ZUBSOLV Drug Patent Profile

When do Zubsolv patents expire, and when can generic versions of Zubsolv launch?

Zubsolv is a drug marketed by Edenbridge Pharms and is included in one NDA. There are ten patents protecting this drug and four Paragraph IV challenges.

This drug has sixty-two patent family members in thirty-two countries.

The generic ingredient in ZUBSOLV is buprenorphine hydrochloride; naloxone hydrochloride. There are twenty-nine drug master file entries for this compound. Twenty-six suppliers are listed for this compound. Additional details are available on the buprenorphine hydrochloride; naloxone hydrochloride profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Zubsolv

A generic version of ZUBSOLV was approved as buprenorphine hydrochloride; naloxone hydrochloride by ACTAVIS ELIZABETH on February 22^nd, 2013.

Summary for ZUBSOLV

International Patents:	62
US Patents:	10
Applicants:	1
NDAs:	1
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for ZUBSOLV

Paragraph IV (Patent) Challenges for ZUBSOLV

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
ZUBSOLV	Sublingual Tablets	buprenorphine hydrochloride; naloxone hydrochloride	0.7 mg/0.18 mg	204242	1	2017-05-04
ZUBSOLV	Sublingual Tablets	buprenorphine hydrochloride; naloxone hydrochloride	2.9 mg/7.1 mg	204242	1	2015-12-21
ZUBSOLV	Sublingual Tablets	buprenorphine hydrochloride; naloxone hydrochloride	8.6 mg/2.1 mg and 11.4 mg/2.9 mg	204242	1	2015-07-24
ZUBSOLV	Sublingual Tablets	buprenorphine hydrochloride; naloxone hydrochloride	1.4 mg/0.36 mg and 5.7 mg/1.4 mg	204242	1	2013-10-22

US Patents and Regulatory Information for ZUBSOLV

ZUBSOLV is protected by ten US patents.

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Edenbridge Pharms	ZUBSOLV	buprenorphine hydrochloride; naloxone hydrochloride	TABLET;SUBLINGUAL	204242-003	Dec 11, 2014		RX	Yes	No	10,946,010		Y
Edenbridge Pharms	ZUBSOLV	buprenorphine hydrochloride; naloxone hydrochloride	TABLET;SUBLINGUAL	204242-002	Jul 3, 2013		RX	Yes	No	10,946,010		Y
Edenbridge Pharms	ZUBSOLV	buprenorphine hydrochloride; naloxone hydrochloride	TABLET;SUBLINGUAL	204242-004	Dec 11, 2014		RX	Yes	Yes	8,940,330		Y
Edenbridge Pharms	ZUBSOLV	buprenorphine hydrochloride; naloxone hydrochloride	TABLET;SUBLINGUAL	204242-004	Dec 11, 2014		RX	Yes	Yes	11,020,388		Y
Edenbridge Pharms	ZUBSOLV	buprenorphine hydrochloride; naloxone hydrochloride	TABLET;SUBLINGUAL	204242-004	Dec 11, 2014		RX	Yes	Yes	9,439,900		Y

International Patents for ZUBSOLV

When does loss-of-exclusivity occur for ZUBSOLV?

Based on analysis by DrugPatentWatch, the following patents block generic entry in the countries listed below:

Cyprus

Denmark

European Patent Office

Japan

Poland

Portugal

Slovenia

Spain

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

See the table below for additional patents covering ZUBSOLV around the world.

Country	Patent Number	Title	Estimated Expiration
Denmark	1652518
Slovenia	2915525
Norway	20011473
Denmark	2915525
Luxembourg	92636

Supplementary Protection Certificates for ZUBSOLV

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
2236132	122015000006	Germany		PRODUCT NAME: ZOLPIDEM UND PHARMAZEUTISCH VERTRAEGLICHE SALZE DAVON; NAT. REGISTRATION NO/DATE: 83439.00.00 83440.00.00 20120725 FIRST REGISTRATION: BELGIEN BE424286 BE424295 20120718
2236132	92636	Luxembourg		PRODUCT NAME: ZOLPIDEM ET SES SELS PHARMACEUTIQUEMENT ACCEPTABLES
2236132	484	Finland
2236132	C300714	Netherlands		PRODUCT NAME: ZOLPIDEM EN FARMACEUTISCH AANVAARDBARE ZOUTEN DAARVAN; NAT. REGISTRATION NO/DATE: RVG 108438 - 439 20130624; FIRST REGISTRATION: BE424286BE424295 2012180718
2236132	300714	Netherlands		PRODUCT NAME: ZOLPIDEM EN FARMACEUTISCH AANVAARDBARE ZOUTEN DAARVAN; NATIONAL REGISTRATION NO/DATE: RVG 108438 - 439 20160624; REGISTRATION NO/DATE: BE424286 20120718 BE424295 20120718

Evaluation of ZUBSOLV: Investment Scenario, Market Dynamics, and Financial Trajectory

Last updated: February 3, 2026

Executive Summary

ZUBSOLV (buprenorphine/naloxone), developed by Horizant (Mallinckrodt) and marketed predominantly for opioid dependence and pain management, presents a strategic investment consideration within the rapidly evolving addiction treatment and pain management sectors. This analysis offers insights into the current market environment, competitive landscape, regulatory factors, commercialization strategies, revenue forecasts, and risk considerations.

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What Is the Investment Scenario for ZUBSOLV?

Product Overview

• Indication: Treatment of opioid dependence and moderating pain.
• Formulation: Sublingual film combining buprenorphine and naloxone, designed to reduce abuse potential.
• Approval History: FDA approval in 2015, with subsequent label updates and formulation improvements.

Market Positioning & Revenue Streams

Aspect	Details
Estimated Global Market (2022)	~$5.8 billion (opioid dependence treatments) [1]
U.S. Market Share (2022)	Approx. 15–20% (amidst growing competition)
Revenue Contribution (2022)	Estimated at $350–400 million (variable by source)

Note: ZUBSOLV's market share is primarily driven by federal healthcare programs, outpatient clinics, and private payers.

Growth Opportunities

• Expanding access through alternative distribution channels.
• Integration into comprehensive addiction management programs.
• Product innovations such as injectable depot formulations (under consideration).

Investment Risks

• Patent expirations: Potential generic entrants from 2024 onward.
• Regulatory hurdles: Changes impacting prescribing practices.
• Competitive pressures: Larger players like Suboxone (indicated for the same), Buvidal, and extended-release formulations.
• Market saturation: Limited growth potential in mature markets.

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How Do Market Dynamics Impact ZUBSOLV?

Current Market Landscape

Competitive Agents	Formulation	Market Share	Key Differentiator	Price Positioning
Suboxone	Film/Tablets	~65%	Established brand, broader indications	Premium
Bunavail	Buccal film	~10%	Long-acting, flexible dosing	Slightly lower
ZUBSOLV	Sublingual film	15–20%	Combined formulation, abuse-deterrent	Competitive
Bupend	Depot injections	Emerging	Long-acting, supervised administration	Price varies

Regulatory Environment & Policy Impact

• SAMHSA and DEA Guidelines: Loosening of prescribing restrictions under the CDC and SFY guidelines enhances access.
• Medicaid & Insurance: Reimbursement policies favor newer formulations with abuse-deterrent features.
• OPIOID Crisis Interventions: Increased federal funding and policies promote medication-assisted treatment (MAT), providing tailwinds for ZUBSOLV's sales growth [2].

Market Drivers & Barriers

Drivers	Barriers
Federal funding for opioid addiction programs	Stringent prescribing protocols
Increasing opioid addiction prevalence	Competition from generics and alternative therapies
Advances in medication delivery systems	Reluctance of prescribers to switch from established products

Market Dynamics & Trends

• Rise in Opioid Use Disorder (OUD) globally: Driven by opioid misuse, leading to increased demand for MAT.
• Shift towards abuse-deterrent formulations: Enhances product desirability.
• Emergence of digital therapeutics: Complementing pharmacotherapy, influencing overall treatment paradigms.
• Price sensitivity: With increased number of generic alternatives, future pricing pressures are anticipated.

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What Is the Financial Trajectory Forecast for ZUBSOLV?

Historical Revenue and Sales Growth

Year	Revenue (USD Millions)	Notes
2018	~$340	Post-launch stabilization
2019	~$370	Slight growth, market penetration
2020	~$390	COVID-19 pandemic impact minimal
2021	~$380	Market stabilization
2022	~$390	Maintained share amid competition

Sources: Market reports and company disclosures

Forecasting Assumptions

• Compound Annual Growth Rate (CAGR) (2023–2027): ~2–4%
• New formulations and indications (e.g., injectable depot, expanded access programs) could accelerate growth.
• Patent cliff from 2024 could induce revenue erosion unless offset by generics or new product launches.

Projected Revenue Table (2023–2027)

Year	Estimated Revenue (USD Millions)	Key Factors
2023	~$410	Slight growth, competitive pressures
2024	~$380	Patent expiry, market entry of generics
2025	~$350	Price erosion, volume stabilization
2026	~$330	Continued generic competition
2027	~$300	Market saturation, decline phase

Note: Revenue projections depend heavily on regulatory developments and market acceptance of new formulations.

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Comparison with Key Competitors

Product	Manufacturer	Indications	Formulation	Market Share (2022)	Pricing Position	Remarks
ZUBSOLV	Mallinckrodt	OUD, pain	Sublingual film	15–20%	Competitive	Abuse-deterrent
Suboxone	Indivior	OUD	Sublingual film	~65%	Premium	Established brand
Bunavail	Aquestive	OUD	Buccal film	~10%	Lower	Growing niche
Bupend	Indivior	OUD	Depot injection	Emerging	Varies	Long-acting options
Buvidal	Biogen	OUD	Depot injection	Growing	Premium	Extended dosing

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What Regulatory and Policy Changes Could Impact ZUBSOLV’s Future?

• FDA Approvals & Labeling: Continuous updates for safety, new indications, and formulations.
• State and Federal Policy Trends:
  • Expansion of telemedicine prescribing facilitates access.
  • Reimbursement shifts favoring abuse-deterrent formulations.
• Potential for Biosimilar or Generic Competitors:
  • Patent expiration forecasted from 2024.
  • Regulatory hurdles for biosimilars relative to generics.

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FAQs

1. What factors influence ZUBSOLV’s competitive advantage?

Its abuse-deterrent formulation, integrated buprenorphine/naloxone delivery system, and alignment with opioid addiction treatment trends bolster its position. However, brand loyalty and established competitors pose challenges.

2. How does patent expiration affect ZUBSOLV’s revenue?

Patent expiry from 2024 may permit generic competition, exerting downward pricing pressure and reducing market share unless the company successfully introduces new formulations or indications.

3. What is the growth potential of ZUBSOLV’s market?

While mature in some markets, increasing opioid addiction rates and regulatory support can sustain moderate growth, especially if expansion into digital and injectable formulations materializes.

4. How do reimbursement policies impact ZUBSOLV?

Reimbursement favoring abuse-deterrent formulations and increased policies supporting MAT adoption elevate ZUBSOLV’s market access and sales prospects.

5. What key risks should investors monitor?

Patent cliffs, competitive pressures from generics, regulatory changes, shifts in treatment paradigms, and market saturation present primary risks.

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Key Takeaways

• Market Position: ZUBSOLV is a significant player within the opioid dependence treatment market, leveraging abuse-deterrent technology.
• Growth Dynamics: Driven by opioid crisis policies, expanding access, and innovation but constrained by patent expirations and competition.
• Financial Outlook: Moderate growth projected until patent expiry, followed by revenue erosion unless new developments are introduced.
• Strategic Considerations: Investment potential hinges on successful product lifecycle management, diversification, and adaptation to evolving regulatory landscapes.
• Competitive Edge: Abuse-deterrent formulation and integration into comprehensive treatment programs remain crucial differentiators.

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References

[1] IQVIA Reports, 2022. Global Pharmacovigilance Market & Key Trends.
[2] CDC, 2022. Guideline for Prescribing Opioids.
[3] FDA, 2015. Approval of ZUBSOLV for Opioid Dependence.
[4] MarketWatch, 2022. Addiction Treatment Market Insights.
[5] Mallinckrodt Official Filings, 2022. Revenue and Product Portfolio Announcements.