Rare in clinical practice
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Numerous intervention studies have shown that folic acid, particularly when combined with vitamins B6 and B12, lowers homocysteine regardless of MTHFR C677T genotype
Dalmasso and colleagues (Gastroenterology, 2008, PMID 18061177) reported that KPV is taken up through the di- and tripeptide transporter PepT1, which is normally expressed in the small intestine and induced in the colon during inflammation, and that uptake was associated with reduced NF-B activation in human epithelial and immune cell lines
Patients were to be randomized to 1200 mg, 450 mg, or placebo, administered intravenously daily for 3 days followed by weekly for 4 weeks
Per the Vyleesi label, there are also warnings for transient increases in blood pressure and decreased heart rate