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Doxorubicin was isolated from a mutated variant of S. peucetius (var. caesius). It differs from daunorubicin only by the addition of a hydroxyl group at the carbon 14 position. This modification greatly changes the activity of the drug making it highly effective against a wide range of solid tumours, leukaemia and lymphomas.
Doxorubicin showed better activity than daunorubicin against mouse tumors, and especially solid tumors. It also showed a higher therapeutic index, yet the cardiotoxicity remained. [50] Doxorubicin and daunorubicin together can be thought of as prototype compounds for the anthracyclines. Subsequent research has led to many other anthracycline ...
Daunorubicin is in the anthracycline family of medication. [3] It works in part by blocking the function of topoisomerase II. [2] Daunorubicin was approved for medical use in the United States in 1979. [2] It is on the World Health Organization's List of Essential Medicines. [4] It was originally isolated from bacteria of the Streptomyces type. [5]
Topoisomerase inhibitor classes have been derived from a wide variety of disparate sources, with some being natural products first extracted from plants (camptothecin, [10] etoposide [13]) or bacterial samples (doxorubicin, [14] indolocarbazole [15]), while others possess purely synthetic, and often accidental, origins (quinolone, [11 ...
The volume of distribution of epirubicin is found to be high and variable (1 000- 1 500), but similar to those reported for doxorubicin. [7] [8] [10] This indicates extensive distribution into the tissue. The total plasma clearance of epirubicin is approximately 45 to 50 L/h/m2, which is almost 2-fold higher than that of doxorubicin.
For the first time in two decades, the Food and Drug Administration (FDA) has approved a new class of medication that provides an alternative to addictive opioids for patients looking to manage ...
Cardiotoxicity may be caused by chemotherapy (a usual example is the class of anthracyclines) [3] [4] treatment and/or radiotherapy; [5] complications from anorexia nervosa; adverse effects of heavy metals intake; [6] the long-term abuse of or ingestion at high doses of certain strong stimulants such as cocaine; [7] or an incorrectly ...
[10] The United States Food and Drug Administration has also approved a dexrazoxane for use as a treatment of extravasation resulting from IV anthracycline chemotherapy . [ 11 ] [ 12 ] Extravasation is an adverse event in which chemotherapies containing anthracylines leak out of the blood vessel and necrotize the surrounding tissue.