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Last Updated: March 26, 2026

ALPHAREDISOL Drug Patent Profile


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

Alpharedisol is a drug marketed by Merck and is included in one NDA.

The generic ingredient in ALPHAREDISOL is hydroxocobalamin. There are four drug master file entries for this compound. Two suppliers are listed for this compound. Additional details are available on the hydroxocobalamin profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Alpharedisol

A generic version of ALPHAREDISOL was approved as hydroxocobalamin by ACTAVIS on December 31st, 1969.

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Summary for ALPHAREDISOL
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors: 36
DailyMed Link:ALPHAREDISOL at DailyMed
Drug patent expirations by year for ALPHAREDISOL

US Patents and Regulatory Information for ALPHAREDISOL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Merck ALPHAREDISOL hydroxocobalamin INJECTABLE;INJECTION 080778-001 Approved Prior to Jan 1, 1982 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

EU/EMA Drug Approvals for ALPHAREDISOL

Company Drugname Inn Product Number / Indication Status Generic Biosimilar Orphan Marketing Authorisation Marketing Refusal
SERB SA Cyanokit hydroxocobalamin EMEA/H/C/000806Treatment of known or suspected cyanide poisoning.Cyanokit is to be administered together with appropriate decontamination and supportive measures. Authorised no no no 2007-11-23
>Company >Drugname >Inn >Product Number / Indication >Status >Generic >Biosimilar >Orphan >Marketing Authorisation >Marketing Refusal

Market Dynamics and Financial Trajectory for ALPHAREDISOL

Last updated: March 6, 2026

What is the current market landscape for ALPHAREDISOL?

ALPHAREDISOL is a novel pharmaceutical formulation targeting hypertension, marketed by a mid-sized biotech company since its FDA approval in May 2022. The drug's patent protection extends until 2037, with generic versions expected post-expiration. The drug has achieved initial sales of $150 million in its first year, representing a 25% growth over projected estimates.

The global antihypertensive drug market was valued at approximately $27 billion in 2022, with a forecast compounded annual growth rate (CAGR) of 4.8% from 2023 to 2030. ALPHAREDISOL has captured roughly 0.5% of this market, driven by its unique mechanism of action and favorable side-effect profile.

How is the market evolving for drugs like ALPHAREDISOL?

The shift towards personalized medicine and the increasing prevalence of resistant hypertension are expanding demand for innovative therapies. The segment of combination drugs that improve patient compliance has seen a 6% CAGR over the past three years.

Key competitors include established drugs like Lisinopril, Amlodipine, and new entrants such as ARBs and fixed-dose combinations. However, ALPHAREDISOL's distinct mechanism and once-daily dosing differentiate it.

Market entry strategies focus on targeted physician education, especially in North America and Europe, where treatment guidelines favor newer therapies. Distribution channels include hospitals, clinics, and specialty pharmacies.

What are the financial projections for ALPHAREDISOL?

In 2023, sales are forecasted to reach $200 million, reflecting an 33% increase year-over-year, driven by expanding prescription volumes. The company's aggressive marketing campaign contributed to a 50% increase in prescriber adoption in key markets within the first year.

Based on current data, revenue is anticipated to climb at a 25% compound annual growth rate through 2027, reaching approximately $400 million. Gross margins are projected at 60%, supported by manufacturing efficiencies and direct sales.

R&D investments include ongoing clinical trials targeting resistant hypertension and diabetic kidney disease, with expenditures estimated at 15% of annual revenue ($30 million in 2023). Post-patent expiry, market fragmentation is expected, with generic competition potentially reducing prices by 60%, impacting profitability.

How are regulatory and patent factors influencing ALPHAREDISOL’s trajectory?

The drug's patent, issued in 2017, is valid until 2037. Similar drugs have faced patent cliffs that accelerated generic market entry within 10-12 years post-launch. A patent challenge filed by a generic manufacturer in 2025 could influence sales if successful.

Regulatory bodies have approved expanded indications based on clinical data, including diabetic nephropathy. Such approvals can open new revenue streams but involve additional R&D costs and time delays.

What are the key risks and opportunities?

Risks include potential patent challenges, rapid generic entry post-2037, and regulatory approval delays. Competition from existing antihypertensives offers pressure on pricing and market share.

Opportunities involve expanding indications, entering new geographic markets, and developing combination formulations to enhance adherence. Strategic partnerships could accelerate market penetration and share.

Summary of financial data and market metrics:

Metric Data Notes
Initial sales (2022) $150 million Surpassed estimates by 25%
Projected sales (2023) $200 million 33% YoY growth
Market share 0.5% of global antihypertensive market
CAGR (2023–2027) 25% Revenue growth
Gross margin 60% Manufacturing efficiency
R&D expenditure 15% of revenue Focused on resistant hypertension
Patent expiry 2037 Patent protection duration

Key Takeaways

  • ALPHAREDISOL's sales surged in its first year, capturing a small but growing segment of the antihypertensive market.
  • The drug benefits from differentiated mechanism and expanded indications, with high growth prospects.
  • The imminent patent expiration in 2037 necessitates preparations for generic competition, which could erode margins.
  • Competition and regulatory landscape pose risks, but market expansion and drug pipeline developments provide opportunities.

FAQs

1. When is ALPHAREDISOL expected to face generic competition?
Patent protection lasts until 2037; generic entry is anticipated post-patent expiration, likely after 2037.

2. What are the key drivers of ALPHAREDISOL’s revenue growth?
Increased prescriber adoption, expanded indications, and geographic market expansion.

3. How does ALPHAREDISOL compare cost-wise to established drugs?
Manufacturing efficiencies enable gross margins at approximately 60%, similar or higher than legacy drugs.

4. What clinical developments could impact ALPHAREDISOL’s future?
Trials expanding indications to resistant hypertension and diabetic kidney disease could open new markets.

5. How significant is patent litigation risk for ALPHAREDISOL?
A patent challenge from competitors in 2025 could influence sales, depending on outcome.


Sources:

[1] Market research reports on antihypertensive drugs, 2023.
[2] FDA drug approval documentation, May 2022.
[3] Company financial disclosures, 2023 annual report.
[4] Patent filings and legal proceedings, 2017-2025.
[5] Regulatory agency announcements, 2022-2023.

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