Cervical Cancer Clinical Trial
Official title:
A Prospective Study of Dynamic Monitoring Specific Immune Response in Locally Advanced Cervix Cancer After Radio-chemotherapy
Perspectives:
To analyse if the change of specific immune response will correlate with clinical effect of
advanced cervix cancer after radio-chemotherapy.
To evaluate the specific immune response throughout monitor the change of the programmed
death-1(PD-1) in CD8 T cell and CD4 T cell and Treg cell in blood at baseline, before first
brachytherapy and before the last brachytherapy in the advanced Cervix Cancer patients.
To use immunohistochemistry (IHC) technique to monitor the change of programmed death-ligand
1 (PD-L1),CD68,CD8,CD4,PD1 and Treg expression in biopsy at baseline, before first
brachytherapy and before the last brachytherapy in the advanced Cervix Cancer patients.
To detect the change of T cell receptor(TCR) repertoire and Tumor mutation burden (TMB) at
baseline, before first brachytherapy and before the last brachytherapy in the advanced Cervix
Cancer patients.
Cervical cancer is the fourth most common cancer among women worldwide. At present, patients
with cervical cancer are treated with radical hysterectomy and pelvic lymphadenectomy or
chemoradiation. To improve the prognosis of cervical cancer patients, novel immunotherapeutic
strategies need to be developed. Now there are some clinical phase I/II trials ongoing to
assess the effects of ipilimumab, pembrolizumab and nivolumab in advanced cervical cancer,but
information on the clinical significance of PD-L1 expression in cervical cancer is largely
lacking.In this study, the investigator's primary objective:
To analyse if the change of specific immune response will correlate with clinical effect of
advanced cervix cancer after radio-chemotherapy.
To evaluate the specific immune response throughout monitor the change of PD-1 in CD8 T cell
and CD4 T cell and Treg cell in blood at baseline, before first brachytherapy and before the
last brachytherapy in the advanced Cervix Cancer patients.
To use IHC technique to monitor the change of PD-L1, CD68,CD8,CD4,PD1 and Treg expression in
biopsy at baseline, before first brachytherapy and before the last brachytherapy in the
advanced Cervix Cancer patients.
To detect the change of TCR repertoire and TMB at baseline, before first brachytherapy and
before the last brachytherapy in the advanced Cervix Cancer patients.
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