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  • Perioperative use of...

Perioperative use of Propranolol and etodolac markedly reduces metastases risk after colon cancer surgery

Written By : Dr. Kamal Kant Kohli Published On 2022-12-15T09:45:36+05:30  |  Updated On 21 Oct 2023 12:26 PM IST
Perioperative use of Propranolol and etodolac markedly reduces metastases risk after colon cancer surgery
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Researchers at Tel Aviv University have found in a new study that Propranolol used to lower blood pressure and reduce anxiety and etodolac used to reduce inflammation may reduce the risk of the spread of cancer metastases after surgery to remove the primary colon cancer.

The research was led by Prof. Shamgar Ben-Eliyahu of TAU's Sagol School of Neuroscience and School of Psychological Sciences and Prof. Oded Zamora of TAU's Sackler Faculty of Medicine, and its results were published in the European Journal of Surgical Oncology. At the same time, an overview of the theory and principles underlying the research was published in Nature Review Cancer

Although surgery to remove primary tumors is the mainstay of all cancer treatments, the risk of metastases after tumor removal is estimated at 35% among colon cancer patients, with higher risk in patients with more advance stages of the disease.

Prof. Ben-Eliyahu explains: "the stress during the waiting period for surgery, the stress and inflammation reactions that the body produces during the surgery itself and the physical recovery period, and finally the following anxiety of cancer recurring - all have an adverse effect on the body's ability to fight metastatic processes. These mental and physiological conditions create stress-inflammatory responses, which cause ample release of hormones from the prostaglandin and catecholamine families. These hormones suppress anti-metastatic immune activity, and thus encourage the development of metastases. In addition, these hormones directly help the cancer cells that remain in the body even after surgery: due to exposure to these hormones, the cancerous tissue becomes more aggressive and metastatic.

The good news is that we know how to treat both stress and inflammation using off-the-shelf medications."

The researchers from Tel Aviv University gave 34 colon cancer patients two safe drugs that are available in every pharmacy: propranolol (Darlin), used to lower blood pressure and reduce anxiety, and etodolac (Etopan), used to prevent pain and inflammation. Sixteen randomly chosen patients took the medication for 20 days - from five days before to two weeks after surgery at the Sheba Medical Center. The other 18 patients received placebo drugs (control group). Five years later, nine of the 18 patients who received the placebo (50%) developed cancer metastases, compared to two of the 16 patients who took Darlin and Etofen (12.5%).

Prof. Ben-Eliyahu adds: "Although at five years after the operation, the statistical significance is clear, we need to conduct larger clinical studies. Our treatment reduced markers of metastasis in the tumor tissue, and reduced the chances of cancer recurrence. This is a short, cheap drug treatment with no significant side effects. We deliberately sought the safest and cheapest drugs capable of lowering the body's stress-inflammatory response to surgery, in order to save lives. It sounds too good to be true, but similar results in breast cancer tissue were obtained in a study we conducted in 2017. Due to the small number of subjects in both studies, it is impossible to accurately estimate the magnitude of the beneficial effect, but the effects are statistically significant, meaning that they are not accidental."

According to Prof. Ben-Eliyahu, part of the medical establishment distrusts the effects of stress-inflammatory reactions, particularly those resulting from psychological factors such as waiting for surgery or fear of the disease spreading. Another problem concerns the financing of clinical studies.

Reference:

Itay Ricon-Becker, Rita Haldar, Maytal Shabat Simon, Mordechai Gutman, Steve W. Cole, Shagmar Ben-Eliyahu, Oded Zmora,Effect of perioperative COX-2 and beta-adrenergic inhibition on 5-year disease-free-survival in colorectal cancer: A pilot randomized controlled Colorectal Metastasis PreventIon Trial (COMPIT), European Journal of Surgical Oncology, 2022, https://doi.org/10.1016/j.ejso.2022.10.013

European Journal of Surgical Oncologyanxietystresssurgerycolon cancercancertumormetastasispropranololblood pressureetodolac
Source : European Journal of Surgical Oncology
Dr. Kamal Kant Kohli
Dr. Kamal Kant Kohli

Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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