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[Why do good drugs disappear?].

Authors
  • Brezis, Mayer
  • Tomer, Ron
  • Klang, Samuel
  • Hammerman, Ariel
Type
Published Article
Journal
Harefuah
Publication Date
Oct 01, 2010
Volume
149
Issue
10
Identifiers
PMID: 21568061
Source
Medline
License
Unknown

Abstract

Old drugs, with proved efficacy and safety, are disappearing from the market. For instance, nitrofurantoin, an inexpensive effective agent for urinary tract infections with low incidence of bacterial resistance in comparison to other antibiotics, is becoming unavailable. Alpha-methyldopa and hydraLazine, drugs of choice for pregnancy hypertension, are no longer available. Chlorthalidone, a Long acting thiazide with best evidence on efficacy, is no Longer marketed in Israel. Switching to newer agents increases costs and is often associated with relative uncertainty about safety and efficacy. The reason for the disappearance of old drugs is a combination of market failures and failures in production and regulatory processes. System revisions are needed to allow continued availability of old, safe and effective drugs.

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