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Current Status of Targeted Therapy for Biliary Tract Cancer in the Era of Precision Medicine
Takafumi Mie1, Takashi Sasaki1, Takeshi Okamoto1
1Department of Hepato-Biliary-Pancreatic Medicine, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo 135-8550, Japan.
Abstract:
First-line chemotherapy has been established for advanced biliary tract cancer (BTC). However, few treatment options are available as second-line treatment. Advances in comprehensive genomic analysis revealed that nearly half of patients with BTC harbor targetable genetic alterations such as fibroblast growth factor receptor (FGFR), isocitrate dehydrogenase (IDH), BRAF, human epidermal growth factor receptor 2 (HER2), microsatellite instability (MSI)-high, neurotrophic tropomyosin receptor kinase (NTRK), rearranged during transfection (RET), and poly (adenosine diphosphate-ribose) polymerase (PARP). This review summarizes currently available options in precision medicine and clinical trials for patients with advanced BTC.
Insights
Precision medicine offers new hope for advanced biliary tract cancer (BTC) patients. Genomic analysis reveals targetable alterations, guiding second-line treatment options and clinical trials for improved outcomes.
Area of Science:
- Oncology
- Genomics
- Precision Medicine
Background:
- Advanced biliary tract cancer (BTC) has limited second-line treatment options after initial chemotherapy.
- Comprehensive genomic analysis is revealing actionable targets in BTC.
Purpose of the Study:
- To review current precision medicine strategies for advanced BTC.
- To summarize available clinical trials for patients with advanced BTC.
Main Methods:
- Review of scientific literature and clinical trial databases.
- Analysis of genomic alterations in advanced BTC.
Main Results:
- Nearly half of advanced BTC patients possess targetable genetic alterations.
- Identified targets include FGFR, IDH, BRAF, HER2, MSI-high, NTRK, RET, and PARP.
Conclusions:
- Precision medicine offers promising therapeutic avenues for advanced BTC.
- Targeted therapies and clinical trials are expanding treatment possibilities for BTC patients.
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