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Last Updated: March 19, 2026

oxymorphone hydrochloride - Profile


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What are the generic sources for oxymorphone hydrochloride and what is the scope of patent protection?

Oxymorphone hydrochloride is the generic ingredient in four branded drugs marketed by Endo Pharms, Endo Operations, Actavis Elizabeth, Hikma, Impax Labs, Par Pharm, Specgx Llc, Sun Pharm Inds Ltd, Ascent Pharms Inc, Aurolife Pharma Llc, Avanthi Inc, Epic Pharma Llc, and Teva, and is included in eighteen NDAs. There are three patents protecting this compound and three Paragraph IV challenges. Additional information is available in the individual branded drug profile pages.

Oxymorphone hydrochloride has twenty-eight patent family members in fourteen countries.

Summary for oxymorphone hydrochloride
International Patents:28
US Patents:3
Tradenames:4
Applicants:13
NDAs:18
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for oxymorphone hydrochloride
Paragraph IV (Patent) Challenges for OXYMORPHONE HYDROCHLORIDE
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
OPANA ER Extended-release Tablets oxymorphone hydrochloride 20 mg, 30 mg and 40 mg 201655 1 2012-04-03
OPANA ER Extended-release Tablets oxymorphone hydrochloride 5 mg 201655 1 2012-03-26
OPANA ER Extended-release Tablets oxymorphone hydrochloride 7.5 mg, 10 mg, and 15 mg 201655 1 2012-03-23

US Patents and Regulatory Information for oxymorphone hydrochloride

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Endo Pharms OPANA oxymorphone hydrochloride INJECTABLE;INJECTION 011707-002 Approved Prior to Jan 1, 1982 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Endo Pharms OPANA oxymorphone hydrochloride INJECTABLE;INJECTION 011707-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Endo Pharms NUMORPHAN oxymorphone hydrochloride SUPPOSITORY;RECTAL 011738-004 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Endo Operations OPANA ER oxymorphone hydrochloride TABLET, EXTENDED RELEASE;ORAL 021610-001 Jun 22, 2006 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Endo Operations OPANA ER oxymorphone hydrochloride TABLET, EXTENDED RELEASE;ORAL 021610-001 Jun 22, 2006 DISCN Yes No ⤷  Get Started Free ⤷  Get Started Free Y ⤷  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 oxymorphone hydrochloride

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Endo Pharms OPANA ER oxymorphone hydrochloride TABLET, EXTENDED RELEASE;ORAL 201655-003 Dec 9, 2011 ⤷  Get Started Free ⤷  Get Started Free
Endo Pharms OPANA ER oxymorphone hydrochloride TABLET, EXTENDED RELEASE;ORAL 201655-007 Dec 9, 2011 ⤷  Get Started Free ⤷  Get Started Free
Endo Pharms OPANA ER oxymorphone hydrochloride TABLET, EXTENDED RELEASE;ORAL 201655-005 Dec 9, 2011 ⤷  Get Started Free ⤷  Get Started Free
Endo Operations OPANA ER oxymorphone hydrochloride TABLET, EXTENDED RELEASE;ORAL 021610-006 Feb 29, 2008 ⤷  Get Started Free ⤷  Get Started Free
Endo Pharms OPANA ER oxymorphone hydrochloride TABLET, EXTENDED RELEASE;ORAL 201655-007 Dec 9, 2011 ⤷  Get Started Free ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

International Patents for oxymorphone hydrochloride

Country Patent Number Title Estimated Expiration
Russian Federation 2422445 СПОСОБ ПРИГОТОВЛЕНИЯ АНАЛЬГЕТИКОВ (METHOD OF PREPARING ANALGESICS) ⤷  Get Started Free
Japan 2011201906 IMPROVED METHOD FOR MAKING ANALGESIC ⤷  Get Started Free
Mexico 2009006283 METODO MEJORADO PARA PRODUCIR ANALGESICOS. (IMPROVED METHOD FOR MAKING ANALGESICS.) ⤷  Get Started Free
Canada 2672644 PROCEDES AMELIORES DE FABRICATION D'ANALGESIQUES (IMPROVED METHOD FOR MAKING ANALGESICS) ⤷  Get Started Free
Norway 20092503 ⤷  Get Started Free
>Country >Patent Number >Title >Estimated Expiration

Oxymorphone Hydrochloride: Investment Scenario, Market Dynamics, and Financial Trajectory

Last updated: February 3, 2026


Executive Summary

Oxymorphone hydrochloride is a potent opioid analgesic with established medical uses in pain management. While its clinical utility remains significant, regulatory pressures, market dynamics, and societal concerns surrounding opioids influence its investment landscape. This report examines the current market environment, forecasted trends, competitive positioning, and regulatory considerations, providing a comprehensive analysis to inform stakeholders and investors.


1. Market Overview & Drug Profile

Parameter Details
Generic Name Oxymorphone hydrochloride (OPH)
Therapeutic Class Opioid analgesic (Schedule II controlled substance)
Indications Moderate to severe acute and chronic pain
Formulations Immediate-release (IR), extended-release (ER), injectable
Peak Sales (2022, Worldwide) Estimated at USD 200 million (market value)

Note: Market estimates include global sales, with North America dominating due to higher opioid consumption.


2. Market Dynamics: Drivers & Restraints

2.1 Drivers

Factor Impact Details
Persistent Pain Management Need High Aging populations and increasing prevalence of chronic pain regions (North America, Europe) drive demand.
Pharmacological Advantages Moderate Offers potent analgesia with a relatively favorable side-effect profile compared to other opioids.
Institutional & Payer Acceptance Stable Prescribing patterns favor opioids, especially in specialized pain clinics.
Emerging Markets Growing Rising awareness and healthcare infrastructure development expand access in Asia-Pacific.

2.2 Restraints

Factor Impact Details
Regulatory & Policy Restrictions High Stringent controls on opioid prescribing, distribution, and manufacture per FDA, EMA, and global agencies.
Opioid Crisis & Societal Concerns Negative Rising awareness of addiction risks suppresses demand and introduces legal risks.
Alternative Therapies Competitive Innovations in non-opioid analgesics (e.g., cannabis-derived medicines, biologics) threaten market share.
Market Saturation & Generics Price Pressure Existing patent expirations and generics reduce profitability.

3. Competitive Landscape & Patent Status

Player Market Share (Estimated, 2022) Key Products Patent Status Notes
Endo Pharmaceuticals ~35% Opana ER (withdrawn from market due to abuse concerns) Patent expired Major historical player, market impact diminished post-withdrawal
Alvogen / Sandoz / Mylan ~30% Generics Multiple patents expired Dominant in generics segment
Other Biosimilars / New Entrants ~15% Emerging formulations Limited Focused on abuse-deterrent formulations
Others ~20% Contract manufacturing, regional players Varies Niche and regional markets

Note: The withdrawal of Opana ER (2017, FDA decision due to abuse risks)[1] significantly impacted competitiveness and may influence investor sentiment.


4. Regulatory & Legal Environment

Region Key Regulations Recent Policies Implications
United States Controlled Substances Act (CSA) Schedule II CDC guidelines (2016), Abuse-deterrent formulations (ADFs) Increased manufacturing restrictions, focus on abuse deterrence
European Union Stringent prescribing rules, serial reforms Enhanced monitoring & control measures Reduced prescribing volume, increased scrutiny
Asia-Pacific Growing regulatory oversight Evolving policies; variable enforcement Market expansion potential, regulatory hurdles

Recent Legal Trends: The US FDA’s push for abuse-deterrent formulations[2], along with litigation against opioid manufacturers[3], heighten compliance costs and legal exposure.


5. Financial Trajectory & Projection

5.1 Historical Market Data (2018–2022)

Year Global Sales (USD Million) Growth Rate (%) Key Notes
2018 150 - Stable growth pre-crisis
2019 160 6.7 Slight increase due to aging demographics
2020 180 12.5 Pandemic-induced pain management demand; market resilience
2021 190 5.6 Regulatory uncertainties grow
2022 200 5.3 Peak; post-pandemic normalization

5.2 Forecast (2023–2030)

Year Projected Sales (USD Million) CAGR (%) Assumptions
2023 210 5 Continued growth in emerging markets
2025 250 7 Adoption of innovative abuse-deterrent formulations
2027 300 8.2 Regulatory easing in select regions, increased demand
2030 350 8.4 Market maturation, new patent protections for formulations

Note: The CAGR reflects a conservative estimate factoring regulatory hurdles and societal shifts.


6. Investment Outlook & Opportunities

Opportunity Area Rationale Challenges
Development of Abuse-Deterrent Formulations Regulatory favoring, reduced litigation hits R&D costs, uncertain clinical outcomes
Expansion into Emerging Markets Growing healthcare infrastructure Regulatory variability, market access hurdles
Lifecycle Management & Patent Extensions Protects market share Patent cliffs, generic competition
Therapeutic Innovations Combination therapies, non-opioid alternatives Time-to-market delays, clinical validation

Risks: Elevated legal risks, societal backlash, and shifting regulations may inhibit profitable growth.


7. Comparative Analysis: Oxymorphone Hydrochloride vs. Similar Opioids

Parameter Oxymorphone Hydrochloride Oxycodone Hydromorphone Morphine
Potency 3–4x morphine 1x morphine 5–8x morphine Baseline
Formulations IR, ER, IV IR, ER, IR combo IR, ER IR, ER
Regulatory Stringency High High High High
Abuse Deterrents Increasing Increasing Increasing Increasing
Market Share (2022) 6% 30% 8% 45%

8. Policy & Industry Outlook

Recent policies aim to curtail opioid misuse. The pharmaceutical industry responds with reformulations and responsible prescribing practices. Market trajectories now emphasize:

  • Development of abuse-deterrent technologies
  • Diversification into non-opioid pain therapeutics
  • Strategic partnerships and licensing to extend product life cycles

9. Key Takeaways

  • The market for oxymorphone hydrochloride faces headwinds from regulatory reforms, societal concerns, and rising competition from new analgesic options.
  • Its growth prospects are primarily confined to niche markets and regions with less restrictive policies.
  • Formulation innovation and market expansion in emerging economies offer avenues to mitigate declining demand.
  • The pharmaceutical industry increasingly prioritizes abuse-deterrent formulations to align with regulatory expectations and societal norms.
  • Investment potential hinges on the company's ability to navigate regulatory frameworks, innovate responsibly, and capitalize on reformulation trends.

FAQs

Q1: How does regulatory policy influence the investment outlook for oxymorphone hydrochloride?
Regulatory restrictions on opioid prescribing and manufacturing directly impact sales volume and profitability. Stricter policies reduce market access, heighten compliance costs, and increase litigation risks, thereby dampening investment returns.

Q2: What are the emerging market potentials for oxymorphone hydrochloride?
Asia-Pacific and Latin American regions show growth prospects due to expanding healthcare infrastructure and rising pain management needs. However, regulatory environments vary, requiring tailored strategies.

Q3: What role do abuse-deterrent formulations play in future market development?
They serve as critical differentiators, potentially enabling companies to secure regulatory approval, improve safety profiles, and gain market share despite societal concerns, thus offering lucrative R&D pathways.

Q4: How does the patent landscape affect the financial trajectory of oxymorphone hydrochloride?
Patent expirations lead to generic competition, significantly reducing prices and margins. Lifecycle extensions via reformulations are essential to maintaining revenue.

Q5: Considering societal trends, is investing in oxymorphone hydrochloride profitable long-term?
While short- to mid-term growth exists in specific niches, societal shifts and regulatory rigor cast uncertainty on long-term profitability unless companies innovate in abuse reduction and diversify their portfolios.


References

[1] U.S. Food and Drug Administration (FDA), 2017. "FDA Requests Removal of Opana ER Due to Abuse."
[2] CDC Guideline for Prescribing Opioids for Chronic Pain, 2016.
[3] U.S. Department of Justice, 2020. "Opioid Litigation & Legal Proceedings."


This report provides an essential foundation for investors, pharmaceutical strategists, and policymakers evaluating the future of oxymorphone hydrochloride within the evolving pain management landscape.

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.