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Updated: Jul 27, 2026

Evaluating the Effectiveness of Cancer Drug Sensitization In Vitro and In Vivo
Published on: February 6, 2015
The quandary of cancer prevention
P Reizenstein1, B Modan, L H Kuller
1Karolinska Institute, Department of Hematology, Stockholm, Sweden.
Abstract:
The incidence and mortality due to the major cancers such as lung, breast, colon-rectum, prostate, and ovary have changed very little over the past 20-30 years, in spite of the introduction of important new treatments and apparent prolongation of survival of patients with these cancers. The new strategies focus on earlier detection and primary prevention of cancer. Three approaches for prevention are receiving increasing prominence as an approach to reducing the incidence of cancer: (1) control of common source environmental carcinogens, (2) modification of personal health behavior believed to increase or decrease the risk of cancer, and (3) identification of specific genotypes that increase the risk of cancer. All of these approaches offer some hope of reducing cancer incidence and morbidity. All will be costly and, therefore, require careful evaluation. It is likely that the changes in personal health behaviors will have the greatest overall impact on cancer incidence. Identification of specific genotypes will be of importance for high risk families. At present, it is unlikely that control of environmental common sources will substantially reduce cancer incidence without better measures of exposure and risk of disease.
Insights
Cancer prevention strategies are shifting towards early detection and primary prevention. Lifestyle changes show the greatest potential for reducing cancer incidence, while genetic identification aids high-risk families.
Area of Science:
- Oncology
- Cancer Prevention Research
- Public Health
Background:
- Major cancer incidence and mortality rates have remained largely unchanged despite advances in treatment.
- Existing treatments offer survival benefits but haven't significantly reduced overall cancer burden.
- New strategies are essential to combat the persistent challenge of cancer morbidity and mortality.
Purpose of the Study:
- To evaluate emerging strategies for cancer prevention, focusing on reducing incidence and morbidity.
- To assess the potential impact and cost-effectiveness of different cancer prevention approaches.
- To guide future research and public health initiatives in cancer control.
Main Methods:
- Review of current cancer prevention strategies, including environmental carcinogen control, behavioral modification, and genetic risk identification.
- Analysis of the potential impact of each prevention approach on cancer incidence and morbidity.
- Consideration of the cost and feasibility of implementing these strategies.
Main Results:
- Personal health behavior modification is anticipated to have the most significant impact on overall cancer incidence.
- Identification of specific genotypes is crucial for targeted interventions in high-risk families.
- Control of environmental carcinogens requires improved exposure and risk assessment methods to substantially reduce cancer incidence.
Conclusions:
- Cancer prevention is increasingly focusing on early detection and primary interventions.
- Lifestyle changes represent the most promising avenue for widespread cancer incidence reduction.
- Genetic screening and environmental control require further development for optimal cancer prevention outcomes.
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