers adopt to extend Moricizine's market lifespan?
Manufacturers should explore formulation innovations, regional expansion, and engaging with regulatory agencies for approval of new uses or delivery systems.


Sources
[1] Research and Markets, "Global Antiarrhythmic Drugs Market," 2022.
[2] MarketWatch, "Antiarrhythmic Drugs Industry Trends," 2023.
[3] IQVIA, "Global Generic Pharmaceutical Market Data," 2022.

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