Study of GSK3359609 and Pembrolizumab in Programmed Death Receptor 1-ligand 1 (PD-L1) Positive Recurrent or Metastatic Head and Neck Squamous Cell Carcinoma

Stopped early · Phase 3 · Has a placebo group

Conditions studied: Neoplasms, Head and Neck

In brief

The purpose of study is to evaluate if the addition of GSK3359609 to pembrolizumab as first-line treatment improves the efficacy of pembrolizumab in participants with recurrent or metastatic (R/M) head and neck squamous cell carcinoma/cancer (HNSCC).This is a randomized, double-blind, adaptive Phase II/III study comparing a combination of GSK3359609 inducible T cell co-stimulatory receptor (ICOS) agonist and pembrolizumab to pembrolizumab plus placebo in participants with programmed death receptor 1-ligand 1 (PD-L1) combined positive score (CPS) \>=1 R/M HNSCC.

Key facts

Study ID: NCT04128696
Run by: GlaxoSmithKline
People needed: 315
Starts: 2019-11-21
Expected to finish: 2023-06-20
Last updated by the study team: 2024-07-10

Who can join

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

You may qualify if…

Capable of giving signed informed consent
Male or female, age >=18 years
Histological or cytological documentation of Head and Neck Squamous Cell Carcinoma (HNSCC) that is considered incurable by local therapies
Primary tumor location of the oral cavity, oropharynx, hypopharynx or larynx
No prior systemic therapy administered in the recurrent or metastatic setting (except for systemic therapy given as part of multimodal treatment for locally advanced disease)
Measurable disease per RECIST version 1.1 guidelines
ECOG Performance PS score of 0 or 1
Adequate organ function
Life expectancy of at least 12 weeks
Female participants: must not be pregnant, not breastfeeding, and at least one of the following conditions apply:
Not a woman of childbearing potential (WOCBP)
A WOCBP who agrees to use a method of birth control from 30 days prior to randomization and for at least 120 days after the last dose of study treatment
Male participants with female partners of child-bearing potential: must agree to use a highly effective contraception while receiving study treatment and for at least 120 days after the last dose of study treatment and refrain from donating sperm during this period
Provide tumor tissue from excisional or core biopsy (fine needle aspirates and bone biopsies are not acceptable) acquired within 2 years prior to randomization for PD-L1 immunohistochemistry (IHC) testing by central laboratory
Have PD-L1 Immunohistochemistry (IHC) CPS 1 status by central laboratory testing
Have results from testing of Human Papilloma Virus (HPV) status for oropharyngeal cancer

You may not qualify if…

Prior therapy with an anti-PD-1/L1/L2 and/or anti-ICOS directed agent
Systemic approved or investigational anticancer therapy within 30 days or 5 half-lives of the drug, whichever is shorter
Major surgery 28 days prior to randomization
Has high risk of bleeding
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)
Received transfusion of blood products or administration of colony stimulating factors within 14 days prior to randomization
Central nervous system (CNS) metastases, with the following exception: Participants with asymptomatic CNS metastases who are clinically stable and have no requirement for steroids for at least 14 days prior to randomization
Invasive malignancy or history of invasive malignancy other than disease under study within the last 3 years, except as noted below:
a. Any other invasive malignancy for which the participant was definitively treated, has been disease-free for 3 years and in the opinion of the principal investigator and GSK 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 study
Autoimmune disease or syndrome that required systemic treatment within the past 2 years
Has a diagnosis of immunodeficiency or is receiving systemic steroids (≥10 mg oral prednisone per day or equivalent) or other immunosuppressive agents within 7 days prior to randomization
Receipt of any live vaccine within 30 days prior randomization
Prior allogeneic/autologous bone marrow or solid organ transplantation
Has current pneumonitis or history of non-infectious pneumonitis that required steroids or other immunosuppressive agents
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
Recent history of allergen desensitization therapy within 4 weeks of randomization
History or evidence of cardiac abnormalities within the 6 months prior to randomization
Cirrhosis or current unstable liver or biliary disease per investigator assessment defined by the presence of ascites, encephalopathy, coagulopathy, hypoalbuminemia, esophageal or gastric varices, or persistent jaundice
Active infection requiring systemic therapy
Known HIV infection, or positive test for hepatitis B active infection (presence of hepatitis B surface antigen), or hepatitis C active infection
History of severe hypersensitivity to monoclonal antibodies or any ingredient used in the study treatment formulations
Known history of active tuberculosis
Any serious and/or unstable pre-existing medical (aside from malignancy), psychiatric disorder, or other condition that could interfere with participant's safety, obtaining informed consent, or compliance to the study procedures in the opinion of the investigator
Is currently participating in (unless in follow-up phase and 4 weeks have elapsed from last dose of prior investigational agent), or has participated in a study of an investigational agent or has used an investigational device within 4 weeks prior to date of randomization

Where it is running

GSK Investigational Site — Washington D.C., District of Columbia, United States
GSK Investigational Site — St. Petersburg, Florida, United States
GSK Investigational Site — Indianapolis, Indiana, United States
GSK Investigational Site — Boston, Massachusetts, United States
GSK Investigational Site — Charlotte, North Carolina, United States
GSK Investigational Site — Philadelphia, Pennsylvania, United States
GSK Investigational Site — Pittsburgh, Pennsylvania, United States
GSK Investigational Site — Charleston, South Carolina, United States
GSK Investigational Site — Greenville, South Carolina, United States
GSK Investigational Site — Chattanooga, Tennessee, United States
GSK Investigational Site — Nashville, Tennessee, United States
GSK Investigational Site — Seattle, Washington, United States
GSK Investigational Site — Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina
GSK Investigational Site — La Plata, Buenos Aires, Argentina
GSK Investigational Site — Buenos Aires, Argentina
GSK Investigational Site — San Juan, Argentina
GSK Investigational Site — Blacktown, New South Wales, Australia
GSK Investigational Site — St Leonards, New South Wales, Australia
GSK Investigational Site — Herston, Queensland, Australia
GSK Investigational Site — Heidelberg, Victoria, Australia
GSK Investigational Site — Melbourne, Victoria, Australia
GSK Investigational Site — Nedlands, Western Australia, Australia
GSK Investigational Site — Darlinghurst, Australia
GSK Investigational Site — Vitória, Espírito Santo, Brazil
GSK Investigational Site — Duarte, California, United States

Full record on ClinicalTrials.gov

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