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Last Updated: March 28, 2026

DYCLONE Drug Patent Profile


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

Dyclone is a drug marketed by Astrazeneca and is included in one NDA.

The generic ingredient in DYCLONE is dyclonine hydrochloride. There are four drug master file entries for this compound. One supplier is listed for this compound. Additional details are available on the dyclonine hydrochloride profile page.

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Summary for DYCLONE
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 74
Patent Applications: 670
DailyMed Link:DYCLONE at DailyMed
Drug patent expirations by year for DYCLONE

US Patents and Regulatory Information for DYCLONE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Astrazeneca DYCLONE dyclonine hydrochloride SOLUTION;TOPICAL 009925-002 Approved Prior to Jan 1, 1982 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Astrazeneca DYCLONE dyclonine hydrochloride SOLUTION;TOPICAL 009925-001 Approved Prior to Jan 1, 1982 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Market Dynamics and Financial Trajectory for DYCLONE

Last updated: March 5, 2026

What is the current market position of DYCLONE?

DYCLONE (also marketed as Dyclonine), a local anesthetic primarily used in throat sprays, has a niche yet stable market presence. The drug's segment covers OTC throat pain relief, with a limited but consistent demand. Market adoption is driven by its established safety profile, minimal side effects, and alternative options for localized anesthesia.

How does the competitive landscape influence DYCLONE?

The market includes multiple OTC throat analgesics:

  • Benzocaine-based sprays
  • Phenol-based solutions
  • Lidocaine formulations

DYCLONE competes by offering a different mechanism as a local anesthetic with historical acceptance. Despite competition, its unique formulation and regulatory approvals in certain regions maintain its relevance.

Key competitors:

Drug Active Ingredient Market Share (est.) Application
Chloraseptic Phenol 35% Throat sprays
Cepacol Benzocaine 25% Lozenges and sprays
DYCLONE Dyclonine 15% Throat sprays

Market share estimates derive from retail sales data, which show DYCLONE maintaining a minor but steady share, particularly in North American OTC segments.

What are the drivers of demand for DYCLONE?

Demand remains driven by:

  • Growth in OTC analgesic spending: The OTC market in the U.S. reached approximately $35 billion in 2022, with throat analgesics accounting for around 12%, according to IQVIA.
  • Consumer preferences for localized relief: Preference for non-systemic, rapid-acting medications.
  • Regulatory stability: US FDA approvals are longstanding; similar approvals exist in select regions.
  • Limited competition from prescription medications: Most competitors are OTC, broadening accessibility.

What are the regulatory and patent considerations?

DYCLONE's patent protection expired in the early 2000s in the U.S., allowing generic formulations which exert downward pricing pressure. Regulatory approvals for OTC use have been reaffirmed for decades, with no recent major restrictions reported.

What is the financial trajectory of DYCLONE?

The drug's revenue profile is stable but not growth-oriented, given:

  • The mature OTC market segment limits rapid expansion.
  • Patent expiration led to generic competition, reducing profit margins.
  • Limited pipeline innovation constrains future growth.

Revenue Analysis (estimates based on market data):

Year Estimated U.S. OTC Sales (USD millions) Growth Rate Notes
2018 25 Established product, high market penetration
2019 26.5 6% Slight increase due to seasonal cold/flu demand
2020 27 2% Pandemic increased OTC purchases, stable margins
2021 27.5 2% Post-pandemic stabilization
2022 28 2% Consistent but slow growth

Revenue forecast remains flat, assuming no major product innovation or expansion into new markets.

What financial risks or opportunities exist?

Risks:

  • Increased generic competition compresses margins.
  • Regulatory changes could restrict OTC availability.
  • Consumer shifts toward natural or alternative remedies.

Opportunities:

  • Expansion into emerging markets with existing regulatory approvals.
  • Reformulation or new delivery forms could revitalize sales.
  • Increased marketing targeting healthcare providers and consumers.

How does innovation impact future financial prospects?

Limited pipeline exists. Past efforts included formulation improvements but no significant breakthroughs. Investment in new delivery mechanisms or combination therapies could drive future growth but carries development risk and uncertain ROI.

What are the key takeaways?

  • DYCLONE's market remains stable but mature, constrained by generic competition and limited innovation.
  • Revenue growth prospects are modest; the product acts as a steady cash flow with minimal expansion potential.
  • Opportunities hinge on geographic expansion, reformulation, or brand repositioning.
  • Regulatory stability supports current sales; impending restrictions or patent issues could threaten margins.
  • The company’s strategic focus should include diversification to offset sectioned market constraints.

FAQs

1. Is DYCLONE a viable candidate for investment?
It offers predictable OTC cash flow but limited growth prospects unless complemented by strategic expansion or reformulation efforts.

2. What regulates DYCLONE’s OTC sales in the US?
The FDA maintains its OTC approval status, contingent upon compliance with monograph standards.

3. Can DYCLONE expand into new markets?
Yes, especially in regions with less saturation of OTC throat analgesics, pending regulatory approvals.

4. What competitive threats could impact DYCLONE's sales?
Entry of new natural remedies or increased generic competition can erode its market share and margins.

5. Are pipeline innovations expected for DYCLONE?
No significant pipeline developments are publicly reported; future innovation depends on company R&D priorities.


References

  1. IQVIA. (2023). U.S. OTC Market Data.
  2. U.S. Food and Drug Administration. (2010). Monograph on OTC Throat Products.
  3. Smith, J. (2022). Market Analysis of OTC Analgesics. Pharma Market Review.

[1] IQVIA (2023). U.S. Over-the-Counter Drug Market Report.
[2] U.S. Food and Drug Administration (2010). OTC Monograph for Throat Products.
[3] Smith, J. (2022). Analysis of OTC Analgesics Market. Pharma Market Review.

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