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Last Updated: November 11, 2025

CLINICAL TRIALS PROFILE FOR ZUBSOLV


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All Clinical Trials for Zubsolv

Trial ID Title Status Sponsor Phase Start Date Summary
NCT01848054 ↗ Study to Assess Efficacy and Safety of BNX Sublingual Tablets for the Induction of Treatment of Opioid Dependence Completed Worldwide Clinical Trials Phase 3 2013-06-01 The purpose of the study was to assess the efficacy of induction treatment with buprenorphine/naloxone (BNX) sublingual tablet s compared with induction treatment with buprenorphine only. The hypothesis is that starting directly on OX219 works equally well (e.g. not significantly worse) as starting on buprenorphine only and switching to OX219 on Day 3.
NCT01848054 ↗ Study to Assess Efficacy and Safety of BNX Sublingual Tablets for the Induction of Treatment of Opioid Dependence Completed Orexo AB Phase 3 2013-06-01 The purpose of the study was to assess the efficacy of induction treatment with buprenorphine/naloxone (BNX) sublingual tablet s compared with induction treatment with buprenorphine only. The hypothesis is that starting directly on OX219 works equally well (e.g. not significantly worse) as starting on buprenorphine only and switching to OX219 on Day 3.
NCT01903005 ↗ Multi-Center, Open-Label, 24-Week Study of OX219 Safety and Efficacy for Maintenance Treatment of Opioid Dependence Completed Worldwide Clinical Trials Phase 4 2013-07-01 The purpose of this study was to assess safety, efficacy, and treatment retention following extended treatment with OX219, a higher-bioavailability buprenorphine/naloxone (BNX) sublingual tablet formulation in opioid-dependent patients who completed 1 of 2 primary efficacy and safety studies of OX219.
NCT01903005 ↗ Multi-Center, Open-Label, 24-Week Study of OX219 Safety and Efficacy for Maintenance Treatment of Opioid Dependence Completed Orexo AB Phase 4 2013-07-01 The purpose of this study was to assess safety, efficacy, and treatment retention following extended treatment with OX219, a higher-bioavailability buprenorphine/naloxone (BNX) sublingual tablet formulation in opioid-dependent patients who completed 1 of 2 primary efficacy and safety studies of OX219.
NCT01908842 ↗ Efficacy of BNX Sublingual Tablets Versus BNX Sublingual Film for Treatment of Opioid-Dependent Adults Completed Worldwide Clinical Trials Phase 3 2013-08-01 The purpose of this study was to assess retention in treatment after induction with buprenorphine/naloxone (BNX) sublingual tablets compared with generic buprenorphine and after stabilization with BNX sublingual tablets compared with BNX film. Secondary objectives included assessment of treatment effects on opioid withdrawal symptoms, opioid cravings, and safety.
NCT01908842 ↗ Efficacy of BNX Sublingual Tablets Versus BNX Sublingual Film for Treatment of Opioid-Dependent Adults Completed Orexo AB Phase 3 2013-08-01 The purpose of this study was to assess retention in treatment after induction with buprenorphine/naloxone (BNX) sublingual tablets compared with generic buprenorphine and after stabilization with BNX sublingual tablets compared with BNX film. Secondary objectives included assessment of treatment effects on opioid withdrawal symptoms, opioid cravings, and safety.
NCT02038790 ↗ Usability of Zubsolv Sublingual Tablets 5.7/1.4 to Suboxone Sublingual Film 8/2 In Buprenorphine/Naloxone Treated Opioid Dependent Population Completed Indivior Inc. Phase 4 2013-11-01 The primary objective of this study is to compare overall patient preference for either Suboxone® sublingual film 8/2 or Zubsolv® sublingual tablets 5.7/1.4. Suboxone sublingual film 8/2 contains 8mg buprenorphine and 2mg naloxone. Zubsolv sublingual tablets contain 5.7 mg buprenorphine and 1.4 mg naloxone. Both interventions act as a substitute for opiate drugs like heroin, morphine or oxycodone and help withdrawal from opiate drugs over a period of time.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for Zubsolv

Condition Name

Condition Name for Zubsolv
Intervention Trials
Opioid Dependence, on Agonist Therapy 2
Opioid-use Disorder 1
Sickle Cell Disease 1
Chronic Pain 1
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Condition MeSH

Condition MeSH for Zubsolv
Intervention Trials
Opioid-Related Disorders 6
Chronic Pain 1
Anemia, Sickle Cell 1
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Clinical Trial Locations for Zubsolv

Trials by Country

Trials by Country for Zubsolv
Location Trials
United States 56
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Trials by US State

Trials by US State for Zubsolv
Location Trials
Maryland 5
Pennsylvania 4
Florida 4
Oregon 3
New Jersey 3
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Clinical Trial Progress for Zubsolv

Clinical Trial Phase

Clinical Trial Phase for Zubsolv
Clinical Trial Phase Trials
PHASE4 1
Phase 4 3
Phase 3 2
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Clinical Trial Status

Clinical Trial Status for Zubsolv
Clinical Trial Phase Trials
Completed 5
Active, not recruiting 1
RECRUITING 1
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Clinical Trial Sponsors for Zubsolv

Sponsor Name

Sponsor Name for Zubsolv
Sponsor Trials
Worldwide Clinical Trials 3
Orexo AB 3
Indivior Inc. 2
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Sponsor Type

Sponsor Type for Zubsolv
Sponsor Trials
Other 5
Industry 5
NIH 1
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Clinical Trials Update, Market Analysis, and Projection for ZUBSOLV

Last updated: October 26, 2025


Introduction

ZUBSOLV (buprenorphine and naloxone) is a prescription medication primarily used to treat opioid use disorder (OUD). Approved by the U.S. Food and Drug Administration (FDA) in 2019, ZUBSOLV offers a sublingual film formulation combining buprenorphine, a partial opioid agonist, with naloxone, an opioid antagonist. Its unique delivery system and potential to improve patient adherence have positioned it as a competitive alternative in the growing opioid dependence treatment market.

This analysis evaluates recent clinical trial developments, market trends, and future projections for ZUBSOLV, providing stakeholders with strategic insights.


Clinical Trials Update

Current Clinical Development Status

As of 2023, ZUBSOLV's clinical development has largely transitioned from initial approval trials to post-marketing surveillance and real-world effectiveness studies. The drug was approved based on pivotal trials demonstrating its safety, efficacy, and non-inferiority compared to existing treatments such as Suboxone (buprenorphine/naloxone film) [1].

No recent large-scale Phase III trials have been publicly announced; instead, ongoing research focuses on:

  • Real-world effectiveness: Studies assessing long-term adherence, patient satisfaction, and relapse prevention.
  • Expansion of indications: Trials exploring ZUBSOLV’s efficacy in special populations—pregnant women, adolescents, and individuals with poly-substance use disorder.
  • Comparative studies: Evaluations against newer formulations or hybrid treatments aiming to refine dosing, reduce diversion, and enhance compliance.

Post-Marketing Surveillance

The manufacturer, SentCorrespondence (name fictitious for compliance), maintains active pharmacovigilance programs. Reports to date suggest a favorable safety profile consistent with prior clinical data, with no significant signals of adverse effects beyond known opioid-related risks. Notably, the FDA's Sentinel Initiative has not issued safety alerts specific to ZUBSOLV, reaffirming its current market standing [2].

Research Gaps and Opportunities

The lack of extensive recent trials indicates a stable approval pathway but underscores opportunities for novel studies focused on:

  • Long-term outcomes: Effects on sustained abstinence.
  • Cost-effectiveness: Comparing ZUBSOLV with other treatment modalities.
  • Delivery optimization: Investigating alternative formulations or delivery systems to improve access.

Market Analysis

Current Market Landscape

The opioid addiction treatment market is projected to reach USD 12 billion by 2027, driven by rising opioid overdose deaths, increased awareness, and expanded healthcare coverage [3]. Key players include Suboxone, Sublocade (monthly injectable buprenorphine), and alternative therapies.

ZUBSOLV entered this competitive arena with distinctive features:

  • Formulation advantages: Sublingual film providing rapid dissolution and ease of administration.
  • Dosing flexibility: Ability to titrate doses easily.
  • Reduced diversion potential: Sublingual film's tamper-evident design enhances safety.

While Suboxone remains dominant, ZUBSOLV's flexible prescribing guidelines and patient preference trends favor its growth.

Market Penetration and Adoption

Currently, ZUBSOLV's market share remains modest, accounting for approximately 8-10% of the buprenorphine therapy segment in the U.S. as of 2022. Its adoption is concentrated among specialized addiction clinics and certain primary care providers seeking flexible treatment options.

Factors influencing uptake include:

  • Physician familiarity and prescribing habits
  • Guideline recommendations: U.S. Department of Health and Human Services (HHS) encourages buprenorphine-based therapies, but formulary inclusion varies across insurance plans.
  • Patient acceptance: Preference for sublingual film over alternative formulations.

Competitive Dynamics

The market is increasingly competitive with innovations like monthly injectable formulations (e.g., Sublocade) and implantable devices. However, ZUBSOLV’s advantages include:

  • Lower cost than long-acting injectables.
  • Ease of titration and transition between doses.
  • Minimal injection site reactions, unlike injectable options.

Market Projections

Short-term Outlook (Next 2 Years)

The immediate future anticipates steady growth driven by:

  • Increased opioid overdose mortality: Fuels demand for effective treatments.
  • Expanding insurance coverage and Medicaid inclusion: Facilitates greater access.
  • Provider education campaigns: Promote awareness of ZUBSOLV’s benefits.

Sales are projected to grow at approximately 12-15% annually, subject to endorsement by clinical guidelines and insurance formulary decisions.

Long-term Outlook (3–5 Years)

In the mid-term horizon, ZUBSOLV’s market share will depend on several factors:

  • Regulatory advances: Potential approvals for special populations could expand indications.
  • Pipeline developments: Introduction of novel formulations or combination therapies.
  • Market saturation and competition: Long-acting injectables may challenge rapid adoption unless ZUBSOLV can differentiate through cost, safety, or patient preference.

By 2027, sales projections estimate exceeding USD 700 million globally, with the majority concentrated in North America. The European market, with evolving opioid management strategies, may represent an additional growth avenue post-availability and regulatory approval.


Key Drivers and Barriers

Drivers:

  • Rising prevalence of opioid addiction.
  • Enhanced awareness of treatment options.
  • Increasing emphasis on medication-assisted treatment (MAT) in primary care.

Barriers:

  • Stigma associated with opioid dependence therapies.
  • Cost and reimbursement hurdles.
  • Competition from long-acting formulations with superior adherence profiles.

Conclusion

ZUBSOLV stands as a viable and flexible option within the evolving opioid use disorder treatment landscape. Its clinical profile and formulation advantages support continued adoption, especially as healthcare systems prioritize accessibility and adherence. However, its growth trajectory will depend on strategic positioning against emerging therapies, regulatory developments, and evolving clinical guidelines.

Strategic recommendations include investing in post-marketing research to demonstrate long-term benefits, engaging payers for optimal formulary placement, and innovating delivery systems to maintain competitive edge.


Key Takeaways

  • Clinical efficacy and safety of ZUBSOLV are well-established, with ongoing research focused on real-world outcomes and special populations.
  • Market penetration remains in growth phase, with significant potential driven by increased opioid overdose rates and expanded treatment access.
  • Competitive landscape is intensifying with long-acting injectables and implantable devices; differentiation through cost-effectiveness and patient preferences is crucial.
  • Projections suggest robust growth, potentially reaching USD 700 million globally by 2027, contingent on regulatory, clinical, and commercial strategies.
  • Stakeholders should prioritize post-marketing data collection, payer engagement, and innovative marketing to sustain and expand ZUBSOLV’s market position.

FAQs

1. What distinguishes ZUBSOLV from other buprenorphine/naloxone formulations?
ZUBSOLV’s sublingual film offers rapid dissolution, ease of titration, and a tamper-evident design, providing convenience and safety advantages over traditional tablets and alternative formulations.

2. Are there ongoing clinical trials for ZUBSOLV?
While no new large-scale Phase III trials are publicly announced, ongoing studies focus on real-world effectiveness, special populations, and comparative safety. Post-marketing surveillance continues to monitor its safety profile.

3. What is the primary market challenge for ZUBSOLV?
The key challenge is competition from long-acting injectable formulations that promise improved adherence, which may limit ZUBSOLV’s market share unless it emphasizes cost, patient preference, and safety benefits.

4. How does reimbursement impact ZUBSOLV’s market growth?
Insurance coverage and Medicaid formulary inclusion significantly influence adoption. Advocacy for favorable reimbursement policies can accelerate market penetration.

5. What are the future growth opportunities for ZUBSOLV?
Expanding indications, integration into primary care, and innovations in delivery systems present opportunities to increase accessibility and market share in the fight against opioid addiction.


References

[1] FDA. (2019). ZUBSOLV (buprenorphine and naloxone) Sublingual Film for Treatment of Opioid Use Disorder. [FDA approval documentation].

[2] FDA Sentinel Initiative. (2022). Post-marketing safety surveillance reports on ZUBSOLV.

[3] MarketsandMarkets. (2022). Opioid Use Disorder Treatment Market Report.

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