.Pharmacolibrary.Drugs.ATC.V.V04CB01

Information

name:VitaminAConcentrates
ATC code:V04CB01
route:oral
n-compartments1

Vitamin A concentrates are formulations of fat-soluble vitamin A (retinol or its esters) used in dietary supplementation or treatment of deficiency. They are administered to prevent or treat vitamin A deficiency, particularly in populations at risk (children, pregnant women) or in cases of malnutrition. Vitamin A is essential for vision, immune function, and cellular growth. These concentrates are approved and used today in clinical practice, mostly as oral or injectable preparations.

Pharmacokinetics

No published population pharmacokinetic model exists for 'vitamin A concentrates' as a formulated medicine. The following are estimated typical parameters for adult healthy subjects receiving oral administration of retinyl palmitate, a representative vitamin A ester. These are based on known pharmacokinetic principles and analogous values from retinol studies.

References

  1. Haskell, MJ, et al., & Brown, KH (2003). Population-based plasma kinetics of an oral dose of [2H4]retinyl acetate among preschool-aged, Peruvian children. The American journal of clinical nutrition 77(3) 681–686. DOI:10.1093/ajcn/77.3.681 PUBMED:https://pubmed.ncbi.nlm.nih.gov/12600861

  2. Zachman, RD, & Chen, XM (1991). Intramuscular relative dose response (RDR) determination of liver vitamin A stores in rats. The Journal of nutrition 121(2) 187–191. DOI:10.1093/jn/121.2.187 PUBMED:https://pubmed.ncbi.nlm.nih.gov/1825326

  3. Rigas, JR, et al., & Warrell, RP (1993). Constitutive variability in the pharmacokinetics of the natural retinoid, all-trans-retinoic acid, and its modulation by ketoconazole. Journal of the National Cancer Institute 85(23) 1921–1926. DOI:10.1093/jnci/85.23.1921 PUBMED:https://pubmed.ncbi.nlm.nih.gov/8230282

Revisions


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