new drug development and approval process Flashcards
what are the sources of drugs
Natural sources
synthesized in laboratory
processes of biotechnology
certain major contributions to modern drug therapy may be attributed to the
successful conversion of botanic folklore remedies into modern wonder drugs
tranquilizer, hypotensive agent
reserpine/rauwolfia serpentina
diabetes mellitus
periwinkle or vinca rosea
plants extracts of V. rosea yield 2 potent drugs for certain types of cancer (leukemia, hodgkin disease)
vinblastine
vincristine
ovarian cancer
pacific yew tree
mumps and influenza vaccines
fluid of chick embryo
rich source of estrogen
urine of pregnant mares
poliomyelitis vaccines
renal monkey tissue
rubella (german measles)
duck embryo
new vaccines for diseases aids and cancer
cell and tissue cultures
smallpox vaccines
skin of bovine calves inoculated with vaccinia virus
requires metabolic biotransformation after administration
prodrug
science concerned with drugs, their sources, appearance, chemistry, actions and uses.
pharmacology
this extent and rate of drug absorption from various routes of administration
absorption
the rate of drug distribution of the drug through the body and the site or sites
distribution
the rate, primary and secondary sites, the mechanism of the drug’s metabolism
metabolism
the proportion of administered dose eliminated from the body
excretion/elimination
drug substance administered by any route
drug’s solubility