Tumor sidedness and efficacy of first-line therapy in patients with RAS/BRAF wild-type metastatic colorectal cancer: A network meta-analysis

Chih Chien Wu, Jui Ho Wang, Pei Chin Lin, Chun An Liang, Ching Ying Huang, Han Chu Lien, Chung Yu Chen, Kang Ju Chou, Yi Chia Su*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

19 Scopus citations

Abstract

We conducted a systemic search of several databases for randomized controlled trials (RCTs) that reported efficacy and safety outcomes of drugs for left-sided and right-sided metastatic colorectal cancer (mCRC), to identify the best available treatment. A network meta-analysis with mixed comparisons was created to interpret the best treatment option using the surface under the cumulative ranking curve. In the left-sided rat sarcoma (RAS) wild-type (WT) mCRC patients, bevacizumab, panitumumab, or cetuximab with chemotherapy groups showed a significantly better objective response rate than the chemotherapy alone group. The progression-free survival (PFS) and overall survival were better with panitumumab or cetuximab with chemotherapy than with chemotherapy alone. In the right-sided RAS WT mCRC patients, PFS for bevacizumab with chemotherapy was significantly better than that for cetuximab with chemotherapy. Cetuximab, closely followed by panitumumab, is the most effective treatment in left-sided RAS WT mCRC. Bevacizumab is more effective in right-sided mCRC.

Original languageEnglish
Article number102823
JournalCritical Reviews in Oncology/Hematology
Volume145
DOIs
StatePublished - Jan 2020

Keywords

  • First-line therapy
  • Metastatic colorectal cancer
  • Network meta-analysis
  • Targeted agents
  • Tumor sidedness

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