New bispecific antibody D3L-002 enters first human trial for Hard-to-Treat cancers
NCT ID NCT07667842
First seen Jun 27, 2026 · Last updated Sep 18, 2026 · Updated 1 time
Summary
This Phase 1 trial tests D3L-002, a new drug that targets two immune checkpoints (TIGIT and PVRIG) to help the immune system fight cancer. It is for 24 adults with advanced solid tumors that have not responded to standard treatments. The main goals are to check safety, find the right dose, and see early signs of tumor shrinkage.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- D3L-002 (a bispecific antibody that targets two immune checkpoints, TIGIT and PVRIG)
- What this could lead to
- If this early trial shows safety and hints of tumor shrinkage, it could lead to a new treatment option for people with advanced solid tumors that have stopped responding to other therapies.
- What could go wrong
- This is a very early Phase 1 study with only 24 people, focused on safety and dosing. It is too soon to know if D3L-002 will work against cancer, and it may cause side effects or show no benefit.
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 24 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2026
- Expected to finish
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Feb 2028
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: 1. Ability to provide written informed consent and comply with study procedures 2. Age ≥18 years 3. Histologically confirmed metastatic or locally advanced incurable solid tumor that has progressed after ≥1 line of therapy or has no available standard treatment 4. Eastern Cooperative Oncology Group (ECOG) performance status 0-1 5. Adequate organ function (hematologic, hepatic, renal) 6. Life expectancy ≥12 weeks 7. Willingness to provide tumor tissue (if available) and blood samples 8. Agreement to use effective contraception 9. Negative pregnancy test for participants of childbearing potential Exclusion Criteria: 1. Prior anti-TIGIT or anti-PVRIG therapy 2. Recent anticancer therapy without adequate washout 3. Active or uncontrolled illness 4. Interstitial lung disease/pneumonitis 5. Active Central Nervous System (CNS) disease 6. Uncontrolled effusions 7. Unresolved ≥Grade 2 toxicities 8. Severe prior immunotherapy-related toxicity 9. Active autoimmune disease 10. Active infection 11. Active hepatitis B/C or HIV 12. Recent malignancy (exceptions apply) 13. Significant cardiovascular disease 14. Immunosuppressive therapy within 14 days 15. Live vaccine within 30 days 16. Pregnancy or breastfeeding 17. Hypersensitivity to study drug 18. Investigator-determined unsuitability
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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
6 sites in 2 countries. 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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D3 Bio Investigative Site 1101
RECRUITINGMacquarie Park, 2109, Australia
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D3 Bio Investigative Site 1102
RECRUITINGNedlands, 6009, Australia
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D3 Bio Investigative Site 1201
RECRUITINGSeoul, 06591, South Korea
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D3 Bio Investigative Site 1202
RECRUITINGSeoul, 03080, South Korea
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D3 Bio Investigative Site 1203
RECRUITINGSeoul, 03722, South Korea
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D3 Bio Investigative Site 1204
RECRUITINGCheongju-si, 28644, South Korea
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