Finished product reference
Betaine
Powder, for Solution · Oral · 1 g/1g · 180 g
- List code
- 6370
- Pharmacologic class
- Methylating Agent
What it is and how it works
Mechanism class: Methylating Activity
Indications
® is indicated for the treatment of homocystinuria to decrease elevated homocysteine blood concentrations in pediatric and adult patients. Included within the category of homocystinuria are: Cystathionine beta-synthase (CBS) deficiency 5,10-methylenetetrahydrofolate reductase (MTHFR) deficiency Cobalamin cofactor metabolism (cbl) defect CYSTADANE is a methylating agent indicated in pediatric and adult patients for the treatment of homocystinuria to decrease elevated homocysteine blood concentrations. Included within the category of homocystinuria are : Cystathionine beta-synthase (CBS) deficiency 5,10-methylenetetrahydrofolate reductase (MTHFR) deficiency Cobalamin cofactor metabolism (cbl) defect
Dosage and administration (summary)
Adults and Pediatric Patients 3 Years of Age and Older The recommended dosage is 6 grams per day, administered orally in divided doses of 3 grams twice daily. Pediatric Patients Less than 3 Years of Age The recommended starting dosage is 100 mg/kg/day, administered orally in divided doses of 50 mg/kg twice daily, and then increased weekly by 50 mg/kg increments. Monitor patient response by plasma homocysteine concentrations. Increase the dosage gradually until the plasma total homocysteine concentration is undetectable or present only in small amounts.
Contraindications
None. None
Warnings and precautions
Hypermethioninemia in Patients with CBS Deficiency: CYSTADANE may worsen elevated plasma methionine concentrations and cerebral edema has been reported. Monitor plasma methionine concentrations in patients with CBS deficiency. Keep plasma methionine concentrations below 1,000 micromol/L through dietary modification and, if necessary, a reduction of CYSTADANE dosage. Hypermethioninemia in Patients with CBS Deficiency Patients with homocystinuria due to cystathionine beta-synthase (CBS) deficiency may also have elevated plasma methionine concentrations.
Storage and supply
is available in plastic bottles containing 180 grams of betaine anhydrous as a white, granular, hygroscopic powder. Each bottle is equipped with a plastic child-resistant cap and is supplied with a polypropylene measuring scoop. One level scoop (1.7 mL) is equal to 1 gram of betaine anhydrous powder.
Source: Betaine (Cystadane) — US FDA prescribing information, 2026-04-24, DailyMed. Summarised and shortened; the full label governs. Iranian registration, indications and labelling may differ.
Other presentations of the same active ingredient
Reference information for professional sourcing and registration enquiries, not medical advice or a promotion. Drug information is condensed from US FDA prescribing information (public domain, via openFDA and DailyMed) and does not replace the product’s approved labelling in Iran. Availability, origin and documentation are confirmed per enquiry.
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