New drug combo targets Hard-to-Treat cancers in early trial
NCT ID NCT06422520
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This early-phase study tested a new drug called BGB-C354, alone or with an immunotherapy (tislelizumab), in 63 people with advanced solid tumors that had not responded to standard treatments. The main goals were to check safety and find the right dose. Researchers also looked for signs that the tumors shrank. The study is complete, but results are not yet available.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- BGB-C354 (an antibody-drug conjugate) and tislelizumab (an immunotherapy)
- What this could lead to
- If it works, this could point toward a new treatment option for people with advanced solid tumors that have not responded to other therapies.
- What could go wrong
- This is a very early, first-in-human study with only 63 participants. The drug may not shrink tumors or could cause serious side effects. Success in this small trial does not guarantee it will work in larger studies.
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
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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63 people
The number who actually took part.
- Started
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Jul 2024
- Finished
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May 2026
- 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: 1. Able to provide a signed and dated written informed consent prior to any study-specific procedures, sampling, or data collection. 2. Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1. 3. Participants with histologically or cytologically confirmed advanced, metastatic, or unresectable solid tumors, whose cancer is not amenable to therapy with curative intent: 4. ≥ 1 measurable lesion per RECIST v1.1. 5. Able to provide an archived tumor tissue sample. 6. Adequate organ function. 7. Females of childbearing potential must be willing to use a highly effective method of birth control for the duration of the study, and for ≥ 7 months after the last dose of study drug(s). 8. Nonsterile males must be willing to use a highly effective method of birth control for the duration of the study treatment period and for ≥ 4 months after the last dose of study drug(s). Exclusion Criteria: 1. Prior treatment with B7H3-targeted therapy. 2. For Part B and Phase 1b: Prior treatment with antibody drug conjugates (ADCs) with topoisomerase I inhibitor payload (for Phase 1b, unless otherwise specified for specific cohorts). 3. Participants with spinal cord compressions, active leptomeningeal disease or uncontrolled, or untreated brain metastasis 4. Any malignancy ≤ 2 years before the first dose of study treatment(s) except for the specific cancer under investigation in this study and any locally recurring cancer that has been treated with curative intent (eg, resected basal or squamous cell skin cancer, superficial bladder cancer, or carcinoma in situ of the cervix or breast). 5. History of interstitial lung disease, ≥ Grade 2 noninfectious pneumonitis, oxygen saturation at rest \< 92%, or requirement for supplemental oxygen at baseline 6. Uncontrolled diabetes, or \> Grade 1 laboratory test abnormalities in potassium, sodium, or corrected calcium levels despite standard medical management ≤ 14 days before the first dose of study drug(s). 7. Infection (including tuberculosis infection) requiring systemic (oral or intravenous) antibacterial, antifungal, or antiviral therapy ≤ 14 days before the first dose of study treatment(s). Note: Other protocol defined Inclusion/Exclusion criteria may apply.
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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, Beijing Municipality, 100142, China
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Dana Farber Cancer Institute
Boston, Massachusetts, 02215-5418, United States
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Florida Cancer Specialist Research Institute Lake Nona
Orlando, Florida, 32827-7400, United States
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Hubei Cancer Hospital
Wuhan, Hubei, 430079, China
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Jilin Cancer Hospital
Changchun, Jilin, 130021, China
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Liaoning Cancer Hospital and Institute
Shenyang, Liaoning, 110042, China
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Next Oncology
San Antonio, Texas, 78229-6028, United States
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One Clinical Research
Nedlands, Western Australia, WA 6009, Australia
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St Vincents Hospital Melbourne
Fitzroy, Victoria, VIC 3065, Australia
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The Alfred Hospital
Melbourne, Victoria, VIC 3004, Australia
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The University of Texas Md Anderson Cancer Center
Houston, Texas, 77030-4009, United States
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Washington University School of Medicine
St Louis, Missouri, 63110-1010, United States
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West China Hospital, Sichuan University
Chengdu, Sichuan, 610041, China
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Westmead Hospital
Westmead, New South Wales, NSW 2145, Australia
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Oral drug that targets two cancer drivers tested in first human study
- Mitochondria-Targeting drug gamitrinib tested for first time in humans
- Can a Two-Drug combo outsmart advanced cancer?
- Can an experimental pill boost cancer immunotherapy? early trial puts HG146 to the test
- New injectable drug tested for safety in Hard-to-Treat solid tumors
- New antibody drug conjugate tested against advanced cancers