Suggestion of added value by bevacizumab to chemotherapy in patients with unresectable or recurrent small bowel cancer

Kotoe Takayoshi, Hitoshi Kusaba, Masato Uenomachi, Kenji Mitsugi, Chinatsu Makiyama, Akitaka Makiyama, Keita Uchino, Tsuyoshi Shirakawa, Yoshihiro Shibata, Yudai Shinohara, Kyoko Inadomi, Kenji Tsuchihashi, Shuji Arita, Hiroshi Ariyama, Taito Esaki, Koichi Akashi, Eishi Baba

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)


Purpose: Standard therapy for advanced small bowel adenocarcinoma (SBA) has not yet been established. The present study assessed the efficacy and safety of chemotherapy (CT) in association with molecular targeting approaches for SBA. Methods: The histories of 33 advanced SBA patients from six different institutions in Japan, who received CT from 2008 to 2016, were retrospectively examined for background, clinical course and outcome. Results: Median patient age was 65 years (range 39–83). Primary tumor was located in the duodenum in 21 patients (67%), the ampulla of Vater in three patients (9%), the jejunum in seven patients (21%) and the ileum in one patient (3%). Histologically, well-to-moderately and poorly differentiated adenocarcinoma were identified in 20 (61%) and nine (27%) patients, respectively. Thirteen patients received a single CT regimen, seven patients received two types of CT regimen, and 13 patients received three or more CT regimens. As first-line CT, modified FOLFOX6, capecitabine plus oxaliplatin, and S-1 plus cisplatin were employed in 13, 1, and 4 patients, respectively. The response rate (RR) and median progression-free survival (PFS) were 25% and 6.0 months, respectively. Median overall survival (OS) was 13.0 months. Nine out of the 33 patients received bevacizumab-containing CT and three received cetuximab-containing CT. Median OS of bevacizumab-containing CT patients was 21.9 months. No unexpected serious adverse events were observed. Conclusions: The analysis indicates that combination CT for advanced SBA is associated with modest efficacy and safety, and bevacizumab-containing CT may contribute to favorable outcome in these patients.

Original languageEnglish
Pages (from-to)333-342
Number of pages10
JournalCancer chemotherapy and pharmacology
Issue number2
Publication statusPublished - Aug 1 2017

All Science Journal Classification (ASJC) codes

  • Oncology
  • Toxicology
  • Pharmacology
  • Cancer Research
  • Pharmacology (medical)


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