Sephience vs. Kuvan for PKU: Important Differences and Potential Risks.

Sephience

(sepiapterin)

Sapropterin

(Kuvan)

Summary for Sephience

Prescription only

Sephience (sepiapterin) is a phenylalanine hydroxylase (PAH) activator that lowers high blood phenylalanine (Phe) levels in adults and children ages 1 month and older with phenylketonuria (PKU). It’s used along with a Phe-restricted diet. The medication comes as powder packets that you mix with liquid or soft food and take by mouth once a day with food. Your dose depends on your age, weight, and Phe levels. Common side effects include diarrhea, headache, and stomach pain.

Indications for Sephience

Treat high blood phenylalanine (Phe) levels in adults and children ages one month and older with phenylketonuria (PKU), along with a Phe-restricted diet

Pros and Cons for Sephience

Pros

Taken by mouth once a day
Approved for adults and children as young as 1 month old
Powder packets can be mixed with liquid or soft food

Cons

Requires a Phe-restricted diet and regular blood tests
Commonly causes diarrhea, headache, and abdominal pain
Raises the risk of bleeding and low blood Phe levels, especially in children

Common Side Effects for Sephience

Diarrhea (7%)
Headache (7%)
Stomach pain (5%)
Low blood Phe (4%)
Changes in stool color (4%)
Mouth or throat pain (4%)

Warnings for Sephience

Increased bleeding
Low blood Phe levels
Interaction with levodopa

Summary for Kuvan

Prescription only

Sapropterin (Kuvan) is used to lower blood phenylalanine (Phe) levels in adults and children one month of age and older with a certain type of phenylketonuria (PKU). It's taken by mouth once daily along with a Phe-restricted diet, which includes monitoring the amount of proteins and Phe levels in foods. Sapropterin (Kuvan) comes in both tablet and powder form, so it gives options to people who might have trouble shallowing. Some common side effects include headache, runny nose, and throat pain.

Indications for Kuvan

Used with a Phe-restricted diet to treat high blood phenylalanine (Phe) levels in adults and children one month of age and older

Pros and Cons for Kuvan

Pros

Available as tablet and powder
Dose can be adjusted based on your body weight and blood Phe levels
Only needs to be taken once a day
Available as a lower-cost generic

Cons

Need to get frequent blood tests
Might not work for everyone with PKU
Can cause throat or stomach inflammation
Need to take with food

Common Side Effects for Kuvan

Headache (15%)
Runny nose (11%)
Throat pain (10%)
Diarrhea (8%)
Vomiting (8%)
Cough (7%)
Stuffy nose (4%)

Warnings for Kuvan

Allergic reaction
Stomach problems
Frequent monitoring of blood Phe levels
Interaction with levodopa
Hyperactivity

Prices with our coupons for Sephience vs. Kuvan

Sephience1 carton / 30 packets of 1000mg

$15,741.25-

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Sapropterin1 carton / 30 packets of 500mg

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Sephience vs. Kuvan

Sephience

Sapropterin

Summary for Sephience

Indications for Sephience

Pros and Cons for Sephience

Pros

Cons

Common Side Effects for Sephience

Warnings for Sephience

Summary for Kuvan

Indications for Kuvan

Pros and Cons for Kuvan

Pros

Cons

Common Side Effects for Kuvan

Warnings for Kuvan

Prices with our coupons for Sephience vs. Kuvan

Browse medications by letter

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Sephience

Sapropterin

Summary for Sephience

Indications for Sephience

Pros and Cons for Sephience

Pros

Cons

Common Side Effects for Sephience

Warnings for Sephience

Summary for Kuvan

Indications for Kuvan

Pros and Cons for Kuvan

Pros

Cons

Common Side Effects for Kuvan

Warnings for Kuvan