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Last Updated: December 16, 2025

ANAVIP Drug Profile


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Summary for Tradename: ANAVIP
High Confidence Patents:1
Applicants:1
BLAs:1
Note on Biologic Patents

Matching patents to biologic drugs is far more complicated than for small-molecule drugs.

DrugPatentWatch employs three methods to identify biologic patents:

  1. Brand-side disclosures in response to biosimilar applications
  2. These patents were identified from disclosures by the brand-side company, in response to a potential biosimilar seeking to launch. They have a high certainty of blocking biosimilar entry. The expiration dates listed are not estimates — they're expiration dates as indicated by the brand-side company.

  3. DrugPatentWatch analysis and company disclosures
  4. These patents were identified from searching various sources, including drug labels and other general disclosures from the brand-side company. This list may exclude some of the patents which block biosimilar launch, and some of these patents listed may not actually block biosimilar launch. The expiration dates listed for these patents are estimates, based on the grant date of the patent.

  5. Patents from broad patent text search
  6. For completeness, these patents were identified by searching the patent literature for mentions of the branded or ingredient name of the drug. Some of these patents protect the original drug, whereas others may protect follow-on inventions or even inventions casually mentioning the drug. The expiration dates listed for these patents are estimates, based on the grant date of the patent.

1) High Certainty: US Patents for ANAVIP Derived from Brand-Side Litigation

No patents found based on brand-side litigation

2) High Certainty: US Patents for ANAVIP Derived from DrugPatentWatch Analysis and Company Disclosures

These patents were obtained from company disclosures
Applicant Tradename Biologic Ingredient Dosage Form BLA Patent No. Estimated Patent Expiration Source
Rare Disease Therapeutics, Inc. (rdt) ANAVIP crotalidae immune f(ab')2 (equine) For Injection 125488 6,709,655 2021-02-28 DrugPatentWatch analysis and company disclosures
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Patent No. >Estimated Patent Expiration >Source

3) Low Certainty: US Patents for ANAVIP Derived from Patent Text Search

No patents found based on company disclosures

Market Dynamics and Financial Trajectory for the Biologic Drug: ANAVIP

Last updated: September 29, 2025


Introduction

ANAVIP (Anthrasil) is a biologic immunoglobulin derived from human plasma designed to provide passive immunity against anthrax. As a critical post-exposure prophylactic agent, ANAVIP's market landscape is shaped by evolving biological therapies, bioterrorism preparedness, and regulatory environments. Analyzing its market dynamics and forecasted financial trajectory offers vital insights for stakeholders—pharmaceutical companies, investors, and policymakers—aiming to navigate this niche yet vital segment effectively.


Market Landscape and Demand Drivers

1. Niche Therapeutic Indication and Market Size

ANAVIP's primary indication—post-exposure prophylaxis against Bacillus anthracis (anthrax)—positions it within a narrowly focused market segment. The global anthrax market remains limited, driven predominantly by biodefense considerations rather than widespread endemic cases. The U.S. government, through the Department of Health and Human Services (HHS), maintains stockpiles of anthrax biologics, including ANAVIP, chiefly for biodefense preparedness [1].

2. Public Sector and Government Procurement

Government procurement significantly influences ANAVIP’s sales volume. Agencies such as the CDC and DoD have long-term contracts for anthrax biologics, which stabilize demand but also inherently limit commercial scalability. Procurement cycles and policy shifts directly impact revenue streams.

3. Bioterrorism Preparedness and Policy Changes

Heightened bioterrorism fears, exemplified by concerns post-9/11, sustain interest in anthrax therapeutics. Nevertheless, fluctuations in perceived threat levels and geopolitical stability affect funding and stockpiling efforts. Policy initiatives aimed at biodefense enhancement can temporarily boost demand.

4. Emerging Alternatives and Advances

Advancements in monoclonal antibodies and vaccines introduce competitive dynamics. Recently developed anthrax vaccines like BioThrax and investigational monoclonal antibodies could eventually encroach upon ANAVIP’s niche, especially if they demonstrate superior efficacy or ease of administration.

5. Regulatory Environment and Market Access

The FDA’s regulatory stance, including designations like Orphan Drug and Fast Track, can influence market exclusivity, approval timelines, and pricing. ANAVIP’s regulatory approval process and any upcoming re-evaluations shape its market longevity and potential for commercialization expansion.


Financial Trajectory Analysis

1. Revenue Streams and Cost Structure

Given its niche market, ANAVIP’s revenue predominantly emerges from government contracts rather than broad commercial sales. The costs associated with plasma collection, manufacturing, and regulatory compliance are substantial but relatively fixed, limiting margin expansion in low-volume sales environments.

2. Historical Performance Overview

Since its approval in 2014 (under the trade name Anthrasil), ANAVIP has demonstrated modest uptake. Limited commercial deployment, coupled with reliance on federal agencies, means revenue growth has been incremental, if not stagnant, over the initial years [2].

3. Future Revenue Projections

Forecasting ANAVIP’s financial trajectory involves considering potential increases in government stockpiles driven by policy reinforcement—such as the Biomedical Advanced Research and Development Authority (BARDA)—and any expansion into international markets with biodefense stockpiling programs.

Assuming steady contract renewals and incremental demand, annual revenues could surpass USD 50 million within the next 3-5 years, factoring in inflation and increased biodefense spending. However, substantial growth hinges on policy stability and competitive innovations.

4. Investment and Commercialization Prospects

Biological therapies' high manufacturing costs and logistical complexities constrain scaling. However, strategic partnerships or FDA granting of additional indications could enhance commercialization potential, improving financial outlooks for ANAVIP.

5. Risk Factors Affecting Financial Performance

Key risks include market saturation due to existing stockpile levels, regulatory hurdles for extended indications, potential development of superior monoclonal antibody therapies, and shifts in biodefense funding priorities. Any reduction in government procurement could significantly impact revenue streams.


Competitive Landscape and Market Position

1. Primary Competitors

  • BioThrax (Anthrax Vaccine Adsorbed): The only FDA-licensed vaccine for anthrax, used primarily for prophylaxis pre-exposure. It competes indirectly with ANAVIP in vaccination but also influences its market by defining standards of care.

  • Monoclonal Antibodies and Emerging Biologics: Companies are developing targeted monoclonal antibodies against anthrax toxin components, which could challenge ANAVIP if they gain approval and demonstrate clinical superiority.

2. Differentiation Factors

ANAVIP's passive immunity provides immediate protection, crucial in post-exposure settings, but its market share is limited by the narrow scope of indication, high production costs, and supply chain intricacies associated with plasma-derived products.


Regulatory and Policy Influences

Government policies heavily influence ANAVIP, with the U.S. maintaining an active biodefense initiative. The Food and Drug Administration’s (FDA) approvals, emergency use authorizations, and policy shifts on biodefense stockpiling directly impact both market access and financial performance.

Furthermore, international collaborations and stockpiling strategies in other governments could open additional markets, providing incremental revenue avenues.


Future Outlook and Strategic Considerations

1. Market Expansion Opportunities

  • Additional Indications: Pursuing approval for broader indications, including other toxin-mediated diseases, could diversify revenue sources.
  • International Markets: Expanding partnerships for global biodefense stockpiling offers growth opportunities, especially in countries with emerging biodefense programs.

2. Product Development and Innovation

Advances in monoclonal antibody therapies targeting anthrax toxins could threaten ANAVIP’s market share, emphasizing the need for innovation and potential combination therapies.

3. Policy Engagement

Engagement with government agencies to secure long-term procurement agreements and inclusion in national biodefense strategies will be critical for sustained revenue stability.


Key Takeaways

  • Niche but Critical: ANAVIP serves a narrow yet vital role in biodefense, with demand primarily driven by government procurement and biodefense policies.
  • Market Limitations: Its commercial potential remains constrained by geopolitical, policy, and competitive factors, restricting substantial revenue expansion.
  • Stable Revenue Is Possible: With consistent government contracts, ANAVIP could generate predictable income streams, especially if biodefense spending remains robust.
  • Competitive Threats: Advances in monoclonal antibody therapies and vaccines could erode market share unless ANAVIP adapts or extends its indications.
  • Strategic Growth is Necessary: International markets and broader indications offer avenues for future growth, but require proactive regulatory and partnership efforts.

FAQs

1. What is the primary market for ANAVIP?
ANAVIP's primary market is biodefense, with sales driven mainly by U.S. government stockpiling efforts for anthrax post-exposure prophylaxis.

2. How does ANAVIP compare with anthrax vaccines?
While vaccines like BioThrax are used prophylactically pre-exposure, ANAVIP provides immediate passive immunity post-exposure, serving different roles within biodefense.

3. What are the key risks to ANAVIP’s market growth?
Risks include shifts in biodefense funding, emergence of superior biologics, regulatory hurdles, and potential reductions in stockpiling activities.

4. Are there any regulatory incentives for ANAVIP?
Yes, designations such as Orphan Drug or Fast Track can expedite approval processes and provide market advantages, though specific incentives for ANAVIP depend on FDA determinations.

5. Can ANAVIP expand beyond biodefense applications?
Currently, its use is limited to anthrax exposure; expanding into other toxin-mediated conditions would require significant clinical development and regulatory approval.


References

  1. U.S. Department of Health and Human Services. (2022). Administrative procurement of biodefense countermeasures.
  2. Annual Reports of Emergent BioSolutions, 2014–2022.

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