New hope for stomach cancer: drug combo targets tumors
NCT ID NCT05980481
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests a new drug (RC48-ADC) combined with immunotherapy (toripalimab) and either chemotherapy or another targeted drug (trastuzumab) as a first treatment for people with advanced stomach cancer. About 201 adults aged 18-75 with HER2-positive or HER2-negative stomach cancer that cannot be removed by surgery or has spread will participate. The goal is to see if these combinations shrink tumors and help control the disease.
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 2/3
Runs two stages together: whether the treatment works, then large-scale confirmation.
- 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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Aug 2023
- Expected to finish
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Oct 2026
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 to 75 years
- 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Voluntary agreement to provide written informed consent. * Age:18-75 years(including 18 and 75). * Predicted survival ≥ 12 weeks. * Eastern Cooperative Oncology Group (ECOG) performance status score of 0 or 1. * Adequate organ function. * All subjects must have inoperable, advanced or metastatic gastric or or gastroesophageal adenocarcinoma. * Subject must be previously untreated with systemic treatment; Subject that received neoadjuvant chemotherapy with recurrence \>6 months from completion of therapy are permitted; * HER2-expressing status determined by laboratory to be IHC 1+, 2+ or 3+ or IHC0. Exclusion Criteria: * Active central nervous system (CNS) metastases. * Known active hepatitis B, active hepatitis C, or human immunodeficiency virus (HIV) infection. * History of other malignancy within the previous 5 years, except for appropriately treated carcinoma in situ of the cervix, thyroid cancer ,etal. * Known hypersensitivity to antibody-drug conjugate(ADC) or PD-(L)1 or any of its components. * Assessed by the investigator to be unable or unwilling to comply with the requirements of the protocol.
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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.
Contacts and locations
Locations
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Beijing Cancer Hospital
Beijing, China
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Other studies related to the condition(s) this trial covers.
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