Related Experiment Video
Updated: May 22, 2026

Endobronchial Ultrasound-guided Intratumoral Injection of Cisplatin for the Treatment of Isolated Mediastinal Recurrence of Lung Cancer
Published on: February 12, 2017
Durvalumab plus gemcitabine-cisplatin versus S-1 plus gemcitabine-cisplatin in advanced biliary tract cancer: a
Background And Purpose:
Following the TOPAZ-1 trial, chemoimmunotherapy with durvalumab plus gemcitabine and cisplatin (GCD) became the standard first-line treatment of advanced biliary tract cancer (BTC). This study aimed to compare the therapeutic efficacy of GCD and gemcitabine, cisplatin, and S-1 (GCS).
Methods:
This single-center, retrospective study consecutively included patients with advanced BTC receiving primary treatment with GCD or GCS between November 2018 and August 2024.
Results:
A total 265 patients with advanced BTC were included: 97 were treated with GCD and 168 were treated with GCS. Median overall survival (OS) was 17.1 months [95% confidence interval (CI) 12.7-20.6 months] in the GCD group versus 18.3 months (95% CI 15.4-20.4 months) in the GCS group, with no statistically significant difference (P = 0.509). Median progression-free survival (PFS) was 8.0 months (95% CI 5.9-9.6 months) in the GCD group versus 8.9 months (95% CI 7.1-11.4 months) in the GCS group (P = 0.077). No differences were noted in objective response rates, whereas median duration of response (DoR) was significantly longer in the GCS group (12.7 months) than that in the GCD group (7.5 months) (P = 0.022). Patients with ARID1A or PIK3CA alterations, or with SMAD4 wild-type, had better OS with GCS than with GCD.
Conclusion:
GCD and GCS provide comparable survival outcomes and safety in clinical practice, with a significantly longer DoR in the GCS group. Alongside GCD, GCS represents one of the standard treatment options for advanced BTC.
