Clinical efficacy of mechanical bacterial lysate in the prevention of infectious exacerbations of chronic obstructive pulmonary disease

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Abstract


Aim. To evaluate the efficacy of mechanical bacterial lysate on the prevention of infectious exacerbations of chronic obstructive pulmonary disease in patients with frequent exacerbations.

Materials and methods. The study included patients (n=60) with frequent exacerbations of COPD (groups C and D according to the GOLD classification). All COPD patients were divided into two groups by blind method. The first group (n=30) received conventional therapy for COPD plus MBL (the course included 3 cycles of 10 days’ therapy with 20-day intervals between them). The second group of patients (control, n=30) received conventional therapy for COPD without MBL.We evaluated the severity of symptoms, frequency of recurrence of COPD exacerbations, readmissions, need for emergency care and changes in basic therapy of COPD. Evaluations were done on 10 days, 1, 3 and 6 months from the start of the study.

Results. Adding of MBL to the therapy list of COPD resulted in a significant decrease of biomarkers of systemic inflammation and sputum purulence during compared to the control group. After 6 months of observation MBL group demonstrated statistically significant improvement of respiratory function, decrease in frequency of COPD exacerbations, needs for emergency medical service, reduced changes in basic therapy and hospitalization for exacerbation of COPD. Therapy with MBL showed a high degree of safety and low incidence of adverse events.

Conclusion. The results of the study indicate that MBL may be used for the prevention of severe infectious exacerbations of COPD.


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About the authors

S. N. Avdeev

Sechenov First Moscow State Medical University (Sechenov University); Scientific Research Institute of Pulmonology

Email: galia32@yandex.ru
ORCID iD: 0000-0002-5999-2150

Russian Federation, Moscow

чл.-кор. РАН, д.м.н., проф., зав. каф. пульмонологии; рук. клинического отд.

G. S. Nuralieva

Sechenov First Moscow State Medical University (Sechenov University); Scientific Research Institute of Pulmonology

Author for correspondence.
Email: galia32@yandex.ru
ORCID iD: 0000-0002-4726-4906

Russian Federation, Moscow

к.м.н., доц. каф. пульмонологии; науч. сотр. лаб. интенсивной терапии и дыхательной недостаточности 

V. V. Gainitdinova

Sechenov First Moscow State Medical University (Sechenov University)

Email: galia32@yandex.ru

Russian Federation, Moscow

д.м.н., проф. каф. пульмонологии

G. E. Baimakanova

Loginov Moscow Clinical Scientific Center

Email: galia32@yandex.ru
ORCID iD: 0000-0001-8198-9313

Russian Federation, Moscow

д.м.н., зав. отд. пульмонологии

A. K. So

Military Medical Academy

Email: galia32@yandex.ru
ORCID iD: 0000-0002-0112-9485

Myanmar, Mingladon

ассистент каф. пульмонологии Военно-медицинской академии

Z. M. Merzhoeva

Sechenov First Moscow State Medical University (Sechenov University); Scientific Research Institute of Pulmonology

Email: galia32@yandex.ru
ORCID iD: 0000-0002-3174-5000

Russian Federation, Moscow

ассистент каф. пульмонологии; науч. сотр. лаб. интенсивной терапии и дыхательной недостаточности 

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Supplementary files

Supplementary Files Action
1.
Fig. 1. The degree of decrease in the degree of purulence of sputum in patients with COPD during treatment.

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2.
Fig. 2. Dynamics of cough and sputum production according to BCSS in patients with COPD on the background of treatment.

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