Internal Radiation Therapies : Therapeutic Isotopes

Strontium 89Sr

Strontium is an injected radioactive isotope that is produced as a fission byproduct of uranium and plutonium. It is usually used for bone metastasis, and a course of treatment can consist of one or many injections. For more information on Strontium, please contact our research unit.

Phosphorus 32 32P

Chromic phosphate P-32 is an infused radioactive isotope often used to treat brain-related issues, but it can be used at other sites as well. The course of treatment is a one time infusion. For more information on P-32, please contact our research unit.

Therapeutic Isotopes Strontium Phosphorous
Body Sites Whole Body Brain, Abdominal
Therapeutic Technique RIT RIT
Radioactive Source Liquid Liquid
Equipment Infused Infused or Injected

For more information, please view the following websites:


  • Radioisotope Therapy (RIT)
    With radioisotope therapy (RIT), a liquid form of radiation is administered internally through infusion or injection. The rationale behind RIT is to treat cancerous cells with minimal damage to the normal surrounding tissue. RIT uses a radioactive substance, such as a radiolabeled monoclonal antibody, that travels in the blood directly to tissues at the cancer site. These therapies are not normally the first approach used to fight a patientís cancer. Instead, they are more likely to be used after other therapies have not achieved their desired results. There are numerous barriers to radioisotope therapy including issues of access, acquisition of radioisotopes, radiation protection regulations, and cost.