Phase Ib Study to Evaluate Safety and Tolerability of Trastuzumab Deruxtecan with Immunotherapy and Chemotherapy in Advanced or Metastatic HER2-Positive Non-Squamous NSCLC
Led by AstraZeneca · Updated on 2026-04-13
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Brief Title
Who Can Participate
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Your Study Journey
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Sponsors
A
AstraZeneca
Lead Sponsor
D
Daiichi Sankyo
Collaborating Sponsor
AI-Summary
What this Trial Is About
Researchers are evaluating the safety and tolerability of trastuzumab deruxtecan (T-DXd) combined with immunotherapy agents, with or without chemotherapy, in patients who have HER2 over-expressing non-small cell lung cancer (NSCLC). This phase Ib study focuses on advanced or metastatic non-squamous NSCLC patients, aiming to understand optimal dosing and safety profiles. The study is sponsored by AstraZeneca and includes multiple study parts to explore different drug combinations and regimens.
The trial includes several parts: Part 1 involved dose escalation of T-DXd with durvalumab plus cisplatin, carboplatin, or pemetrexed; Parts 3, 4, and 5 assess combinations of T-DXd with volrustomig or rilvegostomig, with or without carboplatin, in various dosing schedules. Patients receive the study drugs as intravenous infusions. Some parts involve randomization between arms with or without carboplatin, focusing on dose optimization in first-line treatment settings. Enrollment in some parts is closed, while others continue to explore safety and efficacy.
Participants undergo regular assessments including tumor measurements by RECIST 1.1, organ and bone marrow function tests, and monitoring of adverse events for about 20 months. The study measures safety outcomes like frequency of adverse events and serious adverse events, and secondary outcomes such as response rate, duration of response, disease control, progression-free survival, overall survival, and pharmacokinetics of the drugs. Immunogenicity of the treatments is also evaluated. Participants must have measurable disease and meet performance status criteria, with follow-up to assess treatment effects and safety.
CONDITIONS
Brief Title
Phase Ib Study of the Safety of T-DXd and Immunotherapy Agents With and Without Chemotherapy in Advanced or Metastatic HER2+, Non-squamous NSCLC
Who Can Participate
Age: 18Years +
All Genders
Eligibility Criteria
You may qualify if you...
Histologically confirmed unresectable locally advanced or metastatic non-squamous non-small cell lung cancer
Progression after 1 or 2 lines of systemic therapy for Part 1; treatment-nafve for advanced/metastatic disease in Parts 3, 4, and 5
Tumors must not have known genomic alterations or actionable driver kinases with approved therapies for Parts 3, 4, and 5
HER2 overexpression confirmed by central tumor tissue review
ECOG performance status of 0 or 1
Measurable disease by RECIST 1.1
Adequate organ and bone marrow function as defined by protocol
Minimum body weight of 35 kg for Parts 3, 4, and 5
You will not qualify if you...
Known HER2 mutation
History of non-infectious interstitial lung disease or pneumonitis requiring steroids, current ILD/pneumonitis, or suspected ILD/pneumonitis not ruled out by imaging
Lung-specific serious illnesses including prior pneumonectomy
Active primary immunodeficiency, known HIV infection, active or unresolved hepatitis B or hepatitis C infection
Active infection requiring intravenous antibiotics, antivirals, or antifungals
Untreated or symptomatic central nervous system metastases requiring corticosteroids or anticonvulsants
Ascites or pericardial effusion needing drainage or shunts
Active non-infectious skin diseases requiring systemic treatment or autoimmune/inflammatory disorders needing chronic immunosuppressive therapy
Unresolved toxicities above Grade 1 from previous anticancer therapy
Contraindications to platinum-based chemotherapy
Prior exposure to anti-PD-1, anti-PD-L1, anti-CTLA-4, anti-TIGIT, or other experimental immunotherapies
History of substance abuse or other medical/psychological conditions interfering with study participation
History of thromboembolic events within 3 months before first dose (including pulmonary embolism, deep vein thrombosis, cerebral venous sinus thrombosis)
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Your Study Journey
Screening
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person)
Treatment
Duration - Approximately 20 months
Participants receive treatment with combinations of T-DXd and immunotherapy agents, with or without chemotherapy, administered as IV infusions. Treatment includes various drug combinations such as T-DXd with durvalumab and cisplatin or carboplatin, or T-DXd with volrustomig or rilvegostomig, with or without carboplatin, depending on the assigned arm.
Regular visits for treatment and monitoring (frequency determined by protocol)
Follow-up
Duration - Up to 20 months
Participants are monitored for safety, tolerability, and treatment response after completion of treatment. This includes assessments of adverse events, response rate, progression-free survival, overall survival, pharmacokinetics, and immunogenicity.
Scheduled visits for safety and efficacy assessments