New pill targets common cancer mutation in early trial
NCT ID NCT06585488
First seen Jun 26, 2026 · Last updated Jul 09, 2026 · Updated 3 times
Summary
This early-phase study tested a new drug called BGB-53038, which blocks a family of KRAS proteins that help some cancers grow. It was given alone or with other drugs to 47 people with advanced solid tumors (like lung, colon, or pancreatic cancer) that have KRAS mutations. The main goals were to check safety and find the right dose, but the study was stopped early, so results are limited.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- BGB-53038 (a Pan-KRAS inhibitor pill), sometimes combined with tislelizumab or cetuximab infusions
- What this could lead to
- If it works, this could point toward a new treatment option for several hard-to-treat cancers with KRAS mutations.
- What could go wrong
- This is a very early (phase 1) trial that was terminated, so results are limited. The drug may not prove effective or safe 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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47 people
The number who actually took part.
- Started
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Dec 2024
- Finished
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Apr 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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Accepted
You do not need to have the condition being studied to take part.
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. Must sign a written ICF; and understand and agree to comply with the requirements of the study and the schedule of activities. 2. Eastern Cooperative Oncology Group (ECOG) Performance Status ≤ 1. 3. Participants must have evidence of a KRAS mutation or wild-type amplification (copy number ≥ 8) based on testing of either tumor tissue or liquid biopsy (blood or plasma) as determined by local laboratory 4. Able to provide an archived tumor tissue sample or fresh biopsy sample. 5. ≥ 1 measurable lesion per RECIST v1.1. 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, for \> 7 days after the last dose of BGB-53038, \> 120 days after the last dose of tislelizumab, or \> 2 months after the last dose of cetuximab, whichever is later 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. Participants with tumors harboring KRAS G12R mutation. 2. Participants who have prior therapy with other anti-RAS treatment, including, but not limited to, therapy targeting specific KRAS allele mutation inhibitors, pan-KRAS inhibitors, and other pan-RAS inhibitors 3. Participants with active leptomeningeal disease or uncontrolled, untreated brain metastasis. Participants with a history of treated and, at the time of screening, stable CNS metastases are eligible, provided they meet select criteria. 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. Participants with untreated chronic hepatitis B or chronic HBV carriers with HBV DNA ≥ 500 IU/mL (or ≥ 2500 copies/mL) at screening. Participants with active hepatitis C. 6. Participants with clinically significant infections (including tuberculosis infection) requiring systemic (oral or intravenous) antibacterial, antifungal, or antiviral therapy ≤ 14 days before the first dose of study treatment. 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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Asan Medical Center
SongpaGu, Seoul Teugbyeolsi, 05505, South Korea
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Auckland City Hospital
Auckland, 1023, New Zealand
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Beijing Cancer Hospital
Beijing, Beijing Municipality, 100142, China
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Blacktown Cancer and Haematology Centre
Blacktown, New South Wales, NSW 2148, Australia
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Cancer Hospital Chinese Academy of Medical Sciences
Beijing, Beijing Municipality, 100021, China
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Linear Clinical Research
Nedlands, Western Australia, WA 6009, Australia
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Monash Health
Clayton, Victoria, VIC 3168, Australia
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Peter Maccallum Cancer Centre
Melbourne, Victoria, VIC 3000, Australia
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Samsung Medical Center
GangnamGu, Seoul Teugbyeolsi, 06351, South Korea
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Seoul National University Bundang Hospital
Seongnam-si, Gyeonggi-do, 13620, South Korea
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Seoul National University Hospital
Seoul, Seoul Teugbyeolsi, 03080, South Korea
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Severance Hospital Yonsei University Health System
SeodaemunGu, Seoul Teugbyeolsi, 03722, South Korea
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Shanxi Provincial Cancer Hospital
Taiyuan, Shanxi, 030013, China
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Sidney Kimmel Comprehensive Cancer At Johns Hopkins
Baltimore, Maryland, 21287, United States
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The University of Texas Md Anderson Cancer Center
Houston, Texas, 77030-4009, United States
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University of Kansas Medical Center Research Institute
Kansas City, Kansas, 66160-8500, United States
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Usc Norris Comprehensive Cancer Center (Nccc)
Los Angeles, California, 90089-1019, United States
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