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Randomized, Two-Cohort, Open-Label, Phase 3 Clinical Trial of N-803 Plus Tislelizumab or Prior Failed Immune Checkpoint Inhibitor and Docetaxel Versus Docetaxel Monotherapy in Participants With Advanced or Metastatic Non-Small Cell Lung Cancer Who Have Acquired Resistance to Immune Checkpoint Inhibitor Therapy

Status: Recruiting
Location: See all (19) locations...
Intervention Type: Drug
Study Type: Interventional
Study Phase: Phase 3
SUMMARY

This is a randomized, two-cohort, open-label, phase 3, clinical trial to compare the efficacy and safety of N-803 plus tislelizumab and docetaxel (cohort A) or prior failed Health Authority-approved antiprogrammed death-1 (PD-1) or anti-programmed death-ligand 1 (PD-L1) CPI and docetaxel (cohort B) versus docetaxel monotherapy (cohorts A and B). For each cohort, enrolled participants will be randomized 2:1 to treatment in the experimental arm or the control arm. For cohort A, the randomization will be stratified by geographical region (North America vs Europe vs Asia vs Other), NSCLC histology (squamous vs nonsquamous), and actionable genomic alteration (AGA) (epidermal growth factor receptor \[EGFR\]/anaplastic lymphoma kinase \[ALK\]/ROS proto-oncogene 1, receptor tyrosine kinase \[ROS1\] vs Other AGA vs No AGA). For cohort B, the randomization will be stratified by geographical region (Americas vs Asia Pacific \[PAC\] vs Other), NSCLC histology (squamous vs nonsquamous), and actionable genomic alteration (AGA) (Yes vs No).

Eligibility
Participation Requirements
Sex: All
Minimum Age: 18
Maximum Age: 90
Healthy Volunteers: f
View:

• Age ≥ 18 years old.

• Able to understand and provide a signed informed consent that fulfills the relevant Institutional Review Board (IRB) or Independent Ethics Committee (IEC) guidelines.

• Pathologically confirmed stage IV NSCLC disease.

• Have acquired resistance to a regional Health Authority-approved immune plus platinum-based chemotherapy, defined as disease progression immediately following an initial response (of any duration) or stable disease (approximately 6 months duration \[± 2 weeks\]). Participants who received anti-PD-1/anti-PD-L1 mAb as first-line therapy may have received the combination of platinum-based chemotherapy and anti-PD-1/anti-PD-L1 mAb in the second line. Participants must have received platinum chemotherapy to be eligible. Participants must have received anti-PD-1/anti-PD-L1 mAb in their immediate prior line of therapy to be eligible.

• Participants with AGA must have 1 or more documented AGA(s): EGFR, ROS1, neurotrophic tyrosine receptor kinase (NTRK), B rapidly accelerated fibrosarcoma (BRAF), mesenchymal epithelial transition (MET) exon 14 skipping, rearranged during transfection (RET), Kirsten Rat sarcoma (KRAS) and HER2.

• Participants with AGA must meet the following criteria for advanced or metastatic NSCLC. Participants who have been treated with 1 or 2 prior lines of applicable targeted therapy that is locally approved (and is standard of care) for the participant's genomic alteration at the time of screening:

∙ Participants who have tumors with EGFR L858R or exon 19 deletion mutations must have received prior osimertinib.

‣ Participants who received a targeted agent as adjuvant therapy for early-stage disease must have relapsed or progressed while on the treatment or within 6 months of the last dose or received at least one additional course of targeted therapy for the same genomic alteration (which may or may not be same agent used in the adjuvant setting) for relapsed/progressive disease.

‣ Participants who have been treated with a prior tyrosine kinase inhibitor (TKI) must receive additional approved targeted therapy, if locally available and clinically appropriate, for the applicable genomic alteration, or the participant will not be allowed in the study.

‣ Participants must also meet the inclusion criteria #4 listed above.

• ECOG performance status of 0 to 2.

• Measurable tumor lesions according to RECIST v1.1.

• Have a life expectancy of at least 3 months.

⁃ Ability to attend required study visits and return for adequate follow-up, as required by this protocol.

⁃ Agreement to practice effective contraception for female participants of child-bearing potential and nonsterile males. Female participants of childbearing potential are defined as any female who has experienced menarche and who is NOT permanently sterile or postmenopausal. Postmenopausal is defined as 12 consecutive months with no menses without an alternative medical cause. Female participants of childbearing potential must have a negative serum pregnancy test at screening and adhere to using a highly effective method of contraception (eg, tubal ligation, approved hormonal contraceptive associated with inhibition of ovulation, or an intrauterine device \[IUD\]) prior to screening and agree to continue its use during the study or be surgically sterilized (eg, hysterectomy) while on study and for 7 months post last dose of study drug. Male participants must agree to use barrier methods of birth control while on study and for 7 months post last dose of study drug.

⁃ Participants with known HIV infection must be receiving anti retroviral therapy and have an undetectable viral load at their most recent viral load test within 6 months prior to enrollment.

• Age ≥ 18 years old.

• Able to understand and provide a signed informed consent that fulfills the relevant IRB or IEC guidelines.

• Pathologically confirmed stage IV NSCLC disease.

• Have acquired resistance to a regional Health Authority-approved immune plus platinum-based chemotherapy, defined as disease progression immediately following an initial response (of any duration) or stable disease (approximately 6 months duration \[± 2 weeks\]). Participants who received anti-PD-1/anti-PD-L1 mAb as first-line therapy may have received the combination of platinum-based chemotherapy and anti-PD-1/anti-PD-L1 mAb in the second line. Participants must have received platinum chemotherapy to be eligible. Participants must have received anti-PD-1/anti-PD-L1 mAb in their immediate prior line of therapy to be eligible.

• Participants who receive an immune CPI as consolidation therapy after chemoradiation are eligible if they show progression or recurrence within 3 months of their last CPI and must have received at least 6 months of exactly 1 line of prior CPI therapy. If that CPI is not approved for advanced NSCLC, then an approved alternative CPI will be used.

• If participants are positive for actionable genomic alteration (AGA), defined as a genomic alteration which has at least 1 regional Health Authority-approved targeted therapy. Participants MUST have received at least 1 targeted therapy or 2 or more if multiple lines of targeted therapies are approved in the region. Thus, participants must have exhausted regional Health Authority-approved targeted therapies for their specific AGA for first- or second-line NSCLC, then have acquired resistance to immune checkpoint therapy to be eligible. Participants must meet inclusion criteria #4.

• Participants with previously treated brain metastases may participate provided they are clinically stable for at least 2 weeks and have no evidence of new or enlarging brain metastases and also are off steroids 3 days prior to dosing with study medication. Stable brain metastases by this definition should be established prior to the first dose of study medication. Participants with asymptomatic brain metastases (ie, no neurological symptoms, no requirements for corticosteroids, and no lesion \>1.5 cm) may participate but will require regular imaging of the brain as a site of disease.

• ECOG performance status of 0 to 2.

• Measurable tumor lesion(s) according to RECIST v1.1.

⁃ Have a life expectancy of at least 3 months.

⁃ Ability to attend required study visits and return for adequate follow-up, as required by this protocol.

⁃ Agreement to practice effective contraception for female participants of child-bearing potential and nonsterile males. Female participants of childbearing potential are defined as any female who has experienced menarche and who is NOT permanently sterile or postmenopausal. Postmenopausal is defined as 12 consecutive months with no menses without an alternative medical cause. Female participants of childbearing potential must have a negative serum pregnancy test at screening and adhere to using a highly effective method of contraception (eg, tubal ligation, approved hormonal contraceptive associated with inhibition of ovulation, or an intrauterine device \[IUD\]) prior to screening and agree to continue its use during the study or be surgically sterilized (eg, hysterectomy) while on study and for 7 months post last dose of study drug. Male participants must agree to use barrier methods of birth control while on study and for 7 months post last dose of study drug.

⁃ Participants with known HIV infection must be receiving antiretroviral therapy and have an undetectable viral load at their most recent viral load test within 6 months prior to enrollment.

Locations
United States
Arkansas
Highlands Oncology Group
RECRUITING
Springdale
California
Chan Soon-Shiong Institute for Medicine
RECRUITING
El Segundo
MemorialCare - Orange Coast Medical Center
RECRUITING
Fountain Valley
OPN Healthcare INC
RECRUITING
Glendale
OPN Healthcare INC/ Cancer and Blood Specialty Clinic
RECRUITING
Los Alamitos
Florida
Holy Cross Hospital
RECRUITING
Fort Lauderdale
The Oncology Institute of Hope and Innovation
RECRUITING
Fort Lauderdale
Moffit Cancer Center
RECRUITING
Tampa
Georgia
Emory University - Winship Cancer Institute
RECRUITING
Atlanta
Missouri
Barnes-Jewish Hospital - Siteman Cancer Center (Washington University - St. Louis)
RECRUITING
St Louis
North Carolina
Carolina Oncology Specialists
RECRUITING
Hickory
Ohio
University of Cincinnati Medical Center
RECRUITING
Cincinnati
University Hospitals Cleveland Medical Center
RECRUITING
Cleveland
South Carolina
Medical University of South Carolina
RECRUITING
Charleston
Tennessee
Tennessee Oncology
RECRUITING
Nashville
Vanderbilt - Ingram Cancer Center
RECRUITING
Nashville
Virginia
Virginia Cancer Specialists
RECRUITING
Fairfax
Virginia Commonwealth University
RECRUITING
Richmond
Washington
Medical Oncology Associates - Summit Cancer Centers
RECRUITING
Spokane
Contact Information
Primary
Phillip Trieu
Phillip.Trieu@immunitybio.com
856-739-5609
Backup
Tamra Madenwald
Tamra.Madenwald@immunitybio.com
Time Frame
Start Date: 2025-10-01
Estimated Completion Date: 2029-01
Participants
Target number of participants: 507
Treatments
Experimental: Cohort A: Experimental Arm
3-week cycles. N803, Tislelizumab, and Docetaxel will be administered on Cycle 1 and 2. N803 and Tislelizumab will be administered on Cycle 3 and onward until end of study.
Active_comparator: Cohort A: Control Arm
The control arm treatment regimen will consist of repeated 3-week cycles with a ± 3-day window for each visit of Docetaxel 75 mg/m2 IV.
Experimental: Cohort B: Experimental Arm
3-week cycles. N803, prior failed checkpoint inhibitor, and Docetaxel will be administered on Cycle 1 and 2. N803 and prior failed checkpoint inhibitor will be administered on Cycle 3 and onward until end of study.
Active_comparator: Cohort B: Control Arm
The control arm treatment regimen will consist of repeated 3-week cycles with a ± 3-day window for each visit of Docetaxel 75 mg/m2 IV.
Sponsors
Leads: ImmunityBio, Inc.

This content was sourced from clinicaltrials.gov

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