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NCT07462377PHASE1Recruiting

A Phase 1 Study of EPI-326 in EGFR-mutant NSCLC and HNSCC

EpiBiologics

Start Date

3/31/2026

Completion Date

7/1/2029

Summary

A phase 1 study to determine the safety, tolerability, PK, PD, and preliminary anti-tumor activity of ascending doses of EPI-326 administered to patients with locally advanced or metastatic HNSCC and to patients with any documented EGFR-mutant locally advanced or metastatic NSCLC.

Detailed Description

This study will be a first-in-human (FIH), Phase 1, multicenter, open-label study to determine the safety, tolerability, PK, PD, and preliminary anti-tumor activity of ascending doses of EPI-326 as a single agent administered to patients with EGFR-mutant (per clinically validated molecular testing, e.g., next-generation sequencing \[NGS\]) locally advanced or metastatic NSCLC and locally advanced or metastatic HNSCC. All patients will be treated until documented disease progression, unacceptable toxicity, withdrawal of consent, or study termination.

Eligibility Criteria

Age Range: 18 years to No maximum

Inclusion Criteria: 1. Participant has a life expectancy \> 12 weeks at Day 1. 2. Participant has an ECOG performance status of 0-2. 3. Participant has pathologically confirmed NSCLC or HNSCC. o For NSCLC: the tumor harbors any documented EGFR mutation, insertion, or deletion. 4. Participant has locally advanced or metastatic NSCLC or HNSCC. 5. Participant has adequate organ function Exclusion Criteria: 1. Participant has history of uncontrolled illness. 2. Participant has symptomatic brain metastases. 3. Participant has a diagnosis of any secondary malignancy within 3 years prior to enrollment, except for those patients treated with curative intent and no evidence of active disease.

Interventions

DRUG

EPI-326

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Conditions

Epidermal Growth FactorEpidermal Growth Factor ReceptorEpidermal Growth Factor Receptor Gene MutationNon Small CellNon Small Cell LungNon Small Cell Lung CancerHead and NeckHead and Neck CancerHead and Neck CancersHead and Neck Squamous Cell CancerHead and Neck Squamous Cell CarcinomaHead and Neck Squamous Cell Carcinoma HNSCCNSCLC (Non-small Cell Lung Cancer)HNSCCEGFR

Locations

START Los Angeles

Los Angeles, California 90025

United States

Astera Cancer Care

East Brunswick, New Jersey 08816

United States

START New York Long Island

Lake Success, New York 11042

United States

Sarah Cannon and HCA Research Institute

Nashville, Tennessee 37203

United States

MD Anderson Cancer Center

Houston, Texas 77030

United States

South Texas Accelerated Research Therapeutics (START)

San Antonio, Texas 78229

United States