New drug targets tough cancers in early trial
NCT ID NCT06616766
First seen Jun 27, 2026 · Last updated Aug 18, 2026 · Updated 2 times
Summary
This study tests a new drug called YH42946 in people with advanced solid tumors that have certain gene changes (HER2 or EGFR). The main goals are to check safety and see if the drug shrinks tumors. About 161 adults who have run out of standard options will take part.
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 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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About 201 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2024
- Expected to finish
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Jul 2028
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: * ECOG performance status 0 or 1 * Estimated life expectancy of at least 3 months * Patients who have progressed on or after all available standard therapies or for whom standard treatment is inappropriate * Mandatory provision of archived or fresh tumor tissue in quantity sufficient to allow for retrospective confirmation of HER2 aberration or EGFR mutation * A patient with a history of brain metastases must have had all lesions treated * Adequate organ function defined as all of the following: * Adequate bone marrow function (within 1 week prior to first administration): Neutrophils≥1.5 x10\*9 cells/L (Criteria must be met without the use of Granulocyte-Colony Stimulating Factor (G-CSF) within last week prior to testing.); platelet count≥75 x10\*9 cells/L; Hb ≥9g/dL (Criteria must be met without packed red blood cell (pRBC) transfusion within last week prior to testing.) * Adequate hepatic function: Serum bilirubin≤1.5 x upper limit of normal (ULN), and serum transaminase (either aspartate transaminase (AST) or alanine transaminase (ALT)) ≤ 3 x ULN if no demonstrable liver metastases, or otherwise ≤ 5 x ULN if transaminase elevation is attributable to liver metastases (within 1 week prior to first administration) * Adequate renal function: Serum creatinine ≤ 1.5 x ULN or Estimated glomerular filtration rate (eGFR) \> 60 mL/min per 1.73 m\*2 according to the site's calculation method. * Adequate Heart function: QTcF≤ 470 ms, LVEF≥ 50% * Blood Coagulation: INR or Prothrombin time ≤ 1.5 X ULN, aPTT ≤ 1.5 X ULN \[Dose Escalation part only\] * Histologically or cytologically confirmed diagnosis of advanced, and/or metastatic non-hematologic malignancy * Documented HER2 aberration or EGFR mutation (HER2 mutation or EGFR exon 20 insertion, HER2 amplification or overexpression) \[Dose Expansion part only\] * Patients who have at least 1 measurable lesion * Patients with histologically or cytologically confirmed locally advanced or metastatic NSCLC HER2 exon 20 insertion (Cohort 1) Exclusion Criteria: * Patient with symptomatic or progressive brain metastases * Known or suspected leptomeningeal disease (LMD) * Uncontrolled spinal cord compression * History of acute coronary syndromes, including myocardial infarction, coronary artery bypass graft, unstable angina, coronary angioplasty or stenting within past 24 weeks * History of or current Class II, III or IV heart failure as defined by the New York Heart Association (NYHA) functional classification system * Medical, psychiatric, cognitive or other conditions that compromise the patients ability to understand the patient information, to give informed consent, to comply with the study protocol or to complete the study * Any severe concurrent disease or condition (includes active infections, cardiac arrhythmia) that in the judgment of the Investigator would make study participation inappropriate for the patient * History of (non-infectious) interstitial lung disease (ILD) or pneumonitis that required steroids, or any evidence of current ILD or pneumonitis * History of a second primary cancer with the exception of 1. curatively treated non-melanomatous skin cancer, 2. curatively treated cervical or breast carcinoma in situ, or 3. other malignancy with no known active disease present and no treatment administered during the last 2 years * Infection with Human immunodeficiency virus (HIV) infection, or active chronic hepatitis B or chronic hepatitis C * Major surgery within 4 weeks prior to the first dose of study treatment
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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
7 sites. 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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Asan Medical Center, University of Ulsan
RECRUITINGSeoul, South Korea
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Chungbuk National University Hospital
RECRUITINGCheongju-si, North Chungcheong, 28644, South Korea
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Next Oncology Virginia
TERMINATEDFairfax, Virginia, 22031, United States
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Samsung Medical Center
RECRUITINGSeoul, 06351, South Korea
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Seoul National University Bundang Hospital
RECRUITINGSeongnam-si, Gyeonggi-do, 13620, South Korea
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Seoul National University Hospital
RECRUITINGSeoul, 03080, South Korea
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Severance Hospital, Yonsei University
RECRUITINGSeoul, 03722, South Korea
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The Catholic Univ. of Korea St. Vincent's Hospital
RECRUITINGSuwon, Gyeonggi-do, 16247, South Korea
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Other studies related to the condition(s) this trial covers.
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- New injectable drug tested for safety in Hard-to-Treat solid tumors
- First human test of BI 4060107 aims to find safe dose for Hard-to-Treat tumors
- Can a new drug shield kidneys from chemotherapy damage?
- Mining Responders' tumors for clues to a universal cancer therapy
- Proton boost radiotherapy aims to hit large tumors harder while sparing healthy tissue