Aspirin (low-dose acetylsalicylic acid) and cancer

What is aspirin?

Aspirin, a well-known pain reliever and fever reducer, has in recent years sparked interest as a potential off-label treatment for cancer. Research suggests that aspirin may slow the growth and spread of cancer cells, but it is crucial to weigh the benefits and risks before considering this treatment.

Effects against cancer

Anti-inflammatory

Aspirin has a strong anti-inflammatory effect. Chronic inflammation is closely linked to the development of many cancers. By reducing inflammation, aspirin may potentially slow cancer cell development.

Cell division

Aspirin can inhibit the production of prostaglandins, which are involved in cell growth and division. By reducing the production of prostaglandins, aspirin may potentially slow the growth of cancer cells.

Blood vessel growth

Like propranolol, aspirin can inhibit the formation of new blood vessels, which tumors need to grow.

Disadvantages

Limited evidence

Evidence for aspirin’s effectiveness comes primarily from observational studies, which cannot prove causality.

Lack of approval from authorities

Aspirin is not approved by the Danish Medicines Agency for cancer treatment, indicating the need for further research.

Risk of bleeding

Aspirin can increase the risk of bleeding, especially in patients with bleeding disorders or those taking certain medications.

Common side effects

Indigestion
Stomach ulcers
Bleeding from the nose
Tendency to bruise

Rare side effects

Serious bleeding
Allergic reactions
Reye’s syndrome in children and adolescents

Note: This is not an exhaustive list of all possible side effects. You can find more information about side effects in the patient information leaflet for your medication.

Research

Colorectal cancer

The strongest evidence for aspirin’s cancer-preventive effect is found in relation to colorectal cancer. Several large studies have shown a statistically significant link between regular aspirin use and a reduced risk of this type of cancer.

Other cancers

There are also studies suggesting that aspirin may have a preventive effect against other cancers, such as esophageal cancer, prostate cancer, and certain types of blood cancer.

Combination therapy

There are also studies suggesting that aspirin may increase the effectiveness of other cancer treatments, such as chemotherapy and radiation therapy.

Improved survival

Aspirin can improve survival rates in patients with breast cancer.

Simplified treatment

Aspirin is a widely available and inexpensive medication compared to other cancer treatments.

Important

Special consideration should be taken if you already suffer from bleeding disorders. Taking aspirin may further increase this tendency.

Combination therapy

Aspirin can be combined with conventional cancer treatments to improve effectiveness. It is also suitable for supplementing other repurposed drugs.

Be aware that certain medications may interact, potentially causing unintended effects when combined.

Conclusion

The use of repurposed drugs such as aspirin in cancer treatment has the potential to revolutionize the way we treat the disease. Aspirin is not just a common pain reliever; research shows it may have significant anti-inflammatory and anticancer properties. Its ability to inhibit cell growth and blood vessel formation can help slow the development and spread of cancer cells, especially in colorectal cancer, where strong evidence supports its effectiveness.

Additionally, aspirin is a cost-effective and widely accessible treatment, making it an attractive option in combination with existing cancer therapies. While further research is needed to confirm its safety and effectiveness, the preliminary results are promising. By integrating aspirin into cancer treatment, we may potentially improve survival rates and quality of life for many patients. It is therefore important to consider and explore the possibilities that repurposed drugs like aspirin offer in the fight against cancer.

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