Durvalamub

Other Names: Imfinzi®

About This Drug

Durvalumab is used to treat cancer. This drug is given in the vein (IV).

Possible Side Effects

  • Changes in your white blood cells that may raise your risk of infection. 
  • Nausea
  • Constipation (not able to move bowels)
  • Tiredness
  • Swelling of your legs, ankles and/or feet
  • Changes in your liver function
  • Upper respiratory tract infection
  • Urinary tract infection
  • Decreased appetite (decreased hunger)
  • Blood sugar levels may change, and you may develop diabetes. If you already have diabetes, changes may need to be made to your diabetes medication.
  • Electrolyte changes
  • Muscle and bone pain
  • Inflammation (swelling) of the lungs. You may have a dry cough or trouble breathing. 
  • Cough
  • Trouble breathing
  • Rash

Note: Each of the side effects above was reported in 15% or greater in patients treated with durvalumab. Not all possible side effects are included above. 

Warnings and Precautions 

  • This drug works with your immune system and can cause inflammation in any of your organs and tissues and can change how they work. This may put you at risk for developing serious medical problems, which can be life-threatening. 
  • Severe inflammation of the lungs, which can be life-threatening
  • Colitis which is swelling in the colon. The symptoms are diarrhea, stomach cramping, and sometimes blood in the bowel movements.
  • Severe changes in your liver function, which can cause liver failure and be life-threatening
  • This drug may affect how your kidneys work
  • Changes in your kidney function, which can cause kidney failure and be life-threatening
  • This drug may affect some of your hormone glands (especially the thyroid, adrenals, pituitary and pancreas).
  • Severe allergic skin reaction, which can be life-threatening. You may develop blisters on your skin that are filled with fluid or a severe red rash all over your body that may be painful.
  • Severe infections which can be life-threatening 
  • While you are getting this drug in your vein (IV), you may have a reaction to the drug. Sometimes you may be given medication to stop or lessen these side effects. Your nurse will check you closely for these signs: fever or shaking chills, flushing, facial swelling, feeling dizzy, headache, trouble breathing, rash, itching, chest tightness, or chest pain. These reactions may happen after your infusion. If this happens, call 911 for emergency care.

Note: Some of the side effects above are very rare. If you have concerns and/or questions, please discuss them with your medical team. 

Important Information

  • This drug may be present in the saliva, tears, sweat, urine, stool, vomit, semen, and vaginal secretions. Talk to your doctor and/or your nurse about the necessary precautions to take during this time.

Treating Side Effects

  • To decrease the risk of infection, wash your hands regularly. 
  • Avoid close contact with people who have a cold, the flu, or other infections. 
  • Take your temperature as your doctor or nurse tells you, and whenever you feel like you may have a fever. Manage tiredness by pacing your activities for the day. Be sure to include periods of rest between energy-draining activities
  • Drink plenty of fluids (a minimum of eight glasses per day is recommended).
  • If you throw up or have loose bowel movements, you should drink more fluids so that you do not become dehydrated (lack of water in the body from losing too much fluid).
  • To help with nausea, eat small, frequent meals instead of three large meals a day. Choose foods and drinks that are at room temperature. Ask your nurse or doctor about other helpful tips and medicine that is available to help or stop lessen these symptoms. 
  • To help with decreased appetite, eat high caloric food such as pudding, ice cream, yogurt and milkshakes.
  • Ask your doctor or nurse about medicines that are available to help stop or lessen constipation. • If you are not able to move your bowels, check with your doctor or nurse before you use enemas, laxatives, or suppositories 
  • If you have diabetes, keep good control of your blood sugar level. Tell your nurse or your doctor if your glucose levels are higher or lower than normal.
  • Keeping your pain under control is important to your well-being. Please tell your doctor or nurse if you are experiencing pain.
  • Infusion reactions may happen for 24 hours after your infusion. If this happens, call 911 for emergency care. 
  • If you get a rash do not put anything on it unless your doctor or nurse says you may. Keep the area around the rash clean and dry. Ask your doctor for medicine if your rash bothers you. 

Food and Drug Interactions

  • There are no known interactions of durvalumab with food.
  • This drug may interact with other medicines. Tell your doctor and pharmacist about all the prescription and over-the-counter medicines and dietary supplements (vitamins, minerals, herbs and others) that you are taking at this time. Also, check with your doctor or pharmacist before starting any new prescription or over-the-counter medicines, or dietary supplements to make sure that there are no interactions.
  • The safety and use of dietary supplements and alternative diets are often not known. Using these might affect your cancer or interfere with your treatment. You should not use dietary supplements or alternative diets without your cancer doctor's help. 

When to Call the Doctor

Call your doctor or nurse if you have any of these symptoms and/or any new or unusual symptoms:

  • Fever of 100.5 F (38 C) or higher
  • Chills, flushing
  • Signs of a local infection such as pain, redness, tenderness, warmth and/or swelling 
  • Headache that does not go away 
  • Changes in mood or behavior 
  • Feeling dizzy or lightheaded 
  • Fatigue that interferes with your daily activities
  • Confusion
  • Feeling that your heart is beating fast or in a not normal way (palpitations) 
  • Wheezing or trouble breathing 
  • Coughing up yellow, green, or bloody mucus
  • Easy bleeding or bruising
  • Nausea that stops you from eating or drinking or is not relieved by prescribed medicine 
  • Lasting loss of appetite or rapid weight loss of five pounds in a week
  • No bowel movement for 3 days or you feel uncomfortable
  • Diarrhea, 4 times in one day or diarrhea with lack of strength or a feeling of being dizzy
  • Pain in your abdomen that does not go away 
  • Blood in your stool 
  • Pain or burning when you pass urine
  • Difficulty urinating
  • Feeling like you have to pass urine often, but not much comes out when you do.
  • Tender or heavy feeling in your lower abdomen.
  • Cloudy urine and/or urine that smells bad.
  • Pain on one side of your back under your ribs. This is where your kidneys are. 
  • Decreased urine
  • Weight gain of 5 pounds in one week (fluid retention)
  • Swelling of your legs, ankles and/or feet
  • Abnormal blood sugar
  • Unusual thirst, passing urine often, headache, sweating, shakiness, irritability
  • New rash and/or itching
  • Rash that is not relieved by prescribed medicines
  • Signs of liver problems: dark urine, pale bowel movements, bad stomach pain, feeling very tired and weak, unusual itching, or yellowing of the eyes or skin
  • Signs of infusion reaction: fever or shaking chills, flushing, facial swelling, feeling dizzy, headache, trouble breathing, rash, itching, chest tightness, or chest pain.
  • If you think you are pregnant 

Reproduction Warnings

  • Pregnancy warning: This drug can have harmful effects on the unborn baby. Women of childbearing potential should use effective methods of birth control during your cancer treatment and for at least 3 months after treatment. Let your doctor know right away if you think you may be pregnant.
  • Breastfeeding warning: Women should not breastfeed during treatment and for 3 months after treatment because this drug could enter the breast milk and cause harm to a breastfeeding baby.
  • Fertility warning: Human fertility studies have not been done with this drug. Talk with your doctor or nurse if you plan to have children. Ask for information on sperm or egg banking. 

Revised August 2018

This patient information was developed by Via Oncology, LLC © 2018. This information is not intended to be used as a substitute for professional medical advice, diagnosis, or treatment. You should not rely entirely on this information for your health care needs. Ask your own doctor or health care provider any specific medical questions that you have.

CLIENT acknowledges that the Via Pathways and Via Portal are information management tools only, and that Via Oncology, LLC has not represented the Via Pathways or Via Portal as having the ability to diagnose disease, prescribe treatment, or perform any other tasks that constitute the practice of medicine. The clinical information contained in the Via Pathways and Via Portal are intended as a supplement to, and not a substitute for, the knowledge, expertise, skill, and judgment of physicians, pharmacists and other healthcare professionals involved with patient care at CLIENT facilities.