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Completed Phase 1Phase 2 Interventional

Study of DF1001 in Patients With Advanced Solid Tumors

ClinicalTrials.gov ID: NCT04143711

Public ClinicalTrials.gov record NCT04143711. 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 Sep 2, 2026, 5:29 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 I/II, First-In-Human, Multi-Part, Open-Label, Multiple-Ascending Dose Study to Investigate the Safety, Tolerability, Pharmacokinetics, Biological, and Clinical Activity of DF1001 in Patients With Locally Advanced or Metastatic Solid Tumors, and Expansion in Selected Indications

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

DF1001-001 is a study of a new molecule that targets natural killer (NK) cells and T-cell activation signals to specific receptors on cancer cells. The study will occur in two phases. The first phase will be a dose escalation phase, enrolling patients with various types of solid tumors that express human epidermal growth factor receptor 2 (HER2). The second phase will include a dose expansion using the best dose selected from the first phase of the study. Multiple cohorts will be opened with eligible patients having either HER2 activated non-small cell lung cancer, hormone receptor (HR) positive HER2 negative metastatic breast cancer, or HER2 positive metastatic breast cancer. DF1001-001 will be administered as monotherapy or in combination; combinations are DF1001 + nivolumab, DF1001 + Nab paclitaxel, and DF1001 + sacituzumab govitecan-hziy.

Study identification

NCT ID
NCT04143711
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1, Phase 2
Lead sponsor
Dragonfly Therapeutics
Industry
Enrollment
270 participants

Conditions and interventions

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
Nov 10, 2019
Primary completion
Dec 4, 2025
Completion
Dec 4, 2025
Last update posted
Mar 17, 2026

2019 – 2025

United States locations

U.S. sites
16
U.S. states
11
U.S. cities
16
Facility City State ZIP Site status
University of California Irvine Medical Center Irvine California 92868
University of Southern California Los Angeles California 90033
Sharp Healthcare San Diego California 92123
University of California San Francisco San Francisco California 94143
University of Kansas Medical Center Research Institute, Inc. Westwood Kansas 66205
Louisiana State University New Orleans Louisiana 70112
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins Baltimore Maryland 21287
Icahn School of Medicine: Tisch Cancer Institute at Mount Sinai Medical Center New York New York 10023
Montefiore Einstein Center for Cancer Care The Bronx New York 10461
University Hospitals Cleveland Medical Center Cleveland Ohio 44106
The Ohio State University Columbus Ohio 43210
Rhode Island Hospital Providence Rhode Island 02903
Vanderbilt-Ingram Cancer Center Nashville Tennessee 37232
MD Anderson Cancer Center Houston Texas 77030
Multicare Health System Tacoma General Hospital Tacoma Washington 98405
University of Wisconsin Madison Wisconsin 53715

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 28 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04143711, 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 Mar 17, 2026 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04143711 live on ClinicalTrials.gov.

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