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  • Title: Availability of drugs and resistance testing for bedaquiline, pretomanid, linezolid, and moxifloxacin (BPaL(M)) regimen for rifampicin-resistant tuberculosis in Europe.
    Author: Günther G, Guglielmetti L, Kherabi Y, Duarte R, Lange C, Tuberculosis Network European Trials group.
    Journal: Clin Microbiol Infect; 2024 Sep; 30(9):1197.e1-1197.e4. PubMed ID: 38490355.
    Abstract:
    OBJECTIVES: Multidrug-resistant/rifampicin-resistant tuberculosis is a major obstacle to successful tuberculosis control. The recommendation by the WHO to use bedaquiline, pretomanid, linezolid, and moxifloxacin (BPaL(M)) for 6 months, based on results of two trials with high efficacy and low toxicity, has revolutionized treatment options. METHODS: In this study, representatives of the Tuberculosis Network European Trials group in 44 of 54 countries of the WHO Europe region documented the availability of the medicines and drug susceptibility testing (DST) of the BPaL(M) regimen through a structured questionnaire between September and November 2023. RESULTS: In total, 24 of 44 (54.5%), 42 of 44 (95.5%), 43 of 44 (97.7%), and 43 of 44 (97.7%) countries had access to pretomanid, bedaquiline, linezolid, and moxifloxacin, respectively. Overall, 23 of 44 (52.3%) countries had access to all the drugs composing the BPaL(M) regimen. In total, 21 of 44 (47.7%), 37 of 44 (84.1%), 40 of 44 (90.9%), and 41 of 44 (93.2%) countries had access to DST for pretomanid, bedaquiline, linezolid, and moxifloxacin, respectively. Overall, DST was available for all medicines composing the BPaL(M) regimen in 21 of 44 (47.7%) countries, including countries where pretomanid DST was available at specialized laboratories. The availability of DST for the drugs the countries had access to, varied from 87.5% to 95.3% (pretomanid 21 of 24 (87.5%), bedaquiline 37 of 42 (88.1%), linezolid 40 of 43 (93.1%) and moxifloxacin 41 of 43 (95.3%)). DISCUSSION: In only about half of the countries participating in the survey, clinicians had access to all the BPaL(M) regimen drugs. A complete DST for the BPaL(M) medicines was possible in less than half of the countries, because of the low accessibility of DST for pretomanid. Equal access to new regimens is urgently needed in Europe and a rapid scale up of DST, especially for pretomanid, is important to prevent unnoticed spread of drug resistance.
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