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Risk factors for neuroblastoma at different stages of disease. Results from a population-based case-control study in
J Schüz1, U Kaletsch, R Meinert
1Institut für Medizinische Statistik und Dokumentation der Johannes Gutenberg-Universität, Mainz, D-55101 Mainz, Germany. schuez@imsd.uni-mainz.de
Insights
This study investigated risk factors for childhood neuroblastoma. Key findings suggest maternal use of hormones, shorter gestation, lower birth weight, and alcohol consumption are associated with increased risk, potentially indicating distinct disease types.
Area of Science:
- Pediatric Oncology
- Epidemiology
- Cancer Research
Background:
- Neuroblastoma is a significant childhood cancer.
- Understanding its risk factors is crucial for early detection and prevention strategies.
- Previous studies have explored various environmental and genetic factors.
Purpose of the Study:
- To identify potential risk factors associated with neuroblastoma in young children.
- To explore differences in risk factor associations based on disease stage.
- To contribute to the understanding of neuroblastoma heterogeneity.
Main Methods:
- Population-based case-control study design.
- Inclusion of 183 neuroblastoma cases and 1785 control children diagnosed between 1988-1994 in West Germany.
- Data collection via parental questionnaires and telephone interviews regarding potential risk factors.
Main Results:
- Positive associations observed with maternal oral contraceptive/sex hormone use (stronger in early stages), shorter gestational duration, lower birth weight, and maternal alcohol consumption.
- Associations with shorter gestation and maternal alcohol consumption were specific to advanced disease stages.
- Associations with maternal hormone use were specific to early disease stages, suggesting distinct neuroblastoma entities.
Conclusions:
- Maternal factors like hormone use, gestation length, birth weight, and alcohol consumption are linked to childhood neuroblastoma risk.
- The differential association of risk factors with early versus advanced stages supports the hypothesis of at least two distinct neuroblastoma subtypes.
- Further research into these distinct entities could lead to more targeted diagnostic and therapeutic approaches.
Abstract:
Neuroblastoma is one of the childhood cancers included in two recent population-based case-control studies in West Germany. Altogether, 183 children under the age of 8 with neuroblastoma diagnosed in 1988-1994 and 1785 control children sampled from population registration files participated. Information on potential risk factors was obtained from the children's parents by a self-administered questionnaire and subsequent telephone interview. We observed positive associations with the use of oral contraceptives or other sex hormones during pregnancy (particularly with male offspring), a shorter gestational duration, lower birth weight, and maternal alcohol consumption during pregnancy. While the association with maternal use of oral contraceptives or sex hormones was strong for stages I/II (odds ratio 4.5, 95% confidence interval 1.2-16.5), the associations with shorter gestation duration (odds ratio 3.4, 95% confidence interval 1.7-6.7) as well as maternal alcohol consumption during pregnancy (>7 glasses/week odds ratio 5.2, 95% confidence interval 1.3-20.6) were observed only for the unfavourable advanced stages. It is notable that the associations in our study were either observed only for the advanced stages of disease or only for the less advanced stages, but not for both subgroups. This adds to evidence for the hypothesis that neuroblastoma consists of at least two distinct disease entities, which differ in clinical stage at the time of diagnosis.