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Clinical Trial Summary

The expression level of PD-L1 on tumor cells is a pivotal point which might have some influence on prognosis, especially for those who might use PD-1 or PD-L1 antibody for treatment. The aim of this study is to detect the expression of PD-1 on advaced osteosarcoma patient who might use these antibodies for treatment. All those specimen should be taken by pathologist and confirmed with high tumor cellularity.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT03582527
Study type Observational [Patient Registry]
Source Peking University People's Hospital
Contact Lu Xie, M.D.
Phone +86-13401044719
Email sweetdoctor@163.com
Status Recruiting
Phase
Start date June 1, 2018
Completion date February 15, 2020

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