Theranostics

What is it?

Theranostics combines diagnostic imaging and targeted therapies. It can help treat certain kinds of tumors. Imaging tests help find cancer cells. These tests include positron emission tomography (PET), computed tomography (CT), and magnetic resonance imaging (MRI). Then medicines are given that bind to tumor cells and destroy them.

Why is it done?

It's done to help doctors find, diagnose, and treat cancer. Theranostics is often done after other treatments, such as chemotherapy. It can also help check the patient's responses to treatment. Theranostics is used for certain cancers, such as prostate cancer, thyroid cancer, and neuroendocrine tumors.

How is it done?

First, an imaging test will be done. This may be a PET scan, CT scan, or MRI. This test will help doctors know if this treatment is right for you. You will be injected with medicine. Multiple treatments are given over several weeks. It depends on the type of cancer and how much it has spread. This is an outpatient treatment. After treatment is complete, follow-up care may include other treatments.

How well does it work?

Theranostics may work well for some people. It depends on the type of cancer and how the person responds to treatment. Theranostics may help slow down the spread of certain cancers. It will not cure cancer.

What are the side effects?

Side effects may include:

• Fatigue.
• Constipation or diarrhea.
• Dry mouth.
• Nausea.
• Anemia.
• Bone pain.

Since this treatment involves radiation, it may increase your risk for other cancers. You will be watched closely by your care team.