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Study of Dato-DXd Plus Pembrolizumab vs Pembrolizumab Alone in the First-line Treatment of Subjects With Advanced or Metastatic NSCLC Without Actionable Genomic Alterations

PHASE3RECRUITING

This study is designed to assess the efficacy and safety of datopotamab deruxtecan (Dato-DXd) in combination with pembrolizumab versus pembrolizumab alone in participants with advanced or metastatic non-small cell lung cancer (NSCLC).

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Study details:

The primary objective of the study is to compare the efficacy of Dato-DXd and pembrolizumab with pembrolizumab alone in terms of either Progression Free Survival (PFS) or Overall Survival (OS) for participants with advanced or metastatic NSCLC without actionable genomic alterations whose tumor has high programmed death-ligand 1 (PD-L1) expression (tumor proportion score; TPS ≥50%) and who have not previously received systemic therapy for advanced or metastatic NSCLC. Eligible participants will be randomized in a 1:1 ratio to the control arm (pembrolizumab alone) or the experimental arm (Dato-DXd and pembrolizumab). The study will be divided into 4 periods: Tissue Screening Period, Screening Period, Treatment Period, and Follow-up Period.

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Eligibility criteria

Researchers look for people who fit a certain description, called eligibility criteria. See if you qualify.

Inclusion criteria

Sign and date the Tissue Screening and Main Informed Consent Forms, prior to the start of any study-specific qualification procedures.

Adults ≥18 years or the minimum legal adult age (whichever is greater) at the time of informed consent.

Histologically documented NSCLC that meets all of the following criteria: 1. Stage IIIB or IIIC disease and not candidates for surgical resection or definitive chemoradiation, or Stage IV NSCLC disease at the time of randomization (based on the American Joint Committee on Cancer, Eighth Edition). Participants with early-stage NSCLC who have relapsed should be restaged during screening to ensure their eligibility for the study. 2. Documented negative test results for epidermal growth factor receptor (EGFR), lymphoma kinase (ALK), and proto-oncogene1 (ROS1) actionable genomic alterations based on analysis of tumor tissue. 3. No known actionable genomic alterations in neurotrophic tyrosine receptor kinase (NTRK), proto-oncogene B-raf (BRAF), rearranged during transfection (RET), mesenchymal-epithelial transition factor (MET), or other actionable driver kinases with locally approved therapies.

Has provided a formalin-fixed tumor tissue sample for the measurement of trophoblast cell surface protein 2 (TROP2) protein expression and for the assessment of other exploratory biomarkers.

Tumor has high programmed death receptor-1 (PD-L1) expression (TPS ≥50%) as determined by PD-L1 immunohistochemistry (IHC) 22C3 pharmDx assay by central testing (minimum of 6 slides).

Has an adequate treatment washout period before Cycle 1 Day 1.

Measurable disease based on local imaging assessment using RECIST Version 1.1.

Has left ventricular ejection fraction (LVEF) ≥50% by either an echocardiogram (ECHO) or multigated acquisition scan (MUGA) within 28 days before randomization.

Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 or 1 at screening.

Has a life expectancy of at least 3 months.

Adequate bone marrow function within 7 days before randomization.

Exclusion criteria

Has received prior systemic treatment for advanced or metastatic NSCLC.

Has received prior treatment for NSCLC with any of the following, including in the adjuvant/neoadjuvant setting: 1. Any agent, including an antibody-drug conjugate, containing a chemotherapeutic agent targeting topoisomerase I. 2. TROP2-targeted therapy. 3. Any anti-programmed death receptor-1 (PD-1), anti-PD-L1, or anti-PD-ligand 2 (L2) agent or with an agent directed to another stimulatory or co-inhibitory T-cell receptor (eg, CTLA-4, OX40, CD137). 4. Any other immune checkpoint inhibitors. Participants who received adjuvant or neoadjuvant therapy OTHER than those listed above, are eligible if the adjuvant/neoadjuvant therapy was completed at least 6 months prior to the diagnosis of advanced/metastatic disease.

Has spinal cord compression or active and untreated central nervous system (CNS) metastases and/or carcinomatous meningitis. Participants with previously treated brain metastases may participate provided they are radiologically stable.

Has received prior radiotherapy ≤4 weeks of start of study intervention or more than 30 Gy (unit of ionizing radiation dose in the International System of Units) to the lung within 6 months of Cycle 1 Day 1.

History of another primary malignancy (beyond NSCLC) except for: 1. Malignancy treated with curative intent and with no known active disease ≥3 years before the first dose of study treatment and of low potential risk for recurrence. 2. Adequately treated non-melanoma skin cancer or lentigo maligna without evidence of disease. 3. Adequately treated carcinoma in situ without evidence of disease. 4. Participants with a history of prostate cancer (tumor/node/metastasis stage) of Stage ≤T2cN0M0 without biochemical recurrence or progression and who in the opinion of the Investigator are not deemed to require active intervention.

Has a history of (non-infectious) interstitial lung disease (ILD)/pneumonitis including radiation pneumonitis that required steroids, has current ILD/pneumonitis, or where suspected ILD/pneumonitis cannot be ruled out by imaging at screening.

Clinically severe pulmonary compromise, as judged by the investigator, resulting from intercurrent pulmonary illnesses including, but not limited to, any underlying pulmonary disorder, or any autoimmune, connective tissue or inflammatory disorders with pulmonary involvement or prior complete pneumonectomy.

Uncontrolled or significant cardiovascular disease, including: 1. Mean QT interval corrected for heart rate using Fridericia's formula (QTcF) interval >470 msec regardless of sex (based on the average of the 12-lead electrocardiogram determination at screening). 2. Myocardial infarction within 6 months prior to randomization. 3. Uncontrolled angina pectoris within 6 months prior to randomization. 4. LVEF <50% by ECHO or MUGA scan within 28 days before randomization. 5. New York Heart Association Class 2 to 4 congestive heart failure (CHF) at screening. 6. Uncontrolled hypertension (resting systolic blood pressure >180 mmHg or diastolic blood pressure >110 mmHg) within 28 days before randomization. Participants with a history of Class 2 to 4 CHF prior to screening, must have returned to Class 1 CHF and have LVEF ≥50% (by either an ECHO or MUGA scan within 28 days before randomization) in order to be eligible.

Clinically significant corneal disease.

Has received a live vaccine or live-attenuated vaccine (messenger ribonucleic acid and replication-incompetent adenoviral vaccines are not considered attenuated live vaccines) within 30 days prior to the first dose of study drug. For any participant receiving an approved severe acute respiratory syndrome coronavirus 2 (SARS-CoV2) vaccine, please follow the vaccine label and/or local guidance.

Active, known, or suspected autoimmune disease (has an active autoimmune disease that has required systemic treatment in the past 2 years).

Has a diagnosis of immunodeficiency or is receiving chronic systemic steroid therapy (in dosage >10 mg daily of prednisone equivalent) or any other form of immunosuppressive therapy ≤7 days prior to the first dose of study drug.

Has known human immunodeficiency virus (HIV) infection that is not well controlled.

Has an active hepatitis or uncontrolled hepatitis B or active hepatitis C infection.

Has an uncontrolled infection requiring IV antibiotics, antivirals, or antifungals.

Had an allogeneic tissue/solid organ transplant.

Has a history of severe hypersensitivity reactions to either the drug or inactive ingredients (including but not limited to polysorbate 80) of Dato-DXd or pembrolizumab.

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Eligibility

Age eligible for study : 18 and older

Healthy volunteers accepted : No

Gender eligible for study: All

Things to know

Study dates

Study start: 2022-03-04

Primary completion: 2028-02-29

Study completion finish: 2028-04-30

Study type

TREATMENT

Phase

PHASE3

Trial ID

NCT05215340

Intervention or treatment

DRUG: Datopotamab Deruxtecan

DRUG: Pembrolizumab

Conditions

• Metastatic Non Small Cell Lung Cancer

Image related to Metastatic Non Small Cell Lung Cancer

Condition: Metastatic Non Small Cell Lung Cancer
DRUG: Datopotamab Deruxtecan and other drugs
Heidelberg, Victoria, Australia and more
Sponsor: Daiichi Sankyo

You may be eligible to participate in this trial based on your search. Check eligibility by answering some questions.

Are you running this trial? If you're a clinic or sponsor, you can claim this study. Claim or learn more.

Find a site

Closest Location:

Austin Hospital

Research sites nearby

Select from list below to view details:

Austin Hospital
Heidelberg, Victoria, Australia
Peninsula and South Eastern Haematology and Oncology Group
Mount Waverley, Victoria, Australia
Chris Obrien Lifehouse
Camperdown, Not Specified, Australia
The Queen Elizabeth Hospital
Woodville South, Not Specified, Australia

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Participant Group/Arm	Intervention/Treatment
EXPERIMENTAL: Pembrolizumab + Datopotamab Deruxtecan (Dato-DXd) Participants will be randomized to receive 200 mg pembrolizumab followed by 6.0mg/kg Dato-DXd.	DRUG: Datopotamab Deruxtecan Dato-DXd will be administered as an intravenous (IV) infusion every 3 weeks on Day 1 of each 21-day cycle.
ACTIVE_COMPARATOR: Pembrolizumb Participants will be randomized to receive 200 mg pembrolizumab.	DRUG: Pembrolizumab Pembrolizumab will be administered as an intravenous (IV) infusion every 3 weeks on Day 1 of each 21-day cycle.

What is the study measuring?

Primary outcome

Primary Outcome Measure	Primary Outcome Description	Primary Outcome Time Frame
Progression-free Survival Based on Blinded Independent Central Review in Participants Who Were Administered Dato-DXd in Combination With Pembrolizumab Compared With Pembrolizumab	Progression-free Survival (PFS) is defined as the time from randomization to the first documented radiographic disease progression or death due to any cause, whichever occurs first, assessed by blinded independent central review (BICR) per Response Evaluation Criteria in Solid Tumors (RECIST), Version 1.1.	From randomization until disease progression or death (whichever occurs first), up to approximately 32 months
Overall Survival in Participants Who Were Administered Dato-DXd in Combination With Pembrolizumab Compared With Pembrolizumab	Overall Survival (OS) is defined as the time from randomization to death due to any cause.	From randomization until date of death due to any cause, up to approximately 53 months

Secondary outcome

Secondary Outcome Measure	Secondary Outcome Description	Secondary Outcome Time Frame
Objective Response Rate by Blinded Independent Central Review in Participants Who Were Administered Dato-DXd in Combination With Pembrolizumab Compared With Pembrolizumab	Objective Response Rate (ORR) is defined as the proportion of participants who achieved a best overall response (BOR) of confirmed complete response (CR) or confirmed partial response (PR), assessed by BICR per RECIST Version 1.1.	From randomization until disease progression or death (whichever occurs first), up to approximately 32 months
Progression-free Survival by Investigator in Participants Who Were Administered Dato-DXd in Combination With Pembrolizumab Compared With Pembrolizumab	Progression-free Survival (PFS) is defined as the time from randomization to the first documented radiographic disease progression or death due to any cause, whichever occurs first, assessed by the Investigator per RECIST Version 1.1.	From randomization until disease progression or death (whichever occurs first), up to approximately 32 months
Progression-free Survival 2 in Participants Who Were Administered Dato-DXd in Combination With Pembrolizumab Compared With Pembrolizumab	Progression-free Survival 2 (PFS2) is defined as the time from randomization to the first documented radiographic disease progression or death due to any cause, whichever occurs first, assessed by local standard clinical practice.	From randomization until disease progression or death (whichever occurs first), up to approximately 53 months
Objective Response Rate by Investigator in Participants Who Were Administered Dato-DXd in Combination With Pembrolizumab Compared With Pembrolizumab	Objective Response Rate (ORR) is defined as the proportion of participants who achieved a best overall response (BOR) of confirmed complete response (CR) or confirmed partial response (PR), assessed by the Investigator per RECIST Version 1.1.	From randomization until disease progression or death (whichever occurs first), up to approximately 32 months
Duration of Response by BICR and Investigator in Participants Who Were Administered Dato-DXd in Combination With Pembrolizumab Compared With Pembrolizumab	Duration of Response (DoR) is defined as the time from the date of the first documentation of objective response (confirmed CR or confirmed PR) to the date of the first radiographic disease progression or death due to any cause, whichever occurs first, assessed by BICR and by the Investigator per RECIST Version 1.1.	From date of first objective response (CR or PR) to date of first radiographic disease progression or death due to any cause (whichever occurs first), up to approximately 32 months
Time to Response by BICR and Investigator in Participants Who Were Administered Dato-DXd in Combination With Pembrolizumab Compared With Pembrolizumab	Time to Response (TTR) is defined as the time from randomization to the date of the first documentation of objective response (confirmed CR or confirmed PR) in responding participants, assessed by BICR and by the Investigator per RECIST Version 1.1.	From randomization to date of first objective response (CR or PR), up to approximately 32 months
Disease Control Rate by BICR and Investigator in Participants Who Were Administered Dato-DXd in Combination With Pembrolizumab Compared With Pembrolizumab	Disease Control Rate (DCR) is defined as the proportion of participants who achieved a BOR of confirmed CR, confirmed PR, or stable disease (SD), assessed by BICR and by the Investigator per RECIST Version 1.1.	From randomization until disease progression or death (whichever occurs first), up to approximately 32 months
Time to Deterioration in Participants Who Were Administered Dato-DXd in Combination With Pembrolizumab Compared With Pembrolizumab	Time to Deterioration (TTD) is defined as the time from randomization to first onset of a ≥10-point increase in cough, chest pain, or dyspnea, confirmed by a second adjacent ≥10-point increase from randomization in the same symptom, or confirmed by death within 21 days of a ≥10-point increase from randomization, assessed the European Organization for Research and Treatment of Cancer Lung cancer module (EORTC-QLQ-LC13).	From randomization until disease progression or death (whichever occurs first), up to approximately 53 months
Number of Participants With Treatment-emergent Adverse Events (TEAE) Who Were Administered Dato-DXd in Combination With Pembrolizumab Compared With Pembrolizumab	A TEAE is defined as an AE with a start or worsening date on or after the start date of study treatment until 37 days after the end date of study treatment.	Up to 53 months
Proportion of Participants Who Are Anti-Drug Antibody (ADA)-Positive (Baseline and Post-Baseline) and Proportion of Participants Who Have Treatment-emergent ADA	The immunogenicity of Dato-DXd in combination with pembrolizumab will be assessed.	Baseline and up to 53 months

Frequently Asked Questions

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References

Clinical Trials Gov: Study of Dato-DXd Plus Pembrolizumab vs Pembrolizumab Alone in the First-line Treatment of Subjects With Advanced or Metastatic NSCLC Without Actionable Genomic Alterations