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Optimal treatments for cervical adenocarcinoma.

ABSTRACT: To compare the effects of curative surgery and curative definitive concurrent chemoradiotherapy (CCRT) on cervical adenocarcinoma (AC) by conducting a national cohort study with a large sample size, we enrolled women with cervical AC and categorized them into two groups according to treatment modality to compare treatment outcomes: group 1, comprising patients who received curative surgery, and group 2, comprising patients who received curative definitive CCRT. Data of 1,621 patients with cervical AC were extracted from the Taiwan Cancer Registry database. Univariate and multivariate Cox regression analysis results indicated that high American Society of Anesthesiologists scores, advanced American Joint Committee on Cancer (AJCC) clinical stage, and curative definitive CCRT were significant independent poor prognostic factors. The adjusted hazard ratio (aHR; 95% confidence interval [CI]) for overall mortality in early invasive clinical stages (IB-IIA) was 1.27 (0.77-2.69) in group 2 compared with group 1, whereas that for overall mortality at AJCC clinical stage IIB was 2.46 (1.34-4.53) in group 2 compared with group 1. The aHR (95% CI) for overall mortality at advanced clinical stages (III and IV) was 1.47 (1.09-1.97) in group 2 compared with group 1. Curative surgery improves survival in cervical AC at advanced clinical stages. Either curative surgery or definitive CCRT is an option in the early invasive clinical stages of cervical AC.

SUBMITTER: Wu SY

PROVIDER: S-EPMC6610057 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Optimal treatments for cervical adenocarcinoma.

Wu Szu-Yuan SY Huang Eng-Yen EY Lin Hao H

American journal of cancer research 20190601 6

To compare the effects of curative surgery and curative definitive concurrent chemoradiotherapy (CCRT) on cervical adenocarcinoma (AC) by conducting a national cohort study with a large sample size, we enrolled women with cervical AC and categorized them into two groups according to treatment modality to compare treatment outcomes: group 1, comprising patients who received curative surgery, and group 2, comprising patients who received curative definitive CCRT. Data of 1,621 patients with cervic ...[more]

PMID: 31285954

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Project description:BackgroundThis study aims to assess the most efficient combinations of vaccination and screening coverage for the prevention of cervical cancer (CC) at different levels of expenditure in Nigeria.MethodsAn optimization procedure, using a linear programming approach and requiring the use of two models (an evaluation and an optimization model), was developed. The evaluation model, a Markov model, estimated the annual number of CC cases at steady state in a population of 100,000 women for four alternative strategies: screening only; vaccination only; screening and vaccination; and no prevention. The results of the Markov model for each scenario were used as inputs to the optimization model determining the optimal proportion of the population to receive screening and/or vaccination under different scenarios. The scenarios varied by available budget, maximum screening and vaccination coverage, and overall reachable population.ResultsIn the base-case optimization model analyses, with a coverage constraint of 20% for one lifetime screening, 95% for vaccination and a budget constraint of $1 per woman per year to minimize CC incidence, the optimal mix of prevention strategies would result in a reduction of CC incidence of 31% (3-dose vaccination available) or 46% (2-dose vaccination available) compared with CC incidence pre-vaccination. With a 3-dose vaccination schedule, the optimal combination of the different strategies across the population would be 20% screening alone, 39% vaccination alone and 41% with no prevention, while with a 2-dose vaccination schedule the optimal combination would be 71% vaccination alone, and 29% with no prevention. Sensitivity analyses indicated that the results are sensitive to the constraints included in the optimization model as well as the cervical intraepithelial neoplasia (CIN) and CC treatment cost.ConclusionsThe results of the optimization model indicate that, in Nigeria, the most efficient allocation of a limited budget would be to invest in both vaccination and screening with a 3-dose vaccination schedule, and in vaccination alone before implementing a screening program with a 2-dose vaccination schedule.

Dataset Information

Optimal treatments for cervical adenocarcinoma.

Publications

Optimal treatments for cervical adenocarcinoma.

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