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RecruitingInterventionalPhase 3

A Randomised, Open-label, Phase 3 Trial Comparing the Efficacy and Safety of OSE2101 Versus Docetaxel in HLA-A2 Positive Patients With Metastatic Non-Small Cell Lung Cancer (NSCLC) With Secondary Resistance to Immune Checkpoint Inhibitor

NCT ID: NCT06472245Sponsor: OSE ImmunotherapeuticsLast updated: 2026-04-01

Summary

Multicenter, randomized (2:1), open-label phase 3 study in HLA-A2 positive patients with squamous and non-squamous metastatic NSCLC with ICI secondary resistance. Patients will be randomized into 2 arms (randomization 2:1): experimental Arm A with OSE2101 monotherapy or control Arm B SoC with docetaxel monotherapy. Stratification factors will be histology (squamous versus non squamous) and ECOG Performance Status (0 versus 1).

Arms & interventions

  • DrugOSE2101

    OSE2101 is a peptidic cancer vaccine composed of nine epitopes restricted to HLA-A2 phenotype targeting the tumor associated antigens of P53, HER-2, CEA, MAGE-2 and MAGE-3, and one pan-HLA DR binding epitope (PADRE), all epitopes emulsified in Montanide ISA 51TM adjuvant.

  • DrugDocetaxel

    Docetaxel is an antineoplastic agent that acts by disrupting the microtubular network in cells that is essential for mitotic and interphase cellular functions.

  • DeviceNGS HLAA2 assay

    Amp-HLA-A-CDx Tedopi for amplification of human genomic DNA (gDNA), LFK-CDx Tedopi kit (library full kit) for library preparation, NGSengine-CDx Tedopi software for analysis of NGS data files.

Outcome measures

Primary

  • OS defined as time from randomization to death

    OS defined as time from randomization to death of any cause, censored until the data analysis cut-off date

    Time frame: From randomization date through study completion, an average of 3 years

Eligibility criteria

Sex: AllAge: 18 Years and olderHealthy volunteers: No
Inclusion Criteria: 1. Male or female, aged ≥ 18 years 2. Patients expressing HLA-A2 phenotype in blood by pre-screening central laboratory 3. Patients with histologically or cytologically squamous or non-squamous documented NSCLC, metastatic stage at study entry, not eligible for definite surgery or radiation, without EGFR, ALK and ROS1 gene alterations eligible for targeted therapy; for patients with squamous NSCLC, the molecular tests are not mandatory if age ≥ 50 years old and smoker ≥ 15 pack years; other sensitizing mutations known to be immunosensitive are eligible in case of lack of local access to targeted therapy (i.e.; KRAS G12C and BRAF mutations) after Sponsor' agreement. 4. Patients with secondary resistance to ICI; Other inclusion and exclusion criteria will apply per protocol.

Study locations (79)

Clinical Research Advisors, LLC

Beverly Hills, California, 90211

Recruiting

Clinical Research Advisors - Encino

Encino, California, 90211

Active Not Recruiting

Clinical Research Advisors - West Hollywood

Los Angeles, California, 90048

Active Not Recruiting

Clinical Research Advisors - Korea Town

Los Angeles, California, 90211

Active Not Recruiting

SCL Health - Saint Joseph Hospital Cancer Center

Littleton, Colorado, 80218

Withdrawn

Lutheran Medical Center - Cancer Centers of Colorado

Wheat Ridge, Colorado, 80033-6013

Recruiting

Eastern Connecticut Hematology and Oncology Associates

Norwich, Connecticut, 06360

Recruiting

Georgetown Lombardi Comprehensive Cancer Center

Washington D.C., District of Columbia, 20007

Recruiting

Comprehensive Hematology Oncology - Bradenton Clinic

Bradenton, Florida, 34210

Active Not Recruiting

Comprehensive Hematology Oncology - Brandon Clinic

Brandon, Florida, 33511

Active Not Recruiting

Cancer Specialists of North Florida - Fleming Island

Fleming Island, Florida, 32003

Recruiting

Cancer Specialists of North Florida - Riverside

Jacksonville, Florida, 32204

Active Not Recruiting

Cancer Specialists of North Florida Southside

Jacksonville, Florida, 32207

Active Not Recruiting

Cancer Specialists of North Florida - Northside

Jacksonville, Florida, 32218

Active Not Recruiting

Cancer Specialists of North Florida - Southpoint

Jacksonville, Florida, 32256-6932

Recruiting

Cancer Specialists of North Florida - Baptist South

Jacksonville, Florida, 32258

Active Not Recruiting

Cancer Specialists of North Florida

Jacksonville Beach, Florida, 32250

Recruiting

Comprehensive Hematology Oncology - Largo Clinic

Largo, Florida, 33770

Active Not Recruiting

Cancer Specialists of North Florida - Beaches

Neptune Beach, Florida, 32266

Active Not Recruiting

Comprehensive Hematology Oncology - Palm Harbor Clinic

Palm Harbor, Florida, 34685

Active Not Recruiting

Cancer Specialists Of North Florida - St. Augustine

Saint Augustine, Florida, 32086

Recruiting

Comprehensive Hematology Oncology - Bayfront Clinic

St. Petersburg, Florida, 33709

Active Not Recruiting

Comprehensive Hematology Oncology

St. Petersburg, Florida, 33709

Recruiting

Comprehensive Hematology Oncology - Trinity Clinic

Trinity, Florida, 34655

Recruiting

University of Illinois Cancer Center

Chicago, Illinois, 60612

Recruiting

Alliance for Multispecialty Research (AMR) - Kansas City Oncology

Merriam, Kansas, 66204

Withdrawn

Mary Bird Perkins Cancer Center - Baton Rouge

Baton Rouge, Louisiana, 70809

Active Not Recruiting

Pontchartrain Cancer Center - Covington Office

Covington, Louisiana, 70433

Recruiting

Pontchartrain Cancer Center - Hammond Office

Hammond, Louisiana, 70403-1452

Recruiting

Ascension Saint Agnes Hospital

Baltimore, Maryland, 21229

Recruiting

University of Massachusetts Memorial Medical Center

Worcester, Massachusetts, 01655

Recruiting

Nebraska Hematology-Oncology - Revive Research Institute LLC

Lincoln, Nebraska, 68506

Recruiting

New York Cancer & Blood Specialists - Babylon Medical Oncology

Babylon, New York, 11702

Active Not Recruiting

Optum Medical Care - Carmel/Brewster Campus

Brewster, New York, 10509

Terminated

Brooklyn Radiation Oncology

Brooklyn, New York, 11201

Terminated

Optum Medical Care - Fishkill Westage Campus

Fishkill, New York, 12524

Terminated

Clinical Research Alliance

Lake Success, New York, 11042

Terminated

Optum Medical Care - Mount Kisco Campus 90

Mount Kisco, New York, 10549

Terminated

New York Cancer & Blood Specialists - New Hyde Park

New Hyde Park, New York, 11042

Active Not Recruiting

Optum Hematology Oncology - Lake Success

New Hyde Park, New York, 11042

Terminated

New York Cancer & Blood Specialists - Cancer Center - Research Headquarters

New York, New York, 10028

Recruiting

New York Cancer & Blood Specialists - Central Park Medical Oncology

New York, New York, 10028

Active Not Recruiting

New York Cancer & Blood Specialists - Patchogue Medical Oncology

Patchogue, New York, 11772

Recruiting

New York Cancer & Blood Specialists - Port Jefferson Medical Oncology

Port Jefferson Station, New York, 11776

Active Not Recruiting

New York Cancer & Blood Specialists - Port Jefferson Station Medical Oncology

Port Jefferson Station, New York, 11776

Active Not Recruiting

Optum Medical Care - Poughkeepsie

Poughkeepsie, New York, 12601

Terminated

New York Cancer & Blood Specialists - Eastchester Cancer Care Center

The Bronx, New York, 10469

Active Not Recruiting

New York Cancer & Blood Specialists - Riverhead Medical Oncology

The Bronx, New York, 10469

Active Not Recruiting

Mercy Health - Perrysburg Cancer Center

Perrysburg, Ohio, 43551

Active Not Recruiting

Mercy Health - St. Anne Cancer Center

Toledo, Ohio, 43623

Active Not Recruiting

Bon Secours Hematology and Oncology

Greenville, South Carolina, 29607

Recruiting

Tennessee Oncology - Chattanooga - Medical Park II

Chattanooga, Tennessee, 36404

Active Not Recruiting

Tennessee Oncology - Chattanooga - Downtown

Chattanooga, Tennessee, 37403

Recruiting

Tennessee Oncology - Chattanooga - GHCR Site I

Chattanooga, Tennessee, 37403

Recruiting

Tennessee Oncology - Chattanooga - Memorial Plaza

Chattanooga, Tennessee, 37404

Recruiting

Tennessee Oncology - Cleveland Clinic

Cleveland, Tennessee, 37311

Recruiting

Tennessee Oncology - Cookeville Clinic

Cookeville, Tennessee, 38501

Active Not Recruiting

Tennessee Oncology - Dickson Clinic

Dickson, Tennessee, 37055

Active Not Recruiting

Tennessee Oncology - Franklin Clinic

Franklin, Tennessee, 37067

Recruiting

Tennessee Oncology - Gallatin Clinic

Gallatin, Tennessee, 37066

Active Not Recruiting

Tennessee Oncology - Hendersonville Clinic

Hendersonville, Tennessee, 37075

Active Not Recruiting

Tennessee Oncology - Hermitage - Summit Clinic

Hermitage, Tennessee, 37076

Active Not Recruiting

Tennessee Oncology - Lebanon Clinic

Lebanon, Tennessee, 37090

Active Not Recruiting

Tennessee Oncology - Murfreesboro Clinic

Murfreesboro, Tennessee, 37129

Active Not Recruiting

Tennessee Oncology - Nashville - Centennial Center for Blood Cancers Clinic

Nashville, Tennessee, 37203

Active Not Recruiting

Tennessee Oncology - Nashville - Centennial Clinic - Medical Oncology

Nashville, Tennessee, 37203

Active Not Recruiting

Tennessee Oncology - Nashville - Midtown Center for Blood Cancers

Nashville, Tennessee, 37203

Active Not Recruiting

Tennessee Oncology - Nashville - St. Thomas Midtown Clinic

Nashville, Tennessee, 37203

Active Not Recruiting

Tennessee Oncology - Nashville - St. Thomas West Clinic

Nashville, Tennessee, 37205

Recruiting

Tennessee Oncology - Nashville - Skyline Clinic

Nashville, Tennessee, 37207

Active Not Recruiting

Tennessee Oncology - Nashville - Southern Hills Clinic

Nashville, Tennessee, 37211

Active Not Recruiting

Greco-Hainsworth Tennessee Oncology Centers for Research (GHCR) - Corporate

Nashville, Tennessee, 37232

Recruiting

Tennessee Oncology - Shelbyville Clinic

Shelbyville, Tennessee, 37160

Recruiting

Tennessee Oncology - Smyrna Clinic

Smyrna, Tennessee, 37167

Recruiting

Northwest Medical Specialties - Bonney Lake

Bonney Lake, Washington, 98391

Active Not Recruiting

Northwest Medical Specialties - Federal Way

Federal Way, Washington, 98003

Active Not Recruiting

Northwest Medical Specialties - Gig Harbor

Gig Harbor, Washington, 98332

Recruiting

Northwest Medical Specialties - Puyallup Medical Oncology

Puyallup, Washington, 98373

Recruiting

Northwest Medical Specialties - Tacoma

Tacoma, Washington, 98405

Recruiting

References

  • Besse B, Felip E, Garcia Campelo R, Cobo M, Mascaux C, Madroszyk A, Cappuzzo F, Hilgers W, Romano G, Denis F, Viteri S, Debieuvre D, Galetta D, Baldini E, Razaq M, Robinet G, Maio M, Delmonte A, Roch B, Masson P, Schuette W, Zer A, Remon J, Costantini D, Vasseur B, Dziadziuszko R, Giaccone G; ATALANTE-1 study group. Randomized open-label controlled study of cancer vaccine OSE2101 versus chemotherapy in HLA-A2-positive patients with advanced non-small-cell lung cancer with resistance to immunotherapy: ATALANTE-1. Ann Oncol. 2023 Oct;34(10):920-933. doi: 10.1016/j.annonc.2023.07.006. Epub 2023 Sep 11.(PubMed)