Overview
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Indication
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Research Report
Taletrectinib (Ibtrozi): A Comprehensive Oncological Drug Monograph
Executive Summary
Taletrectinib, marketed as Ibtrozi, is a next-generation, orally administered, central nervous system (CNS)-active, selective tyrosine kinase inhibitor (TKI) that has emerged as a significant therapeutic advancement for ROS1-positive (ROS1+) non-small cell lung cancer (NSCLC).[1] On June 11, 2025, the U.S. Food and Drug Administration (FDA) granted approval for taletrectinib for the treatment of adult patients with locally advanced or metastatic
ROS1+ NSCLC, a decision that applies to both TKI-naïve and previously treated patient populations.[4] This approval is predicated on a robust body of evidence from the pivotal Phase 2 clinical trials, TRUST-I and TRUST-II, which demonstrated high and durable systemic and intracranial response rates.[2]
The clinical profile of taletrectinib is distinguished by several key attributes that address critical unmet needs in the management of ROS1+ NSCLC. The agent exhibits potent activity against the common crizotinib-acquired resistance mutation, ROS1 G2032R, a significant mechanism of treatment failure for first-generation TKIs.[3] Furthermore, taletrectinib was designed for superior penetration of the blood-brain barrier, translating to compelling intracranial efficacy in patients with CNS metastases, a frequent and challenging complication of this disease.[3] This is coupled with a favorable neurological safety profile, which is attributed to its high selectivity for ROS1 over tropomyosin receptor kinase B (TRKB), thereby minimizing the dose-limiting neurological adverse events associated with less selective inhibitors.[1]
Clinical Trials
Title | Posted | Study ID | Phase | Status | Sponsor |
---|---|---|---|---|---|
2025/06/06 | N/A | Not yet recruiting | |||
2025/02/24 | N/A | AVAILABLE | |||
2024/08/21 | Phase 3 | Recruiting | |||
2024/01/22 | Phase 2 | Suspended | Megan Kruse, MD | ||
2021/06/09 | Phase 2 | Recruiting | |||
2020/11/05 | Phase 2 | Recruiting | |||
2020/05/20 | Phase 2 | Active, not recruiting | |||
2016/02/05 | Phase 1 | Completed |
FDA Drug Approvals
Approved Product | Manufacturer | NDC Code | Route | Strength | Effective Date |
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No FDA approvals found for this drug. |
EMA Drug Approvals
Approved Product | Authorization Holder | Status | Issued Date |
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No EMA approvals found for this drug. |
HSA Drug Approvals
Approved Product | Manufacturer | Approval Number | Dosage Form | Strength | Approval Date |
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No HSA approvals found for this drug. |
NMPA Drug Approvals
Approved Product | Company | Approval Number | Drug Type | Dosage Form | Approval Date |
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No NMPA approvals found for this drug. |
PPB Drug Approvals
Approved Product | Registration No. | Company | Licence No. | Strength | Registration Date |
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No PPB approvals found for this drug. |
TGA Drug Approvals
Approved Product | ARTG ID | Sponsor | Registration Type | Status | Registration Date |
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No TGA approvals found for this drug. |
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