A new drug treatment to close the window on colon cancer

July 21, 2010, Tel Aviv University

Cancer surgery wreaks havoc on a body's immune system and stress hormones exacerbate the problem. As a result, about half of those who undergo surgery for tumor removal experience a recurrence of cancer in the same region or other parts of the body.

A new clinical approach being developed and tested by Tel Aviv University researchers may be the key to making cancer operations more successful. Prof. Shamgar Ben-Eliyahu, head of Tel Aviv University's Department of Psychology, has opened on a new frontier in : he is recruiting patients for a new clinical study which will test a cocktail of drugs to prevent the negative effects of stress responses to surgery. If successful, it will help the immune system maintain its vigor and prevent the occurrence of new tumors.

Prof. Ben-Eliyahu described his method in a recent issue of the .

A more competent immune system

Prof. Ben-Eliyahu and other research teams have confirmed that a competent immune system is critical before, during and after surgery for tumor removal. However, stress responses of the body during this period jeopardize immune competence and facilitate tumor metastasis.

Combining two widely-known medications that affect immune and stress responses, Prof. Ben-Eliyahu has developed a formula he hopes will keep an immune system strong and prevent the recurrence of cancer. Already tested in animal models, the compounds will be employed in a clinical trial in Israel, for which Prof. Ben-Eliyahu's team is currently recruiting patients and funds. They hope to have 800 colon cancer patients participate in the trial, due to begin shortly.

Increasing survival 300%

According to Prof. Ben-Eliyahu, the main that appear to negatively impact immune system functioning are released before and during surgery. He says that existing generic drugs could block the influence of these hormones, helping the body to better fend off the stressors of surgery.

In animal studies, Prof. Ben-Eliyahu found that by blocking these hormones he could increase long-term post-operative survival rates from cancer by as much as 300 percent. If his new study on human volunteers succeeds, it could set a new paradigm for cancer treatment and post-surgery recovery rates. "In rats and mice it works with great success, really beautifully," says Prof. Ben-Eliyahu.

In the upcoming trial, Prof. Ben-Eliyahu will boost patients' immune systems with his drug cocktail over a 20-day period, before, during and after surgery. The two compounds to be used in the study are a beta-adrenergic antagonist, which is used to treat hypertension and anxiety, and a Cyclooxygenase-2 inhibitor, used against inflammation and pain. Since the two drugs are already widely available and routinely used in the clinical setting, no patents need be filed for the application of these drugs.

Related Stories

Recommended for you

Stem cell vaccine immunizes lab mice against multiple cancers

February 15, 2018
Stanford University researchers report that injecting mice with inactivated induced pluripotent stem cells (iPSCs) launched a strong immune response against breast, lung, and skin cancers. The vaccine also prevented relapses ...

Induced pluripotent stem cells could serve as cancer vaccine, researchers say

February 15, 2018
Induced pluripotent stem cells, or iPS cells, are a keystone of regenerative medicine. Outside the body, they can be coaxed to become many different types of cells and tissues that can help repair damage due to trauma or ...

Team paves the way to the use of immunotherapy to treat aggressive colon tumors

February 15, 2018
In a short space of time, immunotherapy against cancer cells has become a powerful approach to treat cancers such as melanoma and lung cancer. However, to date, most colon tumours appeared to be unresponsive to this kind ...

Can our genes help predict how women respond to ovarian cancer treatment?

February 15, 2018
Research has identified gene variants that play a significant role in how women with ovarian cancer process chemotherapy.

First comparison of common breast cancer tests finds varied accuracy of predictions

February 15, 2018
Commercially-available prognostic breast cancer tests show significant variation in their abilities to predict disease recurrence, according to a study led by Queen Mary University of London of nearly 800 postmenopausal women.

Catching up to brain cancer: Researchers develop accurate model of how aggressive cancer cells move and spread

February 15, 2018
A brief chat at a Faculty Senate meeting put two University of Delaware researchers onto an idea that could be of great value to cancer researchers.

0 comments

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.