In the United Kingdom, it is a Class C, Schedule 4 Controlled Drug under the Misuse of Drugs Regulations 2001. Pricing
In 2000, the U.S. drug company Mylan agreed to pay $147 million to settle accusations by the FTC that they had raised the price of generic lorazepam by 2600% and generic clorazepate by 3200% in 1998 after having obtained exclusive licensing agreements for certain ingredients. References
External links
inchem.org – Lorazepam data sheet
benzo.org.uk – Ashton H. Benzodiazepines: How They Work And How to Withdraw. August 2002 (The "Ashton Manual"). "Lorazepam". Drug Information Portal. U.S. National Library of Medicine.
The nucleotide substitutions were discovered in the late 1990s by classical linkage analysis and are now known as p.R122H and p.N29I respectively, according to the amino acid substitution and position in the protein sequence. These mutations are rarely identified in general screens of patients with idiopathic disease and the phenotype of p.R122H and p.N29I is now well characterised with the p.A16V mutation recently characterised for the first time. There are many other rare mutations or polymorphisms of PRSS1 which remain less well understood and not all HP families have had the responsible genetic mutation identified. The mechanism by which these genetic mutations cause pancreatitis is not yet known; but is likely to be the result of increased autoactivation or reduced deactivation of trypsinogen. However, a novel mechanism has recently been identified in a p.R116C kindred. Diagnosis
Families are defined as having HP, if the phenotype is consistent with highly penetrant autosomal dominant inheritance. In simple terms, this would require two or more first degree relatives (or three or more second degree relatives) to have unexplained recurrent-acute or chronic pancreatitis in two or more generations. It is an autosomal dominant disease with penetrance that is generally accepted to be ≈80%. Management
Treatment of HP resemble that of chronic pancreatitis of other causes. Treatment focuses on enzyme and nutritional supplementation, pain management, pancreatic diabetes, and local organ complications, such as pseudocysts, bile duct or duodenal obstruction. (PMC1774562)

Prognosis
A 2009 study which followed 189 patients found no excess mortality despite the increased risk of pancreatic cancer. References


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