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Advanced Solid TumorPhase 1NCT07408258

Safety, Pharmacokinetics (PK), and Efficacy of ONC-783 in Advanced Solid Tumors

A Phase 1 study testing ONC-783 in people with Advanced Solid Tumor, run by OncoC4, Inc. at 3 sites in United States.

Recruiting

Looking for participants now. Contact the study team or a site below to ask about taking part.

Sites and contacts
Official record
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Trial summary

ONC-783-001 is a Phase I open label, dose-escalation study for evaluating the safety, pharmacokinetics (PK) and efficacy of ONC-783 as a single agent in patients with advanced/metastatic solid tumors, focusing on colorectal cancer, ovarian cancer, pancreatic cancer, or breast cancer. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Advanced Solid Tumor
What is being tested?
ONC-783
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
20 participants
Where
3 sitesUnited States
Study dates
10 Aug 2026to 1 Aug 2028
Phase
Phase 1
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Age ≥ 18 yrs old.
  • Male or Female
  • Must have ECOG score ≤ 1. The body weight should be ≥40 kg. The life expectance should be estimated ≥ 12 weeks.
  • A histological or cytological diagnosis of metastatic or locally advanced pancreatic cancer, ovarian cancer, colorectal cancer, or breast cancer.
  • Must have measurable target lesion according to RECIST V1.1.
  • Adequate organ function as determined by laboratory tests.
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  • Voluntary agreement to participate as evidenced by written informed consent.
  • Female patient of childbearing potential: negative pregnancy test and agreement on highly effective contraceptive methods.
  • Male patient: agreement on contraceptive methods.

Who cannot join

  • Patients who have not recovered to NCI CTCAE Grade ≤ 1 from an adverse event (AE) due to cancer therapeutics except the Grade ≤ 2 chemotherapy-associated peripheral neuropathy (motor or sensory) or alopecia. Patients with ongoing and adequately controlled Grade ≤ 2 endocrine immune-related AEs are considered stable and eligible for enrollment.
  • The washout period for cancer therapeutic drugs (such as chemotherapy, radiation or targeted therapy) is 21 days 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 is allowed. Best supportive care, such as thyroxine, insulin, steroid replacement treatment, growth factors 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 are eligible if brain metastases are adequately treated or not felt to require local treatment (i.e. < 10 mm asymptomatic) 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 that they are radiologically stable, 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.
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  • Patient has history of Grade ≥3 allergic or hypersensitivity to SC injected medications, or severe allergic reactions to food, pollen, oral medications, or atopic dermatitis or asthmatic episodes that required hospitalization.
  • QTcF (QT interval corrected for heart rate using Fridericia formula) >480 msec on screening ECG
  • Within past 6 months with history of significant cardiovascular events including acute myocardial infarction, acute coronary syndrome, ischemic or hemorrhagic stroke, heart failure NYHA class III or IV, or revascularization procedures.
  • Patients who have acute infections which require systemic IV drug treatments within 7 days prior to C1D1. Oral drug or prophylaxis treatment is allowed.
  • Patients who, in the opinion of the treating Investigator, have a history or current evidence of any medical or psychiatric conditions that would limit their ability to comply with all aspects of the trial or on a therapy, or with a significant 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. Investigators should discuss the case with the Sponsor.
  • Patients who are pregnant or breastfeeding, or who intend to become pregnant or father a child during the study or within 6 months after the last dosing of study drug.

Trial locations and contacts

3 sites in 1 country. Contact the study team or a site near you to ask about taking part.

Pan Zheng, MD, PhD contact

(202) 751-6823

pzheng@oncoc4.com

Yao Wang, MD, MS contact

(973) 873-8678

ywang@oncoc4.com

United States3 sites, 3 recruiting
  • MD Anderson Cancer Center

    Houston, Texas, 77030

    Stephane Champiat, MD, PhD

    Recruiting
  • Columbia University Medical Center

    New York, New York, 10032

    Aiwu Ruth He, MD, PhD

    Recruiting
  • University of Pennsylvania Abramson Cancer Center

    Philadelphia, Pennsylvania, 19104

    Saya L Jacob, MD

    Not yet recruiting

Other trials in United States

About this study

Official title: A Multicenter, Open-label Study to Evaluate the Safety, Pharmacokinetics (PK), and Efficacy of ONC-783 in Advanced Solid Tumors

ONC-783-001 is a Phase I open label, dose-escalation study for evaluating the safety, pharmacokinetics (PK) and efficacy of ONC-783 as a single agent in patients with advanced/metastatic solid tumors, focusing on colorectal cancer, ovarian cancer, pancreatic cancer, or breast cancer.

Read the detailed description

This is a first in human study on a novel bispecific antibody, ONC-783, targeting cancer specific neoantigen CD24 on tumor cells and CD3 on T cells. CD24 is over-expressed in about 70% of solid tumors and hematological malignancies. CD24 overexpression is associated with poor prognosis. Cancer-specific neo-CD24 epitope will distinguish malignant CD24 from physiological CD24. This study is a multi-level dose escalation study with ONC-783 to test the safety, PK, and efficacy in patients with solid tumors.

Being tested
ONC-783

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • ONC-783Drug

    Also called Bispecific antibody against CD24 and CD3

    ONC-783 is a bispecific humanized monoclonal antibody targeting CD24 and CD3.

Study groups in NCT07408258
Study groupRoleWhat they receive
ONC-783ExperimentalONC-783 will be given by SC injection with designated dose levels at Day 1 of each cycle. The cycle 1 will be 28 days and the subsequent cycles will be once every 2 weeks.
Receives: Drug: ONC-783

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Recommended Phase 2 dose (RP2D)

    Recommended Phase 2 dose of the study drug ONC-783

    Measured: 24 Months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted13 Feb 2026
  2. Study start10 Aug 2026
  3. Primary completion1 Aug 2027 (estimated)
  4. Study completion1 Aug 2028 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Sequential
Masking
None (open label)
Enrolment
20 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT07408258
Sponsor's protocol ID
ONC-783-001
Status last verified
Sep 2026
First submitted
6 Feb 2026
Last updated
8 Sep 2026
Results posted
No
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing ONC-783 in people with Advanced Solid Tumor, run by OncoC4, Inc. at 3 sites in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 9 inclusion and 12 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: looking for participants now, as of the sponsor's last update on 8 Sep 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 3 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

Contact Pan Zheng, MD, PhD ((202) 751-6823, pzheng@oncoc4.com), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Recommended Phase 2 dose (RP2D) (time frame: 24 Months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 8 Sep 2026.

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