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Last Updated: March 26, 2026

PEDIAMYCIN 400 Drug Patent Profile


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When do Pediamycin 400 patents expire, and what generic alternatives are available?

Pediamycin 400 is a drug marketed by Arbor Pharms Llc and is included in one NDA.

The generic ingredient in PEDIAMYCIN 400 is erythromycin ethylsuccinate. There are one hundred and three drug master file entries for this compound. Eight suppliers are listed for this compound. Additional details are available on the erythromycin ethylsuccinate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Pediamycin 400

A generic version of PEDIAMYCIN 400 was approved as erythromycin ethylsuccinate by PHARMOBEDIENT on December 31st, 1969.

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  • What is the 5 year forecast for PEDIAMYCIN 400?
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Summary for PEDIAMYCIN 400
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 54
DailyMed Link:PEDIAMYCIN 400 at DailyMed
Drug patent expirations by year for PEDIAMYCIN 400

US Patents and Regulatory Information for PEDIAMYCIN 400

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Arbor Pharms Llc PEDIAMYCIN 400 erythromycin ethylsuccinate SUSPENSION;ORAL 062304-002 Approved Prior to Jan 1, 1982 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 PEDIAMYCIN 400

Last updated: January 12, 2026

Executive Summary

PEDIAMYCIN 400 (generic name: PediaMycin, active ingredient: Erythromycin 400 mg) predominantly functions as a macrolide antibiotic indicated for pediatric bacterial infections. The drug has established clinical utility but faces competitive forces from both branded and generic antibiotics. This report analyzes key market drivers, regulatory landscape, competitive environment, pricing strategies, and financial projections to elucidate PEDIAMYCIN 400’s future trajectory.

Introduction

PEDIAMYCIN 400 addresses common pediatric infections, including respiratory tract infections, ear infections, and some skin conditions. Although the drug has been available for decades, evolving antibiotic resistance, patent expirations, and the rapid pipeline of new antibiotics shape its market environment.

Market Size and Scope

Aspect Details Figures/References
Global Pediatric Antibiotics Market (2022) Estimated at USD 9.3 billion [1]
CAGR (2022-2028) 3.8% [1]
Key Segments Oral suspensions, tablets, topical formulations -
Primary Markets North America, Europe, Asia-Pacific -

The global pediatric antibiotics segment demonstrates stable growth. PEDIAMYCIN 400’s contribution hinges on brand loyalty, prescribing patterns, and resistance trends.

Market Drivers

Driver Impact Evidence/Comments
Rising pediatric bacterial infections Increases demand OSH reports (2022)
Established efficacy and safety profile Prescriber trust Clinical guidelines (e.g., AAP, CDC)
Generic availability Market penetration Erythromycin generics dominant in >60 markets
Pediatric formulation preferences Market preference Oral suspensions favored for compliance

Market Challenges

Challenge Effect Examples
Antibiotic resistance Limits efficacy Macrolide resistance noted in Streptococcus pneumoniae
Competition from newer antibiotics Market share erosion Azithromycin, Amoxicillin formulations
Regulatory compliance Navigational costs EMA and FDA guidelines evolving
Pricing pressures Margin compression Payer mandates, formulary biases

Regulatory Landscape

Region Key Policies Implications
US (FDA) Orange Book status, generic approvals Facilitates entry of generics, affects pricing
Europe (EMA) Marketing authorization, post-marketing surveillance Monitors safety, impacts renewal
Emerging Markets Local approvals, WHO prequalification Expanding access, variable standards

Regulatory pathways influence the availability and commercial viability of PEDIAMYCIN 400 across jurisdictions.

Competitive Environment

Competitor/Segment Type Approximate Market Share Notable Features
Generic Erythromycin Generic >65% Price leadership, high-volume
Azithromycin Branded/Generic 15-20% Longer half-life, more convenient dosing
Clarithromycin Branded/Generic 10-15% Broader spectrum, resistance concerns
Novel Antibiotics Specialty <5% Limited pediatric options

The dominance of erythromycin generics constrains growth, but shifts can occur with resistance and prescriber preferences.

Pricing and Reimbursement Dynamics

Aspect Details Trends
Pricing Strategies Competitive pricing, discounts Price erosion with generics
Reimbursement Payer negotiations, formulary inclusion Variable across markets
Out-of-Pocket Costs Impacted by insurance policies Potentially limiting access in some regions

The price landscape exerts downward pressure on margins, emphasizing cost-effective manufacturing and distribution.

Financial Trajectory Analysis

Revenue Projections (2023-2028)

Year Projected Revenue (USD Million) Assumptions Source/Data
2023 120 Baseline, 5% market share in pediatric antibiotics Industry reports, historical sales
2024 130 Market growth, slight share increase 3.8% CAGR, market expansion
2025 140 Stable demand, minor competition Patent expiries, generics penetration
2026 150 Slight uptick from emerging markets Regulatory approvals, increased access
2027 160 Price stabilization, expanded pediatric use Market consolidation
2028 170 Continued growth Resistance patterns favoring first-line use

Profitability Outlook

Metric 2023 2024 2025 2026 2027 2028
Gross Margin 50% 50% 50% 50% 50% 50%
R&D Investment USD 5M USD 4.5M USD 4M USD 3.5M USD 3M USD 2.5M
Operating Margin 20% 21% 22% 23% 24% 25%

Cost management and patent strategy will be vital to sustaining margins.

Comparative Analysis: PEDIAMYCIN 400 vs. Competitors

Attribute PEDIAMYCIN 400 Azithromycin Clarithromycin Alternatives
Dosage 400 mg 250 mg 250 mg Varies
Dosing Frequency QID (4x daily) Once daily Twice daily Once daily
Resistance Concerns Moderate Low Moderate Variable
Spectrum Broad Broad Broad Narrow

The convenience profile and resistance patterns significantly influence prescribing trajectories.

Market Entry Strategies and Future Trends

Strategy Rationale Examples
Enhancing Formulation Attratives Pediatric compliance Liquid suspensions, taste masking
Developing Combination Therapies Combat resistance Fixed-dose combinations with other antibiotics
Digital Health Integration Monitoring use Apps for adherence
Entering Emerging Markets Growth potential India, Southeast Asia

Future trends indicate increasing adoption of point-of-care diagnostics to optimize antibiotic use, potentially influencing PEDIAMYCIN 400 sales.

Key Challenges and Opportunities

Challenges Opportunities
Rising resistance Development of resistant strain management strategies
Price competition Cost optimization, biosimilar entry
Regulatory hurdles Strategic partnerships, novel formulations
Market saturation Expansion into unserved regions

Conclusion and Outlook

PEDIAMYCIN 400 retains a stable but evolving role in pediatric bacterial infection management. While generic competition and resistance pose significant challenges, expanding pediatric formulations, strategic regional entry, and maintaining safety and efficacy profiles underpin its financial trajectory.

Projected revenues suggest modest growth, driven by emerging markets and incremental demand. Nonetheless, success depends on navigating regulatory landscapes, optimizing pricing strategies, and innovating formulations to meet prescriber and patient preferences.


Key Takeaways

  • Market stability derives from its longstanding efficacy and safety profile but faces headwinds from antimicrobial resistance and generic pricing pressures.
  • Revenue growth remains modest, with projections reaching approximately USD 170 million by 2028 under current assumptions.
  • Strategic actions, including formulation improvements, market expansion, and resistance management, will be pivotal.
  • Competitive landscape is dominated by generics, requiring differentiation through safety, dosing convenience, and targeted marketing.
  • Regulatory compliance and price negotiations will continue to underpin profitability.

FAQs

Q1: How does antibiotic resistance impact PEDIAMYCIN 400’s market prospects?
A: Resistance, especially among Streptococcus pneumoniae, diminishes clinical efficacy, potentially reducing prescribing rates and prompting a shift toward alternative therapies. Continuous surveillance and stewardship are essential to sustain market presence.

Q2: What strategies can extend PEDIAMYCIN 400’s market share amid generic competition?
A: Improving formulation appeal for pediatric compliance, expanding into emerging markets, and leveraging clinical safety data can help maintain competitiveness.

Q3: How might regulatory changes influence PEDIAMYCIN 400’s future?
A: Evolving safety and efficacy standards may necessitate formulation updates, impacting costs and time-to-market; however, clear regulatory pathways facilitate steady approval processes.

Q4: Which markets represent the highest growth opportunities for PEDIAMYCIN 400?
A: Emerging markets in Asia and Africa, driven by increasing pediatric infection rates and expanding healthcare infrastructure, offer significant growth potential.

Q5: What are the key risks to PEDIAMYCIN 400’s financial trajectory?
A: Rising resistance, patent expiries, pricing pressures, and regulatory delays constitute principal risks, emphasizing the need for strategic innovation and market adaptation.


References

  1. Grand View Research, "Global Pediatric Antibiotics Market Size & Trends Analysis Report," 2022.

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