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Randomized Controlled Trial
. 2007 May;105(2):427-33.
doi: 10.1016/j.ygyno.2006.12.027. Epub 2007 Feb 2.

Which clinical/pathologic factors matter in the era of chemoradiation as treatment for locally advanced cervical carcinoma? Analysis of two Gynecologic Oncology Group (GOG) trials

Bradley J Monk  1 , Chunqiao Tian, Peter G Rose, Rachelle Lanciano
Affiliations
Free PMC article
Randomized Controlled Trial

Which clinical/pathologic factors matter in the era of chemoradiation as treatment for locally advanced cervical carcinoma? Analysis of two Gynecologic Oncology Group (GOG) trials

Bradley J Monk et al. Gynecol Oncol. 2007 May.
Free PMC article

Abstract

Purpose: To explore clinical/pathologic factors associated with prognosis of patients with locally advanced cervical carcinoma treated with weekly cisplatin and pelvic radiation.

Methods: We retrospectively reviewed data from 335 women who received weekly cisplatin and radiation while participating in similar arms of two GOG studies (protocols 120 and 165). Progression-free survival (PFS) and overall survival (OS) were evaluated for associations between clinical/pathologic factors and prognosis. Prognosis and selected toxicities were also compared between studies.

Results: Four-year PFS and OS for stage II patients were 64.2% and 68.1%, respectively for those treated on GOG 120 and 65.8% and 73.9% for those treated on GOG 165, compared to 51.4% and 55.4% for stage III/IV patients respectively treated on GOG 120 and 37.7% and 42.7% respectively for those treated on GOG 165. In multivariate analysis, stage, tumor grade, race and age were independently predictive of PFS and OS (for all, p<0.05). Prolonged (delayed for any cause) radiation was associated with poorer PFS (hazard ratio [HR], 1.98; 95% confidence interval [CI], 1.16-3.38; p=0.012) and OS (HR, 1.88; 95% CI, 1.08-3.26; p=0.024) in GOG 165 but not GOG 120.

Conclusions: FIGO stage, tumor grade, race and age are prognostic in patients with locally advanced cervical carcinoma treated with concurrent cisplatin and radiation. This exploratory analysis has generated a hypothesis that clinical staging (as per GOG 165) is less sensitive in detecting aortic nodal metastases compared to surgical staging (as per GOG 120) and may be associated with poorer prognosis particularly when radiation is prolonged. Prospective clinical studies are needed to test this hypothesis.

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Figures

Figure 1
Figure 1
Estimated Progression-Free Survival for GOG 120 and GOG 165 by FIGO Stage
Figure 2
Figure 2
Estimated Progression-Free Survival for GOG 120 by FIGO Stage and RT Duration
Figure 3
Figure 3
Estimated Progression-Free Survival for GOG 165 by FIGO Stage and RT Duration
Figure 4
Figure 4
Grade 3 or 4 Toxicities by Protocol and FIGO stage
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