Operational Study of Efficacy and Safety of 9-Month Multi- and Pre-Extesively Drug Resistant Tuberculosis Therapy in the Russian Federation
- Authors: Khimova E.S.1, Volchenkov G.V.2, Perkhin D.V.3, Dyzhik E.S.2, Sveshnikova O.M.3, Kuznetsova T.A.2, Makhmaeva S.V.3, Verkhovaya V.N.3, Chernykh M.A.3, Guryeva T.I.3, Bagai A.V.2, Nikishova E.I.1, Eliseev P.I.1,4, Postoev V.A.1, Maryandyshev A.O.1,5
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Affiliations:
- Northern State Medical University
- Center for Specialized Phthisiopulmonological Care
- Arkhangelsk Clinical Tuberculosis Dispensary
- National Medical Research Center of Phthisiopulmonology and Infectious Diseases
- Northern (Arctic) Federal University Named after M.V. Lomonosov
- Issue: Vol 80, No 2 (2025)
- Pages: 97-108
- Section: INFECTIOUS DISEASES: CURRENT ISSUES
- URL: https://bakhtiniada.ru/vramn/article/view/310199
- DOI: https://doi.org/10.15690/vramn18020
- ID: 310199
Cite item
Abstract
Background. The World Health Organization (WHO) recommends conducting regional operational studies of fully oral modified shorter treatment regimens for multidrug/rifampicin-resistant tuberculosis in different countries to achieve an indicator of tuberculosis treatment effectiveness. Aims — to evaluate the efficacy and safety of 9-month, fully oral four-component treatment regimen for patients with MDR and pre-XDR-TB in two administrative regions of the Russian Federation. Methods. In frame of operational research conducted in the Arkhangelsk and Vladimir regions, 167 MDR-TB patients started 9-month treatment. Based on results of drug susceptibility testing of mycobacteria to fluoroquinolones, 134 participans received therapy with combination of levofloxacin (Lfx), bedaquiline (Bdq), linezolid (Lzd), clofazimine (Cfz), one patient — with levofloxacin (Lfx), bedaquiline (Bdq), delamanid (Dlm), clofazimine (Cfz), and 32 patients with — bedaquiline (Bdq), linezolid (Lzd), delamanid (Dlm) and clofazimine (Cfz). The molecular genetic verification of MDR-TB was 98.2%. HIV and hepatitis C co-infection was confirmed for 13.2% and 16.8% of participants, respectively. Adults, two teenagers and a pregnant woman participated in the study. Results. Favorable treatment outcomes were registered for 137 (82%) patients. Two of them had recurrence of the active TB disease. 15 (9%) patients were lost-to-follow-up, 7 (4.2%) patients had failure outcomes, and 8 (4.8%) patients died during treatment. On average, the culture conversion occurred after the first month of treatment. Active safety monitoring revealed 483 adverse events in 167 patients, the most frequent were: hepatotoxic reaction (in 89 patients, 53.3%), anemia (in 62 patients, 37.1%), QT prolongation (in 41 patients, 24.6%), polyneuropathy (in 45 patients, 26.9%). The frequency of serious adverse events was 9.5% of total number of adverse events. Conclusions. The results of an operational study of fully oral 9-month four-component treatment regimens demonstrate the achievement of WHO tuberculosis treatment effectiveness indicators (more than 80%), and low level of serious adverse events. They can be recommended for the national clinical guidelines.
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##article.viewOnOriginalSite##About the authors
Elena S. Khimova
Northern State Medical University
Author for correspondence.
Email: himovae@yandex.ru
ORCID iD: 0000-0002-4255-3207
SPIN-code: 5627-3959
MD, Assistant
Russian Federation, 51 Troitskiy prospect, 163069, ArkhangelskGrigory V. Volchenkov
Center for Specialized Phthisiopulmonological Care
Email: vlchnkv@yahoo.com
ORCID iD: 0000-0002-3416-6477
MD
Russian Federation, VladimirDmitry V. Perkhin
Arkhangelsk Clinical Tuberculosis Dispensary
Email: tubdisp29@gmail.com
ORCID iD: 0009-0007-1076-6498
MD
Russian Federation, ArkhangelskElena S. Dyzhik
Center for Specialized Phthisiopulmonological Care
Email: elenadyuzhik@mail.ru
ORCID iD: 0009-0003-9096-1023
MD, PhD, Assistant Professor
Russian Federation, VladimirOksana M. Sveshnikova
Arkhangelsk Clinical Tuberculosis Dispensary
Email: tub29zam@mail.ru
ORCID iD: 0009-0006-6166-6510
MD
Russian Federation, ArkhangelskTatyana A. Kuznetsova
Center for Specialized Phthisiopulmonological Care
Email: kuznezova@tubdisp.elcom.ru
ORCID iD: 0009-0003-7403-2611
MD
Russian Federation, VladimirSvetlana V. Makhmaeva
Arkhangelsk Clinical Tuberculosis Dispensary
Email: svetkich1975@mail.ru
ORCID iD: 0009-0001-1417-0524
MD
Russian Federation, ArkhangelskViktoria N. Verkhovaya
Arkhangelsk Clinical Tuberculosis Dispensary
Email: viktoria.verkh@yandex.ru
ORCID iD: 0009-0007-6448-3207
MD
Russian Federation, ArkhangelskMarietta A. Chernykh
Arkhangelsk Clinical Tuberculosis Dispensary
Email: marietta.petukhova.19@mail.ru
ORCID iD: 0009-0008-4182-9313
MD
Russian Federation, ArkhangelskTatyana I. Guryeva
Arkhangelsk Clinical Tuberculosis Dispensary
Email: tanya-gyrieva@yandex.ru
ORCID iD: 0000-0003-4328-8131
SPIN-code: 1614-3069
MD
Russian Federation, ArkhangelskAnna V. Bagai
Center for Specialized Phthisiopulmonological Care
Email: Anna.B.33@yandex.ru
ORCID iD: 0009-0004-4817-2642
MD
Russian Federation, VladimirElena I. Nikishova
Northern State Medical University
Email: e.i.nikishova@mail.ru
ORCID iD: 0000-0002-1542-6958
SPIN-code: 8011-1683
MD, PhD, Professor, Assistant Professor
Russian Federation, 51 Troitskiy prospect, 163069, ArkhangelskPlaton I. Eliseev
Northern State Medical University; National Medical Research Center of Phthisiopulmonology and Infectious Diseases
Email: pediatrics@yandex.ru
ORCID iD: 0000-0001-9039-4557
SPIN-code: 9007-4510
MD, PhD
Russian Federation, 51 Troitskiy prospect, 163069, Arkhangelsk; MoscowVitaly A. Postoev
Northern State Medical University
Email: vipostoev@yandex.ru
ORCID iD: 0000-0003-4982-4169
SPIN-code: 6070-2486
MD, PhD, Assistant Professor
Russian Federation, 51 Troitskiy prospect, 163069, ArkhangelskAndrey O. Maryandyshev
Northern State Medical University; Northern (Arctic) Federal University Named after M.V. Lomonosov
Email: maryandyshev@mail.ru
ORCID iD: 0000-0002-8485-5625
MD, PhD, Professor, Corresponding Member of the RAS
Russian Federation, 51 Troitskiy prospect, 163069, Arkhangelsk; ArkhangelskReferences
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