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This medicinal product is subject to additional monitoring. This will allow quick identification of new safety information.
The text only version may be available in large print, Braille or audio CD.
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0800 198 5000.
The product code(s) for this leaflet is: PL 14895/0353.
Jaypirca 50mg and 100mg film-coated tablets
Jaypirca® 50 mg film-coated tablets
Jaypirca® 100 mg film-coated tablets
pirtobrutinib
▼This medicine is subject to additional monitoring. This will allow quick identification of new safety information. You can help by reporting any side effects you may get. See the end of section 4 for how to report side effects.
1. What Jaypirca is and what it is used for
2. What you need to know before you take Jaypirca
3. How to take Jaypirca
4. Possible side effects
5. How to store Jaypirca
6. Contents of the pack and other information
Jaypirca is a cancer medicine that contains the active substance pirtobrutinib. It belongs to a class of medicines called Bruton’s tyrosine kinase (BTK) inhibitors.
It is used on its own (monotherapy) to treat the following blood cancers in adult patients who have been previously treated with another BTK inhibitor:
Jaypirca works by blocking BTK, a protein in the body that helps MCL and CLL cells grow and survive. By blocking BTK, Jaypirca helps to kill these cells and can reduce their number, which can slow down the worsening of the cancer.
Talk to your doctor, pharmacist or nurse before taking Jaypirca:
You may get infections during treatment with Jaypirca. Contact your doctor if you have fever, chills, weakness, confusion, body aches, cough, cold or flu symptoms, feel tired, feel short of breath, have pain or burning feeling when passing urine. These could be signs of an infection.
Talk to your doctor if you develop a new lesion or any change in the appearance of an area on the skin, as treatment with Jaypirca may increase your risk of developing skin cancer. Use sun protection and make regular skin examinations.
Unusual levels of chemicals in the blood caused by the fast breakdown of cancer cells, known as tumour lysis syndrome (TLS), have been reported rarely during treatment with Jaypirca. This may lead to changes in kidney function, abnormal heartbeat, or seizures. Your doctor or another healthcare professional may do blood tests to check for TLS.
Your doctor will monitor you for the signs and symptoms of bleeding (see section 4) and check your blood cell counts as needed during treatment.
Your doctor may monitor your heart rhythm for any irregularities throughout treatment.
Liver problems can happen in people treated with Jaypirca. Your healthcare provider will do blood tests to check your liver before and during treatment with Jaypirca. Tell your healthcare provider or get medical help right away if you have any signs of liver problems, including stomach pain or discomfort, dark-colored urine, or yellow skin and eyes.
Do not give Jaypirca to children and adolescents aged less than 18 years. This is because it has not been studied in this age group.
Tell your doctor or pharmacist if you are taking, have recently taken or might take any other medicines.
Jaypirca may make you bleed more easily. This means you should tell your doctor if you take other medicines that increase your risk of bleeding. This includes medicines such as:
If any of the above apply to you (or you are not sure), talk to your doctor, pharmacist or nurse before taking Jaypirca.
Tell your doctor or pharmacist if you take any of the following medicines as Jaypirca may affect how well these medicines work:
If you are pregnant or breast-feeding, think you may be pregnant or are planning to have a baby, ask your doctor or pharmacist for advice before taking this medicine.
Do not use Jaypirca during pregnancy. If you are a woman of childbearing age, you must use an effective method of contraception during treatment and for 5 weeks after your last dose of Jaypirca. Tell your doctor immediately if you become pregnant.
If you are a man, you must use an effective method of contraception during treatment and for 3 months after your last dose of Jaypirca.
Do not breast-feed while taking Jaypirca and for one week after your last dose of Jaypirca. It is unknown whether Jaypirca passes into breast milk.
It is unknown whether Jaypirca will have an effect on fertility. Talk to your doctor or pharmacist for advice if you are planning to have a baby.
Jaypirca has a minor effect on your ability to drive and use machines. You may feel tired, dizzy or weak after taking Jaypirca and this may affect your ability to drive or use machines.
If you have been told by your doctor that you have an intolerance to some sugars, contact your doctor before taking this medicine.
This medicine contains less than 1 mmol sodium (23 mg) per 200 mg daily dose, that is to say essentially ‘sodium-free’.
Always take this medicine exactly as your doctor or pharmacist has told you. Check with your doctor or pharmacist if you are not sure.
The recommended dose of Jaypirca is 200 mg once a day.
If you get certain side effects while you are taking Jaypirca, your doctor may stop treatment temporarily or lower your dose.
Jaypirca should be taken at about the same time every day. You can take the tablets with or without food. Swallow the tablet whole with a glass of water. Do not chew, crush, or split tablets before swallowing to ensure you receive the correct dose.
If you have taken more Jaypirca than you should, contact a doctor or go to a hospital immediately for advice. Take the tablets and this leaflet with you. Medical treatment may be necessary.
If you have any further questions on the use of this medicine, ask your doctor, pharmacist or nurse.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
Very common (may affect more than 1 in 10 people)
Common (may affect up to 1 in 10 people)
If you get any side effects, talk to your doctor, pharmacist or nurse. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Yellow Card Scheme, website: www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store. By reporting side effects you can help provide more information on the safety of this medicine.
Keep this medicine out of the sight and reach of children.
Do not use this medicine after the expiry date which is stated on the carton and blister after EXP. The expiry date refers to the last day of that month.
This medicine does not require any special storage conditions.
Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how to throw away medicines you no longer use. These measures will help protect the environment.
The active substance is pirtobrutinib. Each film-coated tablet contains 50 or 100 mg pirtobrutinib.
The other ingredients are:
Jaypirca 50 mg is supplied as a blue, arc-triangle shaped film-coated tablet (tablet) debossed with “Lilly 50” on one side and “6902” on the other side. It is available in blister packs of 28, 30 or 84 film-coated tablets.
Jaypirca 100 mg is supplied as a blue, round tablet debossed with “Lilly 100” on one side and “7026” on the other side. It is available in blister packs of 28, 30, 56, 60, 84 or 168 film-coated tablets.
Not all the pack sizes may be marketed.
For any information about this medicine, please contact the local representative of the Marketing Authorisation Holder:
This leaflet was last revised in August 2025.
This medicine has been given ‘conditional approval’.
This means that there is more evidence to come about this medicine.
The Medicines and Healthcare products Regulatory Agency will review new information on this medicine at least every year and this leaflet will be updated as necessary.
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