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Screen for hepatitis B virus in all cancer patients starting systemic treatment. Find out more about hepatitis B virus screening and management.

liposomal irinotecan

( lip-o-SOM-al i-RIN-o-te-can )
Other Name(s): Onivyde®
Appearance: suspension mixed into larger bags of fluids

liposomal irinotecan

Pronunciation:

lip-o-SOM-al i-RIN-o-te-can

Other Name(s):

Onivyde®

Appearance:

suspension mixed into larger bags of fluids

This handout gives general information about this cancer medication.

You will learn:

  • who to contact for help

  • what the medication is

  • how it is given

  • what to expect while on medication

People Talking

This handout was created by Ontario Health (Cancer Care Ontario) together with patients and their caregivers who have also gone through cancer treatment. It is meant to help support you through your cancer treatment and answer some of your questions.

This information does not replace the advice of your health care team. Always talk to your health care team about your treatment.

 

Who do I contact if I have questions or need help?

 

My cancer health care provider is: _____________________________________________

During the day I should contact: _______________________________________________

Evenings, weekends and holidays: _____________________________________________

 

This page gives general information about this cancer medication.

You will learn:

  • who to contact for help

  • what the medication is

  • how it is given

  • what to expect while on this medication

People Talking

This information was created by Ontario Health (Cancer Care Ontario) together with patients and their caregivers who have also gone through cancer treatment. It is meant to help support you through your cancer treatment and answer some of your questions.

This information does not replace the advice of your health care team. Always talk to your health care team about your treatment.

What is this treatment for?

Liposomal irinotecan is used to treat pancreatic cancer. It is usually given with other medications.

What should I do before I start this treatment?

Tell your health care team if you have or had significant medical condition(s), especially if you have / had:

  • liver, heart or lung problems, or 

  • any allergies.

 

Important Icon

Remember To:

 
  • Tell your health care team about all of the other medications you are taking.

  • Keep taking other medications that have been prescribed for you, unless you have been told not to by your health care team.

You will have a blood test to check for hepatitis B before starting treatment. See the Hepatitis B and Cancer Medications pamphlet for more information.

How is this treatment given?
  • This medication is given through an IV (injected into a vein). Talk to your health care team about your treatment schedule.

  • If you missed your treatment appointment, talk to your health care team to find out what to do.

Other medications you may be given with this treatment

To Treat Diarrhea

Liposomal irinotecan can cause diarrhea. Diarrhea is when you have loose bowel movements (watery poo) or you need to have bowel movements (go poo) more often than usual. 

You will be given a medication called loperamide (Imodium®) to help treat your diarrhea. Take this medication only if you need it.

Keep your loperamide with you all the time. When diarrhea starts, take the loperamide right away.

If you start to have diarrhea: 

  • Take 2 tablets (4 mg) of loperamide right away.
  • Take 1 tablet (2 mg) every 2 hours after that.
  • During the night you may take 2 tablets (4 mg) every 4 hours.
  • Keep taking loperamide until you have no diarrhea for 12 hours.
DO this while on treatment DO NOT do this while on treatment

Check Mark Icon

  • DO check with your health care team before getting any vaccinations, surgery, dental work or other medical procedures.  

Stop Icon

  • DO NOT take any other medications, such as vitamins, over-the-counter (non-prescription) drugs or substances, or natural health products without checking with your health care team.

  • DO NOT start any complementary or alternative therapies, such as acupuncture or homeopathic products, without checking with your health care team.

  • DO NOT use tobacco products (such as smoking cigarettes or vaping) or drink alcohol while on treatment without talking to your health care team first. Smoking and drinking can make side effects worse and make your treatment not work as well.

  • DO NOT eat or drink grapefruit, starfruit, Seville oranges or their juices (or products that contain these) while on this treatment. These may increase the amount of the medication in your blood and increase the side effects.

DO this while on treatment

Check Mark Icon

  • DO check with your health care team before getting any vaccinations, surgery, dental work or other medical procedures.  

DO NOT do this while on treatment

Stop Icon

  • DO NOT take any other medications, such as vitamins, over-the-counter (non-prescription) drugs or substances, or natural health products without checking with your health care team.

  • DO NOT start any complementary or alternative therapies, such as acupuncture or homeopathic products, without checking with your health care team.

  • DO NOT use tobacco products (such as smoking cigarettes or vaping) or drink alcohol while on treatment without talking to your health care team first. Smoking and drinking can make side effects worse and make your treatment not work as well.

  • DO NOT eat or drink grapefruit, starfruit, Seville oranges or their juices (or products that contain these) while on this treatment. These may increase the amount of the medication in your blood and increase the side effects.

Will this treatment interact with other medications or natural health products?

Yes, this medication can interact with other medications, vitamins, foods, traditional medicines and natural health products. Interactions can make this medication not work as well or cause severe side effects.

Tell your health care team about all of your:

  • prescription and over-the-counter (non-prescription) medications
  • other drugs and substances, such as cannabis/marijuana (medical or recreational)
  • natural health products such as vitamins, herbal teas, homeopathic medicines, and other supplements, or traditional medicines

Check with your health care team before starting or stopping any of them.

 

Medication Icon
Talk to your health care team BEFORE taking or using these :
  • Anti-inflammatory medications such as ibuprofen (Advil® or Motrin®), naproxen (Aleve®) or Aspirin®.
  • Over-the-counter products such as dimenhydrinate (Gravol®
  • Natural health products such as St. John’s Wort
  • Traditional medicines
  • Supplements such as vitamin C
  • Grapefruit juice
  • Alcoholic drinks 
  • Tobacco 
  • All other drugs or substances, such as marijuana or cannabis (medical or recreational)
What to do if you feel unwell, have pain, a headache or a fever
  • Always check your temperature to see if you have a fever before taking any medications for fever or pain (such as acetaminophen (Tylenol®) or ibuprofen (Advil®)).

    • Fever can be a sign of infection that may need treatment right away.

    • If you take these medications before you check for fever, they may lower your temperature and you may not know you have an infection.

How to check for fever:

Keep a digital (electronic) thermometer at home and take your temperature if you feel hot or unwell (for example, chills, headache, mild pain). 

  • You have a fever if your temperature taken in your mouth (oral temperature) is:

    • 38.3°C (100.9°F) or higher at any time

  •       OR

    • 38.0°C (100.4°F) or higher for at least one hour.

Medication Icon

If you do have a fever: 

  • Try to contact your health care team.  If you are not able to talk to them for advice, you MUST get emergency medical help right away.

  • Ask your health care team for the Fever pamphlet for more information.

 

 

 

 

 

If you do not have a fever but have mild symptoms such as headache or mild pain:

  • Ask your health care team about the right medication for you. Acetaminophen (Tylenol®) is a safe choice for most people.
Stop Icon

Talk to your health care team before you start taking ibuprofen (Advil®, Motrin®), naproxen (Aleve®) or ASA (Aspirin®), as they may increase your chance of bleeding or interact with your cancer treatment.

Important Icon

Talk to your health care team if you already take low dose aspirin for a medical condition (such as a heart problem). It may still be safe to take.

How will this treatment affect sex, pregnancy and breastfeeding?

Talk to your health care team about:

  • How this treatment may affect your sexual health

  • How this treatment may affect your ability to have a baby, if this applies to you
     

This treatment may harm an unborn baby. Tell your health care team if you or your partner are pregnant, become pregnant during treatment, or are breastfeeding.

  • If there is any chance you may become pregnant, you and your partner together must use 2 effective forms of birth control at the same time until 7 months after your last dose. Talk to your health care team about which birth control options are best for you. 
     

  • If you are a patient that can get somebody pregnant, you and your partner together must use 2 effective forms of birth control at the same time until at least 4 months after your last dose. Talk to your health care team about which birth control options are best for you.

  • Do not breastfeed while on this treatment and for 1 month after your last dose.

What are the side effects of this treatment?

The following table lists side effects that you may have when getting liposomal irinotecan treatment. The table is set up to list the most common side effects first and the least common last. It is unlikely that you will have all of the side effects listed and you may have some that are not listed.

Read over the side effect table so that you know what to look for and when to get help. Refer to this table if you experience any side effects while on liposomal irinotecan.


Very Common Side Effects (50 or more out of 100 people)
Side effects and what to do When to contact health care team

Diarrhea and other early side effects of liposomal irinotecan that start during treatment or within 24 hours

What to look for?

  • Loose, watery, unformed stool (poo)
  • Some other symptoms you may have include sweating a lot, belly cramps, runny nose, watery eyes, more saliva (spit) in your mouth than usual, redness (flushing) on your face or neck.
  • Let your health care team know right away if this happens. Medication(s) may be given to you to control these symptoms.

 

Diarrhea that starts more than 24 hours after treatment

What to look for?

  • Loose, watery, unformed stool (poo)
  • Diarrhea may be severe in some cases and it might cause dehydration (when your body doesn’t have enough water)

What to do?

If you have diarrhea:

  • Take the loperamide (Imodium®) that your health care team prescribed or told you to take.
  • Do not have foods or drinks with artificial sweetener (like chewing gum or ‘diet’ drinks), coffee and alcohol, until your diarrhea has stopped.
  • Eat many small meals and snacks instead of 2 or 3 large meals.
  • Drink at least 6 to 8 cups of liquids each day, unless your health care team has told you to drink more or less.
  • Talk to your health care team if you can’t drink 6 to 8 cups of liquids each day when you have diarrhea. You may need to drink special liquids with salt and sugar, called Oral Rehydration Therapy.
  • Talk to your health care team if your diarrhea does not get better after 24 hours of taking diarrhea medication or if you have diarrhea more than 7 times in one day.

Ask your health care team for the Diarrhea pamphlet for more information.
 

Tell your health care team right away if you have any of these symptoms.
 

 

 

 

 

Talk to your health care team if no improvement after 24 hours of taking diarrhea medication or if severe (more than 7 times in one day).

Nausea and vomiting

What to look for?

  • Nausea is feeling like you need to throw up. You may also feel light-headed.
  • You may feel nausea within hours to days after your treatment.


What to do?

To help prevent nausea:

  • It is easier to prevent nausea than to treat it once it happens.
  • If you were given anti-nausea medication(s), take them as prescribed, even if you do not feel like throwing up.
  • Drink clear liquids and have small meals. Get fresh air and rest.
  • Do not eat spicy, fried foods or foods with a strong smell.
  • Limit caffeine (like coffee, tea) and avoid alcohol.


If you have nausea or vomiting:

  • Take your rescue (as-needed) anti-nausea medication(s) as prescribed.
  • Ask your health care team for the Nausea & Vomiting pamphlet for more information.
  • Talk to your health care team if:
    • nausea lasts more than 48 hours
    • vomiting lasts more than 24 hours or if it is severe
       
Contact your healthcare team if nausea lasts more than 48 hours or vomiting lasts more than 24 hours.

 

Common Side Effects (25 to 49 out of 100 people)
Side effects and what to do When to contact health care team

Low appetite

What to look for?

  • Loss of interest in food or not feeling hungry.
  • Weight loss.


What to do?

  • Try to eat your favourite foods.
  • Eat small meals throughout the day.
  • You may need to take meal supplements to help keep your weight up.
  • Talk to your health care team if you have no appetite.

Ask your health care team for the Loss of Appetite pamphlet for more information.
 

Talk to your health care team if it does not improve or if it is severe.

Fatigue 

What to look for?

  • Feeling of tiredness or low energy that lasts a long time and does not go away with rest or sleep.
     

What to do?

  • Be active. Aim to get 30 minutes of moderate exercise (you are able to talk comfortably while exercising) on most days.
  • Check with your health care team before starting any new exercise.
  • Pace yourself, do not rush. Put off less important activities. Rest when you need to.
  • Ask family or friends to help you with things like housework, shopping, and child or pet care.
  • Eat well and drink at least 6 to 8 glasses of water or other liquids every day (unless your health care team has told you to drink more or less).
  • Avoid driving or using machinery if you are feeling tired.

Ask your health care team for the Fatigue pamphlet for more information. 

 

Talk to your health care team if it does not improve or if it is severe.

Anemia (low red blood cells)

(May be severe)

What to look for?

  • You may feel more tired or weaker than normal.
  • Pale skin and cold hands and feet.
  • You may feel short of breath, dizzy or lightheaded.
  • This may occur in days to weeks after your treatment starts.


What to do?

If your health care team has told you that you have anemia (low red blood cells):

  • Rest often and eat well.
  • Light exercise, such as walking may help.
  • You may need medication or a blood transfusion.
  • If it is very severe, your health care team may need to make changes to your treatment regimen.

 

Talk to your health care team if it does not improve or if it is severe.

Low neutrophils (white blood cells) in the blood (neutropenia)

(May be severe)

When neutrophils are low, you are at risk of getting an infection more easily. Ask your health care team for the Neutropenia (Low white blood cell count) pamphlet for more information.


What to look for?

  • If you feel hot or unwell (for example if you have chills or a new cough), you must check your temperature to see if you have a fever.
  • Do not take medications that treat a fever before you take your temperature (for example, Tylenol® (acetaminophen), or Advil® (ibuprofen)).
  • Do not eat or drink anything hot or cold right before taking your temperature.


You have a fever if your temperature taken in your mouth (oral temperature) is:

  • 38.3°C (100.9°F) or higher at any time

    OR

  • 38.0°C (100.4°F) or higher for at least one hour.


What to do?

If your health care team has told you that you have low neutrophils:

  • Wash your hands often to prevent infection.
  • Check with your health care team before getting any vaccines, surgeries, medical procedures or visiting your dentist.
  • Keep a digital thermometer at home so you can easily check for a fever.


If you have a fever:

If you have a fever, try to contact your health care team. If you are unable to talk to the team for advice, you must get emergency medical help right away.

 

If you have a fever, try to contact your health care team. If you are unable to talk to the team for advice, you MUST get emergency medical help right away.

Low platelets in the blood

(May be severe)

When your platelets are low, you are at risk for bleeding and bruising. Ask your health care team for the Low Platelet Count pamphlet for more information.


What to look for?

  • Watch for signs of bleeding:
    • bleeding from your gums
    • unusual or heavy nosebleeds
    • bruising easily or more than normal
    • black coloured stools (poo) or blood in your stools (poo)
    • coughing up red or brown coloured mucus
    • dizziness, constant headache or changes in your vision
    • heavy vaginal bleeding


What to do?

If your health care team has told you that you have low platelets:

  • Tell your pharmacist that your platelet count may be low before taking any prescriptions or over-the-counter medication.
  • Check with your healthcare team before you go to the dentist.
  • Take care of your mouth and use a soft toothbrush.
  • Try to prevent cuts and bruises.
  • Ask your health care team what activities are safe for you.
  • Your treatment may have to be delayed if you have low platelets. Your health care team may recommend a blood transfusion.


If you have signs of bleeding:

  • If you have a small bleed, clean the area with soap and water or a saline (saltwater) rinse. Apply pressure for at least 10 minutes.


If you have bleeding that does not stop or is severe (very heavy), you must get emergency medical help right away.
 

Talk to your health care team if you have any signs of bleeding. If you have bleeding that doesn’t stop or is severe (very heavy), you MUST get emergency help right away.

 

Less Common Side Effects (10 to 24 out of 100 people)
Side effects and what to do When to contact health care team

Too much or too little salt in your body

What to look for?

  • Muscle spasms, cramping, weakness, twitching, or seizures.
  • Irregular heartbeat, confusion or blood pressure changes.
     

What to do?

Get emergency medical help right away for severe symptoms.
 

Get emergency medical help right away for severe symptoms.

Hair thinning or loss 

What to look for?

  • Your hair may become thin or fall out during or after treatment.
  • In most cases, your hair will grow back after treatment. The texture or colour may change.
  • In very rare cases, hair loss may be permanent.


What to do?

  • Use a gentle soft brush.
  • Do not use hair sprays, bleaches, dyes and perms.
Talk to your health care team if this bothers you.

Blood clots

What to look for?

  • Blood clots can cause pain, swelling and hardening of the vein in the body part that has the clot.
  • If the clot is severe it can block a big artery or vein.

A blood clot in your lungs can cause: coughing, problems breathing, pain in your chest or coughing up blood.

A blood clot in your brain (stroke) can cause: trouble seeing, speaking, or using your arms and legs.

A blood clot in your heart (heart attack) can cause: chest pain, shortness of breath and pain in your belly or arms.

What to do?

Get emergency medical help right away.

Get emergency medical help right away.

Mouth sores

What to look for?

  • Round, painful, white or gray sores inside your mouth that can occur on the tongue, lips, gums, or inside your cheeks.
  • In more severe cases they may make it hard to swallow, eat or brush your teeth.
  • They may last for 3 days or longer.

What to do?

To help prevent mouth sores: 

  • Take care of your mouth by gently brushing and flossing regularly.
  • Rinse your mouth often with a homemade mouthwash.
  • To make a homemade mouthwash, mix 1 teaspoonful of baking soda and 1 teaspoonful of salt in 4 cups (1L) of water.
  • Do not use store-bought mouthwashes, especially those with alcohol, because they may irritate your mouth.

If you have mouth sores:

  • Avoid hot, spicy, acidic, hard or crunchy foods.
  • Your doctor may prescribe a special mouthwash to relieve mouth sores and prevent infection.
  • Talk to your health care team as soon as you notice mouth or lip sores or if it hurts to eat, drink or swallow.

Ask your health care team for the Oral Care (Mouth Care) pamphlet for more information.

Talk to your health care team as soon as you notice mouth or lip sores or if it hurts to eat, drink or swallow.

Other rare, but serious side effects are possible with this treatment.

If you have any of the following, talk to your cancer health care team or get emergency medical help right away:

  • New cough, chest pain, trouble breathing or coughing up blood

  • Lower back pain, swelling, pee less than usual and have unusual weight gain

  • Signs of an allergy such as flushing, itchiness, rash, swollen lips, face or tongue, wheezing, chest and throat tightness

 

For more information on how to manage your symptoms ask your health care provider, or visit: https://www.cancercareontario.ca/symptoms.

Notes

April 2026 Updated/revised information sheet

The information set out in the medication information sheets, regimen information sheets, and symptom management information (for patients) contained in the Drug Formulary (the "Formulary") is intended to be used by health professionals and patients for informational purposes only. The information is not intended to cover all possible uses, directions, precautions, drug interactions or side effects of a certain drug, nor should it be used to indicate that use of a particular drug is safe, appropriate or effective for a given condition.

A patient should always consult a healthcare provider if he/she has any questions regarding the information set out in the Formulary. The information in the Formulary is not intended to act as or replace medical advice and should not be relied upon in any such regard. All uses of the Formulary are subject to clinical judgment and actual prescribing patterns may not follow the information provided in the Formulary.