Platform Trial of Novel Regimens Versus Standard of Care (SoC) in Participants With Non-small Cell Lung Cancer (NSCLC)

Completed · Phase 2

Conditions studied: Neoplasms

In brief

This study will compare the clinical activity of novel regimens (in combination or as single agents) to SoC in participants with relapsed/refractory advanced NSCLC. The study will be conducted in two parts. Part 1 is an open-label, optional, non-randomized part based on safety and pharmacokinetics/pharmacodynamics (PK/PD) evaluation intended to generate additional data to qualify novel regimens for the randomized study. Part 2 is a randomized, Phase II open-label part comparing the efficacy and safety of these novel regimens with SoC. Drug name mentioned as GSK4428859A (belrestotug) and EOS884448 are interchangeable for the same compound and will be referred to as GSK4428859A/EOS884448/belrestotug.

Key facts

Study ID

NCT03739710

Run by

GlaxoSmithKline

People needed

175

Starts

2019-01-24

Expected to finish

2024-05-02

Last updated by the study team

2025-06-15

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Participants capable of giving signed informed consent/assent.
• Male or female, aged 18 years or older at the time consent is obtained. Participants in Korea must be age 19 years or older at the time consent is obtained.
• Participants with histologically or cytologically confirmed diagnosis of NSCLC (squamous or non-squamous) and
• a) Documented disease progression based on radiographic imaging, during or after a maximum of 2 lines of systemic treatment for locally/regionally advanced recurrent, Stage IIIb/Stage IIIc/Stage IV or metastatic disease. Two components of treatment must have been received in the same line or as separate lines of therapy: i) No more than or less than 1 line of platinum-containing chemotherapy regimen, and ii) No more than or less than 1 line of Programmed cell death ligand 1 (PD[L]1) monoclonal antibody (mAb) containing regimen.
• b) Participants with known BRAF molecular alterations must have had disease progression after receiving the locally available SoC treatment for the molecular alteration.
• c) Participants who received prior anti-PD(L)1 therapy must fulfill the following requirements: i) Have achieved a CR, PR or SD and subsequently had disease progression (per RECIST 1.1 criteria) either on or after completing PD(L)1 therapy ii) Have not progressed or recurred within the first 12 weeks of PD(L)1 therapy, either clinically or per RECIST 1.1 criteria
• Measurable disease, presenting with at least 1 measurable lesion per RECIST 1.1.
• Eastern Cooperative Oncology Group (ECOG) Performance Status (PS) score of 0 or 1.
• A tumor tissue sample obtained at any time from the initial diagnosis of NSCLC to time of study entry is mandatory. Although a fresh tumor tissue sample obtained during screening is preferred, archival tumor specimen is acceptable.
• Adequate organ function as defined in the protocol.
• A male participant must agree to use a highly effective contraception during the treatment period and for at least 120 days after the last dose of study treatment and refrain from donating sperm during this period.
• A female participant is eligible to participate if she is not pregnant, not breastfeeding, and at least 1 of the following conditions apply:
• i) Not a woman of childbearing potential (WOCBP) or ii) A WOCBP who agrees to follow the contraceptive guidance during the treatment period and for at least 120 days after the last dose of study treatment.
• Life expectancy of at least 12 weeks.

You may not qualify if…

• Participants who received prior treatment with the following therapies (calculation is based on date of last therapy to date of first dose of study treatment):
• Docetaxel at any time.
• Any of the investigational agents being tested in the current study.
• Systemic approved or investigational anticancer therapy within 30 days or 5 half-lives of the drug, whichever is shorter. At least 14 days must have elapsed between the last dose of prior anticancer agent and the first dose of study drug is administered.
• Prior radiation therapy: permissible if at least one non-irradiated measurable lesion is available for assessment per RECIST version 1.1 or if a solitary measurable lesion was irradiated, objective progression is documented. A wash out of at least 2 weeks before start of study drug for radiation of any intended use is required.
• Received greater than (>)2 prior lines of therapy for NSCLC, including participants with BRAF molecular alternations.
• Invasive malignancy or history of invasive malignancy other than disease under study within the last 2 years, except
• Any other invasive malignancy for which the participant was definitively treated, has been disease-free for at least 2 years and in the opinion of the principal investigator and GlaxoSmithKline Medical Monitor will not affect the evaluation of the effects of the study treatment on the currently targeted malignancy, may be included in this clinical trial.
• Curatively treated non-melanoma skin cancer or successfully treated in situ carcinoma.
• Carcinomatous meningitis (regardless of clinical status) and uncontrolled or symptomatic Central nervous system (CNS) metastases.
• Major surgery less than or equal to (<=) 28 days of first dose of study treatment.
• Autoimmune disease (current or history) or syndrome that required systemic treatment within the past 2 years. Replacement therapies which include physiological doses of corticosteroids for treatment of endocrinopathies (for example, adrenal insufficiency) are not considered systemic treatments.
• Receiving systemic steroids (>10 milligrams [mg]) oral prednisone or equivalent) or other immunosuppressive agents within 7 days prior to first dose of study treatment.
• Prior allogeneic/autologous bone marrow or solid organ transplantation.
• Receipt of any live vaccine within 30 days prior to first dose of study treatment.
• Toxicity from previous anticancer treatment that includes:
• Greater than or equal to (>=) Grade 3 toxicity considered related to prior immunotherapy and that led to treatment discontinuation.
• History of myocarditis of any grade during a previous treatment with immunotherapy
• Toxicity related to prior treatment that has not resolved to <= Grade 1 (except alopecia, hearing loss, endocrinopathy managed with replacement therapy, and peripheral neuropathy which must be <= Grade 2).
• History (current and past) of idiopathic pulmonary fibrosis, pneumonitis (for past- pneumonitis exclusion only if steroids were required for treatment), interstitial lung disease, or organizing pneumonia.
• Recent history (within the past 6 months) of uncontrolled symptomatic ascites, pleural or pericardial effusions.
• Recent history (within the past 6 months) of gastrointestinal obstruction that required surgery, acute diverticulitis, inflammatory bowel disease, or intra-abdominal abscess.
• History or evidence of cardiac abnormalities within the 6 months prior to enrollment which include
• Serious, uncontrolled cardiac arrhythmia or clinically significant electrocardiogram abnormalities including second degree (Type II) or third degree atrioventricular block.
• Cardiomyopathy, myocardial infarction, acute coronary syndromes (including unstable angina pectoris), coronary angioplasty, stenting or bypass grafting.

Where it is running

• GSK Investigational Site — St Louis, Missouri, United States
• GSK Investigational Site — The Bronx, New York, United States
• GSK Investigational Site — Pinehurst, North Carolina, United States
• GSK Investigational Site — Chattanooga, Tennessee, United States
• GSK Investigational Site — Nashville, Tennessee, United States
• GSK Investigational Site — Dallas, Texas, United States
• GSK Investigational Site — Edmonton, Alberta, Canada
• GSK Investigational Site — Brampton, Ontario, Canada
• GSK Investigational Site — Toronto, Ontario, Canada
• GSK Investigational Site — Bordeaux, France
• GSK Investigational Site — Caen, France
• GSK Investigational Site — Paris, France
• GSK Investigational Site — Paris, France
• GSK Investigational Site — Saint-Herblain, France
• GSK Investigational Site — Villejuif, France
• GSK Investigational Site — Berlin, Germany
• GSK Investigational Site — Gauting, Germany
• GSK Investigational Site — Großhansdorf, Germany
• GSK Investigational Site — Heidelberg, Germany
• GSK Investigational Site — Immenhausen, Germany
• GSK Investigational Site — Kassel, Germany
• GSK Investigational Site — Leipzig, Germany
• GSK Investigational Site — Meldola FC, Italy
• GSK Investigational Site — Milan, Italy
• GSK Investigational Site — Los Angeles, California, United States

Full record on ClinicalTrials.gov

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