Would Lipophilic Statin Therapy as a Prognostic Factor Improve Survival in Patients With Uterine Cervical Cancer?

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Abstract

Objectives

In vitro studies showed that lipophilic statins inhibit cell growth, adhesion, and invasion and induce apoptosis in cancer cell lines. In uterine cervical cancer, several important factors including age, stage, anemia, lymphovascular invasion, lymph node metastases, and parametrial spread were known to significantly predict survival. We investigated whether statin therapy as a prognostic factor would significantly predict survival in cervical cancer.

Methods

Patients with stages IB to IV cervical cancer who received radical hysterectomy and/or para-aortic lymph node dissection were included. The statin-use group was identified as patients who were continuously prescribed with lipophilic statins from prediagnostic period of the cancer.

Results

The baseline characteristics of both statin-use group and control group were comparable. During a median follow-up of 36.6 months, progression-free survival and overall survival of the statin-use group were significantly higher than the control group (P < 0.001 and P = 0.004, respectively). In multivariate analysis, the statin-use group had an independent prognostic significance compared with other prognostic factors (progression-free survival: hazards ratio = 0.062, 95% confidence interval = 0.008–0.517, P = 0.010; overall survival: hazards ratio = 0.098, 95% confidence interval = 0.041–0.459, P = 0.032).

Conclusions

In the present study, continuous lipophilic statin therapy from the prediagnostic period of uterine cervical cancer could reflect favorable outcome, independently.

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