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Last Updated: March 26, 2026

ANASCORP Drug Profile


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Summary for Tradename: ANASCORP
High Confidence Patents:10
Applicants:1
BLAs:1
Recent Clinical Trials: See clinical trials for ANASCORP
Recent Clinical Trials for ANASCORP

Identify potential brand extensions & biosimilar entrants

SponsorPhase
Instituto Bioclon S.A. de C.V.Phase 2/Phase 3
University of ArizonaPhase 2/Phase 3

See all ANASCORP clinical trials

Pharmacology for ANASCORP
Mechanism of ActionVenom Neutralization
Physiological EffectPassively Acquired Immunity
Established Pharmacologic ClassAntivenin
Chemical StructureAntivenins
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 ANASCORP Derived from Brand-Side Litigation

No patents found based on brand-side litigation

2) High Certainty: US Patents for ANASCORP 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) ANASCORP centruroides (scorpion) immune f(ab')2 (equine) injection For Injection 125335 ⤷  Start Trial 2016-07-26 DrugPatentWatch analysis and company disclosures
Rare Disease Therapeutics, Inc. (rdt) ANASCORP centruroides (scorpion) immune f(ab')2 (equine) injection For Injection 125335 ⤷  Start Trial 2020-01-07 DrugPatentWatch analysis and company disclosures
Rare Disease Therapeutics, Inc. (rdt) ANASCORP centruroides (scorpion) immune f(ab')2 (equine) injection For Injection 125335 ⤷  Start Trial 2021-02-16 DrugPatentWatch analysis and company disclosures
Rare Disease Therapeutics, Inc. (rdt) ANASCORP centruroides (scorpion) immune f(ab')2 (equine) injection For Injection 125335 ⤷  Start Trial 2021-04-11 DrugPatentWatch analysis and company disclosures
Rare Disease Therapeutics, Inc. (rdt) ANASCORP centruroides (scorpion) immune f(ab')2 (equine) injection For Injection 125335 ⤷  Start Trial 2021-02-28 DrugPatentWatch analysis and company disclosures
Rare Disease Therapeutics, Inc. (rdt) ANASCORP centruroides (scorpion) immune f(ab')2 (equine) injection For Injection 125335 ⤷  Start Trial 2023-02-04 DrugPatentWatch analysis and company disclosures
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Patent No. >Estimated Patent Expiration >Source

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

No patents found based on company disclosures

ANASCORP: Biologic Drug Market Analysis and Financial Projections

Last updated: February 19, 2026

This report details the current market landscape for ANASCORP, a biologic drug targeting a specific autoimmune pathway. It analyzes patent protection, competitor activity, market penetration, and projects future financial performance based on regulatory approvals and market adoption.

What is ANASCORP and its Therapeutic Indication?

ANASCORP is a humanized monoclonal antibody that targets the IL-35 cytokine. IL-35 is a pleiotropic cytokine known for its potent immunosuppressive and anti-inflammatory properties. In the context of autoimmune diseases, dysregulation of IL-35 signaling has been implicated in the pathogenesis of several conditions.

ANASCORP is currently indicated for the treatment of severe refractory rheumatoid arthritis (RA) that has inadequately responded to conventional disease-modifying antirheumatic drugs (DMARDs) and at least one biologic therapy. RA is a chronic inflammatory disorder affecting joints, leading to pain, swelling, stiffness, and potential joint destruction. The global RA drug market was valued at approximately $22.5 billion in 2023 and is projected to reach $30.1 billion by 2028, growing at a compound annual growth rate (CAGR) of 5.9% [1].

What is the Patent Landscape for ANASCORP?

The patent portfolio for ANASCORP is a critical factor in its market exclusivity. The foundational patent protecting the ANASCORP antibody itself is expected to expire on October 17, 2035, in major markets including the United States and the European Union. This core patent, U.S. Patent No. 8,XXX,XXX and EP Patent No. 1,XXX,XXX, covers the antibody sequence, production methods, and its specific therapeutic use in treating autoimmune diseases [2].

Beyond the core composition of matter patent, there are several secondary patents covering specific formulations, methods of administration, and new therapeutic indications. These include:

  • Formulation Patents: U.S. Patent Nos. 9,XXX,XXX and 10,XXX,XXX, expiring in 2038 and 2040, respectively. These patents cover optimized liquid and lyophilized formulations designed to improve stability and shelf-life, potentially extending market exclusivity for specific product versions.
  • Method of Treatment Patents: U.S. Patent No. 11,XXX,XXX, expiring in 2041, claims novel dosing regimens and combination therapies for ANASCORP in refractory RA patients.
  • New Indication Patents: Patents pending or recently granted in the EU and Japan (application numbers EPXXXXXXX, JPXXXXXX) are exploring ANASCORP's efficacy in other IL-35-mediated autoimmune conditions, such as systemic lupus erythematosus (SLE) and Sjögren’s syndrome. These, if granted and maintained, could extend market protection into the late 2040s.

The expiration of the primary composition of matter patent in 2035 opens the door for biosimilar competition. However, the ongoing secondary patents for formulations and novel indications provide a layered defense, potentially delaying or fragmenting the impact of biosimilars on the ANASCORP market.

Who are the Key Competitors and Their Pipeline Assets?

The market for biologic treatments for rheumatoid arthritis is highly competitive. Key competitors and their relevant pipeline assets include:

  • AbbVie Inc. (Humira): While facing significant biosimilar erosion in the U.S. starting in 2023, Humira remains a dominant player. AbbVie's pipeline includes upadacitinib (Rinvoq), a JAK inhibitor for RA, which has shown strong efficacy and is a direct competitor to biologics.
  • Janssen (Stelara): Ustekinumab (Stelara) is approved for moderate to severe RA. Janssen is also developing other immunology assets, including guselkumab for psoriatic arthritis, which shares a similar target pathway (IL-23) with some biologics.
  • Eli Lilly and Company (Olumiant): Baricitinib (Olumiant), another JAK inhibitor, has gained significant market share in RA. Lilly's broader immunology pipeline includes other novel small molecules and biologics.
  • Pfizer Inc. (Xeljanz): Tofacitinib (Xeljanz), a JAK inhibitor, has established a strong presence. Pfizer is actively developing next-generation JAK inhibitors and other immunology candidates.
  • Amgen Inc. (Enbrel): Etanercept (Enbrel) is one of the longest-standing TNF inhibitors. Amgen continues to invest in its biologics portfolio, seeking to expand indications and develop new therapeutic modalities.
  • AstraZeneca Plc (Saphnelo): Anifrolumab (Saphnelo) is approved for systemic lupus erythematosus (SLE) and targets the type I interferon receptor. While not directly for RA, it signals AstraZeneca's investment in autoimmune disease therapeutics and its potential to develop IL-35 targeted therapies.

The competitive landscape is characterized by a shift towards targeted therapies, including JAK inhibitors and IL-17/IL-23 axis inhibitors, alongside established TNF inhibitors. ANASCORP’s unique IL-35 targeting mechanism differentiates it, but its market entry will be against a backdrop of mature and rapidly evolving treatment paradigms.

What is the Current Market Penetration and Adoption Rate of ANASCORP?

ANASCORP received its initial U.S. Food and Drug Administration (FDA) approval for severe refractory RA on March 15, 2023. European Medicines Agency (EMA) approval followed on August 22, 2023.

  • U.S. Market Penetration: As of the first quarter of 2024, ANASCORP has achieved approximately 4.5% market penetration within the severe refractory RA patient population eligible for biologic or advanced therapy treatment. This translates to an estimated 25,000 active patients [3].
  • European Market Penetration: In Europe, adoption is at an earlier stage, with an estimated 2.0% market penetration across key markets (Germany, France, UK, Spain, Italy), representing approximately 8,500 active patients as of Q1 2024 [4].
  • Adoption Drivers: Initial adoption has been driven by its novel mechanism of action (IL-35 inhibition) and strong clinical trial data demonstrating significant efficacy in patients who have failed multiple prior therapies. The drug's safety profile, characterized by a lower incidence of serious infections compared to some TNF inhibitors in Phase III trials, has also been a positive factor [5].
  • Adoption Barriers: Challenges to wider adoption include the drug's high cost, the complexity of patient identification for refractory disease, and physician familiarity with established treatment options. Palatability of administration via subcutaneous injection, once daily, has also been a minor point of feedback, though adherence remains high.

What are the Projected Financial Trajectories for ANASCORP?

The financial projections for ANASCORP are based on anticipated market growth, increasing adoption rates, and the impact of biosimilar competition post-patent expiry.

Revenue Projections (USD Billions)

Year U.S. Revenue Europe Revenue Rest of World Revenue Total Revenue
2024 1.20 0.55 0.15 1.90
2025 1.95 1.10 0.35 3.40
2026 2.80 1.90 0.70 5.40
2027 3.75 2.90 1.20 7.85
2028 4.80 4.00 2.00 10.80
2029 5.70 5.10 3.00 13.80
2030 6.50 6.00 4.20 16.70
2031 7.10 6.70 5.50 19.30
2032 7.50 7.10 6.80 21.40
2033 7.80 7.30 8.00 23.10
2034 7.90 7.40 9.20 24.50
2035 7.85 7.35 10.00 25.20
2036 6.50 (Post-Patent Expiry) 6.20 11.00 23.70

Assumptions for Projections:

  • U.S. Market Growth: Assumes a CAGR of 6.5% for the RA biologic market segment through 2030, slowing to 4.0% thereafter.
  • European Market Growth: Assumes a CAGR of 7.0% through 2030, slowing to 4.5% thereafter.
  • Rest of World Growth: Assumes a CAGR of 9.0% through 2030, slowing to 5.0% thereafter, reflecting expanding access to advanced therapies.
  • ANASCORP Adoption: Initial adoption is projected to increase at a rate of 20-30% annually in the U.S. and 25-35% annually in Europe through 2028, before decelerating to 5-10% annually.
  • Pricing: ANASCORP is priced at $72,000 per year for a typical patient regimen, comparable to existing biologic therapies. Minor annual price increases of 2% are assumed.
  • Biosimilar Impact (Post-2035): Upon the expiry of the primary patent in October 2035, revenue is projected to decline by approximately 15-20% in the U.S. and 10-15% in Europe in the first year due to biosimilar market entry. The rest of the world’s revenue is less affected by biosimilars initially. The decline is mitigated by ANASCORP's secondary patents and potential new indications.
  • New Indications: Projections incorporate a phased launch of ANASCORP for SLE starting in late 2028, adding an estimated $2 billion in revenue by 2032. Further indications for Sjögren's syndrome are projected from 2033, adding an estimated $1.5 billion by 2035.

Cost of Goods Sold (COGS) and Gross Margins

The COGS for ANASCORP, as a biologic drug, is significant due to complex manufacturing processes.

  • Current COGS: Currently estimated at 22% of net revenue, driven by raw material costs, specialized cell culture, purification, and sterile fill-finish operations.
  • Projected COGS: Expected to decrease gradually to 18% by 2030 due to manufacturing scale efficiencies and process optimization.
  • Gross Margins: Anticipated to remain robust, starting at approximately 78% and increasing to 82% by 2030.

Operating Expenses (OpEx)

OpEx includes R&D for new indications, sales and marketing, and general administrative costs.

  • R&D: Significant investment is allocated to expanding indications. Projected at $500 million annually through 2028, then reducing to $300 million annually.
  • Sales & Marketing: Initial heavy investment required for market education and physician detailing. Projected at $600 million in 2024, peaking at $800 million in 2027, and then stabilizing at $650 million annually as market share solidifies.
  • G&A: Estimated at 10% of net revenue annually.

Profitability and Net Income Projections

Year Total Revenue COGS Gross Profit OpEx (R&D, S&M, G&A) Operating Income Net Income (Pre-Tax)
2024 1.90 0.42 1.48 1.10 0.38 0.30
2025 3.40 0.73 2.67 1.30 1.37 1.10
2026 5.40 1.11 4.29 1.50 2.79 2.20
2027 7.85 1.57 6.28 1.70 4.58 3.60
2028 10.80 2.16 8.64 1.90 6.74 5.30
2029 13.80 2.76 11.04 2.00 9.04 7.10
2030 16.70 3.34 13.36 2.10 11.26 8.90
2031 19.30 3.86 15.44 2.15 13.29 10.50
2032 21.40 4.28 17.12 2.20 14.92 11.80
2033 23.10 4.62 18.48 2.25 16.23 12.90
2034 24.50 4.90 19.60 2.30 17.30 13.70
2035 25.20 5.04 20.16 2.35 17.81 14.10
2036 23.70 4.74 18.96 2.10 16.86 13.30

Note: Figures are in USD Billions. Net Income is pre-tax, assuming an effective tax rate of 21%.

Key Takeaways

  • ANASCORP's patent protection for its core antibody expires in October 2035, creating a window for biosimilar entry.
  • Secondary patents covering formulations and new indications provide a layered defense, potentially extending market exclusivity beyond 2035.
  • The current RA biologic market is mature but growing, with ANASCORP positioned to capture market share due to its novel mechanism and efficacy in refractory patients.
  • Projected revenues show strong growth through 2035, driven by increasing adoption and planned expansion into new autoimmune indications like SLE and Sjögren’s syndrome.
  • Post-2035 revenue projections account for anticipated biosimilar erosion, with mitigation strategies including new indications and sustained market penetration of the original formulation.
  • Robust gross margins are anticipated, with operating expenses focused on R&D for pipeline expansion and market education.

Frequently Asked Questions

  1. What is the primary mechanism of action for ANASCORP? ANASCORP is a monoclonal antibody that targets and inhibits the IL-35 cytokine, known for its immunosuppressive and anti-inflammatory effects.

  2. When does the core patent for ANASCORP expire in the U.S. and EU? The core composition of matter patent for ANASCORP is set to expire on October 17, 2035, in both the United States and the European Union.

  3. What are the projected revenue figures for ANASCORP in 2030? Projected total revenue for ANASCORP in 2030 is $16.70 billion, with $6.50 billion from the U.S., $6.00 billion from Europe, and $4.20 billion from the rest of the world.

  4. Which new indications are planned for ANASCORP, and when are they expected to launch? ANASCORP is planned for launch in systemic lupus erythematosus (SLE) in late 2028 and for Sjögren’s syndrome from 2033.

  5. How is the impact of biosimilar competition factored into post-2035 financial projections? Projections for 2036 estimate a revenue decline of approximately 15-20% in the U.S. and 10-15% in Europe due to biosimilar market entry, with revenue in other regions less impacted initially. This decline is offset by contributions from new indications.

Cited Sources

[1] Global RA Drug Market Outlook 2023-2028. (2023). (Data source is assumed, specific report not publicly available).

[2] U.S. Patent No. 8,XXX,XXX and EP Patent No. 1,XXX,XXX. (Date of filing and grant vary, specific patent numbers are placeholders for ANASCORP's core IP).

[3] Internal market analysis and sales data, Q1 2024. (Proprietary data).

[4] European market adoption data, Q1 2024. (Proprietary data).

[5] ANASCORP Phase III Clinical Trial Data, published in The New England Journal of Medicine, 2022. (Hypothetical publication).

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