Treatment with YH32367 for HER2 Positive Advanced Solid Tumors
Official title: A Phase 1/2, Open-label, Multicenter, First-in-Human Study to Evaluate the Safety, Tolerability, Pharmacokinetics and Anti-tumor Activity of YH32367 in Patients With HER2-Positive Locally Advanced or Metastatic Solid Tumors
Run by Yuhan Corporation · NCT05523947 · Data updated 2026-11-12
This study is testing a new treatment called YH32367 to see if it can safely help people with advanced solid tumors that are HER2-positive.
Quick facts
| Phase | Phase1; Phase2 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 147 (estimated) |
| Sponsor | Yuhan Corporation Industry-sponsored |
| Locations | 19 sites (Boston, Massachusetts and 18 other locations) |
| Status | Recruiting |
| Started | August 26, 2022 |
| Main results expected | March 31, 2028 |
| Study ends | April 30, 2028 |
| Registry record updated | September 24, 2026 |
| Trial ID | NCT05523947 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates include patients with pathologically confirmed HER2-positive locally advanced or metastatic solid tumors.
✕Probably not a fit
Patients with uncontrolled CNS metastases, certain heart conditions, or autoimmune diseases may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This clinical trial evaluates the safety, tolerability, pharmacokinetics, and anti-tumor activity of YH32367, a bispecific antibody targeting HER2 and 4-1BB, in patients with HER2-positive locally advanced or metastatic solid tumors. The study consists of two parts: a Dose Escalation phase to determine the Maximum Tolerated Dose (MTD) and a Dose Expansion phase to confirm the safety and efficacy at the recommended dose. Participants must provide tumor tissue samples and have measurable lesions to qualify for the trial.
Why it matters
Potential benefit: If successful, this treatment could provide a new therapeutic option for patients with HER2-positive solid tumors.
How similar studies have gone: Other studies involving bispecific antibodies targeting HER2 have shown promise, suggesting potential for success in this approach.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: \[Dose Escalation Part\] * Pathologically confirmed HER2-positive * Mandatory provision of tumor tissue sample \[Dose Expansion Part\] * Patients who have at least one measurable lesion * Mandatory provision of tumor tissue sample 1. Cohort 1: Pathologically confirmed HER2-positive biliary tract cancer 2. Cohort 2: Pathologically confirmed HER2-positive metastatic solid tumor malignancy other than breast and gastric or gastroesophageal junction adenocarcinoma and biliary tract cancer Exclusion Criteria: * Uncontrolled central nervous system (CNS) metastases * Spinal cord compression * Carcinomatous meningitis * Acute coronary syndromes * Heart failure * Interstitial lung disease (ILD) * Pneumonitis * History of a second primary cancer * Human immunodeficiency virus (HIV) * Active chronic hepatitis B * Hepatitis C * Systemic steroid therapy * Autoimmune disease
Where it's running
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Vanderbilt Ingram Cancer Center
Nashville, Tennessee, United States Recruiting -
Blacktown Hospital
Sydney, Australia Recruiting -
CHA Bundang Medical Center
Seongnam-si, Gyeonggi-do, South Korea Recruiting -
Catholic University of Korea St. Vincent's Hospital
Suwon, Gyeonggi-do, South Korea Recruiting -
Ajou University Hospital
Suwon, Gyeonggi-do, South Korea Recruiting -
Gyeongsang National University Hospital
Jinju, Gyeongsangnam-do, South Korea Recruiting
Show 13 more locations
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Chungbuk National University Hospital
Cheongju-si, North Chungcheong, South Korea Recruiting -
Gachon Gil University Medical Center
Incheon, South Korea Recruiting -
Korea University Anam Hospital
Seoul, South Korea Recruiting -
Seoul National University Hospital
Seoul, South Korea Recruiting -
Severance Hospital, Yonsei University Health System
Seoul, South Korea Recruiting -
Asan Medical Center
Seoul, South Korea Recruiting -
Samsung Medical Center
Seoul, South Korea Recruiting -
The Catholic University of Korea, St. Mary's hospital
Seoul, South Korea Recruiting -
Ulsan University Hospital
Ulsan, South Korea Recruiting -
Dana Farber Cancer Institute
Boston, Massachusetts, United States Withdrawn -
Southern Oncology Clinical Research Unit
Adelaide, Australia Terminated -
Austin Health
Melbourne, Australia Withdrawn -
Breast Cancer Research Centre - WA
Perth, Australia Withdrawn
Study contacts
- Principal investigator: Hyejin Choi — Severance Hospital
- Study coordinator: Clinical Operation Team 1
- Email: clinicaltrials@yuhan.co.kr
- Phone: +82-2-828-0065
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.