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Lutetium lu 177 dotatate (Intravenous)

Medically reviewed by Last updated on Jul 1, 2022.

Commonly used brand name(s)

In the U.S.

  • Lutathera

Available Dosage Forms:

  • Solution

Therapeutic Class: Endocrine-Metabolic Agent

Uses for lutetium lu 177 dotatate

Lutetium Lu 177 dotatate injection is used to treat somatostatin receptor-positive gastroenteropancreatic neuroendocrine tumors (GEP-NETs), including tumors of the different parts of the gut.

Lutetium Lu 177 dotatate injection is a radiopharmaceutical. Radiopharmaceuticals are radioactive agents, which may be used to find and treat certain diseases or to study the function of the body's organs.

Lutetium lu 177 dotatate is to be given only by or under the direct supervision of a doctor with a specialized training in nuclear medicine.

Before using lutetium lu 177 dotatate

In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For lutetium lu 177 dotatate, the following should be considered:


Tell your doctor if you have ever had any unusual or allergic reaction to lutetium lu 177 dotatate or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.


Appropriate studies have not been performed on the relationship of age to the effects of lutetium Lu 177 dotatate injection in the pediatric population. Safety and efficacy have not been established.


Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of lutetium Lu 177 dotatate injection in the elderly.


There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.

Interactions with medicines

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are receiving lutetium lu 177 dotatate, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.

Using lutetium lu 177 dotatate with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

  • Alclometasone
  • Amcinonide
  • Beclomethasone
  • Betamethasone
  • Budesonide
  • Ciclesonide
  • Clobetasol
  • Clobetasone
  • Clocortolone
  • Cortisone
  • Deflazacort
  • Desonide
  • Desoximetasone
  • Dexamethasone
  • Diflorasone
  • Diflucortolone
  • Difluprednate
  • Flucloronide
  • Flumethasone
  • Flunisolide
  • Fluocinonide
  • Fluocortin
  • Fluocortolone
  • Fluorometholone
  • Flurandrenolide
  • Fluticasone
  • Halcinonide
  • Halobetasol
  • Hydrocortisone
  • Lanreotide
  • Loteprednol
  • Medrysone
  • Methylprednisolone
  • Mometasone
  • Octreotide
  • Paramethasone
  • Pasireotide
  • Prednicarbate
  • Prednisolone
  • Prednisone
  • Rimexolone
  • Triamcinolone

Interactions with food/tobacco/alcohol

Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.

Other medical problems

The presence of other medical problems may affect the use of lutetium lu 177 dotatate. Make sure you tell your doctor if you have any other medical problems, especially:

  • Diabetes or
  • Hypertension (high blood pressure) or
  • Liver tumor that has spread—Use with caution. May cause side effects to become worse.
  • Kidney disease, mild to moderate—Use with caution. The effects may be increased because of the slower removal of the medicine from the body.
  • Kidney disease, severe or end-stage or
  • Liver disease, severe—Lutetium Lu 177 dotatate has not been studied in patients with these conditions.

Proper use of lutetium lu 177 dotatate

Medicines used to treat cancer are very strong and can have many side effects. Before using lutetium lu 177 dotatate, make sure you understand all the risks and benefits. It is important for you to work closely with your doctor during your treatment.

Your doctor will give you lutetium lu 177 dotatate in a hospital or cancer treatment center. It is given through a needle placed into one of your veins.

You will receive medicines to prevent nausea and vomiting 30 minutes before receiving the amino acid solution. You will also receive the amino acid solution 30 minutes before, during, and for at least 3 hours after receiving lutetium lu 177 dotatate.

Do not use long-acting somatostatin products for at least 4 weeks before receiving lutetium lu 177 dotatate.

Do not use short-acting octreotide for at least 24 hours before receiving lutetium lu 177 dotatate.

Precautions while using lutetium lu 177 dotatate

It is very important that your doctor check your progress at regular visits to make sure lutetium lu 177 dotatate is working properly. Blood and urine tests may be needed to check for unwanted effects.

Receiving lutetium lu 177 dotatate while you are pregnant can harm your unborn baby. It may also cause birth defects if the father is receiving it when his sexual partner becomes pregnant. Female patients should use effective birth control during treatment with lutetium lu 177 dotatate and for at least 7 months after the last dose. Male patients who have female partners should use effective birth control during treatment with lutetium lu 177 dotatate and for at least 4 months after the last dose. If you think you have become pregnant while using lutetium lu 177 dotatate, tell your doctor right away.

If you are a woman who can get pregnant, you must have a negative pregnancy test before you will be allowed to receive lutetium lu 177 dotatate. If you miss a period while you are receiving lutetium lu 177 dotatate, tell your doctor right away.

If you plan to have children, talk with your doctor before using lutetium lu 177 dotatate. Some men and women using lutetium lu 177 dotatate have become infertile (unable to have children).

Lutetium lu 177 dotatate may increase your risk of having cancer (eg, secondary myelodysplastic syndrome, leukemia). Talk to your doctor if you have concerns.

You will be exposed to radiation when you receive lutetium lu 177 dotatate and can be detected in your urine for up to 30 days. Talk with your doctor about the ways to lessen the exposure of radiation in your household and if you have concerns.

Lutetium Lu 177 dotatate may lower the number of some types of blood cells in your body. Because of this, you may bleed or get infections more easily. To help with these problems, avoid being near people who are sick or have infections. Wash your hands often. Stay away from rough sports or other situations where you could be bruised, cut, or injured. Brush and floss your teeth gently. Be careful when using sharp objects, including razors and fingernail clippers.

Check with your doctor right away if you have bloody urine, a decrease in frequency or amount of urine, an increase in blood pressure, increased thirst, loss of appetite, lower back or side pain, nausea, swelling of the face, fingers, or lower legs, troubled breathing, unusual tiredness or weakness, vomiting, or weight gain. These could be symptoms of a serious kidney problem. Drink plenty of fluids and urinate as often as possible during and after receiving lutetium lu 177 dotatate.

Check with your doctor right away if you have pain or tenderness in the upper stomach, pale stools, dark urine, loss of appetite, nausea, vomiting, or yellow eyes or skin. These could be symptoms of a serious liver problem. This is more likely if you have liver metastasis (cancer that has spread).

Lutetium lu 177 dotatate side effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor or nurse immediately if any of the following side effects occur:

More common

  • Agitation
  • anxiety
  • black, tarry stools
  • bleeding gums
  • blood in the urine or stools
  • blurred vision
  • chills
  • cold sweats
  • confusion
  • cool, pale skin
  • cough
  • decreased urine output
  • diarrhea
  • difficulty in breathing
  • dizziness
  • dry mouth
  • feeling of warmth
  • fever
  • flushed, dry skin
  • fruit-like breath odor
  • headache
  • hoarseness
  • hostility
  • increased hunger
  • increased thirst
  • increased urination
  • irritability
  • joint pain, stiffness, or swelling
  • loss of appetite
  • loss of consciousness
  • lower back, side, arm, leg, or stomach pain
  • mood changes
  • mood or mental changes
  • muscle cramps in the hands, arms, feet, legs, or face
  • muscle pain or twitching
  • nausea
  • nervousness
  • nightmares
  • numbness and tingling around the mouth, lips, hands, fingertips, or feet
  • painful or difficult urination
  • pale skin
  • pinpoint red spots on the skin
  • pounding in the ears
  • rapid weight gain
  • redness of the face, neck, arms, and occasionally, upper chest
  • restlessness
  • seizures
  • shakiness
  • slow, fast, or irregular heartbeat
  • slurred speech
  • sore throat
  • sweating
  • swelling of the face, feet, lower legs, ankles, or hands
  • tremor
  • troubled breathing
  • troubled breathing with exertion
  • ulcers, sores, or white spots in the mouth
  • unexplained weight loss
  • unusual bleeding or bruising
  • unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
  • vomiting
  • weakness or heaviness of the legs

Less common

  • Bone pain
  • chest pain or discomfort
  • dilated neck veins
  • dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  • extreme tiredness or weakness
  • irregular breathing
  • pain or discomfort in the arms, jaw, back, or neck
  • swollen glands

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

  • Constipation
  • decreased appetite
  • hair loss or thinning of the hair
  • loss or change in taste

Less common

  • Difficulty in moving
  • neck pain

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.