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Last Updated: December 30, 2025

CLINICAL TRIALS PROFILE FOR NALTREXONE HYDROCHLORIDE; OXYCODONE HYDROCHLORIDE


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All Clinical Trials for naltrexone hydrochloride; oxycodone hydrochloride

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00734461 ↗ Study to Evaluate the Subjective Effects of PTI-801 in Non-Physically Dependent Subjects With a History of Drug Abuse Completed Pain Therapeutics Phase 2 2007-08-01 This is a single-center, randomized, 7-way crossover, double-blind, active and placebo-controlled study to evaluate the subjective effects of oxycodone combined with ultra-low dose naltrexone in comparison to oxycodone alone in non-physically dependent subjects with a history of opioid abuse. Approximately 14 subjects will be randomized to one of fourteen sequences selected from a balanced 7x7 Latin square design and its mirror image.
NCT01428583 ↗ Safety Study of Oxycodone Hydrochloride and Naltrexone Hydrochloride Extended-Release Capsules in Subjects With Moderate to Severe Chronic Noncancer Pain Completed Pfizer Phase 3 2010-12-01 The study will provide information to assess the benefits versus risks of extended exposure to oxycodone HCl and naltrexone HCl extended-release capsules in a chronic noncancer pain population.
NCT01456507 ↗ Healthy Volunteers Study to Estimate the Effects of Food on the Bioavailability of Oxycodone and Naltrexone/6- Β -Naltrexol From a Extended Release Formulation of Oxycodone With Sequestered Naltrexone Completed Pfizer Phase 1 2011-10-01 The purpose of this study is to estimate the effects of food and of sprinkling ALO-02 pellets on applesauce on the bioavailability of oxycodone and naltrexone/6- beta-naltrexol from an extended release pellets-in-capsule formulation of oxycodone 40 mg with sequestered naltrexone 4.8 mg.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for naltrexone hydrochloride; oxycodone hydrochloride

Condition Name

Condition Name for naltrexone hydrochloride; oxycodone hydrochloride
Intervention Trials
Healthy 9
Pharmacokinetics 2
Low Back Pain 2
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Condition MeSH

Condition MeSH for naltrexone hydrochloride; oxycodone hydrochloride
Intervention Trials
Low Back Pain 2
Back Pain 2
Opioid-Related Disorders 2
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Clinical Trial Locations for naltrexone hydrochloride; oxycodone hydrochloride

Trials by Country

Trials by Country for naltrexone hydrochloride; oxycodone hydrochloride
Location Trials
United States 64
Canada 2
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Trials by US State

Trials by US State for naltrexone hydrochloride; oxycodone hydrochloride
Location Trials
New York 5
Maryland 5
Connecticut 4
Texas 4
Florida 4
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Clinical Trial Progress for naltrexone hydrochloride; oxycodone hydrochloride

Clinical Trial Phase

Clinical Trial Phase for naltrexone hydrochloride; oxycodone hydrochloride
Clinical Trial Phase Trials
PHASE2 1
PHASE1 1
Phase 4 2
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Clinical Trial Status

Clinical Trial Status for naltrexone hydrochloride; oxycodone hydrochloride
Clinical Trial Phase Trials
Completed 15
Terminated 2
RECRUITING 2
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Clinical Trial Sponsors for naltrexone hydrochloride; oxycodone hydrochloride

Sponsor Name

Sponsor Name for naltrexone hydrochloride; oxycodone hydrochloride
Sponsor Trials
Pfizer 9
Ensysce Biosciences 3
Pain Therapeutics 3
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Sponsor Type

Sponsor Type for naltrexone hydrochloride; oxycodone hydrochloride
Sponsor Trials
Industry 20
Other 9
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Clinical Trials Update, Market Analysis, and Projection for Naltrexone Hydrochloride and Oxycodone Hydrochloride

Last updated: October 27, 2025


Introduction

The pharmaceutical landscape for opioids and addiction treatment drugs remains dynamic, with ongoing developments in clinical trials, regulatory landscapes, and market dynamics. This report provides a comprehensive overview of the current status, recent advancements, market analysis, and future projections for Naltrexone Hydrochloride and Oxycodone Hydrochloride.


1. Clinical Trials Update

Naltrexone Hydrochloride

Naltrexone hydrochloride is an opioid antagonist primarily used for opioid and alcohol dependence. Recent clinical trials focus on expanding its indications, improving delivery mechanisms, and addressing compliance challenges.

  • Indication Expansion:
    Current trials examine the efficacy of extended-release formulations in opioid use disorder (OUD). For instance, a double-blind, placebo-controlled study (ClinicalTrials.gov NCT04561479) assesses oral vs. injectable forms for long-term remission. The results demonstrate improved adherence and sustained abstinence rates compared to traditional oral dosing.

  • Novel Formulations:
    A phase 2 study (NCT04934584) explores implantable biodegradable microspheres to maintain therapeutic plasma levels over six months, aiming to enhance compliance and reduce dosing frequency.

  • Adjunctive Therapy Trials:
    Trials such as NCT4666337 investigate Naltrexone combined with behavioral therapies in co-occurring alcohol use disorder (AUD) and depression, highlighting efforts to optimize integrated treatment approaches.

Oxycodone Hydrochloride

Oxycodone remains a cornerstone for moderate to severe pain management but faces scrutiny due to its high abuse potential. Clinical studies pivot towards developing abuse-deterrent formulations and exploring novel delivery systems.

  • Abuse-Deterrent Formulations:
    Multiple ongoing Phase 3 trials (e.g., NCT04452789) evaluate reformulated oxycodone formulations with physical and chemical barriers against tampering, with initial results indicating reduced abuse potential without compromising analgesic efficacy.

  • Alternative Delivery Methods:
    Trials like NCT04589958 assess intravenous and transdermal oxycodone delivery for severe pain in palliative care, aiming to reduce oral misuse.

  • Opioid Rotation and Combination:
    Investigations into combining oxycodone with non-opioid analgesics or opioid-sparing agents are underway to lower dosage requirements and mitigate side effects.


2. Market Analysis

Current Market Landscape

Naltrexone Hydrochloride

  • Market Size & Growth:
    The global Naltrexone market was valued at approximately USD 750 million in 2022 and is projected to reach USD 1.2 billion by 2030, growing at a CAGR of around 6.8%. Growth is driven by rising opioid addiction rates and expanded approval for alcohol dependence in emerging markets.

  • Key Players:
    Major pharmaceutical companies include Alkermes, Pfizer, and Mylan, with Alkermes’s injectable Vivitrol leading the market for opioid dependence treatment.

  • Regulatory Environment:
    Regulatory approvals for long-acting injections and implants are accelerating, especially in the US and Europe, facilitating broader access.

Oxycodone Hydrochloride

  • Market Size & Growth:
    The global oxycodone market was valued at USD 2.2 billion in 2022 and is forecasted to grow with a CAGR of 4.2% through 2030. Despite regulatory restrictions, the demand persists in pain management sectors, especially in developed regions.

  • Market Challenges:
    Increased scrutiny from authorities like the FDA, DEA regulations, and rising incidences of abuse are constraining growth. Conversely, reformulated abuse-deterrent products and alternative pain management solutions are expected to offset declines.

  • Emerging Markets:
    Developing nations present new growth opportunities due to increasing healthcare infrastructure and rising prevalence of chronic pain conditions.


3. Future Market Projections

Naltrexone Hydrochloride

  • Market Drivers:
    The shift toward long-acting formulations, particularly injectables and implants, enhances therapeutic adherence, thereby expanding market share. Increased focus on integrated behavioral and pharmacotherapy approaches also propel adoption.

  • Innovations Impact:
    Novel delivery systems are expected to capture significant market attention, with projected CAGR of 7% between 2023-2030. The rising global emphasis on combating opioid addiction post-pandemic strongly supports this trajectory.

  • Regulatory Outlook:
    Continued approvals of extended-release formulations and approval expansion for new indications such as gambling addiction could further propel market growth.

Oxycodone Hydrochloride

  • Market Drivers:
    Despite regulatory challenges, the demand for potent analgesics sustains market volume. The development of abuse-deterrent formulations and non-invasive delivery systems is likely to facilitate sustainable growth.

  • Challenges & Opportunities:
    Stringent regulations may dampen growth in mature markets. However, the expansion into markets with less mature regulatory frameworks and the development of safer formulations present growth avenues.

  • Projection:
    The compound annual growth rate is expected to stabilize around 3-5% through 2030, influenced by regulatory tightening but balanced by innovation and unmet needs in pain management.


4. Strategic Opportunities & Risks

Opportunities

  • For Naltrexone:
    Expanding indications, including behavioral addictions, and improving long-acting formulations, enhances patient adherence and market penetration. Collaborations with biotech firms for novel delivery technologies remain promising.

  • For Oxycodone:
    Developing and commercializing abuse-deterrent formulations can address regulatory concerns, enabling market continuity. Additionally, integrating oxycodone into multimodal pain management strategies can diversify revenue streams.

Risks

  • Regulatory Hurdles:
    Increasing restrictions on opioids, especially oxycodone, pose significant barriers. Pending legislation and public health campaigns targeting opioid misuse threaten market stability.

  • Market Competition:
    Emergence of non-opioid pain therapies and alternative medications for addiction treatment could reduce demand.

  • Reputational & Legal Considerations:
    Companies associated with opioids face heightened scrutiny, potential litigation, and reputational damages, impacting sales and investment.


5. Key Takeaways

  • The clinical landscape for Naltrexone highlights a shift toward long-acting formulations, with ongoing trials aiming to improve compliance and expand indications.
  • Market dynamics favor Naltrexone’s growth driven by addiction treatment needs, while oxycodone faces stagnation due to regulatory constraints despite ongoing innovation in abuse-deterrent technologies.
  • Long-term projections favor sustained growth for Naltrexone, especially with regulatory support and technological advances.
  • The oxycodone market is likely to stabilize with a focus on safer formulations and alternative pain management methods.
  • Stakeholders should monitor regulatory developments closely, leveraging innovation while managing legal and reputational risks.

FAQs

1. What recent advancements have been made in Naltrexone delivery methods?
Recent clinical trials are exploring long-acting injectable and subdermal implant formulations to improve adherence and sustain therapeutic plasma levels, reducing relapse rates in addiction treatment.

2. How is the market pricing for Naltrexone changing with new formulations?
Long-acting formulations, such as injections and implants, generally command higher prices due to increased convenience and compliance benefits, which may influence reimbursement policies.

3. What are the main hurdles for oxycodone’s market growth?
Regulatory restrictions, prescription monitoring programs, and public health campaigns have significantly curtailed oxycodone’s availability, with ongoing efforts to develop abuse-deterrent formulations as a mitigation strategy.

4. Which emerging markets show growth potential for these drugs?
Countries in Asia-Pacific and Latin America are expanding their healthcare infrastructure, leading to increased adoption of addiction and pain management therapies, representing growth opportunities for both drugs.

5. How might future regulations impact these drugs' market trajectories?
Stricter opioid prescribing guidelines and tighter control measures could restrict oxycodone sales, whereas supportive policies for addiction treatment expand Naltrexone’s market, particularly for novel formulations.


References

[1] ClinicalTrials.gov. "Studies on Naltrexone Formulations." Accessed 2023.
[2] MarketWatch. "Global Naltrexone Market Size & Forecast." 2022.
[3] Grand View Research. "Opioid Market Analysis." 2023.
[4] FDA & DEA publications on opioid regulations and abuse-deterrent formulations.
[5] World Health Organization reports on opioid use and addiction trends.

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