New hope for lung cancer patients with stubborn mutation
NCT ID NCT06868485
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This study tests an experimental oral drug called WSD0922-FU in 40 adults with advanced non-small cell lung cancer that has a specific mutation (C797S) and has stopped responding to the standard treatment osimertinib. The main goal is to see if the drug can shrink tumors. It is an early-stage trial, so success is not guaranteed.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- WSD0922-FU (an oral drug targeting a specific lung cancer mutation)
- What this could lead to
- If it works, this could offer a new treatment option for people with a specific type of lung cancer that has stopped responding to current therapy.
- What could go wrong
- This is an early Phase 2 trial with only 40 participants, so results may not apply to everyone. The drug may not shrink tumors or could cause side effects.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 40 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2025
- Expected to finish
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Dec 2027
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion criteria: * Provision of signed and dated, written informed consent prior to any study-specific procedures, sampling and analyses. * Male or female aged ≥18 years old. * Histological or cytological confirmation diagnosis of NSCLC. * Locally advanced or metastatic NSCLC, not amenable to curative surgery or radiotherapy. * Evidence of radiological disease progression while on a previous continuous treatment with first-line Osimertinib treatment. * Documented EGFR mutation . * Eastern Cooperative Oncology Group (ECOG) 0-1 and a minimum life expectancy of 12 weeks. * At least one lesion, not previously irradiated and not chosen for biopsy during the study. * Females should have evidence of non-childbearing potential. Exclusion criteria: * Any investigational agents or other anticancer drugs from a previous treatment regimen or clinical study within 14 days of the first dose of study treatment. * Any unresolved toxicities from prior therapy greater than CTCAE Grade 1. * Symptomatic brain complications that require urgent neurosurgical or medical intervention. * Any evidence of severe or uncontrolled systemic diseases. * Refractory nausea and vomiting, chronic gastrointestinal diseases, inability to swallow the formulated product or previous significant bowel resection. * Past medical history of ILD. * Inadequate bone marrow reserve or organ function as demonstrated. * Males and females of reproductive potential. * Known intracranial hemorrhage which is unrelated to tumor. * Seizures requiring a change in anti-epileptic medications.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
18 sites in 3 countries. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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CHU Bordeaux - Centre Francois Magendie
RECRUITINGPessac, New Aquitaine, 33604, France
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CHU Toulon - Hopital Sainte Musse
RECRUITINGToulon, Var, 83100, France
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Centre Francois Baclesse
RECRUITINGCaen, Normandy, 14000, France
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Centre Hospitalier Universitaire (CHU) de Rennes - Hopital de Pontchaillou
RECRUITINGRennes, Ille-et-Vilaine, 35000, France
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Centre Hospitalier Universitaire CHU De Limoges
RECRUITINGLimoges, New Aquitaine, 87042, France
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Cleveland Clinic
RECRUITINGCleveland, Ohio, 44195, United States
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Cleveland Clinic Weston Hospital
RECRUITINGWeston, Florida, 33331, United States
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FOMAT Oncology
RECRUITINGOxnard, California, 93030, United States
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Fujian Provincial Cancer Hospital
RECRUITINGFuzhou, Fujian, 350014, China
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Hackensack Meridian Health-Southern Ocean Medical Center
RECRUITINGManahawkin, New Jersey, 08050, United States
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Karmanos Cancer Institute
RECRUITINGDetroit, Michigan, 48201, United States
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Shanghai East hospital
RECRUITINGShanghai, Shanghai Municipality, 200120, China
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Shanghai Pulmonary Hospital
RECRUITINGShanghai, Shanghai Municipality, 200433, China
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Tianjin Medical University Cancer Institute and Hospital
RECRUITINGTianjin, Tianjin Municipality, 300202, China
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TxO Central/South, Texas Oncology -Central/South Texas
RECRUITINGAustin, Texas, 78745, United States
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UPMC Hillman Cancer Center
RECRUITINGPittsburgh, Pennsylvania, 15235, United States
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Virginia Cancer Specialists
RECRUITINGFairfax, Virginia, 22031, United States
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Wuhan Union Hospital
RECRUITINGWuhan, Hubei, 430022, China
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Two-Drug combo targets stubborn KRAS lung cancer
- Smaller chest drain may speed recovery after lung cancer surgery
- Gut bacteria may hold clues to why some cancer treatments work better
- Breath-Tracking sensor aims to sharpen lung cancer scans
- Can PET scan signals predict who beats lung cancer with immunotherapy?
- Two-Drug combo takes aim at Hard-to-Treat lung cancer