In vitro and ex vivo activity of thioridazine derivatives against Mycobacterium tuberculosis

Marta Martins, Zsuzsanna Schelz, Ana Martins, Joseph Molnar, Gyorgy Hajös, Zsuzsanna Riedl, Miguel Viveiros, Ismail Yalcin, Esin Aki-Sener, Leonard Amaral

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Thioridazine (TZ) has previously been shown by us to have in vitro and ex vivo activity against antibiotic-susceptible and multidrug-resistant Mycobacterium tuberculosis (MDRTB). Because current therapy of MDRTB is highly problematic even when all five 'first line of defence' drugs are employed, there is a need for effective antituberculosis drugs. New derivatives of TZ were synthesised and their in vitro activity against a reference strain of M. tuberculosis was evaluated with the aid of the BACTEC 460 system. Derivatives that presented significant activity were evaluated by ex vivo studies and were shown to enhance the killing of intracellular M. tuberculosis.

Original languageEnglish
Pages (from-to)338-340
Number of pages3
JournalInternational Journal of Antimicrobial Agents
Issue number3
Publication statusPublished - Mar 1 2007



  • Derivatives
  • Ex vivo activity
  • In vitro activity
  • Multidrug resistance
  • Mycobacterium tuberculosis
  • Thioridazine

ASJC Scopus subject areas

  • Microbiology (medical)
  • Infectious Diseases
  • Pharmacology (medical)

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