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Efficacy of neoadjuvant chemotherapy in patients with FIGO stage IB1 to IIA cervical cancer: an international collaborative meta-analysis.

Authors
Kim, HS; Sardi, JE; Katsumata, N; Ryu, HS; Nam, JH; Chung, HH; Park, NH; Song, YS; Behtash, N; Kamura, T; Cai, HB; Kim, JW
Citation
European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology, 39(2):115-124, 2013
Journal Title
European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology
ISSN
0748-79831532-2157
Abstract
BACKGROUND: The efficacy of neoadjuvant chemotherapy before surgery (NCS) has not been well-established in FIGO stage IB1 to IIA cervical cancer when compared with primary surgical treatment (PST). Thus, we performed a meta-analysis to determine the efficacy of NCS in patients with FIGO stage IB1 to IIA cervical cancer when compared with PST.



METHODS: We searched Pubmed, Embase and the Cochrane Library between January 1987 and September 2010. Since there was a relative lack of relevant randomized controlled trials (RCTs), we included 5 RCTs and 4 observational studies involving 1784 patients among 523 potentially relevant studies.



RESULTS: NCS was related with lower rates of large tumor size (≥4 cm) (ORs, 0.22 and 0.10; 95% CI, 0.13-0.39 and 0.02-0.37) and lymph node metastasis (ORs, 0.61 and 0.38; 95% CI, 0.37-0.99 and 0.20-0.73) than PST in all studies and RCTs. Furthermore, NCS reduced the need of adjuvant radiotherapy (RT) in all studies (OR, 0.57; 95% CI, 0.33-0.98), and distant metastasis in all studies and RCTs (ORs, 0.61 and 0.61; 95% CI, 0.42-0.89 and 0.38-0.97). However, overall and loco-regional recurrences and progression-free survival were not different between the 2 treatments. On the other hand, NCS was associated with poorer overall survival in observational studies when compared with PST (HR, 1.68; 95% CI, 1.12-2.53).



CONCLUSIONS: Although NCS reduced the need of adjuvant RT by decreasing tumor size and lymph node metastasis, and distant metastasis, it failed to improve survival when compared with PST in patients with FIGO stage IB1 to IIA cervical cancer.
MeSH terms
Antineoplastic Combined Chemotherapy Protocols/*therapeutic useChemotherapy, AdjuvantDisease-Free SurvivalFemaleHumansHysterectomyInternational CooperationLymphatic MetastasisNeoadjuvant Therapy/*methodsNeoplasm Recurrence, Local/prevention & controlNeoplasm StagingObservationOdds RatioRadiotherapy, AdjuvantRandomized Controlled Trials as TopicResearch DesignRisk FactorsTreatment OutcomeUterine Cervical Neoplasms/*drug therapy/*pathology/radiotherapy/surgery
DOI
10.1016/j.ejso.2012.09.003
PMID
23084091
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Obstetrics & Gynecology
AJOU Authors
유, 희석
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