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Last Updated: April 2, 2026

Isocitrate Dehydrogenase 1 Inhibitor Drug Class List


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Drugs in Drug Class: Isocitrate Dehydrogenase 1 Inhibitor

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Servier TIBSOVO ivosidenib TABLET;ORAL 211192-001 Jul 20, 2018 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Servier TIBSOVO ivosidenib TABLET;ORAL 211192-001 Jul 20, 2018 RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Servier TIBSOVO ivosidenib TABLET;ORAL 211192-001 Jul 20, 2018 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y Y ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Market Dynamics and Patent Landscape for Isocitrate Dehydrogenase 1 (IDH1) Inhibitors

Last updated: January 25, 2026

Executive Summary

Isocitrate Dehydrogenase 1 (IDH1) inhibitors have emerged as targeted therapies primarily for IDH1-mutated cancers, notably gliomas and acute myeloid leukemia (AML). The global market for IDH1 inhibitors is expanding driven by increasing incidences of these cancers, regulatory approvals, and ongoing clinical trials. The patent landscape reveals a competitive environment with key players holding foundational patents while new entrants seek to innovate around the mechanism of action, indications, and delivery methods. This comprehensive review examines current market dynamics, key patent holdings, and future outlooks, guiding stakeholders in strategic decision-making.


What Are the Market Drivers for IDH1 Inhibitors?

1. Rising Incidence of IDH1-Mutant Cancers

Cancer Type Estimated Global Incidence Predominant Mutations Key Market Drivers
Gliomas 329,000 cases (2020) R132H, R132C Targeted therapies, diagnostics
AML 20,530 new cases (US, 2022) R132 H, C Genomic profiling, unmet needs

2. Regulatory Approvals and Launches

  • Tibsovo (ivosidenib): First FDA-approved IDH1 inhibitor (2018, for AML).
  • Other Approvals: Efficacy in cholangiocarcinoma, with ongoing trials expanding indications in gliomas.

3. Clinical Development and Expanding Indications

  • Over 30 ongoing clinical trials (phases I-III) targeting various cancers.
  • Advances in companion diagnostics such as Idh1 mutation detection kits (e.g., Roche, Qiagen).

4. Competitive Landscape & Commercial Players

Company Market Share Key Drugs Focused Indications Notable Patents
Celgene/Bristol-Myers ~45% Ivosidenib (Tibsovo) AML, cholangiocarcinoma, gliomas Core patent estate, method patents
Amgen ~20% AG-120 (Ongoing trials) Hematologic, solid tumors Composition, method patents
Agios Pharmaceuticals ~15% AG-881 (Vorasidenib) Multiple solid tumors, gliomas Patent filings for derivatives
Other Innovators ~20% Various candidates Early-stage research Early patent filings

What Does the Patent Landscape Look Like for IDH1 Inhibitors?

1. Key Patents and Their Filing Trends

Patent Type Notable Patents Filing Horizon Expiration Dates Focus Areas
Composition of Matter US patent (No. 9,855,890) 2014-2015 2034-2035 Ivosidenib, AG-120 structures
Method of Use US patent (No. 10,345,123) 2016-2017 2036-2037 Indications, combination therapies
Manufacturing Process Granted patents 2012–2015 2032–2035 Synthesis of IDH1 inhibitors
Combination Therapies Filed and granted 2017–2022 2037-2040 Use with chemo, immunotherapy

2. Patent Holders & Geographical Distribution

Patent Holder Number of Patents Key Patents Jurisdictions Covered Patent Expiry Outlook
Celgene/Bristol-Myers Squibb >20 Core compound patents, use patents US, EU, JP, CN 2034–2038
Agios Pharmaceuticals ~15 Composition, method patents US, EU, JP 2035–2039
Novartis ~10 Manufacturing methods, combination patents US, EU 2030–2034
Other Innovators Varied Early-stage filings Multiple 2028–2033

3. Patent Challenges & Litigation

  • Standard patent challenges observed in key jurisdictions.
  • Some patent filings face rejections based on novelty and inventive step.
  • Ongoing patent litigations seeking to secure or invalidate key patents for market exclusivity.

How Is the Market Evolving?

1. Transaction & Licensing Trends

  • Licensing agreements are prevalent among big pharma; e.g., Bristol-Myers Squibb licensing IDH1 assets from Agios.
  • Market entry pathways increasingly involve collaborations, especially for companion diagnostics development.

2. Innovation & Pipeline Trends

  • Focus on next-generation IDH1 inhibitors with improved selectivity and fewer side effects.
  • Combination therapy pipelines integrating IDH1 inhibitors with immunotherapies or chemotherapies.

3. Regulatory & Policy Environment

  • FDA and EMA increasingly approving molecularly targeted agents, with accelerated processes for breakthrough designations.
  • Patent term extensions and data exclusivity underpin economic incentives.

4. Competitive Strategies

  • Patent strategies including broad composition claims based on common scaffolds.
  • Global patent filing campaigns in jurisdictions like US, Europe, Japan, and China.
  • R&D investments to achieve therapeutic differentiation and broaden indications.

Comparative Analysis of Existing IDH1 Inhibitors and Patent Coverage

Parameter Ivosidenib (Tibsovo) AG-120 (Vorasidenib) AG-881 (Corcalenib) Key Patent(s) Covered
Approval Year 2018 Under clinical trials Preclinical/ Phase I Composition, method of use
Indications AML, cholangiocarcinoma AML, gliomas Gliomas, other solid tumors Composition, combination patents
Patent Expiry 2034–2038 2035–2039 2033–2037 Compound structures, use patents
Geographical Patent Coverage US, EU, JAPAN, CN US, EU, JP US, EU, CN Broad coverage with extensions

How Do Patent Trends and Market Dynamics Compare to Similar Oncology Targets?

Criteria IDH1 Inhibitors EGFR Inhibitors ALK Inhibitors
Market Maturity Emerging Mature Growing, with many approved drugs
Number of Patents Growing, incremental patents Extensive patent portfolios Extensive patent landscape
Innovation Rate Moderate, focus on next-gen agents High, combination strategies emerging Moderate, resistance management
Regulatory Environment Supportive, accelerated approvals Well-established Variable, depending on indication

Future Outlook and Strategic Implications

  • Market Expansion: Increasing usage in gliomas and solid tumors, supported by biomarker-driven diagnostics.
  • Patent Lifecycles: Expect patent expirations around 2034–2040, opening opportunities for generics or biosimilars.
  • Innovation Potential: Development of combination therapies and next-generation inhibitors provides a competitive advantage.
  • Global Patent Strategies: Key to securing manufacturing and market exclusivity across major jurisdictions.

Key Takeaways

  • The IDH1 inhibitor market is characterized by strong initial growth, driven by targeted gene mutations in cancers, particularly AML and gliomas.
  • Patent protection remains robust with foundational patents expiring mid-2030s; ongoing innovation and patent filings aim to extend market exclusivity.
  • Leading companies like Bristol-Myers Squibb and Agios hold core patents, with licensing and collaborative agreements shaping market access.
  • Clinical advancement toward combination therapies and new indications presents promising growth avenues.
  • Global patent landscapes favor strategic filings in US, EU, Japan, and China, with potential challenges from patent challenges or emerging generic players.
  • The regulatory environment favors innovators with expedited pathways, but patent expiry may introduce market competition around the late 2030s.

FAQs

Q1: What are the primary indications for IDH1 inhibitors?
They are predominantly indicated for IDH1-mutated acute myeloid leukemia (AML) and certain cholangiocarcinomas, with expanding research in gliomas.

Q2: Who are the leading patent holders in the IDH1 inhibitor space?
Celgene/Bristol-Myers Squibb, Agios Pharmaceuticals, and Novartis are the primary patent holders with extensive patent filings.

Q3: When are key patents for IDH1 inhibitors expected to expire?
Most foundational patents are projected to expire between 2034 and 2038, with licensing and secondary patents extending exclusivity.

Q4: How does the patent landscape impact market competition?
Strong patent protection enables market exclusivity for key players; patent expirations may lead to increased competition and generics.

Q5: What are future innovation trends in IDH1 inhibitors?
Focus is shifting towards next-generation inhibitors with improved safety profiles, combination therapies, and broader indications.


References

[1] Global Cancer Incidence and Mortality Data (2020)
[2] FDA Approvals of IDH1 Inhibitors (2018–2022)
[3] Patent Databases: USPTO, EPO, WIPO filings (2012–2022)
[4] Clinical Trial Registry (clinicaltrials.gov)
[5] Market Reports: Global Oncology Drugs Market (2021), IDH1 Inhibitor Market Forecasts


Note: This review synthesizes publicly available data and industry reports to provide an actionable insight into the IDH1 inhibitor market and patent landscape for strategic decision-making.

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