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Prospective, non-randomized, open-label, single-arm phase II trial to investigate the feasibility and efficacy of combining chemotherapy with tiragolumab and atezolizumab as neoadjuvant and adjuvant treatment for surgical NSCLC patients.
Full description
The present study is a prospective, investigator-initiated, single-arm, open-label phase II trial. Patients with non-small cell lung cancer of clinical stage II, IIIA and IIIB (T3N2 only) will receive 2 cycles platinum-based standard of care chemotherapy in combination with anti-TIGIT antibody tiragolumab and the anti-PD-L1 antibody atezolizumab followed by curative intent surgery. After surgery, patients not achieving pCR will receive additional 2 cycles chemotherapy in combination with tiragolumab and atezolizumab, followed by tiragolumab/atezolizumab only for up to one year (max 16 cycles) or until intolerable toxicity, disease progression or patients' request, whatever occurs first. Patients with pCR will receive the IO-IO antibodies only (without additional chemotherapy). The objective of this study is to investigate the feasibility, efficacy and safety of combining chemotherapy with tiragolumab and atezolizumab as neoadjuvant and adjuvant treatment for surgical NSCLC patients. Efficacy outcomes will be correlated to the accompanying in-depth translational analyses, which aim to understand the role of the tumor microenvironment in response to IO-IO therapies and to identify biomarkers that may be associated with response and resistance.
Enrollment
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Volunteers
Inclusion criteria
Has provided written informed consent
Patient* 18 years or older at time of signing informed consent form
Histologically confirmed NSCLC of squamous or non-squamous histology
Resectable clinical stage II, IIIA and IIIB (T3N2 only) NSCLC (according to UICC 8)
Adequate disease staging by PET and/or CT as per SOC (performed ≤ 42 days prior initiation of the study treatment)
At least 1 measurable lesion according to RECIST v1.1
ECOG performance status ≤ 1
Adequate lung and cardiac function for curative intend lung resection (R0) according to German S3 guideline
Eligibility to receive a platinum-based neoadjuvant chemotherapy
The patient is willing and able to comply with the protocol for the duration of the study, including hospital visits for treatment and scheduled follow-up visits and examinations.
The patient is willing and able to provide liquid and tissue samples for the accompanying translation project.
Adequate bone marrow and renal function including the following:
Adequate hepatic function (with stenting for any obstruction, if required) including the following:
Female patients who are considered as women of childbearing potential (WOCBP) must have a negative urine or serum pregnancy test within 7 days prior to start of trial.
Female patients who are considered as WOCBP must use any contraceptive method with a failure rate of less than 1% per year during the treatment as well as up to 5 months after the last dose of IMP. Male patients who are sexually active with WOCBP must use any contraceptive method with a failure rate of less than 1% per year during the treatment as well as at least 5 months after the last dose of IMP. Female patients who are not of childbearing potential (i.e., who are postmenopausal or surgically sterile, see section 5.1.5) as well as azoospermic male patients do not require contraception.
Exclusion criteria
Treatment in any other clinical trial with an investigational product within 30 days before screening
Clinical stage I, IIIB (T4N2), IIIC, nodal NSCLC stage cN3 and stage IV NSCLC
Positive testing of activating (TKI-responsive) EGFR-mutation, ROS1-mutation or known ALK fusion oncogene
Expected pneumonectomy at baseline to achieve curative intend resection
Any concurrent chemotherapy, investigational product (IMP), biologic, or hormonal therapy for cancer treatment. Concurrent use of hormonal therapy for non-cancer related conditions (e.g. hormone replacement therapy) is acceptable.
Malignancies other than NSCLC within 3 years prior to study inclusion with the exception of malignancies with a negligible risk of metastases or death (5-year OS > 90%) like localized prostate cancer, ductal carcinoma in situ, adequately treated carcinoma in situ of the cervix, Stage I uterine cancer, in-situ bladder cancer treated by BCG-Instillation, or non-melanoma skin carcinoma
History of allogeneic tissue / solid organ transplant or allogeneic stem cell transplantation
History of active primary immunodeficiency.
Clinical diagnosis of active tuberculosis.
Positive testing for hepatitis B virus surface antigen (HBV sAg) or hepatitis C virus (HCV) RNA indicating acute or chronic infection. Patients with a past or resolved HBV infection (defined as the presence of hepatitis B core antibody [anti-HBc] and absence of HBsAg) are eligible. Patients positive for HCV antibody are eligible only if polymerase chain reaction is negative for HCV RNA.
Positive testing for human immunodeficiency virus (HIV) or known acquired immunodeficiency syndrome (AIDS).
Female patients who are pregnant or breastfeeding or male or female patients of reproductive potential who are not willing to employ effective birth control from screening to 5 months after the last dose of atezolizumab/tiragolumab.
Active or prior documented autoimmune or inflammatory disorders (including but not limited to diverticulitis [with the exception of diverticulosis], celiac disease, systemic lupus erythematosus, Sarcoidosis, or Wegener's syndrome [granulomatosis with polyangiitis], Graves' disease, rheumatoid arthritis, hypophysitis, uveitis). The following are exceptions to this criterion:
Active, uncontrolled inflammatory bowel disease [e.g. ulcerative colitis or Crohn's disease]. Patients in stable remission for more than 1 year may be included.
Uncontrolled intercurrent illness, including but not limited to, ongoing or active infection, symptomatic congestive heart failure, uncontrolled hypertension, unstable angina pectoris, uncontrolled cardiac arrhythmia, interstitial lung disease, gastrointestinal conditions associated with diarrhea, or psychiatric illness/social situations that would limit compliance with study requirement, substantially increase risk of incurring AEs or compromise the ability of the patient to give written informed consent.
Current or prior use of immunosuppressive medication within 14 days before the first dose of atezolizumab/tiragolumab. The following are exceptions to this criterion:
Treatment with systemic immunostimulatory agents (including, but not limited to, interferon and IL-2) within 4 weeks or 5 drug-elimination half-lives (whichever is longer) prior to initiation of study treatment
History of idiopathic pulmonary fibrosis, interstitial lung disease, organizing pneumonia, drug-induced pneumonitis, or evidence of active pneumonitis on screening chest Computed Tomography (CT) scan.
Prior treatment with CD137 agonist or immune checkpoint blockade therapies, such as anti-TIGIT, anti-PD-1 and anti-PD-L1 therapeutic antibody
Live vaccine within 30 days prior to first dose of trial treatment
Known allergy or hypersensitivity to any component of the chemotherapy regimen or to the IMP or any constituents of the products
Any co-existing medical condition that in the investigator's judgement will substantially increase the risk associated with the patient's participation in the study.
Patient who has been incarcerated or involuntarily institutionalized by court order or by the authorities.
Patients who are unable to consent because they do not understand the nature, significance and implications of the clinical trial and therefore cannot form a rational intention in the light of the facts
Primary purpose
Allocation
Interventional model
Masking
35 participants in 1 patient group
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Central trial contact
Florian Eichhorn, Dr.; Christina Kopp
Data sourced from clinicaltrials.gov
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