Several cancervaccines are currently in use and many, many more are in the experimental
stage in clinical trials. Cancer vaccines boost the body’s natural ability to
protect itself through the immune system.
The U.S. Food and Drug
Administration (FDA) has approved two types of preventive cancer vaccines. One
vaccine was designed to prevent Hepatitis B (which can lead to liver cancer)
and another to prevent human papillomavirus types 16 and 18 (HPV) infection and
effectively prevents about 70 percent of cervical cancer.
And just recently (2010) the
FDA approved a vaccine designed to treat (as opposed to prevent) metastatic
prostate cancer in men. It has been used successfully to lengthen survival.
Named sipuleucel-T (Provenge®), it is
individualized to each patient by using immune cells from the patient’s body.
Cancer vaccines may lead to
major improvements in cancer treatment in the future. Some studies to date have
shown positive results and some have not.
If you are interested in
clinical trials for cancer vaccines, check out the list offered on the NCI Factsheet on Cancer Vaccines.
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