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The DOI matches its Crossref record; 35 of the 35 references it cites were found in a registry or an index.

A meta‐analysis of survival rates of untreated patients in randomized clinical trials of hepatocellular carcinoma†

Open access
Cabibbo, Giuseppe, Enea, Marco, Attanasio, Massimo, Bruix, Jordi, Craxì, Antonio, Cammà, Calogero·2010·Hepatology

Abstract

UNLABELLED: Knowing the spontaneous outcome of hepatocellular carcinoma (HCC) is important for designing randomized controlled trials (RCTs) of new therapeutic approaches; however, survival of patients in the absence of treatment is highly variable, and prognostic factors influencing outcomes are incompletely defined. The aims of this meta-analysis were to estimate the 1-year and 2-year survival rates of untreated HCC patients enrolled in RCTs of palliative treatments, and to identify prognostic factors. RCTs evaluating therapies for HCC with placebo or no-treatment arms were identified on MEDLINE through April 2009. Data were combined in a random effect model. Primary outcomes were 1-year and 2-year survival. Thirty studies met the inclusion criteria. The pooled estimates of the survival rates were 17.5% at 1 year (95% confidence interval [95%CI], 11%-27%; range, 0%-75%) and 7.3% at 2 years (95%CI, 3.9%-13%; range, 0%-50%). Heterogeneity among studies was highly significant (P < 0.0001) both for 1-year and 2-year survival, and persisted when RCTs were stratified according to all patient and study features. Through meta-regression, impaired performance status, Child-Pugh B-C class, and presence of portal vein thrombosis were all independently associated with shorter survival. Ascites was strongly linked to a worse outcome in intermediate/advanced Barcelona Clinic Liver Cancer stages. CONCLUSION: This meta-analysis confirms the heterogeneity of behavior of untreated HCC and provides a sound basis for stratifying patients with HCC according to expected survival in future trials of new anti-cancer agents.

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Metadata

Authors
Cabibbo, G., Enea, M., Attanasio, M., Bruix, J., Craxì, A., & Cammà, C.
Venue
Hepatology
Published
2010-04
Volume
51
Issue
4
Pages
1274-1283
ISSN
0270-9139 (ISSN-L)
OpenAlex
W2051193106
Cited by
473
References
35
FWCI
9.60
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: A meta‐analysis of survival rates of untreated patients in randomized clinical trials of hepatocellular carcinoma†. https://app.cochat.ai/papers/10.1002/hep.23485
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Cabibbo, G., Enea, M., Attanasio, M., Bruix, J., Craxì, A., & Cammà, C. (2010). A meta‐analysis of survival rates of untreated patients in randomized clinical trials of hepatocellular carcinoma†. Hepatology. https://doi.org/10.1002/hep.23485

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.