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Rifampicin can reduce the efficacy of birth control pills or other hormonal contraception by its induction of the cytochrome P450 system, to the extent that unintended pregnancies have occurred in women who use oral contraceptives and took rifampicin even for very short courses (for example, as prophylaxis against exposure to bacterial meningitis).
Lepetit introduced Rifampicin, an orally active rifamycin, in 1966. [16] Rifabutin, a derivative of rifamycin S, was invented by Italian drug manufacturer Achifar in 1975 and came onto the US market in 1992. [16] Hoechst Marion Roussel (now part of Aventis) introduced rifapentine to the US market in 1998, with Achifar having synthesized it in ...
It contains ethambutol, isoniazid, and rifampicin. [1] It is used either along or with other anti-tuberculosis medication. [1] It is taken by mouth. [1]
There are a few possible causes of resistance in cancer, one of which is the presence of small pumps on the surface of cancer cells that actively move chemotherapy from inside the cell to the outside. Cancer cells produce high amounts of these pumps, known as p-glycoprotein, in order to protect themselves from chemotherapeutics. Research on p ...
Cancer cells are cells that divide continually, forming solid tumors or flooding the blood or lymph with abnormal cells. Cell division is a normal process used by the body for growth and repair. A parent cell divides to form two daughter cells, and these daughter cells are used to build new tissue or to replace cells that have died because of ...
The factory behind the cotton swabs clarified that their products were for medical purposes — and not qualified for DNA testing, according to the publication, which also reported that although ...
1. McDonald’s (2024) McDonald’s is currently in full-blown damage control as sales drop across multiple locations, with the largest fast-food chain the country being at the center of one of ...
There can be many years between promising laboratory work and the availability of an effective anti-cancer drug: Monroe Eliot Wall discovered anti-cancer properties in Camptotheca in 1958, but it was not until 1996 – after further research and rounds of clinical trials – that topotecan, a synthetic derivative of a chemical in the plant, was ...