New drug combo targets advanced cancers in early trial
NCT ID NCT07453394
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests an experimental drug called QLS5132, given with other cancer treatments, for people with advanced solid tumors like stomach, lung, endometrial, and ovarian cancers. The goal is to find safe doses and see if the combination shrinks tumors. About 626 participants will receive the drug and be monitored for side effects and treatment response.
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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 626 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Apr 2026
An estimate. Start dates often move.
- Expected to finish
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Feb 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 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.
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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: 1. Advanced solid tumors; 2. Measurable disease, per Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1 (v1.1); 3. Eastern Cooperative Oncology Group (ECOG) performance status 0-1; 4. Adequate organ function; 5. Recover from all reversible AEs from previous anti-tumor treatment (i.e., Grade ≤ 1, according to National Cancer Institute-Common Terminology Criteria for Adverse Events \[NCI-CTCAE\] v5.0), excluding alopecia (any grade) and Grade ≤ 2 neuropathy peripheral. Exclusion Criteria: 1. Previous treatment with drugs targeting CLDN6 (including antibody-drug conjugates \[ADCs\]), or any drug containing topoisomerase I inhibitors (including ADCs); 2. Received prior chemotherapeutic, investigational, or other therapies for the treatment of cancer within 2 weeks with small molecule and within 4 weeks with biologic before the first dose of QLS5132; 3. Progressive or symptomatic brain metastases; 4. Serious, uncontrolled medical disorder, nonmalignant systemic disease, or active, uncontrolled infection; 5. History of significant cardiac disease, or poorly controlled diabetes mellitus; 6. History of recurrent autoimmune diseases; 7. History of myelodysplastic syndrome (MDS) or Acute Myeloid Leukemia (AML); 8. History of a second primary malignancy; 9. If female, is pregnant or breastfeeding; 10. Be allergic to any component of QLS5132 or its excipients.
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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 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.
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