For most people, 슬롯사이트curable cancers슬롯사이트� are a contradiction. Thousands of men, women and children across the world who have conquered cancer, compel us to break free from this belief. Cancer is curable and newer therapies are chipping in to make a cure possible.

For many years the treatment of cancer was surgery and then came radiation. Chemotherapy was the by-product of the world wars; it was a shotgun remedy killing anything that grew rapidly. Cancer cells quickly grew and were killed; normal cells that grew fast were also killed along with it. The killing of healthy cells resulted in side effects. Chemotherapy cured, but the cure came at a cost.

The rationale for therapy

Cancer develops because cells acquire the ability to grow uncontrollably. Scientists have got an insight into the mechanism that causes cancer only in the last three decades. This insight gave a significant impetus to the rational development of drugs against the disease. Drugs, which unlike chemotherapy, would attack the mechanisms of cancer. Two types of drugs have been added to the armamentarium against cancer. The first is 슬롯사이트Targeted Therapy슬롯사이트� and the second is 슬롯사이트Immunotherapy슬롯사이트�. Targeted Therapy targets the differences between cancer cells and normal cells. Immunotherapy restores the body슬롯사이트s immunity against cancer.

Targeted Therapy

The 슬롯사이트targets슬롯사이트� of targeted therapy are either changes in the cell that have turned cancerous or a protein that is mainly present in the cancer cell. One of the first successes of targeted therapy was a leukaemia called chronic myeloid leukaemia. Then same drugs against breast cancer, lymphoma, colon cancer, lung cancer and kidney cancer.

슬롯사이트� Other cancers where targeted therapy is effective include lymphoma, colorectal cancer, lung cancer, kidney cancer, liver cancer and melanoma.

Immunotherapy

슬롯사이트� Cancer cells can suppress immunity. Immunotherapy restores the ability of immune system to kill harmful cancer cells; it is a major shift in the principle of cancer treatment.

슬롯사이트� Anti-cancer immunity may be stimulated by the used of checkpoint inhibitor monoclonal antibodies, T-cell therapy, oncolytic virus therapy, which are cancer vaccines and viruses capable of killing cancers. The development of these fighting agents is progressing at a very rapid pace. They are effective in lung cancer, kidney cancer and melanoma. They are also being evaluated for many other cancers.

슬롯사이트� T-lymphocytes are a type of white blood cells (WBC) that kill foreign cells. A form of T-cell therapy is now available to modify patient슬롯사이트s T-lymphocytes then give them an ability to kill the cancer cells. The therapy is expensive and available in a very few centres, with time more cancer will be cured using this CAR-T, and the cost of therapy will reduce.

슬롯사이트� Oncolytic Virus can kill cancer cells but spare healthy cells. One such virus Talimogene Laherparepvec is used in the treatment on melanoma a type of Skin cancer.

슬롯사이트� Cancer vaccines stimulate the patient슬롯사이트s immunity to act against the cancer cell. A vaccine called Sipuleucel-T is available for the use in prostate cancer.

All drugs or therapies must be considered only after recommendations and guidance of an oncologist.

Changes over the years

The impact of drugs on the cancers is not fully appreciated. The last 40yrs have seen a tenfold increase in the survival of cancer patients, much of this because of drugs. Forty years ago 50 percent슬롯 머신 사이트 추천patients would succumb to cancer in one year, today 50 percent of cancer patients live for up to 10yrs. Drugs as a smart and new technology is being developed. The favourable impact of these developments will be seen in the coming years. Globally, women are more prone to cancer; cancers in women include 88 per 100,000 and 73 per 100,000 in men. In terms of ethnicities, generally speaking, Orientals have a lower risk of cancer than westerners. When orientals move to the west, their cancer risk increases.

(This article is contributed by Dr Avinash Deo, Medical Oncologist, SL. Raheja Hospital, Mahim - A Fortis Associate.)

(The above story first appeared on LatestLY on May 04, 2018 04:41 PM IST. For more news and updates on politics, world, sports, entertainment and lifestyle, log on to our website latestly.com).