Black Diamond Therapeutics Announces First Patients Dosed in Phase 1 Clinical Trial Expansion Cohorts Evaluating BDTX-1535 in Patients with Intrinsic Driver and Acquired Resistance EGFR Mutation Positive Non-Small Cell Lung Cancer

Company to present BDTX-1535 dose escalation data in NSCLC at the AACR-NCI-EORTC Conference in October 2023

Excerpt from the Press Release:

CAMBRIDGE, Mass. and NEW YORK, Sept. 11, 2023 (GLOBE NEWSWIRE) — Black Diamond Therapeutics, Inc. (Nasdaq: BDTX), a clinical-stage precision oncology company developing therapies that target families of oncogenic mutations in patients with genetically defined cancers, today announced the first patients dosed in mutation matched expansion cohorts of non-small cell lung cancer (NSCLC) in the ongoing Phase 1 clinical study evaluating BDTX-1535.

BDTX-1535, a fourth-generation, brain-penetrant epidermal growth factor receptor (EGFR) MasterKey tyrosine kinase inhibitor (TKI), is under investigation for the treatment of NSCLC harboring intrinsic driver and/or acquired resistance (post-osimertinib) EGFR mutations and glioblastoma multiforme (GBM) with multiple EGFR alterations. The BDTX-1535 expansion cohort portion of the study will assess single-agent objective response rate (ORR) in a second- or third-line setting in NSCLC patients with EGFR intrinsic driver and/or acquired resistance mutations, who have received prior treatment with approved EGFR TKI.

The dosing of the first patients in the expansion cohorts follows the Company’s initial data readout from the dose escalation portion of the BDTX-1535 Phase 1 clinical study, which demonstrated clinical proof of activity through radiographic responses in NSCLC patients harboring diverse types of EGFR mutations including intrinsic driver and post-osimertinib acquired resistance EGFR mutations.

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