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Immune Checkpoint Inhibitors

Patients receive cetuximab IV over 60-120 minutes on days 1, 8, and 15 of each cycle, docetaxel IV over 1 hour on day 1 or days 1 and 8 of each cycle, and cisplatin IV or carboplatin IV on day 1 or days 1 and 8 of each cycle. Treatment repeats every 21 days for up to 6 cycles in the absence of disease progression or unacceptable toxicity. Patients then receive cetuximab IV over 60-120 minutes on days 1, 8, and 15 or days 1 and 15 of each cycle of maintenance therapy. Cycles repeat every 21 days for 2 years in the absence of disease progression or unacceptable toxicity. Patients undergo a CT scan, a PET scan, and/or MRI throughout the trial. Patients may undergo ECHO during screening. Patients undergo blood sample collection throughout the study.

Patients receive bevacizumab IV over 30-90 minutes on day 1 of each cycle, docetaxel IV over 1 hour on day 1 or days 1 and 8 of each cycle, and cisplatin IV or carboplatin IV on day 1 or days 1 and 8 of each cycle. Treatment repeats every 21 days for up to 6 cycles in the absence of disease progression or unacceptable toxicity. Patients then receive bevacizumab IV over 30-60 minutes on day 1 of each cycle of maintenance therapy. Cycles repeat every 21 days for 2 years in the absence of disease progression or unacceptable toxicity. Patients undergo a CT scan, a PET scan, and/or MRI throughout the trial. Patients may undergo ECHO during screening. Patients undergo blood sample collection throughout the study.

Patients receive bevacizumab IV over 30-90 minutes on day 1 and atezolizumab over 30-60 minutes on day 1 of each cycle. Cycles repeat every 21 days for 2 years in the absence of disease progression or unacceptable toxicity. Patients undergo a CT scan, a PET scan, and/or MRI throughout the trial. Patients may undergo ECHO during screening. Patients undergo blood sample collection throughout the study.

Patients receive treatment as in Arm B or C above based on results of the Phase II trial.

Biospecimen Collection

Computed Tomography

Echocardiography

Magnetic Resonance Imaging

Positron Emission Tomography

Site Public Contact

Saad A. Khan

Harlan A. Pinto

Aarti Bhatia

Gregory A. Masters

Irina G. Veytsman

Chukwuemeka (Emeka) V. Ikpeazu

Shannon B. Keating

Nabil F. Saba

Yoshihito Saito

Alison K. Conlin

Prem Sobti

Thomas E. Lad

Ameen Salahudeen

Ari J. Rosenberg

James A. Wallace

Joseph J. Merchant

Joshua Lukenbill

Richard L. Deming

Ranee Mehra

Mei Tang

Tanguy Y. Seiwert

Dan P. Zandberg

William V. Walsh

David M. King

Martha Mapalo

Samer S. Kasbari

Tarek M. Sabagh

Howard M. Gross

Rex B. Mowat

Minh Phan

This phase II/III compares the standard therapy (chemotherapy plus cetuximab) versus adding bevacizumab to standard chemotherapy, versus combination of just bevacizumab and atezolizumab in treating patients with head and neck cancer that has spread to other places in the body (metastatic or advanced stage) or has come back after prior treatment (recurrent). Immunotherapy with monoclonal antibodies, such as atezolizumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Bevacizumab is in a class of medications called antiangiogenic agents. It works by stopping the formation of blood vessels that bring oxygen and nutrients to tumor. This may slow the growth and spread of tumor. Cetuximab is in a class of medications called monoclonal antibodies. It binds to a protein called EGFR, which is found on some types of cancer cells. This may help keep cancer cells from growing. Cisplatin and carboplatin are in a class of chemotherapy medications known as platinum-containing compounds. They work by killing, stopping, or slowing the growth of cancer cells. Docetaxel is in a class of chemotherapy medications called taxanes. It stops cancer cells from growing and dividing and may kill them. The addition of bevacizumab to standard chemotherapy or combination therapy with bevacizumab and atezolizumab may be better than standard chemotherapy plus cetuximab in treating patients with recurrent/metastatic head and neck cancers.

PRIMARY OBJECTIVES:

I. To evaluate progression-free survival (PFS) of patients treated with chemotherapy plus cetuximab, chemotherapy plus bevacizumab, and atezolizumab plus bevacizumab. (Phase II) II. To evaluate the overall survival (OS) of patients treated with chemotherapy plus cetuximab to the superior arm from the phase II portion of the protocol. (Phase III)

SECONDARY OBJECTIVES:

I. To evaluate the OS for the subset of patients with high PD-L1 expression, defined as combined positive score (CPS) \>= 20% on all arms of treatment.

II. To evaluate the toxicity of each arm of treatment.

IMAGING OBJECTIVES:

I. To establish the correlation between fludeoxyglucose F-18 (18F-FDG) positron emission tomography (PET) and computed tomography (CT) neck imaging biomarkers (maximum standard uptake value \[SUVmax\], metabolic tumor volume \[MTV\], total lesion glycolysis \[TLG\], tumor volume) and expression of PD-L1 expression (Low versus high, defined as CPS \< 20 versus CPS \>= 20).

II. To determine if 18FDG-PET/CT and CT neck imaging biomarkers at baseline will predict treatment response at nine to twelve weeks post the initiation of treatment, PFS, and OS.

EXPLORATORY OBJECTIVE:

I. To establish the correlation between 18F-FDG PET and CT neck radiomics features and PD-L1 expressions (Low versus high - defined as CPS \< 20 versus CPS \>= 20).

OUTLINE: This is a randomized phase II trial followed by a randomized phase III trial.

PHASE II: Patients are randomized to 1 of 3 arms.

ARM A: Patients receive cetuximab intravenously (IV) over 60-120 minutes on days 1, 8, and 15 of each cycle, docetaxel IV over 1 hour on day 1 or days 1 and 8 of each cycle, and cisplatin IV or carboplatin IV on day 1 or days 1 and 8 of each cycle. Treatment repeats every 21 days for up to 6 cycles in the absence of disease progression or unacceptable toxicity. Patients then receive cetuximab IV over 60-120 minutes on days 1, 8, and 15 or days 1 and 15 of each cycle of maintenance therapy. Cycles repeat every 21 days for 2 years in the absence of disease progression or unacceptable toxicity. Patients undergo a CT scan, a PET scan, and/or magnetic resonance imaging (MRI) throughout the trial. Patients may undergo echocardiography (ECHO) during screening.

ARM B: Patients receive bevacizumab IV over 30-90 minutes on day 1 of each cycle, docetaxel IV over 1 hour on day 1 or days 1 and 8 of each cycle, and cisplatin IV or carboplatin IV on day 1 or days 1 and 8 of each cycle. Treatment repeats every 21 days for up to 6 cycles in the absence of disease progression or unacceptable toxicity. Patients then receive bevacizumab IV over 30-60 minutes on day 1 of each cycle of maintenance therapy. Cycles repeat every 21 days for 2 years in the absence of disease progression or unacceptable toxicity. Patients undergo a CT scan, a PET scan, and/or MRI throughout the trial. Patients may undergo ECHO during screening.

ARM C: Patients receive bevacizumab IV over 30-90 minutes on day 1 and atezolizumab over 30-60 minutes on day 1 of each cycle. Cycles repeat every 21 days for 2 years in the absence of disease progression or unacceptable toxicity. Patients undergo a CT scan, a PET scan, and/or MRI throughout the trial. Patients may undergo ECHO during screening.

PHASE III: Patients are randomized to 1 of 2 arms.

ARM A: Patients receive cetuximab IV over 60-120 minutes on days 1, 8, and 15 of each cycle, docetaxel IV over 1 hour on day 1 or days 1 and 8 of each cycle, and cisplatin IV or carboplatin IV on day 1 or days 1 and 8 of each cycle. Treatment repeats every 21 days for up to 6 cycles in the absence of disease progression or unacceptable toxicity. Patients then receive cetuximab IV over 60-120 minutes on days 1, 8, and 15 or days 1 and 15 of each cycle of maintenance therapy. Cycles repeat every 21 days for 2 years in the absence of disease progression or unacceptable toxicity. Patients undergo a CT scan, a PET scan, and/or MRI throughout the trial. Patients may undergo ECHO during screening.

ARM B: Patients receive treatment as in Arm B or C above based on results of the Phase II trial.

Patients undergo blood sample collection throughout the study.

After completion of study treatment, patients are followed up at 30 days and then every 3 months if patient is \< 2 years from randomization and every 6 months if patient is 2-5 years from randomization.

Testing the Use of Investigational Drugs Atezolizumab and/or Bevacizumab With or Without Standard Chemotherapy in the Second-Line Treatment of Advanced-Stage Head and Neck Cancers

A Phase II/III Trial of Chemotherapy + Cetuximab vs Chemotherapy + Bevacizumab vs Atezolizumab + Bevacizumab Following Progression on Immune Checkpoint Inhibition in Recurrent/Metastatic Head and Neck Cancers

NCI is committed to sharing data in accordance with NIH policy. For more details on how clinical trial data is shared, access the link to the NIH data sharing policy page.

The imaging textural features from radiomics analysis will be associated with the dichotomized PD-L1 expressions. First, proper transformation will be applied to the textural features as needed to address the distribution skewness. Second, Pearson or Spearman rank correlations will be calculated between all pairs of textural features to identify highly correlated features. Third, to address overfitting and high collinearity, machine learning techniques (e.g., LASSO or XGBoost) will be employed for feature selection during the association analysis with PD-L1 expressions.

Will be compared using a stratified log rank test.

The interaction of PD-L1 by treatment will also be evaluated in a Cox proportional hazards model.

The two-sample t-test will be used to compare the difference of baseline 18F -FDG PET /CT imaging biomarkers (maximum standardized uptake value \[SUVmax\], metabolic tumor volume \[MTV\], total lesion glycolysis \[TLG\], tumor volume) between low and high expression of PD-L1.

Determined by 18FDG-PET/CT and CT neck imaging biomarkers. To determine if 18FDG-PET/CT and CT neck imaging biomarkers at baseline will predict treatment response at nine to twelve weeks post-treatment, PFS, and OS Logistic regression model will be fit to assess the association of the 18F -FDG PET /CT imaging biomarkers (e.g., SUVmax, MTV, TLG, tumor heterogeneity, tumor volume) with binary treatment response at 9-12 weeks post treatment. Cox proportional hazards models will be fit to assess the association of 18F -FDG PET /CT imaging biomarkers with time-to-event outcomes (PFS or OS).

National Cancer Institute (NCI)

Spots Global Cancer Trial Database for recurrent pharyngeal squamous cell carcinoma