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Last Updated: January 5, 2025

KRYSTEXXA Drug Profile


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Summary for Tradename: KRYSTEXXA
High Confidence Patents:0
Applicants:1
BLAs:1
Recent Clinical Trials: See clinical trials for KRYSTEXXA
Recent Clinical Trials for KRYSTEXXA

Identify potential brand extensions & biosimilar entrants

SponsorPhase
M.D. Anderson Cancer CenterPhase 4
AmgenPhase 4
University of Colorado Denver School of Medicine Barbara Davis CenterPhase 2

See all KRYSTEXXA clinical trials

Pharmacology for KRYSTEXXA
Established Pharmacologic ClassUric Acid-specific Enzyme
Chemical StructureUrate Oxidase
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. General brand-side disclosures
  4. These patents were identified from searching 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 KRYSTEXXA Derived from Brand-Side Litigation

No patents found based on brand-side litigation

2) High Certainty: US Patents for KRYSTEXXA Derived from Company Disclosures

No patents found based on company disclosures

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

These patents were obtained by searching patent claims

KRYSTEXXA Market Analysis and Financial Projection

Market Dynamics and Financial Trajectory for the Biologic Drug: KRYSTEXXA

Introduction

KRYSTEXXA, developed by Horizon Therapeutics, is a biologic drug approved by the FDA for the treatment of chronic gout in adult patients who are refractory to conventional therapy. Here, we delve into the market dynamics and financial trajectory of KRYSTEXXA, highlighting its growth, market penetration, and financial performance.

FDA Approval and Market Entry

KRYSTEXXA was approved by the FDA in 2010 as the first and only treatment for adult patients with chronic gout that is refractory to conventional therapy. This approval marked a significant milestone, providing a new treatment option for a patient population with limited alternatives[3].

Market Segments and Patient Uptake

KRYSTEXXA has seen significant uptake in both rheumatology and nephrology market segments. The drug's success is attributed to its use with immunomodulation, which has become a key strategy for Horizon Therapeutics. As of the second quarter of 2023, more than 70% of new patient starts were using KRYSTEXXA with immunomodulation, indicating strong clinical conviction among physicians[1].

Financial Performance

Quarterly and Annual Sales

In the second quarter of 2023, KRYSTEXXA net sales reached a record $244 million, representing a 31% sequential increase from the first quarter of 2023 and a 46% year-over-year increase compared to the second quarter of 2022. This performance has positioned KRYSTEXXA to annualize at nearly a one-billion-dollar run rate[1].

Peak Annual Net Sales Expectations

Horizon Therapeutics has increased its U.S. peak annual net sales expectations for KRYSTEXXA to greater than $1.5 billion, up from the previous estimate of greater than $1 billion. This adjustment reflects the strong momentum observed across both rheumatology and nephrology segments[4].

Commercial Execution and Strategy

The success of KRYSTEXXA can be attributed to robust commercial execution, including demand generation, stakeholder education, and adherence to treatment. Horizon Therapeutics' efforts to educate physicians and key stakeholders have led to significant patient growth from both new and existing prescribers[1].

Competitive Landscape

KRYSTEXXA operates in a niche market with limited competition for the treatment of refractory chronic gout. Its unique positioning and the lack of alternative treatments have contributed to its market dominance. The drug's orphan drug designation and broad portfolio of patents provide additional protection, ensuring market exclusivity until 2026[3].

Clinical and Regulatory Aspects

KRYSTEXXA's approval was supported by pivotal clinical trials that demonstrated its efficacy in treating chronic gout. The drug is also subject to a Risk Evaluation and Mitigation Strategy (REMS) program to ensure its safe use. The ongoing success of KRYSTEXXA is further bolstered by post-approval observational safety studies[3].

Financial Highlights and Guidance

  • Net Sales Growth: KRYSTEXXA's net sales have consistently shown strong growth, with a 46% year-over-year increase in the second quarter of 2023.
  • Adjusted EBITDA: Horizon Therapeutics' overall financial performance, including KRYSTEXXA, has contributed to increased adjusted EBITDA, although specific figures for KRYSTEXXA are not isolated in the company's reports[1][4].
  • Guidance: The company has increased its full-year net sales guidance, partly due to the strong performance of KRYSTEXXA, reflecting a positive outlook for the drug's continued growth[4].

Impact of Acquisitions and Mergers

The acquisition of Horizon Therapeutics by Amgen has introduced new dynamics to KRYSTEXXA's financial trajectory. While the acquisition has led to higher operating and interest expenses for Amgen, it also brings additional resources and market reach that could further enhance KRYSTEXXA's market penetration[2].

Key Takeaways

  • Strong Sales Growth: KRYSTEXXA has demonstrated significant year-over-year and sequential sales growth.
  • Market Dominance: The drug's unique positioning and lack of competition in the refractory chronic gout market have contributed to its market dominance.
  • Commercial Strategy: Robust commercial execution, including demand generation and stakeholder education, has driven patient growth.
  • Financial Performance: KRYSTEXXA's success has contributed to increased net sales and adjusted EBITDA for Horizon Therapeutics.
  • Regulatory Protection: The drug's orphan drug designation and patent portfolio ensure market exclusivity until 2026.

FAQs

What is KRYSTEXXA used for?

KRYSTEXXA is used for the treatment of chronic gout in adult patients who are refractory to conventional therapy.

How has KRYSTEXXA performed financially?

KRYSTEXXA has shown strong financial performance, with a record $244 million in net sales in the second quarter of 2023 and a 46% year-over-year increase.

What is the peak annual net sales expectation for KRYSTEXXA?

Horizon Therapeutics has increased its U.S. peak annual net sales expectations for KRYSTEXXA to greater than $1.5 billion.

What market segments is KRYSTEXXA successful in?

KRYSTEXXA has seen significant uptake in both rheumatology and nephrology market segments.

What is the regulatory status of KRYSTEXXA?

KRYSTEXXA was approved by the FDA in 2010 and holds an orphan drug designation, providing it with seven years of market exclusivity and a broad portfolio of patents until 2026.

Sources

  1. Horizon Therapeutics plc Reports Second-Quarter 2023 Financial Results. Biospace.
  2. AMGEN REPORTS FIRST QUARTER 2024 FINANCIAL RESULTS. PR Newswire.
  3. FDA Approves KRYSTEXXA(TM) (pegloticase) for the Treatment of Chronic Gout in Adult Patients. Fierce Biotech.
  4. Horizon Therapeutics plc Reports Third-Quarter 2022 Financial Results. Business Wire.

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