Last Updated: June 17, 2026

naltrexone hydrochloride; oxycodone hydrochloride - Profile


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What are the generic drug sources for naltrexone hydrochloride; oxycodone hydrochloride and what is the scope of patent protection?

Naltrexone hydrochloride; oxycodone hydrochloride is the generic ingredient in one branded drug marketed by Pfizer and is included in one NDA. There is one patent protecting this compound. Additional information is available in the individual branded drug profile pages.

Naltrexone hydrochloride; oxycodone hydrochloride has sixteen patent family members in twelve countries.

Summary for naltrexone hydrochloride; oxycodone hydrochloride
International Patents:16
US Patents:1
Tradenames:1
Applicants:1
NDAs:1
DrugPatentWatch® Estimated Loss of Exclusivity (LOE) Date for naltrexone hydrochloride; oxycodone hydrochloride
Generic Entry Date for naltrexone hydrochloride; oxycodone hydrochloride*:
Constraining patent/regulatory exclusivity:
Dosage:

CAPSULE, EXTENDED RELEASE;ORAL

*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

US Patents and Regulatory Information for naltrexone hydrochloride; oxycodone hydrochloride

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Pfizer TROXYCA ER naltrexone hydrochloride; oxycodone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 207621-001 Aug 19, 2016 DISCN No No 7,815,934 ⤷  Start Trial Y ⤷  Start Trial
Pfizer TROXYCA ER naltrexone hydrochloride; oxycodone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 207621-002 Aug 19, 2016 DISCN No No 7,815,934 ⤷  Start Trial Y ⤷  Start Trial
Pfizer TROXYCA ER naltrexone hydrochloride; oxycodone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 207621-003 Aug 19, 2016 DISCN No No 7,815,934 ⤷  Start Trial Y ⤷  Start Trial
Pfizer TROXYCA ER naltrexone hydrochloride; oxycodone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 207621-004 Aug 19, 2016 DISCN No No 7,815,934 ⤷  Start Trial Y ⤷  Start Trial
Pfizer TROXYCA ER naltrexone hydrochloride; oxycodone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 207621-005 Aug 19, 2016 DISCN No No 7,815,934 ⤷  Start Trial Y ⤷  Start Trial
Pfizer TROXYCA ER naltrexone hydrochloride; oxycodone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 207621-006 Aug 19, 2016 DISCN No No 7,815,934 ⤷  Start Trial Y ⤷  Start Trial
>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 naltrexone hydrochloride; oxycodone hydrochloride

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Pfizer TROXYCA ER naltrexone hydrochloride; oxycodone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 207621-004 Aug 19, 2016 8,685,443 ⤷  Start Trial
Pfizer TROXYCA ER naltrexone hydrochloride; oxycodone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 207621-006 Aug 19, 2016 8,685,443 ⤷  Start Trial
Pfizer TROXYCA ER naltrexone hydrochloride; oxycodone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 207621-001 Aug 19, 2016 8,685,443 ⤷  Start Trial
Pfizer TROXYCA ER naltrexone hydrochloride; oxycodone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 207621-005 Aug 19, 2016 8,685,443 ⤷  Start Trial
Pfizer TROXYCA ER naltrexone hydrochloride; oxycodone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 207621-003 Aug 19, 2016 8,685,443 ⤷  Start Trial
Pfizer TROXYCA ER naltrexone hydrochloride; oxycodone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 207621-002 Aug 19, 2016 8,685,443 ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

International Patents for naltrexone hydrochloride; oxycodone hydrochloride

Country Patent Number Title Estimated Expiration
European Patent Office 2422775 Séquestration de sous-unité et compositions et procédés associés (Sequestering subunit and related compositions and methods) ⤷  Start Trial
Portugal 1551372 ⤷  Start Trial
Canada 2499550 SOUS-UNITE DE SEQUESTRATION ET COMPOSITIONS ET PROCEDES ASSOCIES (SEQUESTERING SUBUNIT AND RELATED COMPOSITIONS AND METHODS) ⤷  Start Trial
European Patent Office 2422772 Séquestration de sous-unité et compositions et procédés associés (Sequestering subunit and related compositions and methods) ⤷  Start Trial
World Intellectual Property Organization (WIPO) 2004026283 ⤷  Start Trial
Denmark 1551372 ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

Supplementary Protection Certificates for naltrexone hydrochloride; oxycodone hydrochloride

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
2316456 132017000142109 Italy ⤷  Start Trial PRODUCT NAME: NALTREXONE/BUPROPIONE(MYSIMBA); AUTHORISATION NUMBER(S) AND DATE(S): EU/1/14/988, 20150330
2316456 2017/059 Ireland ⤷  Start Trial PRODUCT NAME: NALTREXONE OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, IN PARTICULAR NALTREXONE HYDROCHLORIDE, AND BUPROPION OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, IN PARTICULAR BUPROPION HYDROCHLORIDE; REGISTRATION NO/DATE: EU/1/14/988 20150326
2316456 2017C/064 Belgium ⤷  Start Trial PRODUCT NAME: NALTREXONE/BUPROPION; AUTHORISATION NUMBER AND DATE: EU/1/14/988 20150330
2316456 1790064-8 Sweden ⤷  Start Trial PRODUCT NAME: NALTREXONE OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, IN PARTICULAR NALTREXONE HYDROCHLORIDE, AND BUPROPION OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, IN PARTICULAR BUPROPION HYDROCHLORIDE; REG. NO/DATE: EU/1/14/988 20150330
2316456 SPC/GB17/078 United Kingdom ⤷  Start Trial PRODUCT NAME: NALTREXONE OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, IN PARTICULAR NALTREXONE HYDROCHLORIDE, AND BUPROPION OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, IN PARTICULAR BUPROPION HYDROCHLORIDE.; REGISTERED: UK EU/1/14/988 20150330; UK PLGB 50742/0001 20150330
2316456 17C1058 France ⤷  Start Trial PRODUCT NAME: NALTREXONE OU UN SEL PHARMACEUTIQUEMENT ACCEPTABLE,EN PARTICULIER CHLORHYDRATE DE NALTREXONE ET,BUPROPION OU SEL PHARMACEUTIQUEMENT ACCEPTABLE,EN PARTICULIER CHLORHYDRATE DE BUPROPION; REGISTRATION NO/DATE: EU/1/14/988 20150330
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

Investment Scenario and Fundamentals Analysis for Naltrexone Hydrochloride and Oxycodone Hydrochloride

Last updated: February 9, 2026

What Are the Market Fundamentals for Naltrexone Hydrochloride?

Naltrexone hydrochloride is an opioid antagonist primarily used to treat alcohol dependence and opioid addiction. It is marketed under brands like Revia and Vivitrol.

Market Size & Growth

  • Global Market Value (2022): Estimated at $300 million.
  • Projected Compound Annual Growth Rate (CAGR): Around 9% through 2030, driven by increasing addiction treatment needs (Source: Markets and Markets).
  • Key Markets: U.S. accounts for approximately 70% of sales, with Europe and Asia significant but smaller markets.

R&D and Regulatory Environment

  • FDA approvals for extended-release formulations like Vivitrol have expanded treatment options.
  • Regulatory hurdles are moderate; no major upcoming patent expirations are forecasted within the next five years, providing pipeline stability.

Competitive Landscape

  • Few branded competitors dominate (e.g., Vivitrol); generic versions are emerging, increasing price competition.
  • Patent cliff is not imminent; however, formulations and delivery methods are areas of innovation.

Pricing & Reimbursement

  • Vivitrol: Wholesale price around $1,150 per injection; reimbursement varies.
  • Market growth is sensitive to insurance coverage and government reimbursement policies.

Investment Risks

  • Off-label use can limit market expansion.
  • New delivery methods or alternative therapies could disrupt existing treatments.

What Are the Fundamentals for Oxycodone Hydrochloride?

Oxycodone hydrochloride is a potent opioid analgesic, used for pain management, marketed as OxyContin, Roxicodone, among others.

Market Size & Growth

  • Global Value (2022): Approximately $4.5 billion.
  • Growth Rate: Flat or slight decline due to regulatory crackdowns on opioid prescribing and increased awareness of addiction risks.
  • Key Markets: U.S. dominates with roughly $3.5 billion in sales; Europe and emerging markets trail significantly.

R&D & Regulatory Trends

  • Stricter prescribing guidelines in the U.S. and Europe have reduced new prescriptions.
  • Abuse-deterrent formulations are increasingly adopted; these are more expensive but aimed at reducing misuse.

Competitive Environment

  • Major players: Purdue Pharma (marketed as OxyContin before bankruptcy), Teva, Mylan.
  • The sector faces biosimilar and alternative pain management drug entries, increasing market pressure.

Pricing & Reimbursement

  • High retail prices, especially for extended-release products.
  • Reimbursement heavily influenced by medical necessity and regulatory controls.

Investment Risks

  • Regulatory shifts threaten sales volumes.
  • Litigation risks and public health policies aimed at curbing opioid use.

How Do These Drugs Compare for Investment Decisions?

Attribute Naltrexone Hydrochloride Oxycodone Hydrochloride
Market Size (2022) $300M $4.5B
Growth Rate 9% CAGR Flat/reducing trend
Key Markets U.S., Europe U.S., Europe
Patent Status No imminent patent expiry Patent expiries ongoing
Regulatory Environment Moderate Stringent and tightening
Reimbursement Variable, insurance-dependent Fixed, insurance-driven

Key Challenges and Opportunities

  • Volatility in government regulation and public perception impacts both markets.
  • Innovation in delivery methods and formulations could extend product lifecycle.
  • Emerging markets offer growth potential but face market access and regulatory hurdles.

Key Takeaways

  • Naltrexone presents a stable growth opportunity, driven by addiction treatment demand and steady regulatory pathways.
  • Oxycodone's market is under increasing pressure from regulation, litigation, and shifts toward alternative pain management options.
  • Companies with diversified portfolios and investment in abuse-deterrent technologies are better positioned.
  • The regulatory environment's unpredictability requires careful monitoring, especially for opioids.
  • Patent management and development pipeline robustness are critical for long-term valuation.

Frequently Asked Questions

1. What are the primary drivers for Naltrexone's growth?
Increasing global opioid addiction rates and expanded licensing for extended-release formulations.

2. How does the patent landscape affect Oxycodone?
Oxycodone faces patent expirations, leading to generic competition and pressure on pricing.

3. Can regulatory changes impact Naltrexone's market share?
Yes. While currently stable, future policy or approval restrictions could influence sales.

4. What is the role of biosimilars or generics for these drugs?
Generics can reduce prices but depend on patent status and regulatory pathways.

5. Are there emerging therapies that threaten these drugs?
Yes. For Oxycodone, non-opioid pain management; for Naltrexone, other addiction therapies such as buprenorphine.

References

  1. Markets and Markets. "Opioid Dependence Treatment Market," 2022.
  2. IQVIA. "Global Prescription Drug Sales Report," 2022.
  3. FDA. "Approval and Regulatory Updates," 2022.
  4. IMS Health. "Pain Management Market Overview," 2022.
  5. U.S. Patent and Trademark Office. "Patent Status Reports," 2023.

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