Investigating Inhaled Resveratrol for Lung Cancer Prevention
Introduction to Resveratrol
Recent research has focused on the potential of an inhaled form of resveratrol, a naturally occurring compound found in grapes and red wine, to prevent lung cancer. Resveratrol is widely recognized for its cancer-preventing properties, primarily found in grapes, peanuts, berries, and red wine. While it has demonstrated effectiveness against cancers in the digestive tract, it has not shown the same results for lung cancer. This lack of effectiveness is attributed to the rapid metabolism and elimination of resveratrol from the body when ingested, preventing it from reaching the lungs in adequate amounts.
The Impact of Lung Cancer
Lung cancer remains the most lethal cancer worldwide, with 1.69 million deaths reported globally in 2015. Smoking is responsible for approximately 80% of these fatalities, making it the primary risk factor for lung cancer. Alongside efforts to reduce tobacco use, there is a critical need for effective cancer prevention and early diagnosis strategies to address the lung cancer crisis. Advances in early diagnosis have led to a 20% reduction in lung cancer mortality; however, validated prevention strategies are still in development.
Exploring New Prevention Strategies
To identify new prevention methods, researchers are investigating how to deliver resveratrol in sufficient quantities to the lungs. A team of scientists in Switzerland has explored nasal administration of resveratrol to evaluate its effectiveness against lung cancer induced by carcinogens in cigarette smoke. Their findings, published in Scientific Reports, emerged from a 26-week study utilizing a mouse model.
Study Design and Findings
The study involved four groups of mice. The first group served as a control, receiving neither the carcinogen nor resveratrol. The second group was exposed solely to the carcinogen. The third group received both the carcinogen and nasal resveratrol treatment, while the fourth group received only nasal resveratrol without carcinogen exposure.
Results indicated a significant reduction in both the number and size of tumors in the third group, which received resveratrol treatment, compared to the untreated second group. Notably, 63% of the fourth group, which received only resveratrol, did not develop cancer, in contrast to just 12.5% of the control group.
Advantages of Nasal Administration
Traditional ingestion of resveratrol has proven ineffective for lung cancer prevention. However, through nasal administration, the concentration of resveratrol in the lungs was found to be 22 times higher than when taken orally. Although this method has been tested in mice, it holds potential applicability for humans.
Challenges in Pharmaceutical Interest
Despite the promising findings, resveratrol’s natural presence in foods such as grapes and its availability in supplements mean that a safety study is not necessary for commercialization as a lung cancer preventative. Consequently, pharmaceutical companies may show little interest in resveratrol due to its simplicity and non-patentable nature, which limits economic incentives.
Conclusion
The encouraging results from this study provide valuable insights for further research on alternative administration methods for resveratrol. For now, incorporating foods rich in resveratrol, such as grapes and red wine, may be the most accessible way to harness the potential cancer-preventing benefits of this compound.
References
Aymeric Monteillier, Aymone Voisin, Pascal Furrer, Eric Allémann, Muriel Cuendet. Intranasal administration of resveratrol successfully prevents lung cancer in A/J mice. Scientific Reports, 2018; 8 (1) DOI: 1038/s41598-018-32423-0.
A grape constituent protects against cancer. EurekAlert website https://www.eurekalert.org/pub_releases/2018-10/udg-agc100318.php. Accessed October 22nd, 2018.