Last Updated: August 8, 2026

VASOCON-A Drug Patent Profile


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Which patents cover Vasocon-a, and when can generic versions of Vasocon-a launch?

Vasocon-a is a drug marketed by Novartis and is included in one NDA.

The generic ingredient in VASOCON-A is antazoline phosphate; naphazoline hydrochloride. Additional details are available on the antazoline phosphate; naphazoline hydrochloride profile page.

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Summary for VASOCON-A
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 55
DailyMed Link:VASOCON-A at DailyMed

US Patents and Regulatory Information for VASOCON-A

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Novartis VASOCON-A antazoline phosphate; naphazoline hydrochloride SOLUTION/DROPS;OPHTHALMIC 018746-002 Jul 11, 1994 DISCN No 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
Last updated: July 27, 2026

VASOCON-A market dynamics and financial trajectory: sales drivers, competitive pressure, exclusivity risk, and revenue outlook

What is VASOCON-A and where does it generate revenue?

No reliable, citable identifiers were available to anchor VASOCON-A to a specific active ingredient, dosage form, manufacturer, NDA/BLA, or FDA product listing. Without those fundamentals, market sizing, payer dynamics, revenue trajectory, and exclusivity calculations would be non-actionable.

How do pricing and payer contracting shape VASOCON-A’s sales growth?

No citable information was available to connect VASOCON-A to a specific drug record (active ingredient strength, dosage form, manufacturer, NDC/labeler), payer footprint, WAC-to-NET discount range, or segment-level reimbursement terms.

What competitive landscape affects VASOCON-A: generics, biosimilars, and branded substitutes?

No citable record was available to determine:

  • the therapeutic class and clinical positioning
  • the number and entry timing of authorized generics
  • presence of therapeutically equivalent branded competitors
  • whether FDA approvals are driven by 505(b)(2), ANDA, or BLA pathways

When does VASOCON-A lose exclusivity and how does that change the revenue outlook?

No citable exclusivity anchor (NDA approval date, patent expiration dates, pediatric exclusivity, orphan exclusivity, or RLD/LEC status) was available for VASOCON-A. Without an FDA approval and Orange Book record, exclusivity timelines cannot be calculated.

What patents protect VASOCON-A and what is the strength of the patent estate?

No citable patent list, Orange Book linkage, or litigation record was available for VASOCON-A. Patent coverage cannot be mapped to formulations, methods of use, or manufacturing processes, and estate strength cannot be quantified.

Are Paragraph IV challenges likely for VASOCON-A, and what generic entry risks exist?

No citable ANDA filer activity, Orange Book “generic competition” events, or settlement/litigation dockets were available for VASOCON-A. Without that record, Paragraph IV likelihood and launch-risk windows cannot be assessed.

What is the Orange Book status of VASOCON-A and how many listings exist?

No citable Orange Book dataset was available for VASOCON-A, so the number of drug product and patent listings, NCE status, RLD status, and expiration dates cannot be reported.

What FDA regulatory milestones govern VASOCON-A’s commercial trajectory?

No citable FDA dossier (NDA number, approval history, label expansions, REMS requirements, PMA/supplement types) was available to map regulatory timing to market impact.

How does VASOCON-A’s formulation and delivery system affect utilization and switching?

No citable formulation characteristics (release profile, route, combination components, dosing frequency, stability, device dependency) were available. Without a defined product, switching and utilization patterns cannot be linked to formulation attributes.

What manufacturing and supply constraints influence VASOCON-A availability and profitability?

No citable manufacturing site history, FDA inspection outcomes, supply disruptions, or sourcing economics were available to support a financial trajectory analysis.

What patent litigation or settlements affect VASOCON-A’s launch timing and cash flows?

No citable litigation or settlement agreements were available tied to VASOCON-A.

How does VASOCON-A compare with other drugs in the same class on market and valuation drivers?

No citable drug identity was available, preventing like-for-like comparison across the class (pricing trajectory, penetration, persistence, TAM, competitive durability, and exit risk).

What revenue exposure does VASOCON-A have under exclusivity and generic entry scenarios?

No citable product identity was available to construct scenarios (base, downside, and “early generic” cases) using:

  • patent expiration and exclusivity end dates
  • estimated ANDA filing timing
  • typical post-launch erosion curves for the therapeutic category
  • expected contracting response and formulary tier migration

Key Takeaways

  • Market dynamics and financial trajectory for VASOCON-A cannot be produced from verifiable inputs because VASOCON-A’s specific FDA-registered product identity and legal/regulatory record were not available in the provided context.
  • No citable sources were available to support exclusivity timelines, Orange Book status, patent coverage, Paragraph IV risk, litigation outcomes, or revenue/price performance.

FAQs

  1. What NDA number and active ingredient corresponds to VASOCON-A in FDA records?
  2. What is the drug’s Orange Book status, including RLD/LEC designation and patent listing count?
  3. What are the earliest patent and exclusivity expiration dates for VASOCON-A?
  4. Has VASOCON-A faced Paragraph IV challenges, and what settlements were reported?
  5. Which companies manufacture VASOCON-A and who are the generic competitors by filing history?

References

No sources were cited because no verifiable FDA/Orange Book/patent/litigation or commercial data for VASOCON-A was available in the provided information.

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