# 6067
While more than a little discomfiting, in recent years we’ve grown accustomed to hearing about MDR-TB (multi-drug resistant tuberculosis), and XDR-TB (extensively drug resistant Tuberculosis).
These varyingly resistant forms of Tuberculosis have come about primarily as the result of incomplete, irregular, or inappropriate treatment and management of infected patients. Patient compliance for long-term treatment has long been a major obstacle.
Until now – as difficult as treatment might have been - there has always been some combination of antibiotics that could be used to treat even the most resistant of TB cases.
All that appeared to change a few weeks ago when it was announced in an ahead-of-print letter to the journal Clinical Infectious Diseases that a four cases of TDR (totally drug resistant) tuberculosis had been identified in India. A follow up news report indicated that there are now at least 12 known cases in one hospital alone.
For more background on this announcement, I would invite you to read Maryn McKenna’s recent blog entry called India Reports Completely Drug-Resistant TB.
Today the ECDC has published their own comments on this development, along with links to other TB-related documents, on their website.
One of the points being made in the comments section (excerpted below) is that the term TDR-TB is as yet not well defined, and may be misleading.
Total drug resistant TB is a relative notion and depends on the local drugs available and tested on. This term/expression should either be avoided or should be defined worldwide. The World Health Organization (WHO) has internationally-endorsed treatment recommendations for the treatment of drug-susceptible, MDR-TB and XDR-TB.
Successful treatment of TB is possible but requires full support from the health care system by offering optimal diagnostic services, high-quality drugs for the full time of treatment and support to the patient in fulfilling the treatment. To make this happen, strong TB diagnostic services and processes that ensure the rational use of TB drugs (1,2,3) are essential in order to be able to test all suspected TB cases for drug-resistance and to identify resistance as soon as possible to enable appropriate therapy. Furthermore, ensuring treatment outcome monitoring of all cases is vital.
Follow the link below to read the entire comment.
New drug resistant form of tuberculosis reported in India
12 Jan 2012
In a recent scientific article (Udwadia, F et al. Clin. Infect. Dis. 2011, Dec 21, Eprint) four cases of so-called total drug resistant tuberculosis (TB) were reported from India. According to the article, these patients have shown resistance to all the first line TB drugs and to seven second line anti-TB drugs.
With the existing forms of multi-drug and extensively drug resistant TB (M/XDR-TB) this so-called total drug resistant TB would indicate that none of the known TB combination regimens would be effective for such patients.
Read more:
Read the ECDC comment on this in our fullPublic Health Development “New drug resistant form of tuberculosis reported in India”
Tuberculosis, a global challenge: discover the ECDC Spotlight
Get the facts: read the ECDC special report “Progressing towards TB elimination”
Download the report “Tuberculosis surveillance in Europe 2009”
Discover the Spotlight “Tackling tuberculosis in children: towards a TB-free generationKeep in touch with ECDC on facebook
Read the ECDC/WHO co-authored article “Tackling the spread of drug-resistant tuberculosis in Europe”
This story is just beginning to unfold, and I’m sure we’ll hear a lot more about it – and whether or not this new form of tuberculosis is indeed, as the study authors dubbed it - `totally resistant’ – in the coming months.
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