Normally they have very low bioavailability," he says.
Factors potentially affecting 4-MU uptake and plasma concentrations in mice include its taste, short half-life and low bioavailability.
The selective ER degrader (SERD), fulvestrant, is effective in patients with metastatic breast cancer, but its intramuscular route of administration and low bioavailability are major clinical limitations.
Walle, T., Hsieh, F., DeLegge, M. H., Oatis, J. E. & Walle, U. K. High absorption but very low bioavailability of oral resveratrol in humans.
The low bioavailability of lovastatin and its short half-life suggests that a limited fraction of lovastatin would have reached the tumor after oral administration.
Similarly, plant-based organic phosphorus has a low bioavailability (20 40%) as the majority of the phosphorus exists as storage molecule called phytates.
Drugs with poor aqueous solubility have difficulty dissolving in the GI tract, resulting in low bioavailability.
Low bioavailability of nitric oxide (NO) is implicated in the pathophysiology of sickle cell disease (SCD).
Studies showed curcumin inhibits HPV oncogenes expression but curcumin has low bioavailability.
However, the polyphenol due to its rapid and extensive metabolism exhibits low bioavailability in vivo.
The unique structure and protective mechanisms of the eye result in low bioavailability of ocular drugs.
