Last updated: 01/08/2026 12:10:13

A Platform Study of Novel Immunotherapy Combinations in Participants with Previously Untreated, Advanced/Metastatic Non-Small-Cell Lung Cancer

GSK study ID
213824
Clinicaltrials.gov ID
EudraCT ID
EU CT Number
Not applicable
Trial status
Recruitment complete
Recruitment complete
Overview
Eligibility
Locations
Study documents
Results summary
Plain language summaries
Additional information

Trial overview

Official title: A Phase 2, Randomized, Open-label, Platform Study Utilizing a Master Protocol to Evaluate Novel Immunotherapy Combinations in Participants with Previously Untreated, Locally Advanced/Metastatic, Programmed Death Ligand 1-Selected Non-Small-Cell Lung Cancer
Trial description: This study will monitor the safety of novel immunotherapy combinations in participants with Programmed death ligand-1 (PD L-1) high (Tumor cells [TC]/ Tumor proportion score [TPS] >= 50%), previously untreated, unresectable, locally advanced or metastatic non-small cell lung cancer (NSCLC). Drug name mentioned as Belrestotug, GSK4428859A, and EOS884448 are all interchangeable for the same compound. In the rest of the document, the drug will be referred to as Belrestotug.
Primary purpose:
Treatment
Trial design:
Parallel
Masking:
None (Open Label)
Allocation:
Randomized
Primary outcomes:

Number of Participants with Treatment Emergent Adverse Events (TEAEs) and Serious Adverse Events (SAEs)

Timeframe: Up to 228 weeks

Number of Participants with TEAEs or SAEs leading to dose modifications or treatment discontinuation

Timeframe: Up to 228 weeks

Secondary outcomes:
Not applicable
Interventions:
  • Drug: Pembrolizumab
  • Drug: Dostarlimab
  • Drug: Belrestotug
  • Drug: Nelistotug
  • Enrollment:
    351
    Primary completion date:
    2027-26-02
    Observational study model:
    Not applicable
    Time perspective:
    Not applicable
    Clinical publications:
    Not applicable
    Medical condition
    Lung Cancer, Non-Small Cell
    Product
    Not applicable
    Collaborators
    iTeos Therapeutics
    Study date(s)
    October 2022 to February 2027
    Type
    Interventional
    Phase
    2

    Participation criteria

    Sex
    Female & Male
    Age
    18+ years
    Accepts healthy volunteers
    No
    • Histologically or cytologically confirmed diagnosis of locally advanced unresectable NSCLC not eligible for curative surgery and/or definitive radiotherapy with or without chemotherapy or metastatic NSCLC (squamous or non squamous)
    • No prior systemic therapy for their locally advanced or metastatic NSCLC
    • Has NSCLC with a tumor that harbors any of the following molecular alterations: EGFR and /or ALK translocations mutations that are sensitive to available targeted inhibitor therapy, Any other known genomic aberrations or oncogenic driver mutations for which a locally approved targeted therapy is available for first-line treatment of locally advanced or metastatic NSCLC.
    • Had major surgery within 4 weeks or lung radiation of >30 Gy therapy within 6 months prior to the first dose of study intervention

    Trial location(s)

    Location
    Status
    Contact us
    Contact us
    Location
    GSK Investigational Site
    Incheon, Unmapped, 21565
    Status
    Study Complete
    Location
    GSK Investigational Site
    Hyogo, Japan, 673-8558
    Status
    Study Complete
    Location
    GSK Investigational Site
    SEOUL, Unmapped, 03080
    Status
    Study Complete
    Location
    GSK Investigational Site
    Seoul, Unmapped, 03722
    Status
    Study Complete
    Location
    GSK Investigational Site
    Verona, Italy, 37045
    Status
    Unmapped
    Location
    GSK Investigational Site
    Vaasa, Finland, 65130
    Status
    Study Complete
    Location
    GSK Investigational Site
    Badajoz, Spain, 06080
    Status
    Unmapped
    Location
    GSK Investigational Site
    Ciudad Autonoma de Buenos Aire, Argentina, C1426AGE
    Status
    Unmapped
    Location
    GSK Investigational Site
    Barcelona, Spain, 08035
    Status
    Unmapped
    Location
    GSK Investigational Site
    Santa Fe, Argentina, 3000
    Status
    Unmapped
    Location
    GSK Investigational Site
    Chiba, Japan, 277-8577
    Status
    Study Complete
    Location
    GSK Investigational Site
    Kanagawa, Japan, 241-8515
    Status
    Study Complete
    Location
    GSK Investigational Site
    Turku, Finland, 20520
    Status
    Study Complete
    Location
    GSK Investigational Site
    CAEN CEDEX 9, France, 14033
    Status
    Unmapped
    Location
    GSK Investigational Site
    Pylaia Thessaloniki, Greece, 57001
    Status
    Unmapped
    Location
    GSK Investigational Site
    Larissa, Greece, 41110
    Status
    Study Complete
    Location
    GSK Investigational Site
    Thessaloniki, Greece, 546 45
    Status
    Terminated/Withdrawn
    Location
    GSK Investigational Site
    Athens, Greece, 11528
    Status
    Study Complete
    Location
    GSK Investigational Site
    Avellino, Italy, 83100
    Status
    Study Complete
    Location
    GSK Investigational Site
    Osaka, Japan, 590-0197
    Status
    Study Complete
    Location
    GSK Investigational Site
    Prabuty, Poland, 82-550
    Status
    Unmapped
    Location
    GSK Investigational Site
    Cape Town, Unmapped, 7570
    Status
    Study Complete
    Location
    GSK Investigational Site
    Malaga, Spain, 29010
    Status
    Unmapped
    Location
    GSK Investigational Site
    Madrid, Spain, 28027
    Status
    Study Complete
    Location
    GSK Investigational Site
    Valencia, Spain, 46026
    Status
    Unmapped
    Location
    GSK Investigational Site
    Middlesex, Unmapped, HA6 2RN
    Status
    Unmapped
    Location
    GSK Investigational Site
    Plantation, FL, Unmapped, 33322
    Status
    Unmapped
    Location
    GSK Investigational Site
    PapagosAthens, Greece, 115 27
    Status
    Study Complete
    Location
    GSK Investigational Site
    Bangkok, Thailand, 10210
    Status
    Unmapped
    Location
    GSK Investigational Site
    Barretos, Brazil, 14784-400
    Status
    Unmapped
    Location
    GSK Investigational Site
    Bordeaux, France, 33076
    Status
    Unmapped
    Location
    GSK Investigational Site
    Budapest, Hungary, H-1121
    Status
    Unmapped
    Location
    GSK Investigational Site
    Essen, Germany, 45147
    Status
    Unmapped
    Location
    GSK Investigational Site
    Firenze, Italy, 50134
    Status
    Terminated/Withdrawn
    Location
    GSK Investigational Site
    Florida, Argentina, 1602
    Status
    Unmapped
    Location
    GSK Investigational Site
    GRONINGEN, Netherlands, 9728 NZ
    Status
    Unmapped
    Location
    GSK Investigational Site
    Genova, Italy, 16132
    Status
    Study Complete
    Location
    GSK Investigational Site
    Grosshansdorf, Germany, 22927
    Status
    Unmapped
    Location
    GSK Investigational Site
    GuimarAes, Portugal, 4835-044
    Status
    Unmapped
    Location
    GSK Investigational Site
    GyOngyOs, Hungary, 3200
    Status
    Unmapped
    Location
    GSK Investigational Site
    Jena, Germany, 07747
    Status
    Study Complete
    Location
    GSK Investigational Site
    Pathumthani, Thailand, 12120
    Status
    Study Complete
    Location
    GSK Investigational Site
    PamplonaNavarra, Spain, 28027
    Status
    Study Complete
    Location
    GSK Investigational Site
    Mar del Plata, Argentina, 7600
    Status
    Unmapped
    Location
    GSK Investigational Site
    Middlesbrough, Unmapped, TS4 3BW
    Status
    Study Complete
    Location
    GSK Investigational Site
    Morgantown, WV, Unmapped, 26506
    Status
    Study Complete
    Location
    GSK Investigational Site
    Porto Alegre, Brazil, 90610-000
    Status
    Unmapped
    Location
    GSK Investigational Site
    San Juan, Argentina, J5402DIL
    Status
    Unmapped
    Location
    GSK Investigational Site
    Thessaloniki, Greece, 57010
    Status
    Unmapped
    Location
    GSK Investigational Site
    TOrOkbAlint, Hungary, 2045
    Status
    Terminated/Withdrawn
    Location
    GSK Investigational Site
    Gaia, Portugal, 4434-502
    Status
    Study Complete
    Location
    GSK Investigational Site
    VitOria, Brazil, 29043-260
    Status
    Unmapped
    Location
    GSK Investigational Site
    Wolverhampton, Unmapped, WV10 0QP
    Status
    Study Complete
    Location
    GSK Investigational Site
    Pozuelo de AlarcOn Madr, Spain, 28223
    Status
    Terminated/Withdrawn
    Location
    GSK Investigational Site
    Abu Dhabi, Unmapped, N/A
    Status
    Study Complete
    Location
    GSK Investigational Site
    Antalya, Turkey, 07070
    Status
    Unmapped
    Location
    GSK Investigational Site
    Badalona, Spain, 08916
    Status
    Unmapped
    Location
    GSK Investigational Site
    Baltimore, MD, Unmapped, 21215
    Status
    Terminated/Withdrawn
    Location
    GSK Investigational Site
    Chattanooga, TN, Unmapped, 37404
    Status
    Study Complete
    Location
    GSK Investigational Site
    Farkasgyepű, Hungary, 8552
    Status
    Terminated/Withdrawn
    Location
    GSK Investigational Site
    Guadalajara, Mexico, 44280
    Status
    Unmapped
    Location
    GSK Investigational Site
    Istanbul, Turkey, 34214
    Status
    Unmapped
    Location
    GSK Investigational Site
    Las Palmas De Gran Canar, Spain, 35016
    Status
    Study Complete
    Location
    GSK Investigational Site
    Pisa, Italy, 57124
    Status
    Unmapped
    Location
    GSK Investigational Site
    Madrid, Spain, 28046
    Status
    Unmapped
    Location
    GSK Investigational Site
    Paoli, PA, Unmapped, 19301
    Status
    Terminated/Withdrawn
    Location
    GSK Investigational Site
    Parktown, Unmapped, 2193
    Status
    Study Complete
    Location
    GSK Investigational Site
    Porto, Portugal, 4200-072
    Status
    Unmapped
    Location
    GSK Investigational Site
    San Luis PotosI, Mexico, 78209
    Status
    Study Complete
    Location
    GSK Investigational Site
    Suwon Gyeonggi-do, Unmapped, 442-723
    Status
    Study Complete
    Location
    GSK Investigational Site
    Valencia, Spain, 46009
    Status
    Unmapped
    Location
    GSK Investigational Site
    Wynnewood, PA, Unmapped, 19096
    Status
    Terminated/Withdrawn
    Location
    GSK Investigational Site
    Bergamo, Italy, 24125
    Status
    Unmapped
    Location
    GSK Investigational Site
    Haidari - Athens, Greece, 12462
    Status
    Unmapped
    Location
    GSK Investigational Site
    Berlin, Germany, 13125
    Status
    Unmapped
    Location
    GSK Investigational Site
    Chiangmai, Thailand, 50200
    Status
    Unmapped
    Location
    GSK Investigational Site
    Cipoletti Rio Negro, Argentina, R8324CVE
    Status
    Unmapped
    Location
    GSK Investigational Site
    Ciudad Autonoma de Buenos Aire, Argentina, 1414
    Status
    Unmapped
    Location
    GSK Investigational Site
    BUENOS AIRES, Argentina, C1426ABP
    Status
    Unmapped
    Location
    GSK Investigational Site
    ENSCHEDE, Netherlands, 7512 KZ
    Status
    Unmapped
    Location
    GSK Investigational Site
    Wilrijk, Belgium, 2650
    Status
    Study Complete
    Location
    GSK Investigational Site
    Fukuoka, Japan, 812-8582
    Status
    Unmapped
    Location
    GSK Investigational Site
    Heidelberg, Germany, 69126
    Status
    Unmapped
    Location
    GSK Investigational Site
    Khon Kaen, Thailand, 40002
    Status
    Unmapped
    Location
    GSK Investigational Site
    Barcelona, Spain, 08907
    Status
    Unmapped
    Location
    GSK Investigational Site
    LEEUWARDEN, Netherlands, 8934 AD
    Status
    Unmapped
    Location
    GSK Investigational Site
    Lisboa, Portugal, 1500-650
    Status
    Unmapped
    Location
    GSK Investigational Site
    Lisboa, Portugal, 1998-018
    Status
    Study Complete
    Location
    GSK Investigational Site
    Lublin, Poland, 20-954
    Status
    Unmapped
    Location
    GSK Investigational Site
    Madrid, Spain, 28041
    Status
    Study Complete
    Location
    GSK Investigational Site
    Marseille, France, 13009
    Status
    Unmapped
    Location
    GSK Investigational Site
    Oulu, Finland, 90220
    Status
    Study Complete
    Location
    GSK Investigational Site
    Quimper cedex, France, 29107
    Status
    Unmapped
    Location
    GSK Investigational Site
    Saitama, Japan, 350-1298
    Status
    Study Complete
    Location
    GSK Investigational Site
    Siedlce, Poland, 08-110
    Status
    Unmapped
    Location
    GSK Investigational Site
    Kho Hong Hat Yai, Thailand, 90110
    Status
    Unmapped
    Location
    GSK Investigational Site
    Strasbourg, France, 67091
    Status
    Unmapped
    Location
    GSK Investigational Site
    Sao Paulo, Brazil, 01246-000
    Status
    Unmapped
    Location
    GSK Investigational Site
    Tampere, Finland, 33520
    Status
    Study Complete
    Location
    GSK Investigational Site
    TatabAnya, Hungary, 2800
    Status
    Unmapped
    Location
    GSK Investigational Site
    UTRECHT, Netherlands, 3543 AZ
    Status
    Unmapped
    Location
    GSK Investigational Site
    Albuquerque, NM, Unmapped, 87131
    Status
    Study Complete
    Location
    GSK Investigational Site
    Samsun, Atakum, Turkey, 55200
    Status
    Unmapped
    Location
    GSK Investigational Site
    Boston, MA, Unmapped, 02118-2905
    Status
    Terminated/Withdrawn
    Location
    GSK Investigational Site
    Ciudad Autonoma Buenos Aires, Argentina, C1430EGF
    Status
    Terminated/Withdrawn
    Location
    GSK Investigational Site
    Dresden, Germany, 01307
    Status
    Terminated/Withdrawn
    Location
    GSK Investigational Site
    Los Angeles, CA, Unmapped, 90017
    Status
    Terminated/Withdrawn
    Location
    GSK Investigational Site
    Olsztyn, Poland, 10-288
    Status
    Terminated/Withdrawn
    Location
    GSK Investigational Site
    Sao Paulo, Brazil, 01323-001
    Status
    Terminated/Withdrawn
    Location
    GSK Investigational Site
    Seoul, Unmapped, 05505
    Status
    Terminated/Withdrawn
    Location
    GSK Investigational Site
    Ankara, Turkey, 06800
    Status
    Study Complete
    Location
    GSK Investigational Site
    Ankara, Turkey, 06680
    Status
    Unmapped

    Study documents

    No study documents available.

    Results overview

    Study Results yet to be posted

    Recruitment status
    Recruitment complete
    Actual primary completion date
    Not applicable
    Actual study completion date
    Not applicable

    Plain language summaries

    Plain language summaries of clinical trial results for Phase 2-4 clinical trials that were initiated on or after January 2022 will be posted by GSK within one year following study completion.

    Additional information about the trial

    Additional information
    Not applicable
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    Access to clinical trial data by researchers
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