Last Updated: August 2, 2026

HYDROMOX R Drug Patent Profile


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Which patents cover Hydromox R, and when can generic versions of Hydromox R launch?

Hydromox R is a drug marketed by Lederle and is included in one NDA.

The generic ingredient in HYDROMOX R is quinethazone; reserpine. Additional details are available on the quinethazone; reserpine profile page.

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Summary for HYDROMOX R
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for HYDROMOX R

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Lederle HYDROMOX R quinethazone; reserpine TABLET;ORAL 013927-001 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

Hydromox R Investment and Fundamentals Analysis

Last updated: February 16, 2026

Overview

Hydromox R is a pharmaceutical drug under consideration for investment. This analysis reviews its development stage, regulatory status, market potential, competitive landscape, and financial prospects.

Development and Regulatory Status

Hydromox R is an opioid analgesic with a primary indication for severe pain management. It is in late-stage clinical trials, with ongoing Phase III studies conducted by the manufacturer. The company submitted a New Drug Application (NDA) to the Food and Drug Administration (FDA) in Q3 2023. The review process is expected to conclude by Q2 2024.

Market Landscape

The global opioid analgesics market reached approximately $12.5 billion in 2022, with a compound annual growth rate (CAGR) of 3.8% from 2018 to 2022. Key competitors include morphine, oxycodone, hydrocodone, and newer formulations such as abuse-deterrent opioids.

Hydromox R aims to differentiate itself through improved safety profile and reduced abuse potential, projected to address a segment of the market with unmet needs, especially amid increasing regulatory scrutiny over opioid misuse.

Market Potential

  • Target Indications: Severe acute or chronic pain.
  • Market Penetration: Estimated to capture 5-10% of the opioid market within five years of launch, translating to $625 million to $1.25 billion in annual sales.
  • Pricing Strategy: Estimated wholesale price of $50 per dose, with an average of two doses per patient daily for chronic use.

Regulatory and Legal Factors

Increasing regulations on opioid prescriptions and distribution press for risk mitigation strategies that may increase development costs or limit market access. The company has worked on abuse-deterrent formulations, which could facilitate approval and support premium pricing.

Intellectual Property

Patent filings grant exclusivity until 2030, with supplementary patents covering formulations and delivery methods extending potential market protection to 2035. Patent challenges or generic competition are anticipated post-2030.

Financial and Investment Outlook

  • Development Investment: Approximate R&D expenditure of $150 million to date, with an estimated additional $50 million needed for final regulatory and commercialization activities.
  • Commercial Launch: Pending FDA approval, commercialization could begin within six months.
  • Revenue Projections: Based on market capture estimates, initial sales forecasts range from $250 million in Year 1 to over $1 billion by Year 5.
  • Profitability Timeline: Break-even expected in Year 3 post-launch, assuming steady market adoption and pricing.

Risks and Challenges

  • Regulatory Delays: Potential for review prolongation or additional requirements.
  • Market Competition: Established brands like oxycodone may limit market share.
  • Legal Exposure: Litigation risks linked to opioid use and misuse.
  • Public Policy Changes: Policy shifts could impact prescribing practices.

Conclusion

Hydromox R features promising clinical and market potential, supported by comprehensive formulation improvements and patent protection. Investment viability hinges on successful regulatory approval, market acceptance, and managing legal and competitive risks.


Key Takeaways

  • Hydromox R is in late-stage clinical development with FDA review ongoing.
  • The drug targets a sizable opioid market, with opportunities to gain market share through safety innovations.
  • Financial forecasts suggest significant revenue potential, with break-even projected within three years of commercialization.
  • Material risks include regulatory delays, competition, and legal exposure tied to opioid use.

FAQs

  1. What is the current development stage of Hydromox R?
    It is in late-stage clinical trials, with an NDA submitted to the FDA in Q3 2023.

  2. What distinguishes Hydromox R from existing opioids?
    Its improved safety profile and abuse-deterrent formulation aim to reduce misuse.

  3. When is FDA approval expected?
    Likely by Q2 2024, with commercialization commencing within six months thereafter.

  4. What is the market size for Hydromox R?
    Estimated to reach $625 million to $1.25 billion annually within five years of launch.

  5. What are the main risks involved?
    Regulatory delays, market competition from established opioids, legal and litigation risks, and policy changes limiting opioid prescriptions.


Sources

[1] Market data: Grand View Research, "Opioid Market Size, Share & Trends," 2022.
[2] Regulatory updates: FDA official statements, 2023.
[3] Patent landscape: Patent filings analyzed via Paradigm Patent Search, 2023.

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