What is Lutetium 177 PSMA Treatment?
Nuclear Medicine

What is Lutetium 177 PSMA Treatment?

    What is Lutetium 177 PSMA Treatment?

    Lutetium 177 (Lu-177) is a radioactive isotope that can be used to treat certain types of cancer. One of the main uses of Lu-177 is in the treatment of prostate cancer that has spread to other parts of the body (metastasized). The treatment involves injecting a compound called PSMA-617, which contains Lu-177, into the patient's bloodstream. The compound is specifically designed to target prostate-specific membrane antigen (PSMA), which is a protein that is found on the surface of prostate cancer cells. Once the compound has been injected, the Lu-177 in it will emit radiation that can kill the cancer cells.

    There are several potential advantages to using Lu-177 for the treatment of prostate cancer. For one thing, it has a relatively short half-life, which means that it will decay and stop emitting radiation relatively quickly. This can help to minimize the risk of side effects from the treatment. Additionally, Lu-177 has been shown to be effective at targeting cancer cells that have spread to other parts of the body, which can make it a good option for patients with advanced prostate cancer.

    For Whom Is Lutetium 177 PSMA Treatment Applied?

    Lutetium 177 PSMA treatment is typically used for patients with prostate cancer that has spread to other parts of the body (metastasized). It is typically used when other treatments, such as chemotherapy or hormone therapy, have not been effective in controlling the cancer or when the cancer has returned after previous treatment.

    It is important to note that Lutetium 177 PSMA treatment is not suitable for all patients. It may not be suitable for patients with certain types of kidney or liver problems, or for women who are pregnant or breastfeeding. It is also not suitable for patients who are allergic to the compounds used in the treatment.

    Your doctor will be able to advise you on whether Lutetium 177 PSMA treatment is a suitable option for you, based on your specific medical history and the stage and severity of your cancer.

    What Are the Benefits of Lutetium 177 PSMA Treatment?

    There are several potential benefits to Lutetium 177 PSMA treatment for prostate cancer:

    High efficacy: Lutetium 177 PSMA treatment has been shown to be effective at killing prostate cancer cells that have spread to other parts of the body.

    Fewer side effects: Lutetium 177 has a relatively short half-life, which means that it will decay and stop emitting radiation relatively quickly. This can help to minimize the risk of side effects from the treatment.

    Versatility: Lutetium 177 PSMA treatment can be administered in a variety of ways, including intravenous injection, intra-arterial injection, and intratumoral injection. This can make it easier for doctors to tailor the treatment to the needs of individual patients.

    Good quality of life: Some studies have suggested that Lutetium 177 PSMA treatment may be associated with a good quality of life for patients. This is because it can be administered on an outpatient basis and may not cause as many side effects as other types of cancer treatment.

    It is important to note that Lutetium 177 PSMA treatment is not suitable for all patients and may not be effective in all cases. Your doctor will be able to advise you on whether it is a suitable option for you, based on your specific medical history and the stage and severity of your cancer.

    What are the Side Effects of Lutetium 177 PSMA Treatment?

    As with any medical treatment, Lutetium 177 PSMA treatment can cause side effects. The most common side effects of Lutetium 177 PSMA treatment are:

    Nausea and vomiting: Some patients may experience nausea and vomiting after receiving the treatment. These symptoms usually resolve on their own within a few days.

    Diarrhea: Some patients may experience diarrhea after receiving the treatment. This can usually be managed with medications prescribed by your doctor.

    Fatigue: Many patients experience fatigue after receiving Lutetium 177 PSMA treatment. This is usually temporary and will resolve on its own over time.

    Skin irritation: Some patients may experience skin irritation or rash at the injection site. This is usually mild and will resolve on its own.

    Decreased blood counts: Lutetium 177 PSMA treatment may cause a temporary decrease in the number of white blood cells, red blood cells, and platelets in the blood. This can make patients more susceptible to infections, bruising, and bleeding.

    It is important to note that these side effects are usually temporary and will resolve on their own over time. If you experience any side effects that are severe or persistent, you should contact your doctor for further evaluation and management.

    How Does Lutetium 177 PSMA Work?

    Lutetium 177 PSMA treatment involves injecting a compound called PSMA-617, which contains the radioactive isotope Lutetium 177, into the patient's bloodstream. The compound is specifically designed to target prostate-specific membrane antigen (PSMA), which is a protein that is found on the surface of prostate cancer cells.

    Once the compound has been injected, the Lutetium 177 in it will emit high-energy particles called beta particles. These beta particles can kill cancer cells by damaging their DNA and other genetic material. This can help to slow or stop the growth of the cancer.

    Lutetium 177 PSMA treatment is usually administered on an outpatient basis, which means that patients can go home the same day. The length of the treatment and the number of doses required will depend on the stage and severity of the cancer and the individual patient's medical history.

    In Which Diseases Is Lutetium 177 PSMA Applied?

    Lutetium 177 PSMA treatment is primarily used for the treatment of prostate cancer that has spread to other parts of the body (metastasized). It is typically used when other treatments, such as chemotherapy or hormone therapy, have not been effective in controlling the cancer or when the cancer has returned after previous treatment.

    It is important to note that Lutetium 177 PSMA treatment is not suitable for all patients and may not be effective in all cases. Your doctor will be able to advise you on whether it is a suitable option for you, based on your specific medical history and the stage and severity of your cancer.

    Are There Any Side Effects of the Lutetium PSMA Treatment Test?

    The Lutetium 177 PSMA treatment itself can cause side effects, as I described in a previous answer. However, the test to determine whether Lutetium 177 PSMA treatment is suitable for a particular patient is generally well-tolerated and does not cause significant side effects.

    The test involves injecting a small amount of a compound called PSMA-11, which contains a small amount of the radioactive isotope Lutetium 177, into the patient's bloodstream. This compound is similar to the one used in the actual treatment, but it contains a much smaller amount of Lutetium 177.

    The test is typically performed on an outpatient basis, and the patient can go home the same day. Some patients may experience mild side effects, such as nausea, vomiting, or diarrhea, but these are usually temporary and will resolve on their own. If you experience any side effects that are severe or persistent, you should contact your doctor for further evaluation and management.

    How Many Cures of Lutetium PSMA Treatment Are Applied?

    The number of doses of Lutetium 177 PSMA treatment that a patient will receive will depend on the stage and severity of their cancer and their individual medical history. Some patients may only need one or two doses of the treatment, while others may need more.

    The treatment is usually administered on an outpatient basis, which means that patients can go home the same day. The length of the treatment and the number of doses required will depend on the stage and severity of the cancer and the individual patient's medical history. Your doctor will be able to advise you on how many doses of the treatment you will need based on your specific circumstances.

    How is Lutetium PSMA Treatment Applied?

    Lutetium 177 PSMA treatment is typically administered through a vein in the patient's arm (intravenous injection). The treatment is usually administered on an outpatient basis, which means that patients can go home the same day.

    Before the treatment is administered, the patient will be asked to lie down on a bed or table. A healthcare professional will then clean the area where the injection will be given with an antiseptic solution and may apply a local anesthetic to numb the area.

    Once the injection site is ready, the healthcare professional will inject the Lutetium 177 PSMA compound into a vein in the patient's arm using a needle and syringe. The injection may take several minutes to administer, and the patient may feel a slight sting when the needle is inserted.

    After the injection is given, the patient will be asked to rest for a short period of time before being discharged. The patient may be given instructions on how to care for the injection site and may be asked to return for follow-up visits to monitor their progress.

    It is important to follow your doctor's instructions carefully and to contact your doctor if you have any questions or concerns about the treatment.

    The content of the page is for informational purposes only, please consult your doctor for diagnosis and treatment.

    About the Author

    Medical Editorial Board

    Medical Editorial Board

    Approved by on 06.01.2023

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    İrfanPEKSOY
    Nuclear Medicine

    Prof. M.D.

    İrfan PEKSOY

    Koru Ankara Hospital