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Brief Title: Biomarker Discovery in Patients With Advanced Biliary Tract Cancer
Official Title: Discovery of Molecular Biomarkers for Predicting Response Through RNA Sequencing in Patients With Advanced Biliary Tract Cancer Who Received Nab-paclitaxel Plus Gemcitabine-cisplatin
Study ID: NCT04871321
Brief Summary: Biliary tract cancer is a rare gastrointestinal malignant neoplasm and includes intrahepatic cholangiocarcinoma, extrahepatic cholangiocarcinoma, and gall bladder cancer. Curative surgical resection offers the only chance for cure. However, most patients with BTC are diagnosed at an unresectable stage. Therefore, the survival outcomes of patients with advanced biliary tract cancer remain dismal. The combination of gemcitabine and cisplatin has become the current standard for advanced BTCs since the landmark ABC-02 trial in 2010. However, the median overall survival of Gem/Cis chemotherapy is less than 1 year. Recently, a triplet regimen of gemcitabine, cisplatin, and nab-paclitaxel showed promising results in a single-arm phase II multicenter study. However, biliary tract cancer is a group of heterogenous diseases by site and genetic alteration, and this diversity may lead differences in response to systemic chemotherapy. Transcriptome analysis through RNA-sequencing has rarely been performed in advanced biliary tract cancer, and even if it has performed, only small number of patients were included. Further research on multi-omics data is needed on the necessity and clinical significance in treatment of biliary tract cancer.
Detailed Description: Using biopsy specimen (formalin fixed paraffin embedded tissue), in-house NGS and RNA-sequencing will be performed simultaneously. Through this, investigators will discover biomarkers based on multi-omics data that predict response to systemic chemotherapy (nab-paclitaxel plus gemcitabine-cisplatin). In addition, blood sampling will be performed in parallel to conduct research on cell-free DNA and circulating tumor cell analysis related to response and progression on chemotherapy; before administration of chemotherapy, 3 months after chemotherapy, 6 months after chemotherapy, the time of disease progression (if possible), before curative resection (if possible).
Minimum Age: 19 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
CHA Bundang Medical Center, Seongnam-si, Gyeonggi-do, Korea, Republic of
Name: Hongjae Chon, MD,PhD
Affiliation: CHA University
Role: PRINCIPAL_INVESTIGATOR