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Clinical Trials List

Protocol NumberR3767-ONC-2235
NCT Number(ClinicalTrials.gov Identfier)NCT05785767

2023-07-01 - 2030-06-30

Phase II/III

Recruiting8

A Randomized, Double-Blind Phase 2/3 Study of Fianlimab (Anti-LAG-3 Antibody) in Combination With Cemiplimab (Anti-PD-1 Antibody) Versus Cemiplimab Monotherapy in First-Line Treatment of Patients With Advanced Non-Small Cell Lung Cancer (NSCLC) With Tumors Expressing PD-L1 ≥50%

  • Trial Applicant

    ICON Clinical Research Pte Ltd

  • Sponsor

  • Trial scale

    Multi-Regional Multi-Center

  • Update

    2025/11/06

Investigators and Locations

Principal Investigator Chao-Hua Chiu Division of Thoracic Medicine

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator 賴俊良

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator 賴學緯

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

The Actual Total Number of Participants Enrolled

0 Recruiting

The Actual Total Number of Participants Enrolled

0 Recruiting

Principal Investigator 林智斌

Co-Principal Investigator

The Actual Total Number of Participants Enrolled

0 Recruiting

The Actual Total Number of Participants Enrolled

0 Recruiting

Condition/Disease

Advanced Non-Small Cell Lung Cancer

Objectives

This trial is investigating an investigational drug called fianlimab (also known as REGN3767) and a drug called cemiplimab (also known as REGN2810), referred to individually or collectively as the "investigational drugs" in the trial. The trial focuses on patients with advanced non-small cell lung cancer (NSCLC). The objective of this trial is to understand the efficacy of fianlimab and cemiplimab compared to cemiplimab monotherapy in treating advanced NSCLC.

Test Drug

REGN3767 (Fianlimab)
REGN2810 (Cemiplimab)

Active Ingredient

Fianlimab
Cemiplimab

Dosage Form

270
270

Dosage

50 mg/mL
50mg/mL

Endpoints

Phase 2:

• ORR assessed by BICR using RECIST 1.1, with a maximum duration of 136 weeks. ORR is defined as the proportion of subjects achieving a confirmed complete response (CR) or a confirmed partial response (PR).

Phase 3:

• OS is defined as the time from randomization to the date of death from any cause.

Inclution Criteria

Key Inclusion Criteria:

Patients with non-squamous or squamous histology NSCLC with stage IIIB or stage IIIC disease who are not candidates for surgical resection or definitive chemoradiation per investigator assessment or stage IV (metastatic disease), who received no prior systemic treatment for recurrent or metastatic NSCLC.
Availability of an archival or on-study formalin-fixed, paraffin-embedded (FFPE) tumor tissue sample, without intervening therapy between biopsy collection and screening as described in the protocol
For enrollment in phase 2, patients should have PD-L1 levels ≥ 50%, as determined by a College of American Pathologists (CAP)/Clinical Laboratory Improvement Amendments (CLIA) (or equivalently licensed, according to local regulations) accredited laboratory, as described in the protocol. For enrollment in phase 3, patients should have expression of programmed cell death ligand-1 (PD-L1) in ≥50% of tumor cells stained using an assay performed by a central laboratory, as described in the protocol.
At least 1 radiographically measurable lesion by computed tomography (CT) or magnetic resonance imaging (MRI) per Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST 1.1) criteria. Target lesions may be located in a previously irradiated field if there is documented (radiographic) disease progression in that site.
Eastern Cooperative Oncology Group (ECOG) performance status of ≤1.
Adequate organ and bone marrow function, as described in the protocol.

Exclusion Criteria

Key Exclusion Criteria:

Patients who have never smoked, defined as smoking ≤100 cigarettes in a lifetime.
Active or untreated brain metastases or spinal cord compression. Patients are eligible if central nervous system (CNS) metastases are adequately treated, and patients have neurologically returned to baseline (except for residual signs or symptoms related to the CNS treatment) for at least 2 weeks prior to enrollment. Patients must be off (immunosuppressive doses of) corticosteroid therapy.
Patients with tumors tested positive for actionable epidermal growth factor receptor (EGFR) gene mutations, anaplastic lymphoma kinase (ALK) gene translocations, or c-ros oncogene 1 (ROS1) fusions, as described in the protocol.
Encephalitis, meningitis, or uncontrolled seizures in the year prior to enrollment.
History of interstitial lung disease (eg, idiopathic pulmonary fibrosis or organizing pneumonia), of active, noninfectious pneumonitis that required immune-suppressive doses of glucocorticoids to assist with management, or of pneumonitis within the last 5 years. A history of radiation pneumonitis in the radiation field is permitted as long as pneumonitis resolved ≥6 months prior to enrollment.
Known primary immunodeficiencies, either cellular (eg, DiGeorge syndrome, T-cell-negative severe combined immunodeficiency [SCID]) or combined T- and B-cell immunodeficiencies (eg, T- and B-cell negative SCID, Wiskott Aldrich syndrome, ataxia telangiectasia, common variable immunodeficiency).
Ongoing or recent (within 2 years) evidence of significant autoimmune disease that required treatment with systemic immunosuppressive treatments, which may suggest risk of immune-mediated treatment-emergent adverse events (imTEAEs). Patients with uncontrolled type 1 diabetes mellitus or with uncontrolled adrenal insufficiency are excluded. The following are not exclusionary: vitiligo, childhood asthma that has resolved, residual hypothyroidism that required only hormone replacement, or psoriasis that does not require systemic treatment.
Patients with a condition requiring corticosteroid therapy (>10 mg prednisone/day or equivalent) within 14 days of randomization. Physiologic replacement doses are allowed even if they are >10 mg of prednisone/day or equivalent, as long as they are not being administered for immunosuppressive intent. Patients with clinically relevant systemic immune suppression within the last 3 months before trial enrollment are excluded. Inhaled or topical steroids are permitted, provided that they are not for treatment of an autoimmune disorder.
Patients who have received prior systemic therapies are excluded with the exception of the following:

Adjuvant or neoadjuvant platinum-based doublet chemotherapy (after surgery and/or radiation therapy) if recurrent or metastatic disease develops more than 6 months after completing therapy as long as toxicities have resolved to CTCAE grade ≤1 or baseline with the exception of alopecia and peripheral neuropathy.
Anti-PD-(L) 1 with or without LAG-3 as an adjuvant or neoadjuvant therapy as long as the last dose is >12 months prior to enrollment.
Prior exposure to other immunomodulatory or vaccine therapies as an adjuvant or neoadjuvant therapy, Cytotoxic T-lymphocyte-associated protein 4 (anti-CTLA-4) antibodies as long as the last dose is >6 months prior to enrollment. Immune-mediated AEs must be resolved to CTCAE grade ≤1 or baseline by the time of enrollment. Endocrine immune-mediated AEs controlled with hormonal or other non-immunosuppressive therapies without resolution prior to enrollment are allowed.

The Estimated Number of Participants

  • Taiwan

    15 participants

  • Global

    850 participants