Betaine Anhydrous
Dosage form: powder, for oral solution
Drug class:Nutraceutical products
Medically reviewed by Drugs.com. Last updated on Jan 1, 2022.
On This Page
- Indications and Usage
- Dosage and Administration
- Dosage Forms and Strengths
- Contraindications
- Warnings and Precautions
- Adverse Reactions/Side Effects
- Use In Specific Populations
- Overdosage
- Description
- Clinical Pharmacology
- Nonclinical Toxicology
- Clinical Studies
- How Supplied/Storage and Handling
- Patient Counseling Information
Indications and Usage for Betaine Anhydrous
Betaine Anhydrous for Oral Solution 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
Betaine Anhydrous Dosage and Administration
Dosage
Therapy with Betaine Anhydrous for Oral Solution should be directed by physicians knowledgeable in the management of patients with homocystinuria.
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 divided in twice daily doses, and then increased weekly by 50 mg/kg increments.
Monitoring
Monitor patient response to Betaine Anhydrous for Oral Solution by homocysteine plasma concentration. Increase the dosage in all patients gradually until the plasma total homocysteine concentration is undetectable or present only in small amounts. An initial response in homocysteine plasma concentrations usually occurs within several days and steady state plasma concentrations occur within a month.
Monitor plasma methionine concentrations in patients with CBS deficiency [See Warnings and Precautions (5.1)].
Maximum Dosage
Dosages of up to 20 grams/day have been necessary to control homocysteine concentrations in some patients. However, one pharmacokinetic and pharmacodynamic <