New antibody drug conjugate tested against advanced cancers
NCT ID NCT06005740
First seen Sep 21, 2026 · Last updated Sep 21, 2026
Summary
Researchers are running a first-in-human phase 1 study of TORL-4-500, an antibody drug conjugate, in adults with advanced solid tumors, including hepatocellular carcinoma. The study has two parts: one to find the highest safe dose and the recommended dose for later trials, and another to look at how well the drug shrinks tumors. Participants receive TORL-4-500 and are monitored for side effects, tumor response, and how the body processes the drug.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- an antibody drug conjugate called TORL-4-500
- What this could lead to
- If it works, this could point toward a new targeted treatment option for people with advanced solid tumors, including liver cancer.
- What could go wrong
- This is a first-in-human phase 1 study with about 70 participants, so its main goal is safety and dosing, not proof of benefit. Many experimental cancer drugs at this stage do not move forward, and antibody drug conjugates can cause serious side effects.
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 70 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2023
- Expected to finish
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May 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: * Advanced solid tumor * Measurable disease, per RECIST v1.1 * Eastern Cooperative Oncology Group (ECOG) performance status 0-1 * Adequate organ function Exclusion Criteria: * Has not recovered \[recovery is defined as NCI CTCAE, version 5.0, grade ≤1\] from the acute toxicities of previous therapy, except treatment-related alopecia or laboratory abnormalities otherwise meeting eligibility requirements * Received prior chemotherapeutic, investigational, or other therapies for the treatment of cancer within 14 days with small molecule and within 28 days with biologic before the first dose of TORL-4-500 * Progressive or symptomatic brain metastases * Serious, uncontrolled medical disorder, nonmalignant systemic disease, or active, uncontrolled infection * History of significant cardiac disease * History of myelodysplastic syndrome (MDS) or AML * History of another cancer within 3 years before Day 1 of study treatment, with the exception of basal or squamous cell carcinoma of the skin that has been definitively treated. A history of other malignancies with a low risk of recurrence, including appropriately treated ductal carcinoma in situ (DCIS) of the breast and prostate cancer with a Gleason score less than or equal to 6, are also not excluded * If female, is pregnant or breastfeeding
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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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Florida Cancer Specialists Lake Nona Drug Development Unit
Orlando, Florida, 32827, United States
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Mayo Clinic Jacksonville
Jacksonville, Florida, 32224, United States
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Mayo Clinic Phoenix
Phoenix, Arizona, 85054, United States
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Mayo Clinic Rochester
Rochester, Minnesota, 55905, United States
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McGill University Health Centre
Montreal, Quebec, H4A 3J1, Canada
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Providence Medical Foundation
Fullerton, California, 92835, United States
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Torrance Memorial Physician Network
Torrance, California, 90505, United States
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UCLA - JCCC Clinical Research Unit
Los Angeles, California, 90095, United States
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University Health Network, Princess Margaret Cancer Centre
Toronto, Ontario, M5G 2M9, Canada
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Virginia Cancer Specialists
Lexington, Virginia, 22031, United States
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