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NCT05899608PHASE3RECRUITING2 endpoints open for prediction

Clinical Study of Ivonescimab for First-line Treatment of Metastatic NSCLC Patients

A Randomized, Double-blind, Multiregional Phase 3 Study of Ivonescimab Combined With Chemotherapy Versus Pembrolizumab Combined With Chemotherapy for the First-line Treatment of Metastatic Non-small Cell Lung Cancer (HARMONi-3)

Sponsor: Summit Therapeutics

Open for Predictions · 2 endpoints

NCT05899608Hazard Ratio for Overall Survival (OS)Primary

A Hazard Ratio below 1.0 favours the treatment arm. HR 0.75 means a 25% reduction in the risk of death.

Prediction range: 0.41.2 Hazard Ratio
NCT05899608Hazard Ratio for Progression-Free Survival (PFS)Primary

A Hazard Ratio below 1.0 favours the treatment arm. HR 0.65 means a 35% reduction in the risk of progression or death.

Prediction range: 0.31.1 Hazard Ratio

Key Facts

Study type
INTERVENTIONAL
Conditions
Non-Small Cell Lung Cancer
Interventions
Ivonescimab Injection, Pembrolizumab Injection
Enrollment
1,600 participants
Primary completion
Dec 2028
Study completion
Dec 2029
First posted
Jun 2023
Last updated
Apr 2026

Primary Endpoints (CT.gov)

Overall Survival (OS)

Time frame: approximately 4 years

Progression Free Survival (PFS)

Time frame: approximately 3 years

Secondary Endpoints

Adverse Event (AE)

Eligibility Criteria

Inclusion Criteria: * Age ≥ 18 years old at the time of enrollment * Eastern Cooperative Oncology Group (ECOG) performance status score of 0 or 1 * Expected life expectancy ≥ 3 months * Metastatic (Stage IV) NSCLC * Histologically or cytologically confirmed squamous or non-squamous NSCLC * Recorded measurement of the Tumor Proportion Score (TPS) or Tumor Cells (TC) for PD-L1 expression, irrespective of the PD-L1 expression, prior to randomization * At least one measurable noncerebral lesion according to RECIST 1.1 * No prior systemic treatment for metastatic NSCLC Exclusion Criteria: * Histologic or cytopathologic evidence of the presence of small cell lung carcinoma * Known actionable genomic alterations (EGFR, ALK, ROS1, and BRAF V600E) or genes for which first-line approved therapies are available. * For non-squamous histology patients, actionable driver mutation testing results are required before randomization. * Has received any prior therapy for NSCLC in the metastatic set

Read full criteria on CT.gov →

✦ Analyst Commentary

Expert commentary on why this trial matters and what to watch for.

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Source

Open on ClinicalTrials.gov

Related Program

Ivonescimab

Summit Therapeutics / Akeso

View program page →