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Last Updated: March 26, 2026

NALTREXONE HYDROCHLORIDE; OXYCODONE HYDROCHLORIDE - Generic Drug Details


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What are the generic sources for naltrexone hydrochloride; oxycodone hydrochloride and what is the scope of freedom to operate?

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
Clinical Trials: 20
DailyMed Link:NALTREXONE HYDROCHLORIDE; OXYCODONE HYDROCHLORIDE at DailyMed
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.

Recent Clinical Trials for NALTREXONE HYDROCHLORIDE; OXYCODONE HYDROCHLORIDE

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
Ensysce BiosciencesPHASE1
Quotient SciencesPHASE1
University of California, IrvinePHASE2

See all NALTREXONE HYDROCHLORIDE; OXYCODONE HYDROCHLORIDE clinical trials

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 ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Pfizer TROXYCA ER naltrexone hydrochloride; oxycodone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 207621-004 Aug 19, 2016 DISCN No No ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Pfizer TROXYCA ER naltrexone hydrochloride; oxycodone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 207621-006 Aug 19, 2016 DISCN No No ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Pfizer TROXYCA ER naltrexone hydrochloride; oxycodone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 207621-005 Aug 19, 2016 DISCN No No ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Pfizer TROXYCA ER naltrexone hydrochloride; oxycodone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 207621-002 Aug 19, 2016 DISCN No No ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Pfizer TROXYCA ER naltrexone hydrochloride; oxycodone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 207621-003 Aug 19, 2016 DISCN No No ⤷  Start Trial ⤷  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 207621-001 Aug 19, 2016 ⤷  Start Trial ⤷  Start Trial
Pfizer TROXYCA ER naltrexone hydrochloride; oxycodone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 207621-006 Aug 19, 2016 ⤷  Start Trial ⤷  Start Trial
Pfizer TROXYCA ER naltrexone hydrochloride; oxycodone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 207621-002 Aug 19, 2016 ⤷  Start Trial ⤷  Start Trial
Pfizer TROXYCA ER naltrexone hydrochloride; oxycodone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 207621-005 Aug 19, 2016 ⤷  Start Trial ⤷  Start Trial
Pfizer TROXYCA ER naltrexone hydrochloride; oxycodone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 207621-004 Aug 19, 2016 ⤷  Start Trial ⤷  Start Trial
Pfizer TROXYCA ER naltrexone hydrochloride; oxycodone hydrochloride CAPSULE, EXTENDED RELEASE;ORAL 207621-003 Aug 19, 2016 ⤷  Start Trial ⤷  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
Spain 2677769 ⤷  Start Trial
European Patent Office 2422773 Séquestration de sous-unité et compositions et procédés associés (Sequestering subunit and related compositions and methods) ⤷  Start Trial
Australia 2003270778 SEQUESTERING SUBUNIT AND RELATED COMPOSITIONS AND METOHDS ⤷  Start Trial
Cyprus 1120720 ⤷  Start Trial
Denmark 1551372 ⤷  Start Trial
Slovenia 1551372 ⤷  Start Trial
Hungary E038446 ⤷  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 LUC00054 Luxembourg ⤷  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; AUTHORISATION NUMBER AND DATE: EU/1/14/988 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
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 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 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
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

NALTREXONE HYDROCHLORIDE; OXYCODONE HYDROCHLORIDE Market Analysis and Financial Projection

Last updated: February 14, 2026

Market Dynamics and Financial Trajectory for Naltrexone Hydrochloride and Oxycodone Hydrochloride

Naltrexone Hydrochloride

Market Size and Key Applications

Naltrexone hydrochloride (NTX) is primarily prescribed for alcohol dependence and opioid use disorder (OUD). The global market reached approximately $600 million in 2022 and is projected to grow at a compound annual growth rate (CAGR) of 4.5% through 2030, driven by increasing addiction rates and government-funded addiction treatment programs. North America accounts for roughly 75% of sales, leveraging established healthcare infrastructure and high prevalence rates.

Patent and Regulatory Landscape

Existing patents for generic formulations have expired, prompting increased market entry from generic manufacturers. Notable brand-name drugs include Vivitrol (injectable) by Alkermes, FDA-approved since 2006, and Revia (oral), approved since 1994. The injectable form has held a dominant share of approximately 65% in recent years due to better adherence.

Multiple countries have updated regulatory guidelines to expand access, notably the U.S. and Europe, with ongoing trials investigating extended-release and combination formulations.

Market Dynamics

  • Competition: The market sees competition primarily from branded products like Vivitrol and orally administered generics. Several companies are exploring sustained-release and implant-based formulations to improve compliance.
  • Pricing Trends: Vivitrol's annual cost exceeds $1,000 per dose in the U.S., but price reductions are expected as generics become more prevalent.
  • Adoption Drivers: Increased funding for addiction treatment, rising prevalence of substance abuse, and favorable insurance coverage boost market expansion.

Financial Outlook

The sales forecast anticipates steady growth, reaching approximately $800 million by 2030. R&D investments focus on developing novel delivery systems and expanding indications beyond addiction, including obesity and behavioral disorders.

Oxycodone Hydrochloride

Market Size and Key Applications

Oxycodone hydrochloride (OXY) remains a cornerstone analgesic in pain management, with the global market valued at about $4.5 billion in 2022. The market is projected to grow at a CAGR of approximately 3.8% through 2030, driven by rising chronic pain prevalence and aging populations.

Regulatory and Patent Status

Most formulations of oxycodone are generic, with patents expiring globally by 2015-2020. The molecule faces tight regulation due to its high abuse potential, resulting in controlled distribution channels and prescription restrictions.

Brand-name products include OxyContin (extended-release by Purdue Pharma), which remains influential despite legal challenges related to its role in opioid epidemic. Purdue’s patent for OxyContin expired in 2013 in the U.S., leading to widespread generic competition.

Market Dynamics

  • Supply Chain and Regulation: The market is influenced by stringent manufacturing and distribution controls aimed at preventing diversion and misuse.
  • Pricing Trends: Generic oxycodone prices have decreased post-patent expiration, but formulations with abuse-deterrent properties command premium prices.
  • Growth Drivers: The demand for effective pain management fuels ongoing production; however, regulatory crackdowns on opioid prescribing constrain growth.

Financial Outlook

The market is expected to plateau or decline slightly as alternative therapies (e.g., non-opioid analgesics) gain traction and regulatory environments tighten. By 2030, market value may reduce to approximately $4 billion as use shifts toward alternative drugs and restrictions tighten.

Comparative Overview

Attribute Naltrexone Hydrochloride Oxycodone Hydrochloride
2022 Market Value ~$600 million ~$4.5 billion
Projected CAGR (2023-2030) 4.5% 3.8%
Main Applications Alcohol, opioid dependence Pain management, chronic pain
Patent Status Multiple generics, older patents expired Mostly generic, expired patents
Regulatory Environment Increasing access, expanded indications Tighted controls; misuse restrictions
Key Drivers Addiction treatment, new formulations Pain management needs, aging population

Key Takeaways

  • The naltrexone market is steadily expanding due to increased addiction treatments and the development of novel formulations.
  • The oxycodone market faces saturation and regulatory challenges; growth prospects depend on the adoption of abuse-deterrent formulations and alternative therapies.
  • Generic competition heavily influences pricing and revenue trajectories for both drugs.
  • A shift towards non-opioid pain management may restrain growth in oxycodone markets post-2025.
  • Public health initiatives and regulatory changes remain pivotal in shaping future market dynamics.

FAQs

Q1: How will regulatory changes impact the naltrexone market?

A1: Expanded access regulations and new formulations could increase demand, but stricter opioid and addiction treatment policies may introduce hurdles for certain delivery systems.

Q2: Are new formulations of oxycodone likely to enter the market?

A2: Yes, but with compliance to abuse-deterrent standards. These formulations command premium pricing but face regulatory scrutiny and market acceptance challenges.

Q3: What is the outlook for patent protection in these markets?

A3: Most patents on original formulations have expired, increasing generic competition and pressuring prices.

Q4: How do public health policies influence these drugs' market trajectories?

A4: Policies aiming to curb opioid abuse may restrict oxycodone access, whereas initiatives for addiction treatment could expand naltrexone use.

Q5: What are the key growth opportunities for pharmaceutical companies?

A5: For naltrexone, developing extended-release and combination therapies; for oxycodone, innovating abuse-resistant formulations while exploring non-opioid alternatives.


Sources:

[1] MarketWatch. "Naltrexone Market Size, Share & Trends Analysis Report." 2022.

[2] Grand View Research. "Oxycodone Market Analysis." 2022.

[3] FDA Approvals and Patents Database. 2023.

[4] IQVIA. "Global Opioid Market Report." 2022.

[5] ReportLinker. "Addiction Treatment Market Insights." 2022.

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