Metastatic colorectal cancer: Therapeutic options

Smitha Patiyil, Steven Robert Alberts

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

For the past several decades, the therapy for metastatic colorectal cancer had modest benefits because of the limited therapeutic options. Bolus 5-fluorouracil (5FU) and leucovorin (LV) were the standard of care in the United States until 2002, with a response rate of 25% and a median survival of 10 to 12 months. However, with the advent of new agents, namely oxaliplatin and irinotecan, there has been a dramatic change in the way we treat metastatic colorectal cancer. Based on many well-conducted large randomized trials, we have evidence that combination chemotherapy incorporating oxaliplatin or irinotecan with infusional 5FU/LV is superior to 5FU/LV, with doubling of overall survival (OS) to approximately 20 months. There remains some uncertainty as to the best first-line regimen. This might be irrelevant because studies have shown that OS is dependent on exposure to all the active agents, regardless of the time period of exposure. Bevacizumab, which uses anti-angiogenic strategies, has improved disease-free survival (DFS) and OS when combined with standard chemotherapy and is a vital component of metastatic cotorectal cancer therapy. However, there are no data supporting its use past progression. Cetuximab, an epithelial growth factor receptor inhibitor, is mainly used in irinoteca-refractory patients. In spite of all these advances, 5-year OS rates continue to be limited. Patients with curative resection of metastatic disease seem to have longer DFS and better 5-year OS rates. This should be a potential goal for responding patients with upfront unresectable, organ-limited disease.

Original languageEnglish (US)
Pages (from-to)389-398
Number of pages10
JournalCurrent Treatment Options in Oncology
Volume7
Issue number5
DOIs
StatePublished - Sep 2006

Fingerprint

irinotecan
oxaliplatin
Leucovorin
Colorectal Neoplasms
Fluorouracil
Survival
Disease-Free Survival
Survival Rate
Growth Factor Receptors
Therapeutics
Standard of Care
Combination Drug Therapy
Uncertainty
Drug Therapy
Neoplasms

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Metastatic colorectal cancer : Therapeutic options. / Patiyil, Smitha; Alberts, Steven Robert.

In: Current Treatment Options in Oncology, Vol. 7, No. 5, 09.2006, p. 389-398.

Research output: Contribution to journalArticle

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