New cancer antibody ONC-841 enters human trials
NCT ID NCT06352359
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-stage trial tests a new drug called ONC-841 in people with advanced solid tumors that have spread. The drug is an antibody designed to help the immune system attack cancer cells. The study will first find a safe dose, then test it alone and with standard treatments for brain and colorectal cancers.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- ONC-841 (an antibody that targets SIGLEC10 to help the immune system fight cancer)
- What this could lead to
- If successful, this could point toward a new treatment option for advanced solid tumors like glioblastoma and colorectal cancer.
- What could go wrong
- This is an early Phase 1/2 trial with only 72 participants, so it is too soon to know if ONC-841 is safe or effective. Side effects and lack of benefit are possible.
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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About 72 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2024
- Expected to finish
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Sep 2027
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.
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: * Must have ECOG score ≤ 1. The body weight should be ≥40 kg. * A histological or cytological diagnosis of solid tumors and metastatic disease or locally advanced disease. * Must have measurable target lesion according to RECIST V1.1. * Adequate organ function as determined by laboratory tests. * Voluntary agreement to participate as evidenced by written informed consent. * Female patient: negative pregnancy test and agreement on contraceptive methods. * Male patient: agreement on contraceptive methods. * Agree to give archival or other diagnostic tissue recut slides or an optional new tumor biopsy. Exclusion Criteria: * Patients who have not recovered to NCI CTCAE grade ≤ 1 from an adverse event (AE) due to cancer therapeutics except the chemotherapy-associated peripheral neuropathy (motor or sensory) or alopecia. Patients with ongoing and adequately controlled endocrine immune-related AEs are considered stable and eligible for enrollment. * The washout period for cancer therapeutic drugs should be 5 half-life or 21 days for chemotherapy, whichever is shorter; or 28 days for monoclonal antibody therapy. Palliative radiotherapy for painful metastases or metastases in potentially sensitive locations (e.g., epidural space) ≥ 7 days prior to the first dose of study drug. Best supportive care, such as thyroxine, insulin, steroid replacement treatment, blood transfusion and therapy for non-cancer conditions are allowed. * Patients who are currently enrolled in any other clinical trial testing an investigational agent or device, or with concurrent anticancer treatment (except palliative bone-directed radiotherapy), immune therapy, or cytokine therapy or anticipated to require another antineoplastic therapy during the study. * Patients who are on chronic systemic steroid therapy at doses higher than 10 mg/day prednisone or equivalent within 7 days before first treatment. * Patients who have active brain metastases or leptomeningeal metastases. Patients who have active brain metastases or leptomeningeal metastases. Patients are eligible if brain metastases are adequately treated, and patients are asymptomatic or neurologically stable (except for residual signs or symptoms related to the central nervous system (CNS) treatment). Note: Patients with previously treated brain metastases may participate provided they are radiologically stable (i.e. no evidence of progression for ≥4 weeks by repeat imaging performed during study screening), clinically stable, and not requiring steroid treatment within 14 days before the first dose of study treatment. * Patient with a different cancer other than the one treated under this protocol, which requires systemic treatments within 24 months prior to C1D1. * Patient has history of grade ≥3 allergic or hypersensitivity to IV infusion medications, or severe allergic reactions to food, pollen, oral medications, or atopic dermatitis or asthmatic episodes that required hospitalization. * Within past 6 months with history of significant cardiovascular acute myocardial infarction, acute coronary syndrome, ischemic or hemorrhagic stroke, revascularization procedures, acute pulmonary embolism or any disorders resulted in LVEF \< 40% at the time of screening or colitis, small bowel obstruction, hepatitis or pancreatitis adrenal insufficiency, or severe immunotherapy related AE (irAE≥ grade 3). * Patients who have acute infections which require systemic treatments within 14 days prior to C1D1. * Patients who, in the opinion of the treating Investigator, have a history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the study, interfere with the patient's participation for the full duration of the study, or make study participation not in the best interest of the patient, in the opinion of the treating Investigator. Investigators should discuss the case with the Sponsor and/or study leaders. * Patients with known psychiatric or substance abuse disorders may interfere with cooperation with the requirements of the trial. * Patients who are pregnant or breastfeeding or plan pregnancy or fathering the child during the study or within 6 months after the last dosing of study drug
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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
8 sites. 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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AdventHealth Medical Group Oncology Research at Celebration
RECRUITINGKissimmee, Florida, 34747, United States
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Huntsman Cancer Institute, University of Utah
RECRUITINGSalt Lake City, Utah, 84112, United States
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MD Anderson Cancer Center
RECRUITINGHouston, Texas, 770360, United States
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Norton Cancer Center
RECRUITINGLouisville, Kentucky, 40202, United States
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Rogel Cancer Center, University of Michigan
RECRUITINGAnn Arbor, Michigan, 48109, United States
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Thomas Jefferson University Hospital
RECRUITINGPhiladelphia, Pennsylvania, 19107, United States
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UF Health Cancer Center, University of Florida
RECRUITINGGainesville, Florida, 32610, United States
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University of California at Davis Cancer Center
RECRUITINGSacramento, California, 95817, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- First-in-Human trial asks whether HG381 is safe and tolerable in advanced solid tumors
- Custom-Built immune cells take aim at a notorious cancer mutation
- Experimental injection SHR-7787 put to the test against advanced solid tumors
- Experimental biologic AWT020 put to the test in Hard-to-Treat cancers
- Can a pill shrink Hard-to-Treat ovarian tumors?
- Oral drug RVU120 put to the test against advanced solid tumors