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Active, not recruiting Phase 1 Interventional

HER3-DXd (Patritumab Deruxtecan; U3-1402) in Combination With Osimertinib in Subjects With Locally Advanced or Metastatic EGFR-mutated Non-Small Cell Lung Cancer

ClinicalTrials.gov ID: NCT04676477

Public ClinicalTrials.gov record NCT04676477. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 21, 2026, 4:25 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 1 Open-Label Study of HER3-DXd (Patritumab Deruxtecan; U3-1402) in Combination With Osimertinib in Subjects With Locally Advanced or Metastatic EGFR-mutated Non-Small Cell Lung Cancer (NSCLC)

Study identification

NCT ID
NCT04676477
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 1
Lead sponsor
Daiichi Sankyo
Industry
Enrollment
246 participants

Conditions and interventions

Interventions

  • HER3-DXd Drug
  • Osimertinib Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jun 10, 2021
Primary completion
Jan 30, 2025
Completion
Apr 29, 2027
Last update posted
Jun 21, 2025

2021 – 2027

United States locations

U.S. sites
13
U.S. states
11
U.S. cities
11
Facility City State ZIP Site status
UCLA Santa Monica California 90404
Yale University School of Medicine - Yale-New Haven Hospital New Haven Connecticut 06510
Georgetown University Medical Center Washington D.C. District of Columbia 20057
Northwestern University Feinberg School of Medicine Chicago Illinois 60611
Massachusetts General Hospital Cancer Center Boston Massachusetts 02114
Dana-Farber Cancer Institute Boston Massachusetts 02215
Henry Ford Cancer Institute Detroit Michigan 48202
Dartmouth-Hitchcock Medical Center Lebanon New Hampshire 03756
Columbia University Irving Medical Center New York New York 10032
Memorial Sloan Kettering Cancer Center New York New York 10065
University of Pennsylvania Philadelphia Pennsylvania 19104
Sarah Cannon and HCA Research Institute Nashville Tennessee 37203
Virginia Cancer Specialists, PC Fairfax Virginia 22031

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 18 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04676477, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jun 21, 2025 · Synced Jul 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04676477 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →