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Large Cell Neuroendocrine Carcinoma of the LungPhase 2ALPINE 2NCT07561645

A Trial for the Treatment of Advanced Large-Cell Neuroendocrine Cancer of the Lung

A Phase 2 study testing Obrixtamig in people with Large Cell Neuroendocrine Carcinoma of the Lung, run by Technische Universität Dresden.

Not yet recruiting

Opening soon. The study is approved but enrolment has not started yet. Sites may already take enquiries.

Sites and contacts
Official record
Search all trials

Trial summary

This phase II clinical trial evaluates the efficacy, safety and tolerability of Obrixtamig in addition to standard of care chemotherapy (Platinum/Etoposide) in LCNEC. Read more about this study

Who is it for?
Ages 18 years and older
What is being tested?
Obrixtamig
Could I receive a placebo?
No, everyone receives an active treatment
How many people
75 participants
Where
No sites listed yet
Study dates
Sep 2026to Apr 2032
Phase
Phase 2
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

  • Patient has provided written informed consent and is able to consent
  • 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%
  • Patients with locally advanced or metastatic disease without curative treatment options
  • 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.
  • Measurable disease according to RECIST v1.11

Who cannot join

  • 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.)
  • Known leptomeningeal disease
  • Any prior systemic treatment for metastatic disease, except for one cycle of SoC as described under inclusion criteria
  • Previous treatment with obrixtamig or any anti-DLL3 compound including T-cell engagers and antibody-drug conjugates

Trial locations and contacts

No sites are listed yet. Contact the study team or a site near you to ask about taking part.

Martin Wermke, Prof. Dr. med. contact

+49 351 7566

martin.wermke@ukdd.de

Felix Carl Saalfeld, Dr. med. contact

felix.saalfeld@ukdd.de

About this study

Official title: A Phase II, Single-arm Trial on the Addition of the DLL3xCD3 Bispecific T-cell Engager Obrixtamig (BI 764532) to Standard-of-care Platinum-based First-line Treatment of Advanced Large-cell Neuroendocrine Carcinoma of the Lung

This phase II clinical trial evaluates the efficacy, safety and tolerability of Obrixtamig in addition to standard of care chemotherapy (Platinum/Etoposide) in LCNEC.

Being tested
Obrixtamig
Keywords
lung cancer, LCNEC, lung carcinoma, neuroendocrine carcinoma
Medical subject headings
Lung Neoplasms, Carcinoma, Neuroendocrine

What participants receive

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

  • ObrixtamigDrug

    Obrixtamig (IMP) will be added to Platinum/Etoposide (Standard-of-Care). Three cycles of combined immunochemotherapy 3qw will be followed by maintenance with obrixtamig monotherapy until progression.

Study groups in NCT07561645
Study groupRoleWhat they receive
Obrixtamig/Platinum/EtoposideExperimentalObrixtamig/Platinum/Etoposide. Platinum will be carboplatin.
Receives: Drug: Obrixtamig

What is being measured

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

  1. Overall Survival (OS)

    To assess the efficacy of Obrixtamig in addition to standard of care chemotherapy (Platinum/Etoposide) in LCNEC as measured by overall survival.

    Measured: app. 69 months

Secondary outcomes (6)
  1. Objective Response Rate (ORR)

    defined as PR or CR according to RECIST v1.1 as assessed by local investigator

    Measured: app. 69 months

  2. Progression-Free Survival (PFS)

    defined as time from first application of obrixtamig to progression according to RECIST v1.1, or to start of any other anticancer treatment, or death from any cause whichever occurs first

    Measured: app. 69 months

  3. Duration Of Response (DOR)

    defined as time from first documented PR or CR according to RECIST v1.1 to time of disease progression according to RECIST v1.1 or death from any cause, whichever occurs first

    Measured: app. 69 months

  4. Disease Control Rate (DCR)

    defined as combination of CR, PR and SD according to RECIST v1.1

    Measured: app. 69 months

  5. immune Objective Response Rate (iORR)

    immune ORR (iORR) defined as iPR or iCR according to iRECIST

    Measured: app. 69 months

  6. immune Progression Free Survival (iPFS)

    defined as time from first application of obrixtamig to progression according to iRECIST, clinical progression with change of treatment or death from any cause, whichever occurs first

    Measured: appr. 69 months

Timeline

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

  1. First posted1 May 2026
  2. Study startSep 2026 (estimated)
  3. Primary completionApr 2032 (estimated)
  4. Study completionApr 2032 (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 2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
75 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT07561645
Sponsor's protocol ID
TUD-ALPIN2-089
Other IDs
2025-524345-28-00, 2025
Acronym
ALPINE 2
Status last verified
Aug 2026
First submitted
15 Apr 2026
Last updated
26 Aug 2026
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Obrixtamig in people with Large Cell Neuroendocrine Carcinoma of the Lung, run by Technische Universität Dresden.

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 5 inclusion and 4 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: opening soon, as of the sponsor's last update on 26 Aug 2026. Status can change between updates, so confirm with the study contact before making plans.

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 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

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 Martin Wermke, Prof. Dr. med. (+49 351 7566, martin.wermke@ukdd.de), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Overall Survival (OS) (time frame: app. 69 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 26 Aug 2026.

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