Past Issues

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Halcion (triazolam)

Halcyon (triazolam), used to treat insomnia and as an anesthetic, was approved in 1982.

After the fabrication of data and concealment of side effects were revealed, we requested in August 2002 that Pharmacia & Upjohn, Inc. revise the drug's package insert.


  • YAKUGAI Ombudsperson
  • Tie-up Group

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