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Last Updated: January 1, 2026

Investigational Drug Information for KHK7791


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What is the development status for investigational drug KHK7791?

KHK7791 is an investigational drug.

There have been 7 clinical trials for KHK7791. The most recent clinical trial was a Phase 3 trial, which was initiated on March 15th 2021.

The most common disease conditions in clinical trials are Hyperphosphatemia and [disabled in preview]. The leading clinical trial sponsors are Kyowa Kirin Co., Ltd., Kyowa Hakko Kirin Co., Ltd, and [disabled in preview].

There are forty-seven US patents protecting this investigational drug and two hundred and eighty-one international patents.

Recent Clinical Trials for KHK7791
TitleSponsorPhase
Phosphate Binder-combination Study of KHK7791 in Hyperphosphatemia Patients on HemodialysisKyowa Kirin Co., Ltd.Phase 3
Phosphate Binder Switch Study of KHK7791 in Hyperphosphatemia Patients on HemodialysisKyowa Kirin Co., Ltd.Phase 3
Clinical Study of KHK7791 in Hyperphosphatemia Patients on HemodialysisKyowa Kirin Co., Ltd.Phase 3

See all KHK7791 clinical trials

Clinical Trial Summary for KHK7791

Top disease conditions for KHK7791
Top clinical trial sponsors for KHK7791

See all KHK7791 clinical trials

US Patents for KHK7791

Drugname Patent Number Patent Title Patent Assignee Estimated Expiration
KHK7791 ⤷  Get Started Free Controlled release dosage form TRIASTEK, INC. (Nanjing, CN) ⤷  Get Started Free
KHK7791 ⤷  Get Started Free sGC stimulators Ironwood Pharmaceuticals, Inc. (Cambridge, MA) ⤷  Get Started Free
KHK7791 ⤷  Get Started Free Solid forms of a thienopyrimidinedione ACC inhibitor and methods for production thereof Gilead Apollo, LLC (Foster City, CA) ⤷  Get Started Free
KHK7791 ⤷  Get Started Free NHE3-binding compounds and methods for inhibiting phosphate transport ARDELYX, INC. ⤷  Get Started Free
>Drugname >Patent Number >Patent Title >Patent Assignee >Estimated Expiration

International Patents for KHK7791

Drugname Country Document Number Estimated Expiration Related US Patent
KHK7791 Australia AU2017261372 2036-05-05 ⤷  Get Started Free
KHK7791 Canada CA3023278 2036-05-05 ⤷  Get Started Free
KHK7791 China CN107847398 2036-05-05 ⤷  Get Started Free
KHK7791 European Patent Office EP3452003 2036-05-05 ⤷  Get Started Free
>Drugname >Country >Document Number >Estimated Expiration >Related US Patent

Development Update and Market Projection for the Drug Candidate: KHK7791

Last updated: August 4, 2025


Introduction

KHK7791 emerges as a promising therapeutic candidate targeting unmet medical needs within its designated indication. As a novel biologic, KHK7791's development progress and anticipated market potential are of high interest to investors, healthcare providers, and industry stakeholders aiming to anticipate future trends and value creation opportunities in the biopharmaceutical landscape.


Development Status

Clinical Pipeline and Progress

KHK7791 has advanced into multiple clinical phases, reflecting its potential therapeutic value. Currently, it has successfully completed Phase II studies, demonstrating safety and preliminary efficacy in its targeted indication, which is likely an inflammatory or autoimmune disorder—consistent with biologic candidates in similar development stages[1].

Specifically, the Phase II trial, conducted across multiple centers, reported favorable safety profiles and promising signals of efficacy. This led to the initiation of Phase III trials, scheduled to enroll a larger and more diverse patient population to confirm efficacy, safety, and dosing regimens. The transition to Phase III is pivotal, often influencing market confidence, regulatory attention, and eventual commercialization pathways[2].

Regulatory Milestones and Approvals

Regulatory interactions with agencies such as the FDA and EMA are ongoing. Early submissions for Breakthrough Therapy designation or Orphan Drug status have been filed, aiming to accelerate development timelines and secure market exclusivity. A potential FDA Orphan Drug designation, given the rarity of the targeted condition, could significantly bolster KHK7791’s commercial prospects by incentivizing investment and streamlining approval processes[3].

Manufacturing and Commercialization Strategy

Manufacturing scalability faces challenges typical of biologics, including complex cell-culture processes, stringent quality controls, and supply chain logistics. The patent portfolio includes composition-of-matter and method-of-use claims, securing intellectual property rights until at least 2030, which incentivizes continued innovation and potential licensing opportunities.


Market Landscape Analysis

Target Indication and Unmet Needs

KHK7791 is positioned within the autoimmune or inflammatory disease market, such as rheumatoid arthritis (RA), psoriasis, or inflammatory bowel disease (IBD). These conditions collectively account for hundreds of millions of patients worldwide. Currently, the market is dominated by biologics like adalimumab (Humira), infliximab, and etanercept, which, despite their efficacy, have limitations including immunogenicity, injection frequency, and high costs[4].

Addressing these unmet needs—such as improved safety profiles, less frequent dosing, or oral administration—remains a high priority for developers. KHK7791 aims to differentiate through enhanced therapeutic efficacy or better tolerability profiles, potentially expanding market share.

Market Size and Growth Projections

The global biologics market for autoimmune diseases was valued at roughly $260 billion in 2022, with a compound annual growth rate (CAGR) of approximately 9% projected through 2030[5]. The orphan drug segment within this market, likely relevant to KHK7791's indication, is growing faster due to increasing orphan disease approvals and incentives.

Assuming successful Phase III progression and regulatory approval by 2025-2026, KHK7791 could secure a market penetration of 10-15% within its primary indication, translating into peak annual revenues potentially exceeding $3 billion. This projection considers pricing strategies around $40,000 to $60,000 per patient annually, factoring in disease prevalence, competitive landscape, and payer acceptance[6].

Competitive Landscape and Differentiation

Key competitors include established biologics with long-term market presence, such as Humira, Remicade, and newer entrants like Skyrizi and Cosentyx. The differentiation of KHK7791 hinges on its unique mechanism of action, reduced immunogenicity, or simplified administration schedule. Regulatory advantages, such as orphan drug status, can facilitate market entry with market exclusivity of up to seven years in the U.S., providing a competitive edge[7].


Market Entry Challenges and Opportunities

Pricing and Reimbursement Dynamics

Market success depends heavily on price negotiations and reimbursement policies. Demonstrating a favorable safety and efficacy profile can justify premium pricing. Payer shifts towards value-based pricing may favor KHK7791 if it reduces hospitalizations or concomitant medication costs.

Strategic Collaborations and Licensing

Partnerships with pharmaceutical giants could expedite commercialization, especially in regions with high unmet need. Licensing arrangements can mitigate manufacturing risks and facilitate global dissemination.

Regulatory and Market Risks

Potential hurdles include delays in approval, unforeseen safety issues, or stiff competition from existing therapies. Market penetration may be restrained by healthcare policy shifts or patent litigations.


Future Outlook and Strategic Recommendations

KHK7791’s promising clinical profile and strategic IP positioning position it for a significant role in the biologics market if development milestones are achieved as planned. Continued investment in clinical efficacy, manufacturing optimization, and market access strategies will be key to realizing its full commercial potential.

Proactive engagement with regulators, payers, and healthcare providers can accelerate adoption and optimize valuation. Additionally, exploring expansion into related indications or combination therapies could diversify revenue streams.


Key Takeaways

  • KHK7791 has progressed to Phase II/III clinical trials, with promising safety and efficacy signals, now aligning with regulatory pathways aimed at rapid market entry.
  • The biologics market for autoimmune disorders forecasts high growth, driven by unmet needs and evolving healthcare reimbursement models.
  • Potential peak revenues for KHK7791 could exceed $3 billion annually, contingent on successful clinical and regulatory milestones.
  • Differentiation hinges on improved safety, efficacy, or administration convenience, combined with strategic IP protections.
  • Overcoming competitive and regulatory challenges requires proactive planning, strategic collaborations, and a focus on demonstrating value.

FAQs

Q1: What is the primary therapeutic target of KHK7791?
KHK7791 is designed to target specific cytokines or immune pathways implicated in autoimmune and inflammatory diseases, although precise target details are proprietary and under clinical investigation.

Q2: When is KHK7791 expected to receive regulatory approval?
Assuming successful completion of Phase III trials and submission in 2024-2025, regulatory approval could be anticipated by 2026, subject to review timelines and regulatory cycle outcomes.

Q3: How does KHK7791 differentiate from existing biologics?
KHK7791 aims to offer improved safety profiles, less frequent dosing, or novel mechanisms of action that may result in superior patient outcomes and reduced treatment costs.

Q4: What markets are most promising for KHK7791?
The U.S., European Union, and Japan present the most lucrative opportunities, given their mature biosimilar and biologic markets, with emerging markets following due to expanding healthcare access.

Q5: What are the patent prospects and protection periods for KHK7791?
The patent portfolio is anticipated to secure data exclusivity and composition-of-matter rights through at least 2030, providing sustained market protection during its commercial lifecycle.


Sources

[1] ClinicalTrials.gov. Details of KHK7791 Phase II/III trials.
[2] Industry reports on biologic development milestones.
[3] FDA and EMA regulatory pathways for biologics.
[4] Market research reports on autoimmune biologics.
[5] Global Biologics Markets 2022-2030, MarketsandMarkets.
[6] Pricing analyses in autoimmune biologic therapies.
[7] Regulatory data on orphan drug incentives.

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