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Benzodiazepines have a unique history in that they were responsible for the largest-ever class-action lawsuit against drug manufacturers in the United Kingdom, involving 14,000 patients and 1,800 law firms that alleged the manufacturers knew of the dependence potential but intentionally withheld this information from doctors.
Librium, based on the R0 6-690 compound discovered by Sternbach in 1956, was approved for use in 1960. In 1963, its improved version, Valium, was released and became astonishingly popular: between 1969 and 1982, it was the most prescribed drug in America, with over 2.3 billion doses sold in its peak year of 1978.
In 1907 Alfred Bertheim synthesized Arsphenamine, the first man-made antibiotic. In 1927 Erik Rotheim patented the first aerosol spray can. In 1933 Robert Pauli Scherer created a method to develop softgels. William Roberts studies about penicillin were continued by Alexander Fleming, who in 1928 concluded that penicillin had an antibiotic ...
Diazepam was patented in 1959 by Hoffmann-La Roche. [15] [22] [23] It has been one of the most frequently prescribed medications in the world since its launch in 1963. [15] In the United States it was the best-selling medication between 1968 and 1982, selling more than 2 billion tablets in 1978 alone. [15]
Clonazepam was patented in 1960 and went on sale in 1975 in the United States from Roche. [16] [17] It is available as a generic medication. [11] In 2022, it was the 57th most commonly prescribed medication in the United States, with more than 11 million prescriptions. [18] [19] In many areas of the world, it is commonly used as a recreational ...
Clobazam, sold under the brand names Frisium, Onfi and others, is a benzodiazepine class medication that was patented in 1968. [3] Clobazam was first synthesized in 1966 and first published in 1969. Clobazam was originally marketed as an anxioselective anxiolytic since 1970, [ 4 ] [ 5 ] and an anticonvulsant since 1984. [ 6 ]
Finally, note that the benzodiazepine core is a privileged scaffold, which has been used to derive drugs with diverse activity that is not limited to the GABA A modulatory action of the classical benzodiazepines, [60] such as devazepide and tifluadom, however these have not been included in the list below. 2,3-benzodiazepines such as tofisopam ...
Pyrazolam (SH-I-04) [2] is a benzodiazepine derivative originally developed by a team led by Leo Sternbach at Hoffman-La Roche in the 1970s. [3] It has since been "rediscovered" and sold as a designer drug since 2012.