Skip to content

Beamion LUNG-3: Adjuvant Zongertinib vs Standard Treatment in People With Completely Resected Stage II-IIIB NSCLC Harboring Activating HER2 TKD Mutations

Beamion LUNG-3: A Randomized, Controlled, Multi-center Trial Evaluating Zongertinib as an Adjuvant Monotherapy Compared With Standard of Care in Patients With Early-stage, Resectable Non-small Cell Lung Cancer (Stage II-IIIB) Harboring Tyrosine Kinase Domain Activating HER2 Mutations

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07195695
Enrollment
400
Registered
2025-09-29
Start date
2026-01-16
Completion date
2036-09-02
Last updated
2026-09-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Non-small Cell Lung Cancer

Brief summary

Beamion LUNG-3 study evaluates whether zongertinib, an oral HER2-targeted treatment, can improve outcomes compared with standard adjuvant treatment in adults with completely resected Stage II-IIIB non-small cell lung cancer (NSCLC) whose tumors have activating HER2 tyrosine kinase domain (TKD) mutations. Eligible participants must have undergone curative-intent surgery and received guideline-appropriate perioperative systemic therapy, either neoadjuvant platinum-based chemotherapy with or without immunotherapy, or adjuvant platinum-based chemotherapy. Participants are randomized 1:1 to receive zongertinib or standard of care, which may consist of approved adjuvant immunotherapy or active surveillance, based on local practice guidelines. The main purpose of the study is to determine whether zongertinib can prolong disease-free survival compared to standard treatment. Safety and patient-reported outcomes are also assessed.

Detailed description

This is a global, randomized, open-label, Phase 3 study designed to assess the efficacy and safety of zongertinib as adjuvant therapy in participants with completely resected Stage II-IIIB NSCLC and HER2 TKD-activating mutations. Participants must have undergone complete resection and received perioperative systemic therapy consistent with current standards, including either neoadjuvant platinum-based chemotherapy with or without immunotherapy, or adjuvant platinum-based chemotherapy. After completing surgery and required systemic treatment, eligible participants are randomized 1:1 to receive either Zongertinib taken orally once daily for up to 3 years, or standard treatment, which may include an approved adjuvant immunotherapy agent administered according to its label, or observation, depending on local clinical practice and patient status. The primary objective is to evaluate whether zongertinib improves disease-free survival (DFS) compared with standard treatment. Secondary objectives include overall survival (OS), safety, tolerability, and patient-reported outcomes.

Interventions

Zongertinib

DRUGPembrolizumab

Pembrolizumab

DRUGAtezolizumab

Atezolizumab

DRUGDurvalumab

Durvalumab

DRUGNivolumab

Nivolumab

Sponsors

Boehringer Ingelheim
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Signed and dated written informed consent in accordance with ICH-GCP and local legislation prior to admission to the trial 2. Patients must be ≥18 years old or over the legal age of consent in their country 3. Male or female patients. Women of childbearing potential (WOCBP) must be ready and able to use dual highly effective methods of birth control per ICH M3 (R2) that result in a low failure rate of less than 1% per year when used consistently and correctly. A list of contraception methods meeting these criteria is provided in the patient information and in the study protocol 4. HER2 mutation: Documented Tyrosine kinase domain (TKD) activating Human epidermal growth factor receptor 2 (HER2) mutations 5. Histology and tumor sample: Histologically confirmed diagnosis of primary NSCLC 6. An archival tumor tissue sample must be submitted to the central laboratory after inclusion of the patient to retrospectively confirm the HER2 status 7. Staging: Pretherapeutic classification not exceeding Stage IIIB 8. Performance status and organ function: * Eastern Cooperative Oncology Group (ECOG) score of 0 or 1 * Adequate organ function based on laboratory values Further inclusion criteria apply.

Exclusion criteria

1. Diagnosis of NSCLC with mixed histology/positive neuroendocrine markers (synaptophysin/CD56) 2. Major surgery (major according to the investigator's assessment) performed within 4 weeks prior to randomization 3. Treatment with radiation therapy for primary NSCLC 4. Co-occurring actionable mutation with approved targeted therapy (e.g. Epidermal growth factor receptor (EGFR) or Anaplastic lymphoma kinase (ALK)) 5. Any investigational drug within 5 half-lives of the compound or any of its related material, if known 6. History or presence of * Active or known pre-existing or history of non-infectious interstitial lung disease/pneumonitis * Active infectious disease requiring systemic therapy * Uncontrolled gastrointestinal disorders affecting drug intake/absorption * Previous or concomitant malignancies within the last 3 years, except certain effectively treated cancers * Significant and/or uncontrolled cardiovascular abnormalities, QT interval corrected for heart rate by Fridericia formula (QTcF) \>470 msec, or ejection fraction \<50% Further

Design outcomes

Primary

MeasureTime frameDescription
Disease-free survival (DFS) by investigator's assessmentup to 8 years and 5 monthsDFS is defined as the time from randomization until recurrence of tumor or death from any cause, whichever occurs earlier

Secondary

MeasureTime frameDescription
Key secondary endpoint: Overall survival (OS), defined as the time from randomization until death from any causeup to 8 years and 5 months
Occurrence of trial-related Adverse Events (AEs) ≥ Grade 3 from first treatment administration (or from randomization for patients in the observation arm) until the earliest of tumor recurrence or 3 years since treatment startup to 3 yearsAEs are graded according to Common Terminology Criteria for Adverse Events (CTCAE) version 5.0

Countries

Argentina, Australia, Austria, Belgium, Brazil, Canada, Chile, China, Denmark, France, Germany, Greece, Hong Kong, Israel, Italy, Japan, Mexico, Netherlands, Portugal, Romania, Singapore, South Korea, Spain, Sweden, Taiwan, Turkey (Türkiye), United Kingdom, United States

Contacts

CONTACTBoehringer Ingelheim
clintriage.rdg@boehringer-ingelheim.com1-800-243-0127

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Sep 18, 2026