A Phase 2 interventional study of Amivantamab and Lazertinib in Carcinoma, Non-small-Cell Lung, sponsored by Janssen Research & Development, LLC. Recruiting at 110 sites in 12 countries. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-09-28.
Sponsored by Janssen Research & Development, LLC · Phase 2, Interventional, and Treatment
The purpose of this study is to assess the anti-tumor activity and safety of amivantamab which will be administered as a co-formulation with recombinant human hyaluronidase PH20 (rHuPH20) (subcutaneous co-formulation [SC-CF]) in combination treatment (all cohorts except Cohort 4) and to characterize the safety of amivantamab SC-CF (Cohort 4).
Exclusion Criteria:
Participants with treatment-naive locally advanced or metastatic non-small cell lung cancer (NSCLC) harboring an epidermal growth factor receptor (EGFR) exon 19 deletion (exon19del) or exon 21 leucine 858 to arginine substitution (exon 21 L858R) mutation, will receive amivantamab SC-CF injection, 1600 milligrams (mg) or 2240 mg if body weight is greater than or equal to (\>=) 80 kilograms (kg), on Cycle 1 Days 1, 8, 15, and 22 and on Days 1 and 15 of each subsequent 28-day cycle, starting with Cycle 2, along with lazertinib 240 mg orally once daily. Eligible participants will be given an option to enter long-term extension (LTE) phase and may continue to receive access to study treatment(s) within the study by transferring to the Drug Access (DA)-LTE Phase.
Drug: Amivantamab · Drug: Lazertinib
Participants with treatment-naive locally advanced or metastatic NSCLC harboring an EGFR exon20ins mutation will receive Amivantamab SC-CF injection 1600 mg or 2240 mg if body weight is \>=80 kg on Cycle 1 Day 1, 2400 mg or 3360 mg if body weight is \>=80 kg on Cycle 1 Day 8 and 15 and on Day 1 of each subsequent 21-day cycle, starting with Cycle 2 along with pemetrexed 500 milligrams per meter square (mg/m\^2) as intravenous (IV) infusion (with vitamin supplementation) on Day 1 of each 21-day cycle and IV infusion carboplatin area under the concentration-time curve 5 milligrams per milliliters (mg/mL) per minute (AUC 5) maximum 750 mg on Day 1 of each 21-day cycle, for up to 4 cycles. Eligible participants will be given an option to enter LTE phase and may continue to receive access to study treatment(s) within the study by transferring to the DA-LTE Phase.
Drug: Amivantamab · Drug: Carboplatin · Drug: Pemetrexed
Participants with locally advanced or metastatic NSCLC harboring an EGFR exon19del or exon 21 L858R mutation who have experienced disease progression on or after treatment with a third-generation EGFR TKI (osimertinib), will receive amivantamab SC-CF injection 1600 mg or 2240 mg if body weight is \>=80 kg on Cycle 1 Day 1, 2400 mg or 3360 mg if body weight is \>=80 kg on Cycle 1 Day 8 and 15 and on Day 1 of each subsequent 21-day cycle starting with Cycle 2; in combination with IV infusion carboplatin area under the concentration-time curve 5 mg/mL per minute (AUC 5) maximum 750 mg on Day 1 of each 21-day cycle, for up to 4 cycles; and pemetrexed 500 mg/m\^2 as an IV infusion (with vitamin supplementation) on Day 1 of each 21-day until disease progression. Lazertinib 240 mg orally once daily starting Cycle 5 Day 1 when carboplatin is complete or sooner if carboplatin discontinued earlier than Cycle 4. Eligible participants will be given an option to enter LTE phase and DA-LTE Phase.
Drug: Amivantamab · Drug: Lazertinib · Drug: Carboplatin · Drug: Pemetrexed
Participants with locally advanced or metastatic NSCLC harboring an EGFR exon19del or exon 21 L858R mutation who have experienced disease progression on or after treatment with a third-generation EGFR TKI (osimertinib), will receive amivantamab SC-CF injection 1600 mg or 2240 mg if body weight is \>=80 kg on Cycle 1 Day 1, 2400 mg or 3360 mg if body weight is \>=80 kg on Cycle 1 Day 8 and 15 and on Day 1 of each subsequent 21-day cycle starting with Cycle 2; in combination with IV infusion carboplatin area under the concentration-time curve 5 mg/mL per minute (AUC 5) maximum 750 mg on Day 1 of each 21-day cycle, for up to 4 cycles; and pemetrexed 500 mg/m\^2 as an IV infusion (with vitamin supplementation) on Day 1 of each 21-day until disease progression. Eligible participants will be given an option to enter LTE phase and may continue to receive access to study treatment(s) within the study by transferring to the DA-LTE Phase.
Drug: Amivantamab · Drug: Carboplatin · Drug: Pemetrexed
Participants who were previously on amivantamab IV once every 2 weeks (Q2W) regimen as part of standard of care, for at least 8 weeks, either as monotherapy or combination with lazertinib, will receive amivantamab SC-CF injection 1600 mg and 2240 mg if body weight is greater than or equal to 80 kg. Participants who continue to benefit from study treatments, as determined by their investigator, may shift to the drug access (DA)-LTE phase.
Drug: Amivantamab · Drug: Lazertinib
Participants with treatment-naïve locally advanced or metastatic NSCLC harboring an EGFR Exon19del or Exon 21 L858R mutation will receive amivantamab SC-CF induction with 1,600 mg (or 2,240 mg if BW \>=80 kg) on Cycle 1 Days 1, 8, 15, and 22, starting with Cycle 2 on Day 1 of each next 28-day cycle, amivantamab SC-CF (160 mg/mL co-formulated with rHuPH20) by manual injection at 3,520 mg (or 4,640 mg if BW \>=80 kg); along with lazertinib 240 mg by mouth once daily from Cycle 1 Day 1. Eligible participants will be given an option to enter LTE phase and may continue to receive access to study treatment(s) within the study by transferring to the DA-LTE Phase.
Drug: Amivantamab · Drug: Lazertinib
Participants with treatment-naive locally advanced or metastatic NSCLC harboring an EGFR Exon19del or Exon 21 L858R mutation treated will receive will receive amivantamab SC-CF injection, 1600 milligrams (mg) and 2240 mg if body weight is greater than or equal to (\>=) 80 kilograms (kg), on Cycle 1 Days 1, 8, 15, and 22 and on Days 1 and 15 of each subsequent 28-day cycle, starting with Cycle 2, along with lazertinib 240 mg orally once daily from Cycle 1 Day 1. Participants will additionally take prophylactic anticoagulation with a direct oral anticoagulant (DOAC) or a low molecular weight heparin (LMWH) for the first four months of study treatment (from Day 1 through Day 120) with the combination of amivantamab and lazertinib. Eligible participants will be given an option to enter LTE phase and may continue to receive access to study treatment(s) within the study by transferring to the DA-LTE Phase.
Drug: Amivantamab · Drug: Lazertinib · Drug: Direct Oral Anticoagulant (DOAC) · Drug: Low Molecular Weight Heparin (LMWH)
Participants with locally advanced or metastatic NSCLC harboring an EGFR exon19del or exon 21 L858R mutation who have experienced disease progression on or after the combination of amivantamab and lazertinib will receive amivantamab SC-CF injection 1600 mg or 2240 mg if body weight is \>=80 kg on Cycle 1 Day 1, 2400 mg or 3360 mg if body weight is \>=80 kg on Cycle 1 Day 8 and 15 and on Day 1 of each subsequent 21-day cycle starting with Cycle 2; in combination with IV infusion carboplatin area under the concentration-time curve 5 mg/mL per minute (AUC 5) maximum 750 mg on Day 1 of each 21-day cycle, for up to 4 cycles; and pemetrexed 500 mg/m\^2 as an IV infusion (with vitamin supplementation) on Day 1 of each 21-day until disease progression. Eligible participants will be given an option to enter LTE phase and may continue to receive access to study treatment(s) within the study by transferring to the DA-LTE Phase.
Drug: Amivantamab · Drug: Carboplatin · Drug: Pemetrexed
Amivantamab will be administered subcutaneously by manual injection.
Also known as: JNJ-61186372
Lazertinib will be administered as an oral tablet.
Also known as: JNJ-73841937; YH25448
Carboplatin will be administrated by IV infusion.
Pemetrexed will be administered by IV infusion.
DOAC will be administered orally.
LMWH will be administered subcutaneously.
All Cohorts Except Cohort 4: Objective Response Rate (ORR) Based on Investigator Assessment (INV)
ORR based on INV will be reported. ORR is defined as the percentage of participants who achieve a complete response (CR) or partial response (PR), based on Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1, as determined by investigator.
Time frame: Up to 1 year 6 months
Cohort 4: Number of Participants with Adverse Events (AEs)
An AE is any untoward medical occurrence in a participant participating in a clinical study that does not necessarily have a causal relationship with the pharmaceutical/ biological agent under study.
Time frame: Up to approximately 4 years and 9 months
Cohort 4: Number of Participants with AEs by Severity
An AE is any untoward medical occurrence in a participant participating in a clinical study that does not necessarily have a causal relationship with the pharmaceutical/ biological agent under study. Severity of AEs will be graded according to the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) version 5.0. Severity scale ranges from Grade 1 (Mild) to Grade 5 (Death). Grade 1= Mild, Grade 2= Moderate, Grade 3= Severe, Grade 4= Life-threatening and Grade 5= Death related to adverse event.
Time frame: Up to approximately 4 years and 9 months
Cohort 4: Number of Participants with Abnormalities in Clinical Laboratory Values
Number of participants with abnormalities in clinical laboratory values (which includes serum chemistry, hematology, coagulation, urinalysis, and serology) will be reported.
Time frame: Up to approximately 4 years and 9 months
Cohort 4: Number of Participants with Abnormalities in Clinical Laboratory Values by Severity
Number of participants with laboratory values abnormalities which includes serum chemistry, hematology, coagulation, urinalysis, and serology) by severity will be reported. Severity of laboratory values abnormalities will be graded according to the NCI-CTCAE version 5.0. Severity scale ranges from Grade 1 (Mild) to Grade 5 (Death). Grade 1= Mild, Grade 2= Moderate, Grade 3= Severe, Grade 4= Life-threatening and Grade 5= Death related to adverse event.
Time frame: Up to approximately 4 years and 9 months
All Cohorts Except Cohort 4: Number of Participants with AEs
An AE is any untoward medical occurrence in a participant participating in a clinical study that does not necessarily have a causal relationship with the pharmaceutical/ biological agent under study.
Time frame: Up to 1 year 6 months
All Cohorts Except Cohort 4: Number of Participants with AEs by Severity
An AE is any untoward medical occurrence in a participant participating in a clinical study that does not necessarily have a causal relationship with the pharmaceutical/ biological agent under study. Severity of AEs will be graded according to the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) version 5.0. Severity scale ranges from Grade 1 (Mild) to Grade 5 (Death). Grade 1= Mild, Grade 2= Moderate, Grade 3= Severe, Grade 4= Life-threatening and Grade 5= Death related to adverse event.
Time frame: Up to 1 year 6 months
All Cohorts Except Cohort 4: Number of Participants with Abnormalities in Clinical Laboratory Values
Number of participants with abnormalities in clinical laboratory values (which includes serum chemistry, hematology, coagulation, urinalysis, and serology) will be reported.
Time frame: Up to 1 year 6 months
All Cohorts Except Cohort 4: Number of Participants with Abnormalities in Clinical Laboratory Values by Severity
Number of participants with abnormalities in clinical laboratory values which includes serum chemistry, hematology, coagulation, urinalysis, and serology) by severity will be reported. Severity of laboratory values abnormalities will be graded according to the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) version 5.0. Severity scale ranges from Grade 1 (Mild) to Grade 5 (Death). Grade 1= Mild, Grade 2= Moderate, Grade 3= Severe, Grade 4= Life-threatening and Grade 5= Death related to adverse event.
Time frame: Up to 1 year 6 months
All Cohorts Except Cohort 4: ORR Based on Independent Central Review (ICR)
ORR based on ICR will be reported. The ORR is defined as the percentage of participants who achieve a CR or PR, based on RECIST version 1.1, as confirmed by ICR.
Time frame: Up to 1 year 6 months
All Cohorts Except Cohort 4: Duration of Response (DoR) Based on Investigator Assessment (INV)
DoR based on INV is defined as the time from the date of first documented response (PR or CR) until the date of documented progression or death, whichever comes first, for participants who have PR or CR.
Time frame: Up to 1 year 6 months
All Cohorts Except Cohort 4: Time to Response (TTR) Based on INV
TTR (that is, time to first response) based on INV is defined as the time from the first dose of study treatment to the date of first documentation of a response (PR or CR) prior to any disease progression and subsequent anticancer therapy, based on RECIST version 1.1., for participants who have PR or CR as their best response.
Time frame: Up to 1 year 6 months
All Cohorts Except Cohort 4: Clinical Benefit Rate (CBR)
CBR is defined as the percentage of participants achieving CR or PR, or durable standard deviation (SD) of a duration of at least 11 weeks as defined by RECIST version 1.1.
Time frame: Up to 1 year 6 months
All Cohorts Except Cohort 4: Progression-free Survival (PFS)
The PFS is defined as the time from the first dose of study treatment until the date of objective disease progression or death, whichever comes first, based on RECIST version 1.1.
Time frame: Up to 3 years
All Cohorts Except Cohort 4: Overall Survival (OS)
The OS is defined as the time from the first dose of study treatment until the date of death due to any cause.
Time frame: Up to approximately 4 years
All Cohorts Except Cohort 4: Number of Participants with Venous Thromboembolic Events (VTE)
Number of participants with adverse events of VTE (pulmonary embolism and deep vein thrombosis) will be reported. An AE is any untoward medical occurrence in a participant participating in a clinical study that does not necessarily have a causal relationship with the pharmaceutical/ biological agent under study.
Time frame: Up to 1 year 6 months
All Cohorts Except Cohort 4: Number of Participants with Venous Thromboembolic Events (VTE) by Severity
Number of participants with adverse events of VTE (pulmonary embolism and deep vein thrombosis) by severity will be reported. An AE is any untoward medical occurrence in a participant participating in a clinical study that does not necessarily have a causal relationship with the pharmaceutical/ biological agent under study. Severity of AEs will be graded according to the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) version 5.0. Severity scale ranges from Grade 1 (Mild) to Grade 5 (Death).
Time frame: Up to 1 year 6 months
All Cohorts Except Cohort 4: Serum Concentration Immediately Prior to the Next Dose Administration (Ctrough) of Amivantamab
Ctrough is defined as the serum concentration of amivantamab immediately prior to the next drug administration.
Time frame: Cycle 2 Day 1 of 28-day cycle
Cohort 4: Cancer Therapy Satisfaction as Assessed by Modified Therapy Administration Satisfaction Questionnaire - Intravenous (TASQ-IV)
Patient-reported outcome (PRO): Cancer therapy satisfaction will be assessed using the modified TASQ-IV. The modified TASQ is a 12-item questionnaire measuring the impact of each mode of treatment administration on five domains: physical impact, psychological impact, impact on activities of daily living, convenience, and satisfaction. Each of the domain/scale scores is scored on a 1-100 scale, where 0 is worst and 100 is best.
Time frame: Up to 1 year 6 months
Cohort 4: Cancer Therapy Satisfaction as Assessed by Modified Therapy Administration Satisfaction Questionnaire - Subcutaneous (TASQ-SC)
PRO: Cancer therapy satisfaction will be assessed using the modified TASQ-SC. The modified TASQ is a 12-item questionnaire measuring the impact of each mode of treatment administration on five domains: physical impact, psychological impact, impact on activities of daily living, convenience, and satisfaction. Each of the domain/scale scores is scored on a 1-100 scale, where 0 is worst and 100 is best.
Time frame: Up to 1 year 6 months
Cohort 4: Patient-reported Status as Assessed by Patient Global Impression of Change (PGIC) Scale Score
Patient-reported status as assessed by PGIC scale score will be reported. The PGIC is an assessment of the participant's overall sense of whether there has been a change since starting treatment. The PGIC is a 7-point response scale. Participants will be asked to rate their current fatigue as compared to when they started the study, using the following 7-point scale: 1 = Much better, 2 = Moderately better, 3 = A little better, 4 = No change, 5 = A little worse, 6 = Moderately worse, and 7 = Much worse.
Time frame: Up to 1 year 6 months
Cohort 4: Patient-reported Status as Assessed by Patient Global Impression of Symptom Severity (PGIS) Scale Score
Patient-reported status as assessed by PGIS scale score will be reported. The PGIS is an assessment of lung cancer severity at a given point in time. The PGIS is a 5-point response scale. Participants will be asked to rate their fatigue over the past 7 days using the following 5-point scale: 1 = None, 2 = Mild, 3 = Moderate, 4 = Severe, and 5 = Very severe.
Time frame: Up to 1 year 6 months
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Plan to share: Yes — The data sharing policy of Johnson \& Johnson Innovative Medicine is available at www.innovativemedicine.jnj.com/our-innovation/clinical-trials/transparency. As noted on this site, requests for access to the study data can be submitted through Yale Open Data Access (YODA) Project site at yoda.yale.edu
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