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Syprine

Generic: trientine hydrochloride

Verified·Apr 23, 2026
Manufacturer
Bausch Health
NDC
0187-2120
RxCUI
208720
Route
ORAL
ICD-10 indication
E83.01

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About Syprine

What is this medication?

Syprine is a prescription medication primarily used to treat patients with Wilson disease. This is a rare genetic condition where the body is unable to properly process and eliminate copper, causing the metal to accumulate to dangerous levels in vital organs such as the liver and brain. If left untreated, this buildup can lead to serious health complications or permanent organ damage.

The medication works as a chelating agent, which means it binds to excess copper in the bloodstream and tissues. Once the copper is attached to the medication, it can be filtered out by the kidneys and removed from the body through urine. Syprine is typically prescribed for individuals who are unable to take other treatments, such as penicillamine, due to intolerable side effects or adverse reactions.

Copay & patient assistance

  • Patient Copay Amount: $0 (Medications are provided for free)
  • Maximum Annual Benefit Limit: Not Publicly Available (Eligible patients may receive medication for up to 1 year)
  • Core Eligibility Restrictions: Must have limited or no insurance coverage; includes Medicaid patients whose plans no longer cover Bausch Health medications; must demonstrate financial need; must have a valid prescription for an eligible medication.
  • RxBIN, PCN, and Group numbers: Not Publicly Available

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Prescribing information

From the FDA-approved label for Syprine. Official source: DailyMed (NLM) · Label effective Sep 1, 2020

Indications and usage
INDICATIONS AND USAGE Syprine is indicated in the treatment of patients with Wilson’s disease who are intolerant of penicillamine. Clinical experience with Syprine is limited and alternate dosing regimens have not been well-characterized; all endpoints in determining an individual patient’s dose have not been well defined. Syprine and penicillamine cannot be considered interchangeable. Syprine should be used when continued treatment with penicillamine is no longer possible because of intolerable or life endangering side effects. Unlike penicillamine, Syprine is not recommended in cystinuria or rheumatoid arthritis. The absence of a sulfhydryl moiety renders it incapable of binding cystine and, therefore, it is of no use in cystinuria. In 15 patients with rheumatoid arthritis, Syprine was reported not to be effective in improving any clinical or biochemical parameter after 12 weeks of treatment. Syprine is not indicated for treatment of biliary cirrhosis.
Dosage and administration
DOSAGE AND ADMINISTRATION Systemic evaluation of dose and/or interval between dose has not been done. However, on limited clinical experience, the recommended initial dose of Syprine is 500-750 mg/day for pediatric patients and 750-1250 mg/day for adults given in divided doses two, three or four times daily. This may be increased to a maximum of 2000 mg/day for adults or 1500 mg/day for pediatric patients age 12 or under. The daily dose of Syprine should be increased only when the clinical response is not adequate or the concentration of free serum copper is persistently above 20 mcg/dL. Optimal long-term maintenance dosage should be determined at 6-to 12-month intervals (see PRECAUTIONS, Laboratory Tests ). It is important that Syprine be given on an empty stomach, at least one hour before meals or two hours after meals and at least one hour apart from any other drug, food, or milk. The capsules should be swallowed whole with water and should not be opened or chewed.
Contraindications
CONTRAINDICATIONS Hypersensitivity to this product.
Warnings
WARNINGS Patient experience with trientine hydrochloride is limited (see CLINICAL PHARMACOLOGY ). Patients receiving Syprine should remain under regular medical supervision throughout the period of drug administration. Patients (especially women) should be closely monitored for evidence of iron deficiency anemia.
Drug interactions
Drug Interactions In general, mineral supplements should not be given since they may block the absorption of Syprine. However, iron deficiency may develop, especially in children and menstruating or pregnant women, or as a result of the low copper diet recommended for Wilson’s disease. If necessary, iron may be given in short courses, but since iron and Syprine each inhibit absorption of the other, two hours should elapse between administration of Syprine and iron. It is important that Syprine be taken on an empty stomach, at least one hour before meals or two hours after meals and at least one hour apart from any other drug, food, or milk. This permits maximum absorption and reduces the likelihood of inactivation of the drug by metal binding in the gastrointestinal tract.
Adverse reactions
ADVERSE REACTIONS Clinical experience with Syprine has been limited. The following adverse reactions have been reported in a clinical study in patients with Wilson’s disease who were on therapy with trientine hydrochloride: iron deficiency, systemic lupus erythematosus (see CLINICAL PHARMACOLOGY ). In addition, the following adverse reactions have been reported in marketed use: dystonia, muscular spasm, myasthenia gravis. Syprine is not indicated for treatment of biliary cirrhosis, but in one study of 4 patients treated with trientine hydrochloride for primary biliary cirrhosis, the following adverse reactions were reported: heartburn; epigastric pain and tenderness; thickening, fissuring and flaking of the skin; hypochromic microcytic anemia; acute gastritis; aphthoid ulcers; abdominal pain; melena; anorexia; malaise; cramps; muscle pain; weakness; rhabdomyolysis. A causal relationship of these reactions to drug therapy could not be rejected or established. To report SUSPECTED ADVERSE REACTIONS, contact Bausch Health US, LLC at 1-800-321-4576 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch .
Use in pregnancy
Pregnancy Trientine hydrochloride was teratogenic in rats at doses similar to the human dose. The frequencies of both resorptions and fetal abnormalities, including hemorrhage and edema, increased while fetal copper levels decreased when trientine hydrochloride was given in the maternal diets of rats. There are no adequate and well-controlled studies in pregnant women. Syprine should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.

Label text is reproduced as-is from the FDA-approved label. We do not paraphrase, summarize, or omit. Content above is for informational purposes only and is not medical advice. Always consult your prescribing clinician or pharmacist before making decisions about your medication.

Conditions we've indexed resources for

Click a condition to see copay cards, grants, and PA rules specific to it. For the full list of FDA-approved indications, see Prescribing information above.

Medicare Part D coverage

How Syprine appears across Medicare Part D plan formularies nationally. Source: CMS monthly Prescription Drug Plan file (2026-04-30).

Covered by plans

0%

2 of 5,509 plans

Most common tier

Tier 1

On 100% of covering formularies

Prior authorization required

100%

of covering formularies

TierFormularies on this tierShare
Tier 1 (preferred generic)1
100%

Step therapy: 0% of formularies

Quantity limits: 100% of formularies

Coverage breadth: 1 of 65 formularies

How to read this:plans on the same formulary share tier + PA rules. Your specific plan's copay depends on (a) the tier above, (b) your plan's cost-share for that tier, (c) whether you're in the initial coverage phase or past the 2026 $2,000 out-of-pocket cap. For your exact plan, check its Summary of Benefits or log in to your Medicare.gov account. Copay cards don't apply to Medicare (federal law).

Prior authorization & coverage

PayerPAStep therapyCopay tier

Medicare Part D

Related drugs

How this page is sourced

  • Drug identity verified against openFDA NDC Directory.
  • Label text (when shown) originates from NLM DailyMed.
  • Copay and assistance URLs verified periodically; if you hit a broken link, tell us.

Rare-disease navigation (specialists, trials, patient communities)

Syprine treats a rare condition. For in-depth disease pages on our sister site:

UniteRare.org is our sister site for rare-disease navigation — same editorial team, same accuracy standards.