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Things to Know

Managing Your Child's PKU

Ordering KUVAN


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Testing for KUVAN Response

What to expect when starting KUVAN

Not all PKU patients will respond to KUVAN. It is not possible to know whether KUVAN will work until you start taking KUVAN.12 Your doctor will determine whether KUVAN works for you.

When Starting KUVAN, You Will

Have your baseline (starting) Phe levels measured
Begin taking KUVAN exactly as directed by your doctor
Have your blood Phe levels measured periodically as determined by your doctor
Have your dose adjusted and be evaluated for a longer period of time by your doctor if your Phe levels do not decrease from baseline
You must continue your low-Phe diet and medical formula/food as instructed when taking KUVAN.12 You should not make any changes to your daily routine during the KUVAN trial period and report any illness to your doctor.12






Indication

KUVAN® (sapropterin dihydrochloride) Tablets are approved to reduce blood Phe levels in patients with hyperphenylalaninemia (HPA) due to tetrahydrobiopterin- (BH4-) responsive Phenylketonuria (PKU). KUVAN is to be used in conjunction with a low-Phe diet.

Important Safety Information

High blood Phe levels are toxic to the brain and can lead to lower intelligence and decrease in the ability to focus, remember and organize information. Any change you make to your diet may impact your blood Phe level. Follow your doctor's instructions carefully. Your doctor and dietitian will continue to monitor your diet and blood Phe levels throughout your treatment with KUVAN.

If you have a fever, or if you are sick, your Phe level may go up. Tell your doctor and dietitian as soon as possible so they can see if they have to adjust your treatment to help keep your blood Phe levels in the desired range.

KUVAN is a prescription medicine and should not be taken by people who are allergic to any of its ingredients. Tell your doctor if you have ever had liver or kidney problems, are nursing or pregnant or may become pregnant, have poor nutrition or are anorexic. Your doctor will decide if KUVAN is right for you. Tell your doctor about all the medicines you take.

The most common side effects reported when using KUVAN are headache, diarrhea, abdominal pain, upper respiratory tract infection (like a cold), throat pain, vomiting, and nausea.

To report SUSPECTED ADVERSE REACTIONS, contact BioMarin Pharmaceutical Inc. at 1-866-906-6100, or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

Please read the full Patient Information by clicking here.