Nanoparticles in Cancer Radiation Therapy
The use of nanoparticles in radiation therapy offers some exciting
possibilities. Radiation therapy, which has been used for years to treat cancer, can cause serious damage to the human body. Using nanoparticles it may be possible to destroy cancer tumors with minimal damage to healthy tissue and without the serious side effects often caused by radiation therapy treatments.
This page provides a survey of
the nanotechnology based methods being developed to improve radiation therapy.
A Survey of Methods using Nanoparticles to improve Radiation Therapy
Researchers have developed
containing a radioactive core with attached molecules that attach to lymphoma tumor cells.
The researchers are designing this method to stop the spread of cancer
from the primary tumor.
Researchers are investigating the use of
to concentrate radiation used in radiation therapy to treat cancer tumors.
Initial results indicate that the bismuth nanoparticles would increase the
radiation dose to the tumor by 90 percent.
X-ray therapy may be able to destroy cancer tumors using a nanoparticle called nbtxr3.
The nbtxr3 nanoparticles, when activated
by x-rays, generate electrons that cause the destruction of cancer tumors to
which they have attached themselves. Click here for more details on this
method. This is intended to be used in place
of radiation therapy with much less damage to healthy tissue. Nanobiotix
and The University of Texas MD Anderson Cancer Center are conducting
clinical trials for this technique.
Reseachers at the University of Missouri are developing
nanoparticle that contains actinium, a radioactive
element that emits alpha particles.
A method to make radiation therapy more effect in fighting prostate
cancer is using radioactive gold nanoparticles attached to a molecule
that is attracted to
prostate tumor cells. Researchers believe that this method will help
concentrate the radioactive nanoparticles at the cancer tumors, allowing
treatment of the tumors with minimal damage to healthy tissue.