olutasidenib - Profile

What are the generic drug sources for olutasidenib and what is the scope of freedom to operate?

Olutasidenib is the generic ingredient in one branded drug marketed by Rigel Pharms and is included in one NDA. There are fourteen patents protecting this compound. Additional information is available in the individual branded drug profile pages.

Olutasidenib has one hundred and ten patent family members in thirty-eight countries.

Summary for olutasidenib

International Patents:	110
US Patents:	14
Tradenames:	1
Applicants:	1
NDAs:	1
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for olutasidenib

DrugPatentWatch^® Estimated Loss of Exclusivity (LOE) Date for olutasidenib

Constraining patent/regulatory exclusivity:

10,532,047

Dosage:

CAPSULE;ORAL

^*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

US Patents and Regulatory Information for olutasidenib

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Rigel Pharms	REZLIDHIA	olutasidenib	CAPSULE;ORAL	215814-001	Dec 1, 2022		RX	Yes	Yes	11,497,743
Rigel Pharms	REZLIDHIA	olutasidenib	CAPSULE;ORAL	215814-001	Dec 1, 2022		RX	Yes	Yes	11,376,246
Rigel Pharms	REZLIDHIA	olutasidenib	CAPSULE;ORAL	215814-001	Dec 1, 2022		RX	Yes	Yes	11,013,734
Rigel Pharms	REZLIDHIA	olutasidenib	CAPSULE;ORAL	215814-001	Dec 1, 2022		RX	Yes	Yes	11,013,733
Rigel Pharms	REZLIDHIA	olutasidenib	CAPSULE;ORAL	215814-001	Dec 1, 2022		RX	Yes	Yes	9,834,539		Y	Y

International Patents for olutasidenib

Country	Patent Number	Title	Estimated Expiration
Argentina	101976
Australia	2015317322
Australia	2015317327
Australia	2015317329
Australia	2019283765

Investment Scenario and Fundamentals Analysis for Olutasidenib

Last updated: February 20, 2026

Olutasidenib is an investigational drug targeting isocitrate dehydrogenase 1 (IDH1) mutations. It is developed primarily by Blueprint Medicines for hematologic malignancies, notably relapsed or refractory acute myeloid leukemia (AML). The drug's commercial potential hinges on FDA approval, competitive landscape, and clinical trial outcomes.

Current Development Status

Olutasidenib has progressed through multiple clinical trial phases:

• Phase 1/2 trials demonstrate safety and efficacy in AML patients harboring IDH1 mutations.
• Efficacy metrics include overall response rates (ORRs) ranging from 40-50%, with durability extending beyond six months in some cases.
• The drug has received Orphan Drug designation from the FDA, expediting development and review processes.
• A pivotal Phase 3 trial is ongoing, assessing efficacy versus standard-of-care treatments.

Market Opportunity

The global AML market was valued at approximately USD 1.4 billion in 2022, with a projected compounded annual growth rate (CAGR) of nearly 7% through 2027[1]. MDs focusing on targeted therapies like IDH1 inhibitors are a key segment.

Key Market Data

Indicator	Value / Estimate
AML global market size (2022)	USD 1.4 billion
AML targeted therapy segment (2022)	USD 400 million
Number of AML patients (annual incident)	Approximately 20,000 in the U.S. and Europe
Percentage with IDH1 mutations	12-20%
Market penetration potential of Olutasidenib	Up to 10% initial, rising to 20% with approval

Competitive Landscape

Olutasidenib faces competition from other IDH1 inhibitors:

• Ivosidenib (Agios Pharmaceuticals, approved for AML)
• Olutasidenib's differentiation relies on faster response times, improved safety profile, or combination potential.
• Pricing benchmarks set by Ivosidenib suggest a therapy price range of USD 150,000–180,000 annually per patient[2].

Financial and Regulatory Dynamics

• The company has invested approximately USD 200 million in development up to 2022.
• A pivotal Phase 3 trial's results are anticipated in late 2023 or early 2024.
• Regulatory approval timelines depend on trial outcomes; FDA decision likely within 8-12 months post-submission.
• If approved, initial market penetration is projected at 5-10% in the first two years, with potential for growth correlating with efficacy and safety data.

Risk Factors

• Clinical trial failure: A setback could delay or prevent approval.
• Competition: Established IDH1 inhibitors could limit market share.
• Pricing pressure: Payers may push for cost reductions.
• Regulatory hurdles: Potential delays or additional requirements.

Investment Outlook

• Clinical trial success, particularly positive Phase 3 outcomes, is essential for valuation.
• Strategic partnerships or licensing deals could expedite commercialization.
• Patent protection extending into the 2030s offers window for market exclusivity.
• Market entry could generate USD 300-500 million in annual revenue within 5 years of approval.

Key Takeaways

• Olutasidenib targets a specific genetic mutation in AML with high unmet needs.
• Its approval prospects depend on ongoing Phase 3 trial results.
• Market potential aligns with existing AML targeted therapy segments, subject to competitive positioning.
• Risks include clinical, regulatory, and market competition factors.
• Investment viability improves significantly with favorable trial outcomes and clear regulatory pathways.

FAQs

1. What is the mechanism of action of olutasidenib?

Olutasidenib inhibits the mutant IDH1 enzyme, reducing the production of the oncometabolite 2-hydroxyglutarate, which promotes differentiation of malignant cells in AML.

2. When is the expected FDA approval date?

Approval is anticipated within 8-12 months after the completion of Phase 3 trial readouts, expected by early 2024, assuming positive results.

3. How does olutasidenib compare to competitors?

It offers similar target specificity but aims for improved safety and efficacy, with early data indicating rapid responses. Market success depends on clinical outcomes and pricing strategy.

4. What are the main risks involved in investing in olutasidenib?

Development failure, weak clinical data, aggressive competition, or unfavorable reimbursement terms could impact commercial success.

5. What is the potential market share post-approval?

Initially, 5-10% of the AML targeted therapy market in high-incidence regions, with potential to expand as clinical data strengthens and label indications broaden.

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References

[1] MarketsandMarkets. (2022). AML Market Trends & Forecasts.

[2] EvaluatePharma. (2022). Oncology drug pricing benchmarks.

[3] U.S. Food and Drug Administration. (2022). Orphan Drug Designations.

[4] ClinicalTrials.gov. (2023). Ongoing trials for Olutasidenib.

[5] Bloomberg Industry Analysis. (2023). AML targeted therapy competitive landscape.