IMPORTANT SAFETY INFORMATION

What is PROCYSBI (Pro-CIS-bee)?

PROCYSBI® (cysteamine bitartrate) delayed-release capsules is a prescription medicine used to manage a medical condition called nephropathic cystinosis in adults and children 6 years of age and older.

It is not known if PROCYSBI is safe and effective in children under 6 years of age.

Who should not take PROCYSBI?

Do not take PROCYSBI if you are allergic to penicillamine.

What should I tell my doctor before taking PROCYSBI?

Before you take PROCYSBI, tell your doctor if you:

  • have a skin rash or bone problems
  • have a history of seizures, exhaustion, sleepiness, depression, or other nervous system problems
  • have or have had stomach or bowel (intestinal) problems including ulcers or bleeding
  • have liver or blood problems
  • are pregnant or plan to become pregnant. It is not known if PROCYSBI will harm your unborn baby. Tell your doctor right away if you think that you are pregnant. Talk with your doctor about the benefits and risks of taking PROCYSBI during pregnancy.
  • are breastfeeding or plan to breastfeed. You should not breastfeed during treatment with PROCYSBI. Talk with your doctor about the best way to feed your baby if you take PROCYSBI.

Tell your doctor about all medicines that you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.

Know the medicines you take. Keep a list of them to show your doctor and pharmacist when you get a new medicine.

What should I avoid while taking PROCYSBI?

Do not drive or operate heavy machinery until you know how PROCYSBI affects you. PROCYSBI can make you sleepy or less alert than normal.

What are the possible side-effects of PROCYSBI?

PROCYSBI can cause serious side-effects, including:

  • Skin, bone, and joint problems. People treated with high doses of cysteamine bitartrate may develop abnormal changes of their skin and bones. These changes may include stretch marks, bone injuries (such as fractures), bone deformities, and joint problems. Check your skin while taking PROCYSBI. Tell your doctor if you notice any skin changes. Your doctor will check you for these problems.
  • Skin rash. Skin rash is common with cysteamine bitartrate and may sometimes be severe. Tell your doctor right away if you get a skin rash. Your dose of PROCYSBI may need to be decreased until the rash goes away. If the rash is severe, your doctor may tell you to stop taking PROCYSBI.
  • Central nervous system symptoms. Some people who take other medicines that contain cysteamine bitartrate develop seizures, depression, and become very sleepy. The medicine may affect how your brain is working (encephalopathy). Tell your doctor right away if you develop any of these symptoms.
  • Stomach and bowel (intestinal) problems. Some people who take other medicines that contain cysteamine bitartrate develop ulcers and bleeding in their stomach or bowel.
    Tell your doctor right away if you get stomach-area pain, nausea, vomiting, loss of appetite, or vomit blood.
  • Low white blood cell count and certain abnormal liver function blood tests. Your doctor should check you for these problems.
  • Benign intracranial hypertension (pseudotumor cerebri) has happened in some people who take immediate-release cysteamine bitartrate. This is a condition where there is high pressure in the fluid around the brain. Your doctor should do eye examinations to find and treat this problem early.
    Tell your doctor right away if you develop any of the following symptoms while taking PROCYSBI: headache, buzzing or "whooshing" sound in the ear, dizziness, nausea, double vision, blurry vision, loss of vision, pain behind the eye, or pain with eye movement.

The most common side-effects with PROCYSBI include:

  • vomiting
  • abdominal pain or discomfort
  • headache
  • nausea
  • diarrhea
  • loss of appetite or decreased appetite
  • breath odor
  • tiredness
  • dizziness
  • skin odor
  • skin rash

Tell your doctor if you have any side-effect that bothers you or that does not go away.

These are not all of the possible side-effects of PROCYSBI. For more information, ask your doctor or pharmacist.

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

To report a PROCYSBI Product Adverse Event or Product Complaint contact Raptor Pharmaceuticals Inc.:
Email safety@raptorpharma.com or call 1-855-888-4004, option 2

Please see Full Prescribing Information and Patient Package Insert.

 

 

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