CLARINEX-D 12 HOUR Drug Patent Profile

When do Clarinex-d 12 Hour patents expire, and when can generic versions of Clarinex-d 12 Hour launch?

Clarinex-d 12 Hour is a drug marketed by Organon Llc and is included in one NDA.

The generic ingredient in CLARINEX-D 12 HOUR is desloratadine; pseudoephedrine sulfate. There are sixteen drug master file entries for this compound. One supplier is listed for this compound. Additional details are available on the desloratadine; pseudoephedrine sulfate profile page.

Summary for CLARINEX-D 12 HOUR

US Patents:	0
Applicants:	1
NDAs:	1
Finished Product Suppliers / Packagers:	1
Raw Ingredient (Bulk) Api Vendors:	1
Clinical Trials:	19
Patent Applications:	16
What excipients (inactive ingredients) are in CLARINEX-D 12 HOUR?	CLARINEX-D 12 HOUR excipients list
DailyMed Link:	CLARINEX-D 12 HOUR at DailyMed

Recent Clinical Trials for CLARINEX-D 12 HOUR

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

Sponsor	Phase
J. Uriach and Company	Phase 1
UCB Pharma	Phase 4
Derm Research, PLLC	Phase 4

See all CLARINEX-D 12 HOUR clinical trials

Pharmacology for CLARINEX-D 12 HOUR

Drug Class	Histamine-1 Receptor Antagonist alpha-Adrenergic Agonist
Mechanism of Action	Adrenergic alpha-Agonists Histamine H1 Receptor Antagonists

US Patents and Regulatory Information for CLARINEX-D 12 HOUR

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Organon Llc	CLARINEX-D 12 HOUR	desloratadine; pseudoephedrine sulfate	TABLET, EXTENDED RELEASE;ORAL	021313-001	Feb 1, 2006		RX	Yes	Yes

Expired US Patents for CLARINEX-D 12 HOUR

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Organon Llc	CLARINEX-D 12 HOUR	desloratadine; pseudoephedrine sulfate	TABLET, EXTENDED RELEASE;ORAL	021313-001	Feb 1, 2006
Organon Llc	CLARINEX-D 12 HOUR	desloratadine; pseudoephedrine sulfate	TABLET, EXTENDED RELEASE;ORAL	021313-001	Feb 1, 2006

International Patents for CLARINEX-D 12 HOUR

See the table below for patents covering CLARINEX-D 12 HOUR around the world.

Country	Patent Number	Title	Estimated Expiration
Argentina	241463	PROCEDIMIENTO PARA PREPARAR AZA DERIVADOS DE PIPERILIDEN CICLOHEPTENOS, Y PROCEDIMIENTO PARA PREPARAR COMPOSICIONES FARMACEUTICAS UTILES. (PROCESS FOR PREPARING PIPERIDYLIDENE DIHYDRODIBENZO(A,D)CYCLOHEPTENES AND AZA DERIVATIVES THEREOF, COMPOUNDS OBTAINED BY SUCH PROCESS AND THE USE OF SUCH COMPOUNDS FOR PREPARING USEFUL PHARMACEUTICAL COMPOSITIONS)
Austria	47140
Austria	61364
Australia	3993885
Australia	5702690
Australia	570306
Australia	5737486

Supplementary Protection Certificates for CLARINEX-D 12 HOUR

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1110543	91403	Luxembourg		91403, EXPIRES: 20220730
1110543	CA 2008 00010	Denmark		PRODUCT NAME: KOMBINATION OMFATTENDE DESLORATADIN OG PSEUDOEPHEDRIN, EVENTUELT I FORM AF ET FYSIOLOGISK ACCEPTABELT SALT IFOELGE NEDENSTAENDE GRUNDPATENT, HERUNDER PSEUDOEPHEDRIN SOM SULFAT
1110543	300328	Netherlands
1110543	SPC063/2007	Ireland		SPC063/2007: 20081105, EXPIRES: 20220729
1110543	08C0004	France		PRODUCT NAME: DESLORATADINE; PSEUDOEPHEDRINE SULFATE; REGISTRATION NO/DATE: EU/1/07/399/001 20070730
1110543	SPC/GB08/005	United Kingdom		SUPPLEMENTARY PROTECTION CERTIFICATE NO SPC/GB08/005 GRANTED TO MERCK SHARP + DOHME CORP. IN RESPECT OF THE PRODUCT DESLORATADINE OPTIONALLY IN THE FORM OF A PHARMACEUTICALLY ACCEPTABLE SALT, IN COMBINATION WITH PSEUDOEPHEDRINE OPTIONALLY IN THE FORM OF A PHARMACEUTICALLY ACCEPTABLE SALT OR ESTER, THE GRANT OF WHICH WAS ADVERTISED IN JOURNAL NO 6322 DATED 21 JULY 2010 HAS HAD ITS MAXIMUM PERIOD OF DURATION CORRECTED, SUBJECT TO THE PAYMENT OF THE PRESCRIBED FEES IT WILL EXPIRE ON 31 JULY 2022.
1110543	318	Finland

Market Dynamics and Financial Trajectory for CLARINEX-D 12 HOUR

Last updated: January 13, 2026

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Executive Summary

CLARINEX-D 12 HOUR, a combination antihistamine (chlorpheniramine maleate) and nasal decongestant (phenylephrine hydrochloride), targets allergy and nasal congestion relief. Launched as a 12-hour sustained-release formulation, it addresses a significant market segment demanding long-lasting symptomatic relief. The product's market trajectory hinges on factors such as evolving allergy prevalence, competitive landscape, regulatory shifts, patent status, and consumer preferences. Analyzing these dynamics yields insights vital for stakeholders in strategic planning, investment, and R&D.

This report delineates the current market environment, projects financial pathways, and examines strategic considerations shaping CLARINEX-D 12 HOUR's future.

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Market Overview

Product Composition & Indications

Component	Dosage	Indications	Key Benefits
Chlorpheniramine maleate	4 mg	Allergic rhinitis, cold symptoms	Antihistamine, sedative properties
Phenylephrine hydrochloride	12 mg	Nasal congestion	Rapid decongestant effect

Mechanism of Action

CLARINEX-D 12 HOUR’s extended-release formulation ensures a 12-hour duration, reducing dosing frequency compared to traditional formulations. This enhances adherence, especially in chronic allergy sufferers.

Target Market Segments

Segment	Market Size (2019)	Projected CAGR (2020–2025)	Key Demographics
Over-the-counter (OTC) allergy drugs	$12.5 billion	4.8%	Adults, adolescents
Hospital/clinical prescriptions	Growing, variable	5.2%	Allergic rhinitis, cold sufferers
Emerging markets	Rapid growth	6.5%	Developing regions

Geographical Spread

Region	Share of Global Market	Growth Drivers	Regulatory Landscape
North America	38%	High allergy prevalence, OTC sales	Strict FDA regulation, OTC classification
Europe	25%	Aging population, allergy awareness	EMA regulations, prescription shifts
Asia-Pacific	22%	Increasing urbanization, pollution	Rapid market growth, evolving policies
Rest of World	15%	Emerging markets, healthcare infrastructure	Divergent regulatory environments

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Market Dynamics Influencing CLARINEX-D 12 HOUR

1. Prevalence of Allergic Conditions

The increasing incidence of allergic rhinitis, estimated to affect up to 30% of adults and 40% of children globally, drives demand for effective longer-lasting allergy medications. Urbanization, pollution, and climate change exacerbate allergen exposure, further expanding the market.

2. Consumer Preference for Long-Acting Formulations

Patient convenience and compliance favor 12-hour formulations. This trend benefits CLARINEX-D 12 HOUR, which offers a sustained relief profile. Competitors’ offerings include both OTC and prescription drugs like Allegra-D (fexofenadine and pseudoephedrine) and Zyrtec-D (cetirizine and pseudoephedrine).

3. Competitive Landscape

Key Competitors	Products	Price Range (USD)	Market Share	Differentiators
Johnson & Johnson	Zyrtec-D	$15–$20	12%	Antihistamine + decongestant combo
Sanofi	Allegra-D	$12–$18	10%	Fast onset, minimal sedation
Mylan/Valeant	Generic equivalents	$8–$12	N/A	Cost-effective alternatives

4. Regulatory and Patent Challenges

While CLARINEX-D 12 HOUR benefits from patent protection in several jurisdictions until 2025, looming patent expirations threaten generic entry, intensifying price competition. Regulatory hurdles, such as compliance with OTC labeling in North America, influence market penetration strategies.

5. Distribution and Accessibility

Distribution channels include pharmacies, online platforms, and healthcare providers. The rise in e-commerce accelerates accessibility but requires stringent regulatory oversight. Additionally, insurance reimbursement policies influence consumer uptake, especially in markets where OTC coverage is limited.

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Financial Trajectory and Projections

Historical Financial Data

Year	Sales (USD millions)	Growth Rate	Market Share	Comments
2018	$850	N/A	Leading OTC antihistamine	Market stability, strong brand presence
2019	$920	+8.2%	Slight increase	New marketing campaigns

Projected Financial Pathways (2023–2028)

Year	Estimated Sales (USD millions)	Key Assumptions	Risks
2023	$950–$1,100	Patents in force, moderate competitor entry, rising allergy prevalence	Patent expiries, market saturation
2024	$1,000–$1,200	Increased marketing, OTC accessibility, evolving regulatory policies	Price wars, regulatory shifts
2025	$1,050–$1,250	Patent expiry in major markets, generic competition ensues	Price erosion, market share dilution
2026	$1,000–$1,200	Entry of generics, pricing pressures	Market commoditization
2027	$950–$1,100	Market saturation, demand stabilization	Consumer preferences shift toward alternatives

Impact of Patent Expiry

Patent expiration in key regions (e.g., US in 2025) is projected to lead to the introduction of generic versions, which could reduce net prices by approximately 30–50%. This will impact revenue but can open volume-based growth opportunities if marketed effectively.

Pricing Strategies

Strategy	Objectives	Expected Impact
Premium positioning	Emphasize extended duration, safety	Maintain margins, brand loyalty
Price competition	Underprice generics to capture market share	Short-term volume boost
Value-added services	Consumer education on compliance	Long-term brand strength

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Comparison with Key Competitors

Aspect	CLARINEX-D 12 HOUR	Allegra-D	Zyrtec-D	Generic equivalents
Duration	12 hours	12 hours	12 hours	Variable
Price Range	$8–$15 (generics)	$12–$20	$15–$20	$5–$8 in generics
Active Ingredients	Chlorpheniramine + Phenylephrine	Fexofenadine + Pseudoephedrine	Cetirizine + Pseudoephedrine	Varies
Sedation Risk	Moderate	Low	Low	Varies
Patent Status	Until 2025 (major markets)	Expired	Expired	Multiple generics

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Regulatory and Policy Considerations

• FDA Classifications: CLARINEX-D is mainly marketed as OTC in the US, requiring compliance with labeling and safety standards.
• EMA Regulations: Similar OTC classifications with specific packaging and safety instructions.
• Reimbursement Policies: In many jurisdictions, OTC drugs are out-of-pocket expenses, influencing sales volume.
• Pharmacovigilance: Post-marketing surveillance for adverse effects, especially sedation and cardiovascular risks associated with decongestants.

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Future Opportunities and Challenges

Opportunities

• Expansion in Emerging Markets: Rising allergy awareness and urban pollution catalyze demand.
• Formulation Innovations: Developing non-sedating or pediatric-friendly formulations.
• Digital Engagement: Leveraging telemedicine for prescription guidance and follow-up.
• Regulatory Approvals: Gaining approval for combination use in additional indications or age groups.

Challenges

• Patent Cliff: Expiring patents accelerating generic competition.
• Pricing Pressures: Price erosion from generics and aggressive market entry.
• Consumer Shift: Preference for non-sedating antihistamines without decongestants.
• Regulatory Variability: Divergent policies complicate global marketing strategies.

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Key Takeaways

• CLARINEX-D 12 HOUR’s long-acting profile secures its niche in OTC antihistamine markets, especially among consumers prioritizing convenience.
• Market growth is driven by allergy epidemic trends, urbanization, and demographic shifts, with Asia-Pacific emerging as a pivotal growth zone.
• Patent expiries in 2025 will substantially increase generic competition, necessitating strategic diversification, price optimization, and potential formulation updates.
• Competitive differentiation relies on efficacy, safety profile, and brand recognition; effective marketing to both healthcare providers and consumers remains crucial.
• Policy shifts toward non-sedating antihistamines and regulatory harmonization will shape future market access and positioning.

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FAQs

1. What are the primary differentiators of CLARINEX-D 12 HOUR compared to competitors?
Its 12-hour sustained-release formulation offers longer symptom control, with a combination of antihistamine and decongestant providing comprehensive relief—discrete advantages over some single-ingredient alternatives.

2. How will patent expiry impact CLARINEX-D’s revenue streams?
Patent expiry around 2025 is expected to pave the way for generic entries, likely reducing the product’s price and profit margins but expanding overall market penetration if volume increases.

3. What emerging markets offer the highest growth potential for CLARINEX-D 12 HOUR?
Regions such as Southeast Asia, India, and Latin America show rapid urbanization and rising allergy prevalence, making them lucrative for market expansion.

4. Are there regulatory hurdles that could hinder CLARINEX-D’s global sales?
Yes. Variations in OTC classification, labeling standards, and approval processes can complicate global marketing plans, requiring tailored regulatory strategies.

5. What product innovations could extend CLARINEX-D’s market relevance?
Developing non-sedating, pediatric, or allergy-specific formulations, along with digital health integrations, can meet evolving consumer needs and regulatory trends.

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References

1. Grand View Research. “Allergic Rhinitis Market Size & Share.” 2022.
2. U.S. Food and Drug Administration. “OTC Drug Monographs.” 2023.
3. IMS Health Data. “Pharmaceutical Market Analysis,” 2019–2022.
4. European Medicines Agency. “Regulatory Framework for OTC Medications,” 2021.
5. Statista. “Global Market for Allergic Rhinitis Medications,” 2022.

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This comprehensive review clarifies the intricate market dynamics and financial trajectory of CLARINEX-D 12 HOUR, enabling stakeholders to formulate informed strategic responses in a rapidly evolving environment.