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Side Effects & Adverse Reactions
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FDA Safety Alerts
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FDA Labeling Changes
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Cystadane (betaine anhydrous for oral solution) is indicated for the treatment of homocystinuria to decrease elevated homocysteine blood levels. Included within the category of homocystinuria are deficiencies or defects in:
- cystathionine beta-synthase (CBS),
- 5,10-methylenetetrahydrofolate reductase (MTHFR),
- cobalamin cofactor metabolism (cbl).
Patient response to Cystadane can be monitored by homocysteine plasma levels (see DOSAGE AND ADMINISTRATION). Response usually occurs within a week and steady state within a month.
Cystadane has been administered concomitantly with vitamin B6 (pyridoxine), vitamin B12 (cobalamin), and folate.
There is currently no drug history available for this drug.
Cystadane® (betaine anhydrous for oral solution) is an agent for the treatment of homocystinuria. Cystadane is a white, granular, hygroscopic powder. It contains no ingredients other than anhydrous betaine. Betaine anhydrous powder is very soluble in water, soluble in methanol and ethanol, and sparingly soluble in ether.
The chemical name of betaine anhydrous powder is trimethylglycine. It has a molecular weight of 117.15. The structural formula is: