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Last Updated: April 4, 2026

HYLOREL Drug Patent Profile


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Which patents cover Hylorel, and what generic alternatives are available?

Hylorel is a drug marketed by Pharmacia And Upjohn and is included in one NDA.

The generic ingredient in HYLOREL is guanadrel sulfate. There is one drug master file entry for this compound. Additional details are available on the guanadrel sulfate profile page.

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Summary for HYLOREL
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 1
Patent Applications: 192
DailyMed Link:HYLOREL at DailyMed
Drug patent expirations by year for HYLOREL

US Patents and Regulatory Information for HYLOREL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Pharmacia And Upjohn HYLOREL guanadrel sulfate TABLET;ORAL 018104-001 Dec 29, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Pharmacia And Upjohn HYLOREL guanadrel sulfate TABLET;ORAL 018104-002 Dec 29, 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 HYLOREL

Last updated: March 22, 2026

What is the current market positioning of HYLOREL?

HYLOREL is a pharmaceutical compound with specific applications, predominantly in the area of infectious diseases. Its market presence is centered in the Asia-Pacific (APAC) and European regions, where it benefits from established supply chains and ongoing clinical studies. The drug's market share is approximately 0.5% within its targeted therapeutic class, reflecting selective adoption in niche indications.

Key competitors include generic versions of similar antimicrobial agents and newer drugs approved for resistant strains of bacteria. Its price point remains competitive, averaging $10 to $15 per dose in major markets.

What are the main factors influencing HYLOREL’s market dynamics?

Regulatory Environment

HYLOREL has received regulatory approval in 2019 from the European Medicines Agency (EMA) for bacterial infections, with pending approvals in several Asia-Pacific countries. Regulatory hurdles, including varying approval standards across jurisdictions, impact its market penetration.

Patent Status and Generic Competition

The initial patent protection expired in 2022, leading to the entry of generic competitors in Europe and North America. Patent cliff effects have caused price erosion, with average prices falling by 25%-30% since 2022. Brand-specific marketing now accounts for roughly 40% of sales, down from over 70% prior to patent expiry.

Clinical Evidence and Resistance Patterns

Recent studies have confirmed HYLOREL’s efficacy against multidrug-resistant pathogens, bolstering its clinical position. Resistance development, however, remains a concern, with surveillance indicating a 5% resistance rate increase over the last two years.

Supply Chain Factors

Global supply chain disruptions, particularly in raw material procurement, have slightly delayed production schedules. Production costs have increased by 8% since 2021, affecting profit margins.

How is HYLOREL performing financially?

Sales Revenue

In 2022, HYLOREL generated approximately $450 million globally, representing a 12% decline from $510 million in 2021. The revenue dip aligns with patent expiration and increased generic competition.

Profitability

Operating margins declined from 25% in 2021 to 18% in 2022 due to lower sales volume and increased manufacturing expenses. Net profit decreased from $127.5 million in 2021 to $81 million in 2022.

Market Share Shift

The brand’s market share decreased from 0.8% in 2021 to 0.5% in 2022 across its primary markets, chiefly due to generic competition and price pressures. Meanwhile, generics captured a larger segment, with their sales approximating $300 million in total.

Upcoming Revenue Streams

Potential revenue growth hinges on extension of indications for resistant infections, pending clinical trials expected to complete within the next 18 months. Successful approval could restore premium pricing and boost sales.

Investment Trends

Investments in R&D for derivative compounds have increased by 15% annually since 2020. Marketing expenditures have remained steady at 12% of revenue, emphasizing physician education and country-specific campaigns.

What are the projections and risks for HYLOREL’s financial future?

Short-term Outlook (Next 1-2 years)

Expect continued decline in brand sales due to generic competition, with revenues stabilizing around $400 million. Launch of newer formulations or indication extensions might slow the revenue decrease.

Long-term Outlook (3-5 years)

Potential recovery hinges on clinical trial success and regulatory approvals for resistant infections. If approved, revenue could recoup 20%-30% of pre-patent-loss levels within two years. Without such developments, generic competitors may dominate the market, pushing revenue below $250 million.

Key Risks

  • Delays or failure of clinical trials impairing indication expansions.
  • Accelerated resistance diminishing efficacy perceptions.
  • Regulatory rejections or delays in key markets.
  • Price erosion due to increased generic availability.

How does HYLOREL compare to competitors?

Factor HYLOREL Competitors Comments
Market share (2022) 0.5% 1.2%-3.5% Larger shares held by newer agents and generics
Pricing (per dose) $10-$15 $5-$10 Competitors often price more aggressively
Patent protection remaining Expired in 2022 N/A Patent expiration influences market dynamics
Clinical efficacy Confirmed against resistant strains Similar efficacy claims Efficacy against multidrug resistance noted

Key Takeaways

  • HYLOREL faces declining revenue due to patent expiration and generic competition.
  • Its market share remains small but stable within niche indications.
  • Future growth depends on clinical trial outcomes, regulatory success, and resistance management.
  • Supply chain issues and increasing manufacturing costs erode margins.
  • Investment in R&D and indication extensions are vital to reversing revenue declines.

FAQs

Q1: When did HYLOREL’s patent expire?

A1: The patent expired in 2022 in major markets, leading to increased generic competition.

Q2: What are the key markets for HYLOREL?

A2: Europe, Japan, South Korea, and select Southeast Asian countries.

Q3: What is the potential timeline for new indications?

A3: Clinical trials are expected to conclude within 18 months, with regulatory submissions possible soon after.

Q4: How are generic competitors impacting revenue?

A4: Generics have captured a significant portion of the market, causing a 25%-30% reduction in average selling prices.

Q5: What strategies could restore HYLOREL’s market position?

A5: Expanding indications for resistant pathogens and achieving regulatory approvals, alongside strategic pricing.


References

  1. European Medicines Agency. (2022). HYLOREL Summary of Product Characteristics. [Online]. Available at: https://www.ema.europa.eu
  2. MarketWatch. (2023). Pharmaceutical Market Trends: Resistance and Patent Cliff Effect.
  3. IQVIA. (2022). Global Pharmaceutical Sales Data.
  4. ClinicalTrials.gov. (2023). HYLOREL Clinical Trial Registry.
  5. Pharma Intelligence. (2022). Drug Patent Expiry Impact Analysis.

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