New drug cocktail aims to tame rare lung cancer
NCT ID NCT07561645
First seen Jun 27, 2026 · Last updated Aug 27, 2026 · Updated 2 times
Summary
This study tests whether adding a new drug, obrixtamig, to standard chemotherapy can help people with a rare and aggressive lung cancer called large-cell neuroendocrine carcinoma (LCNEC). The trial will include 75 adults with advanced LCNEC that cannot be cured by surgery. Researchers will measure how long patients live and how well the cancer responds to treatment.
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 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 75 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Sep 2026
An estimate. Start dates often move.
- Expected to finish
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Apr 2032
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: (main criteria) 1. Patient has provided written informed consent and is able to consent 2. Patients with pulmonary large-cell neuroendocrine carcinoma (LCNEC) defined by local histology and immunohistochemistry; patients with mixed histology are eligible if LCNEC is the predominant histology, i.e. ≥50% 3. Patients with locally advanced or metastatic disease without curative treatment options 4. All patients must have received one, but not more than one, cycle of platinum/etoposide chemotherapy with or without immune checkpoint inhibitor (standard-of-care; SoC). Other than that, patients must be previously untreated with systemic therapy. 5. Measurable disease according to RECIST v1.11 Exclusion Criteria: (main criteria) 1. Symptomatic brain metastases (Patients with asymptomatic brain metastases are allowed provided they are clinically stable, receiving no or a stable dose of anticonvulsants without steroid treatment for at least 3 weeks.) 2. Known leptomeningeal disease 3. Any prior systemic treatment for metastatic disease, except for one cycle of SoC as described under inclusion criteria 4. Previous treatment with obrixtamig or any anti-DLL3 compound including T-cell engagers and antibody-drug conjugates
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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 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.
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Radioactive drug targets tough lung cancers in early trial
- New hope for Chemo-Resistant lung cancers?
- Immunotherapy plus chemo shows promise for rare lung cancer