New drug combo aims to shrink advanced stomach tumors
NCT ID NCT07609667
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests a new drug combination (SKB315 plus an immunotherapy) in people with advanced stomach or gastroesophageal junction cancer that cannot be removed by surgery. About 80 participants in China will receive the treatment to see if it shrinks tumors. The goal is to control the disease, not cure it, as ongoing treatment is needed.
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 80 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jun 2026
An estimate. Start dates often move.
- Expected to finish
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Jun 2029
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 80 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.
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: 1. Locally advanced unresectable or metastatic gastric cancer (GC) or gastroesophageal junction (GEJ) carcinoma and have histologically confirmed adenocarcinoma 2. No previous systemic therapy for locally advanced unresectable or metastatic gastric/GEJ cancer. 3. Consent to provide archival or fresh tumor tissue slides for immunohistochemistry (IHC) assessment, and advanced solid tumors with Claudin 18.2 and PD-L1 expression as determined by IHC; 4. Presence of at least one measurable lesion based on Response Evaluation Criteria in Solid Tumors (RECIST) v1.1; 5. Eastern Cooperative Oncology Group (ECOG) score of 0 or 1; 6. Estimated survival ≥ 3 months as judged by the investigator; 7. Adequate organ and bone marrow function (no blood components and cytokines are allowed within 2 weeks prior to the first dose) ; 8. Patients of childbearing potential (male or female) must use effective medical contraception during the study and for 6 months after the end of dosing; Exclusion Criteria: 1. Active leptomeningeal disease or uncontrolled brain metastasis 2. Diagnosed with gastric or GEJ adenocarcinoma with positive HER2 3. Received other drugs in clinical study, major surgeries, or any other antitumor therapies within 4 weeks prior to the first dose of study treatment; 4. Patients with active hepatitis B or hepatitis C; 5. Patients have significant gastric bleeding 6. The presence of clinically uncontrollable third interspace fluid 7. Have clinically significant systemic diseases that may adversely affect the safety of the study; 8. Patients who may have poor compliance with the clinical study or have other factors based on which the investigator considers that the patients are not appropriate to patients in the study.
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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
1 site. 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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Peking Union Medical College Hospital, Chinese Academy of Medical Sciences
Beijing, Beijing Municipality, China
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Can PET scans reveal which stomach cancers will respond to immunotherapy?
- Can a direct hit to tumors make immunotherapy work better?
- New antibody aims to preserve immune checkpoint while fighting cancer
- Can a vaccine stop GI cancers from returning?
- Blood test aims to catch Cancer's return earlier