New immune cocktail aims to outperform standard lung cancer therapy
NCT ID NCT06472076
First seen Jun 26, 2026 · Last updated Jul 22, 2026 · Updated 3 times
Summary
This Phase 3 trial tests whether combining two immune-boosting drugs (belrestotug and dostarlimab) works better than the standard treatment (pembrolizumab) for people with advanced non-small cell lung cancer that has high PD-L1 levels and hasn't been treated before. About 88 participants will receive either the new combo or the standard treatment. The main goal is to check safety and side effects.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- belrestotug and dostarlimab (immune-boosting drugs)
- What this could lead to
- If successful, this combination could offer a new first-line treatment option for people with advanced non-small cell lung cancer that has high PD-L1 levels.
- What could go wrong
- This is an early-stage Phase 3 trial with only 88 participants, so results may not apply to everyone. Immune-related side effects are possible and could be serious.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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88 people
The number who actually took part.
- Started
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Jun 2024
- Expected to finish
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Aug 2027
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Has a 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 * Has not received prior systemic therapy for their locally advanced or metastatic NSCLC. * Provides a fresh tumor tissue sample obtained at the time of or after the initial diagnosis of locally advanced or metastatic NSCLC. * Has a PD-L1-high (Tumor cells \[TC\] ≥50%) tumor * Has measurable disease (at least 1 target lesion) based on RECIST 1.1 * Has an Eastern Cooperative Oncology Group (ECOG) Performance status (PS) score of 0 or 1. * Has adequate organ function Exclusion Criteria: * Has NSCLC with a tumor that harbors any of the following molecular alterations: 1. Epidermal growth factor receptor (EGFR) mutations that are sensitive to available targeted inhibitor therapy 2. Anaplastic lymphoma kinase (ALK) translocations that are sensitive to available targeted inhibitor therapy 3. 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. * Has had surgery within 4 weeks of the first dose of study intervention and has not recovered from AEs (i.e., has any ongoing surgery-related events ≥ Grade 1)/complications related to surgery or has received lung radiation therapy of \>30 gray (Gy) within 6 months * Has received prior therapy with any immune checkpoint inhibitors, including antibodies or drugs targeting PD-(L)1, Cytotoxic T-lymphocyte-associated protein 4 (CTLA-4), T cell immunoglobulin and ITIM domain (TIGIT), or other checkpoint pathways. * Has never smoked, defined as smoking \<100 tobacco cigarettes in a lifetime. * Has an invasive malignancy or history of invasive malignancy other than the disease under study within the last 5 years, with the exception of those with a negligible risk of metastasis or death and/or treated with expected curative outcome. * Has symptomatic, untreated, or actively progressin g brain metastases or leptomeningeal disease * Has autoimmune disease or syndrome (current or history thereof) that required systemic treatment within the past 2 years. * Has received any live vaccine within 30 days prior to first dose of study intervention. * Has any history of idiopathic pulmonary fibrosis, organizing pneumonia, drug induced pneumonitis, idiopathic pneumonitis, or evidence of active pneumonitis. * Has symptomatic ascites, pleural effusion, or pericardial effusion. * Has active inflammatory bowel disease * Has a history of significant acute or chronic cardiac diagnosis requiring intervention/treatment in the last 6 months. * Has severe infection or complication thereof 4 weeks prior to randomisation including active tuberculosis. * Has a history of allogeneic tissue/stem cell transplant or solid organ transplant.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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GSK Investigational Site
Ocala, Florida, 34474, United States
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GSK Investigational Site
Honolulu, Hawaii, 96819, United States
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GSK Investigational Site
Lexington, Kentucky, 40503, United States
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GSK Investigational Site
Lexington, Kentucky, 40509, United States
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GSK Investigational Site
Omaha, Nebraska, 68114, United States
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GSK Investigational Site
Nashville, Tennessee, 37203, United States
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GSK Investigational Site
Fort Worth, Texas, 76104, United States
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GSK Investigational Site
Olympia, Washington, 98506, United States
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GSK Investigational Site
Buenos Aires, 1425, Argentina
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GSK Investigational Site
Cipoletti Rio Negro, R8324CVE, Argentina
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GSK Investigational Site
Ciudad Autonoma de Buenos Aire, C1426AGE, Argentina
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GSK Investigational Site
Ciudad Autonoma de Bueno, C1056ABI, Argentina
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GSK Investigational Site
Córdoba, 5000, Argentina
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GSK Investigational Site
Florida, 1602, Argentina
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GSK Investigational Site
Mendoza, M5500AYB, Argentina
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GSK Investigational Site
Rosario, S2002, Argentina
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GSK Investigational Site
San Miguel de Tucumán, T4000, Argentina
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GSK Investigational Site
Hasselt, 3500, Belgium
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GSK Investigational Site
Mont Gaston, 5530, Belgium
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GSK Investigational Site
Barretos, 14784-400, Brazil
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GSK Investigational Site
Belém, 66.073-005, Brazil
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GSK Investigational Site
CuritibaPR, 80810-050, Brazil
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GSK Investigational Site
Florianópolis, 88034-000, Brazil
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GSK Investigational Site
Fortaleza, 60336-232, Brazil
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GSK Investigational Site
Londrina, 86015-520, Brazil
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GSK Investigational Site
Porto VelhoRondOnia, 76.834-899, Brazil
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GSK Investigational Site
Salvador, 40414-120, Brazil
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GSK Investigational Site
SAo JosE Do Rio PretoSP, 15090-000, Brazil
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GSK Investigational Site
São Paulo, 04312903, Brazil
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GSK Investigational Site
Vitória, 29043-260, Brazil
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GSK Investigational Site
Haskovo, 6300, Bulgaria
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GSK Investigational Site
Plovdiv, 4004, Bulgaria
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GSK Investigational Site
Halifax, Nova Scotia, B3H 1V7, Canada
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GSK Investigational Site
Chengdu, 610000, China
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GSK Investigational Site
Hangzhou, 310006, China
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GSK Investigational Site
Hangzhou, China
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GSK Investigational Site
Hefei, 230001, China
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GSK Investigational Site
Nanjing, 210006, China
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GSK Investigational Site
Shanghai, 200030, China
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GSK Investigational Site
Kuopio, 70210, Finland
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GSK Investigational Site
Turku, 20520, Finland
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GSK Investigational Site
Angers, 49000, France
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GSK Investigational Site
Boulogne-Billancourt, 92100, France
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GSK Investigational Site
Limoges, 87042, France
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GSK Investigational Site
Lorient, 56100, France
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GSK Investigational Site
Pessac, 33064, France
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GSK Investigational Site
Rennes, 35033, France
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GSK Investigational Site
Hamburg, 20251, Germany
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GSK Investigational Site
Shatin, Hong Kong
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GSK Investigational Site
Gokul Shirgoan, Kolhapur, 416234, India
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GSK Investigational Site
Apex Wellness Hospital, 422005, India
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GSK Investigational Site
Bangalore, 560085, India
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GSK Investigational Site
Belagavi, 590010, India
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GSK Investigational Site
Bhubaneswar, 751007, India
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GSK Investigational Site
Gurgaon, 122001, India
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GSK Investigational Site
New Delhi, 110075, India
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GSK Investigational Site
Aichi, 466-8560, Japan
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GSK Investigational Site
Ehime, 790-0024, Japan
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GSK Investigational Site
Fukuoka, 814-0180, Japan
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GSK Investigational Site
Hokkaido, 062-0931, Japan
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GSK Investigational Site
Hyōgo, 665-0827, Japan
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GSK Investigational Site
Kyoto, 612-8555, Japan
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GSK Investigational Site
Mie, 515-8544, Japan
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GSK Investigational Site
Miyagi, 981-0914, Japan
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GSK Investigational Site
Nagasaki, 852-8501, Japan
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GSK Investigational Site
Niigata, 951-8566, Japan
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GSK Investigational Site
Osaka, 596-8501, Japan
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GSK Investigational Site
Tokyo, 104-0045, Japan
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GSK Investigational Site
Tokyo, 162-8655, Japan
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GSK Investigational Site
Tottori, 683-8504, Japan
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GSK Investigational Site
Wakayama, 641-8510, Japan
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GSK Investigational Site
Guadajalara, 44280, Mexico
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GSK Investigational Site
La Paz BCS, 23040, Mexico
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GSK Investigational Site
Mexico City, 06700, Mexico
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GSK Investigational Site
San Luis Potosí City, 78209, Mexico
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GSK Investigational Site
Alkmaar, 1815 JD, Netherlands
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GSK Investigational Site
Enschede, 7512 KZ, Netherlands
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GSK Investigational Site
Panama City, Panama
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GSK Investigational Site
Punta Pacifica Panama City Panama, Panama
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GSK Investigational Site
Daegu, 41404, South Korea
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GSK Investigational Site
Incheon, 21565, South Korea
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GSK Investigational Site
Seoul, 02841, South Korea
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GSK Investigational Site
Seoul, 05505, South Korea
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GSK Investigational Site
Seoul, 08308, South Korea
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GSK Investigational Site
Seoul, 120-752, South Korea
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GSK Investigational Site
A Coruña, 15006, Spain
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GSK Investigational Site
Aravaca, 28013, Spain
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GSK Investigational Site
BaracaldoVizcaya, 48903, Spain
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GSK Investigational Site
Barcelona, 08003, Spain
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GSK Investigational Site
Barcelona, 08023, Spain
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GSK Investigational Site
Barcelona, 08025, Spain
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GSK Investigational Site
Barcelona, 08035, Spain
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GSK Investigational Site
Jaén, 23007, Spain
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GSK Investigational Site
Las Palmas de Gran Canar, 35016, Spain
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GSK Investigational Site
Madrid, 28010, Spain
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GSK Investigational Site
Madrid, 28033, Spain
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GSK Investigational Site
Madrid, 28222, Spain
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GSK Investigational Site
Oviedo, 33006, Spain
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GSK Investigational Site
Pamplona, 31008, Spain
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GSK Investigational Site
Salamanca, 37007, Spain
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GSK Investigational Site
Santander, 39008, Spain
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GSK Investigational Site
Seville, 41014, Spain
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GSK Investigational Site
Valladolid, 47003, Spain
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GSK Investigational Site
Gävle, SE-801 87, Sweden
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GSK Investigational Site
Kaohsiung City, 807, Taiwan
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GSK Investigational Site
Taipei, 23561, Taiwan
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GSK Investigational Site
Adana, 1120, Turkey (Türkiye)
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GSK Investigational Site
Ankara, 06560, Turkey (Türkiye)
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