Tuesday, 2 September 2014

A study suggests having chemotherapy before surgery to remove a tumor may benefit more esophageal cancer patients

A study suggests having chemotherapy before surgery to remove a tumor may benefit more patients with esophageal cancer than previously thought.
Previous studies have already established that giving chemotherapy before surgery can benefit patients with esophageal cancer by shrinking their tumors.
But as well as these patients, the new study shows that even those whose tumors do not shrink may also benefit, because the pre-op chemo can reduce the spread of the cancer to the lymph nodes. The study shows that when spreading to the lymph nodes was reduced, this had a knock-on effect of improving survival and lengthening time to relapse.

We still don't know why some patients respond to chemotherapy, and others don't. But this study suggests that more patients than previously thought do benefit from chemotherapy before surgery, which means that having more treatment after their operation might also work for them too.He and his colleagues also believe having more chemo after surgery would benefit such patients even further.

An aggressive cancer with a very poor prognosis

Esophageal cancer is an aggressive cancer with a very poor prognosis. The cancer forms in the lining of the esophagus or gullet, the pipe that passes food from the throat to the stomach.The cancer is more common in people who smoke, drink alcohol, are overweight and whose diet is poor in fresh fruits and vegetables.

The  Cancer Institute estimates that 18,980 people will be diagnosed with the disease and 16,210 will have died of it in 2014

In the UK, where around 8,500 new cases are diagnosed every year, esophageal cancer is the ninth most common cancer, and the sixth most common cause of cancer death.

Study investigated 200 patients with adenocarcinoma

There are two types of esophageal cancer, squamous cell carcinoma, which starts in the flat cells in the gullet lining, and adenocarcinoma, which starts in cells that make and release fluids like mucus.

Average time to relapse extended from 1 to over 5 years


However, in the patients who had the pre-op chemo but whose tumors did not respond, there were 30 individuals who showed a reduction in the number of lymph nodes with cancer in them. And this group showed an increase in the average time to relapse from just under 1 year to over 5.5 years.
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