Practice Point

Nature Clinical Practice Oncology (2007) 4, 628-629
doi:10.1038/ncponc0936  
Received 10 July 2007 | Accepted 6 August 2007 | Published online: 4 September 2007

The CA125 antigen level as a prognostic versus a predictive test in epithelial ovarian cancer

Maurie Markman

Correspondence The University of Texas, MD Anderson Cancer Center, (Mail Box #121), 1515 Holcombe Boulevard, Houston, TX 77030, USA

Email
 mmarkman@mdanderson.org

This article has no abstract so we have provided the first paragraph of the full text.

The serum level of the CA125 antigen has been documented as a useful marker for evaluating the status of disease in individual patients with EOC.1, 2 A rising antigen level, confirmed on repeat laboratory testing, provides very strong evidence for progression of the disease process. Conversely, a declining value is a reliable indicator of a biological response to a particular therapeutic program. Further, formal criteria have been developed and accepted by the international clinical gynecologic cancer research community, for the employment of specific changes in the CA125 antigen level as objective measures of clinical disease progression in studies of EOC.3

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