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Wiley, Cochrane Library, 2012

DOI: 10.1002/14651858.cd007406.pub3

Cochrane Collaboration, Cochrane Database of Systematic Reviews

DOI: 10.1002/14651858.cd007406.pub2

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DOI: 10.1002/14651858.cd007406

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Neoadjuvant chemotherapy plus surgery versus surgery for cervical cancer.

Journal article published in 2008 by Larysa Rydzewska, Cl L. Vale ORCID, Jayne Tierney, Sarah Burdett, Pr R. Symonds
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

BACKGROUND: A previous systematic review found that giving neoadjuvant chemotherapy before surgery improved survival compared with radiotherapy. However, the role of neoadjuvant chemotherapy followed by surgery versus surgery alone is still unclear. OBJECTIVES: To assess the role of neoadjuvant chemotherapy in women with early or locally-advanced cervical cancer. SEARCH METHODS: We searched the Cochrane Central Register of Controlled Trials (CENTRAL, The Cochrane Library) (to Issue 8, 2012), MEDLINE (OVID) (to Aug 2012), LILACS (to Aug 2012), Physician's Data Query (PDQ) (to Aug 2012). We sought both published and unpublished trials and undertook systematic searches of a number of trial sources with no restrictions. SELECTION CRITERIA: Randomised trials comparing neoadjuvant chemotherapy with surgery in women with early or locally-advanced cervical cancer who had not undergone any prior treatment likely to interfere with the treatment comparison. Trials giving radical radiotherapy for inoperable tumours and/or post-operative radiotherapy were also eligible. The primary outcome was overall survival (OS). Secondary outcomes were progression-free survival (PFS), local and distant recurrence, rates of resection and surgical morbidity. DATA COLLECTION AND ANALYSIS: Two authors independently extracted and checked data from trial reports, Depending on the type of outcome, trial hazard ratios (HRs) and odds ratios (ORs) were obtained or estimated from trial reports, or sought from trial investigators. MAIN RESULTS: Six trials (1078 women) were identified for inclusion in this updated review. All six trials provided data on OS (1071 women) and PFS (1027 women). Data on resection rates and pathological response were only available for five trials (908 to 940 women) and data on recurrence were only available for four trials (737 women). Both OS (HR 0.77, 95% confidence interval (CI) 0.62 to 0.96, P = 0.02) and PFS (HR 0.75, 95% CI 0.61 to 0.93, P = 0.008) were significantly improved with neoadjuvant chemotherapy. The estimate for local recurrence was in favour of neoadjuvant chemotherapy (OR 0.67, 95% CI 0.45 to 0.99, P = 0.04), although heterogeneity was observed. The result was no longer significant when the random-effects model was used (OR 0.60, 95% CI 0.32 to 1.12, P = 0.11). Whilst not significant, estimates for distant recurrence (OR 0.72, 95% CI 0.45 to 1.14, P = 0.16) and rates of resection (OR 1.55, 95% CI 0.96 to 2.50, P = 0.07) tended to favour neoadjuvant chemotherapy, although heterogeneity was observed. Exploratory analyses of pathological response showed a significant decrease in adverse pathological findings with neoadjuvant chemotherapy (OR 0.54, 95% CI 0.40 to 0.73, P =