OBJECTIVE
To determine prognostic factors in resectable common bile duct (CBD) cancer and feasibility of adjuvant therapy.
MATERIAL AND METHODS
We retrospectively studied the results of pancreatoduodenectomy for CBD cancer in 1999—2023.
RESULTS
There were 89 patients, mortality rate was 5.6% (n=5), complications developed in 66 patients (74.2%), complications ≥ grade III — in 37 (41.7%) cases. Postoperative pancreatic fistula (POPF) grade B/C was detected in 29 (32.6%) cases. Postoperative chemotherapy was administered to 43 patients (gemcitabine-based therapy — 27, capecitabine alone — 15, capecitabine/oxaliplatin combination — 1). The median overall survival was 33 months, disease-free survival — 19 months. Among patients selected for assessment of long-term results (n=79), the median OS was 37 months, DFS — 30 months. Retroperitoneal invasion (RPI), pancreatic invasion (PI), perineural invasion (PNI), moderate/poor differentiation, R1 resection, retroperitoneal lymph node (LN) involvement worsened long-term results in multivariate analysis, regional LN involvement and elevated CA 19-9 — in univariate analysis. Accumulation of factors worsened prognosis. Postoperative chemotherapy improved OS (median OS 35 months vs. 16.5, p=0.035) in patients with two or more negative prognostic factors. Chemotherapy mode did not affect prognosis.
CONCLUSION
Retroperitoneal, pancreatic and perineural invasion, R1 resection, moderate/poor tumor differentiation, lymph node involvement and elevated CA 19-9 are negative prognostic factors in CBD cancer. Postoperative capecitabine monotherapy is justified in patients with two or more negative factors.