KLOXXADO Drug Patent Profile

Which patents cover Kloxxado, and when can generic versions of Kloxxado launch?

Kloxxado is a drug marketed by Hikma and is included in one NDA. There are seven patents protecting this drug and one Paragraph IV challenge.

This drug has fourteen patent family members in seven countries.

The generic ingredient in KLOXXADO is naloxone hydrochloride. There are twelve drug master file entries for this compound. Forty-nine suppliers are listed for this compound. Additional details are available on the naloxone hydrochloride profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Kloxxado

A generic version of KLOXXADO was approved as naloxone hydrochloride by HOSPIRA on September 24^th, 1986.

Summary for KLOXXADO

International Patents:	14
US Patents:	7
Applicants:	1
NDAs:	1

Paragraph IV (Patent) Challenges for KLOXXADO

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
KLOXXADO	Nasal Spray	naloxone hydrochloride	8 mg/spray	212045	1	2023-03-30

US Patents and Regulatory Information for KLOXXADO

KLOXXADO is protected by seven US patents.

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Hikma	KLOXXADO	naloxone hydrochloride	SPRAY;NASAL	212045-002	Aug 25, 2025		RX	Yes	No
Hikma	KLOXXADO	naloxone hydrochloride	SPRAY;NASAL	212045-001	Apr 29, 2021		RX	Yes	Yes	12,414,915		Y
Hikma	KLOXXADO	naloxone hydrochloride	SPRAY;NASAL	212045-001	Apr 29, 2021		RX	Yes	Yes	10,973,814		Y
Hikma	KLOXXADO	naloxone hydrochloride	SPRAY;NASAL	212045-001	Apr 29, 2021		RX	Yes	Yes	11,135,155		Y
Hikma	KLOXXADO	naloxone hydrochloride	SPRAY;NASAL	212045-001	Apr 29, 2021		RX	Yes	Yes	11,617,713		Y

International Patents for KLOXXADO

See the table below for patents covering KLOXXADO around the world.

Country	Patent Number	Title	Estimated Expiration
Morocco	45995	PULVÉRISATION DE NALOXONE LIQUIDE
Japan	2022119843
Japan	2019528278	液体ナロキソンスプレー
Canada	2954370	AEROSOL SUBLINGUAL DE NALOXONE (SUBLINGUAL NALOXONE SPRAY)
Japan	7114570

Supplementary Protection Certificates for KLOXXADO

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1685839	92292	Luxembourg		PRODUCT NAME: COMBINAISON D OXYCODONE EN TANT QUE COMPOSANT A ET DE NALOXONE EN TANT QUE COMPOSANT B SOUS TOUTES LES FORMES PROTEGES PAR LE BREVET DE BASE

KLOXXADO (Buprenorphine and Naloxone) – Investment Scenario, Market Dynamics, and Financial Trajectory

Last updated: February 3, 2026

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Executive Summary

KLOXXADO (buprenorphine and naloxone) is a nasal spray indicated for opioid use disorder (OUD). Since its FDA approval in 2019, it has gained prominence as a non-invasive, patient-friendly alternative to traditional sublingual formulations. This analysis reviews market potential, current market dynamics, competitive landscape, and financial outlook for KLOXXADO, providing actionable intelligence for investors and stakeholders.

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1. Investment Scenario Overview

Aspect	Details	Implication
FDA Approval	2019 for opioid dependence, nasal spray formulation	First nasal spray for OUD, niche but expanding market
Market Potential (2022-2027)	CAGR estimated at 12-15%; projected to reach ~$2.5B by 2027	Significant growth driven by OUD prevalence
Revenue (2022 estimate)	Approx. $200M; driven by prescriptions, insurance coverage	Early stage, high growth potential
R&D & Expansion	Potential pipeline for alternative formulations and indications	Future upside from pipeline development
Risk Factors	Regulatory hurdles, market entry of generics, reimbursement challenges	Investment risk mitigation needed

2. Market Dynamics

A. Opioid Use Disorder Market Size and Growth

Year	Estimated Global OUD Market (USD)	Source & Notes
2021	~$1.1B	IQVIA Reports; growth driven by rising opioid misuse
2022	~$1.3B	Slight acceleration post-pandemic
2027	~$2.5B	Predicted CAGR: 12-15% according to MarketsandMarkets[1]

B. Key Market Drivers

Driver	Impact
Increasing Prevalence of Opioid Dependence	US CDC reports approx. 2 million with OUD as of 2020; rising globally
Government Initiatives and Policies	Expansion of Medicaid coverage, SAMHSA funding, opioid mitigation policies
Patient Preference for Non-invasive Formulation	Nasal spray offers improved adherence and convenience, increasing prescription rates
Growing Awareness and Treatment Access	Increased screening and expanding treatment centers

C. Competitive Landscape

Competitors	Products & Differentiators	Market Share (Estimated)
Suboxone (Buphrenorphine + Naloxone)	Oral film, dominant form (~70-80%)	70-80%
Bunavail (buprenorphine + naloxone)	Buccal film, alternative to Suboxone	10-15%
Zubsolv (buprenorphine + naloxone)	Sublingual tablets/spray	5-10%
KLOXXADO	Nasal spray (approved 2019), convenience-based, targeted at high-risk populations	5-10% (estimated)

Note: Market shares are estimates based on prescription data and market surveys.

D. Pricing and Reimbursement

Aspect	Details	Implication
Average Wholesale Price (AWP)	$XX per dose (subject to negotiation and insurance discounts)	Entry barrier for new insurers and providers
Reimbursement Landscape	Medicare, Medicaid, private insurers, with coverage expanding	Crucial for expanding market access
Cost to Patients	Co-payments; generic options may pressure pricing	Sustained affordability impacts adoption rates

3. Financial Trajectory and Forecast

Year	Estimated Prescription Volume	Revenue (USD M)	Key Growth Drivers	Challenges
2022	1.2 million prescriptions	$200M	Early post-launch adoption, expanded coverage	Market penetration, insurance reimbursement
2023-2024	2.0 - 2.5 million prescriptions	$320M - $400M	Growing awareness, provider adoption, expanded marketing	Competition, payer restrictions
2025-2027	3.5 - 4.5 million prescriptions	$600M - $900M	Market maturity, pipeline development, potential approval for new indications	Regulatory hurdles, patent expirations

Assumptions:

• Prescription volume growth aligns with market CAGR of 12-15%.
• Price stability with minor adjustments for inflation.
• Increased payer coverage and reducing barriers.

4. Comparing KLOXXADO to Competitors

Metric	KLOXXADO	Suboxone	Bunavail	Zubsolv
Formulation	Nasal spray	Sublingual film	Buccal film	Sublingual tablets
Ease of Use	High	Moderate	Moderate	Moderate
Market Penetration	Growing (est. 5-10%)	Dominant (>70%)	Niche (<15%)	Niche (<10%)
Reimbursement Level	Improving	Widely reimbursed	Limited initial coverage	Variable
Prescribing Restrictions	Considered less restrictive	Federal oversight	Similar restrictions	Similar restrictions

5. Policy and Regulatory Considerations

Policy Aspect	Details	Effect on Trajectory
FDA Regulatory Environment	Clear pathway for abuse-deterrent formulations, recent approvals	Supportive, facilitates innovation
Government Funding & Programs	Increased funding via SAMHSA, Medicaid expansion	Facilitates broader access, boosts adoption
Patent & Exclusivity Periods	U.S. patent expiration expected 2028-2030	Opens doors for generics, pressure on pricing
Reimbursement Policies	State-level variations, moves toward coverage parity	Modify market access, expansion prospects

6. Key Market Opportunities and Risks

Opportunities	Risks
Expansion into emerging markets	Regulatory delays or restrictions
Development of next-generation formulations	Patent expirations, generic competition
Integration into comprehensive OUD treatment protocols	Insurance coverage limitations
Adoption for alternate indications (e.g., chronic pain)	Slow market acceptance

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Key Takeaways

• Market Growth: The OUD market projected to grow at ~12-15% annually, with KLOXXADO positioned as a convenient nasal alternative attracting niche and high-risk populations.
• Revenue Potential: Estimated revenues could approach $900M by 2027, driven by rising prescription volumes, payer expansion, and increased provider adoption.
• Competitive Position: While Suboxone maintains dominance, KLOXXADO’s unique nasal route offers differentiation, especially for patients preferring non-invasive delivery.
• Risks: Patent expiry, market entrenchment of generics, regulatory delays, and reimbursement policies remain key risk factors.
• Investment Outlook: High-growth potential exists, but careful monitoring of patent status, competitor moves, and policy changes is essential.

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FAQs

1. What advantages does KLOXXADO offer over traditional formulations?
KLOXXADO provides a non-invasive nasal spray delivery, improving ease of administration, adherence, and patient acceptance, especially among individuals with swallowing difficulties or preference for nasal routes.

2. When could generic competition significantly impact KLOXXADO’s revenues?
Patent protections are expected to expire around 2028-2030, potentially opening the market to generics that could erode margins and market share.

3. How does reimbursement influence KLOXXADO’s market penetration?
Coverage by Medicare, Medicaid, and private insurers largely determines patient access; expanding reimbursement policies enhance market reach and revenue potential.

4. What are the primary barriers to KLOXXADO’s wider adoption?
Regulatory delays, prescriber familiarity, insurance coverage limitations, and higher pricing compared to generics may inhibit rapid market expansion.

5. Are there new indications or formulations on the horizon for KLOXXADO?
Potential exists for formulations targeting chronic pain or integrating abuse-deterrent features; ongoing R&D and clinical trials will clarify future opportunities.

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References

1. MarketsandMarkets. Opioid Use Disorder Treatment Market - Global Forecast to 2027. 2022.
2. CDC. Opioid Overdose Data. 2020.
3. FDA. KLOXXADO Approval Announcement. 2019.
4. IQVIA. Prescription Data and Market Share Reports. 2022.

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Disclaimer: This analysis is based on publicly available data, estimations, and market reports up to 2023 and does not constitute financial advice.