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Aim: To compare the frequency of cardiovascular events (CVE), to assess the risk of cardiovascular death using the mSCORE and the development of type 2 diabetes mellitus (DM) using the FINDRISC in patients with rheumatoid arthritis (RA) with and without hypothyroidism.

Materials and methods: The study included 149 patients (125 women, 24 men) with RA (median age - 57 [52; 61] years). In all patients, traditional factors of cardiovascular risk and glucose metabolism disorders (age, smoking status, total blood cholesterol, blood pressure, overweight, abdominal obesity - AO, heredity burdened by diabetes, insufficient physical activity, the lack of the necessary amount of berries, fruits and vegetables in the daily diet, history of hyperglycemia episodes), the 10-year risk of death from cardiovascular causes according to the mSCORE and the risk of developing type 2 DM according to the FINDRISС were assessed, a history of CVE (myocardial infarctions, and its revascularization, stroke) was recorded.

Results: Hypothyroidism was diagnosed in 17.4% of RA patients. Patients with hypothyroidism (group 1) were more likely to have AO and less likely to consume unsufficient dietary fiber than patients with euthyroidism (group 2). Moderate, high and very high risk of development according to the mSCORE and FINDRISC was detected in 61.5% of hypothyroid patients and 48.8% euthyroid patients, according to mSCORE alone - in 30.8 and 44.7%, according to FINDRISC - in 0 and 2.4%, respectively (p>0.05 in all cases); 11.5% of patients in group 1 and 6.5% in group 2 suffered from CVE (OR 1.875, 95% CI 0.462-7.607; p=0.63).

Conclusion: It is necessary to evaluate the thyroid gland function, especially in patients with AO due to the high frequency of hypothyroidism in RA. Hypothyroidism did not have an independent effect on the severe CVЕ rates, as well as risk assessment according to the score and FINDRISC in RA patients. Theses, with and without hypothyroidism, were predominantly in the moderate, high, very high risk groups according to both scales.

Aim: To study the frequency of hypogonadism (HG) in men with rheumatoid arthritis (RA), ankylosing spondylitis (AS) and psoriatic arthritis (PsA) and to evaluate the impact of HG on the course of RA and and concomitant diseases.

Materials and methods: A single-stage continuous study included 170 men with RA, 57 men with AS and 85 men with PsA, who were hospitalized at the Nasonova Research Institute of Rheumatology. Patients were assessed for total testosterone (ТS) levels and subsequently divided into subgroups with normal (>12 nmol/l) and reduced levels. An intergroup comparison was carried out on the main indicators used in clinical rheumatological practice to assess the stage, activity and other medical and demographic characteristics of rheumatic disease, as well as on concomitant conditions. The second stage of the study involved a pairwise intergroup comparison among patients with HG with RA, AS and PsA.

Results: The incidence of ТS deficiency among patients with RA was 24.1%, among patients with AS - 17.5%, and with PsA - 31.8%. In patients with RA, HG was associated with a significantly higher mean body mass index, higher fasting blood glucose and uric acid, higher erythrocyte sedimentation rate and anemia. Patients with AS with HG had significantly lower hemoglobin levels and more frequent anemia, as well as higher levels of C-reactive protein and erythrocyte sedimentation rate. In PsA, older age was observed in the androgen deficiency group, as well as higher body mass index and fasting glucose levels; obesity was more common. An intergroup comparison of quantitative and qualitative indicators between patients with androgen deficiency in all three rheumatic diseases (RDs) did not reveal significant differences in the average concentrations of ТS, luteinizing hormone, sex hormone binding globulin, experience of RD, laboratory markers of inflammatory activity, as well as glucose and uric acid. A similar incidence of diabetes mellitus, obesity and anemia was noted for all three nosologies.

Conclusion: ТS levels and the presence of HG were not associated with the stage and activity of RD, but ТS deficiency was accompanied by higher laboratory indicators of inflammatory activity, lower hemoglobin values, and metabolic disorders. Patients with HG, regardless of nosology, had similar levels of sex hormones and indicators reflecting RD and concomitant conditions.

Aim: To evaluate the levels of MPO-DNA complex in patients with systemic lupus erythematosus (SLE) and its association with the presence of lupus nephritis (LN).

Materials and methods: The study included 77 patients with SLE, of whom 30 had SLE without anti phospholipid syndrome (APS), 47 had SLE with APS, and 20 were healthy individuals serving as the control group. The MPO-DNA complex in the serum was investigated using ELISA.

Results: The levels of MPO-DNA complex in serum were significantly higher in patients with SLE compared to healthy controls (p=0.001). Among the patients with SLE, 30 (39%) had elevated levels of MPO-DNA complex. The presence of elevated MPO-DNA complex was significantly associated with the presence of a history of LN (p=0.009). Moreover, among the patients included in the study, 20 had active LN, and patients with elevated MPO-DNA complex levels were more likely to have active LN than patients without elevated MPO-DNA complex concentrations [12 (40%) of 30 vs 8 (17%) of 47, χ²=5.029; p=0.034]. An association was found between elevated levels of MPO-DNA complex and the presence of proteinuria, hematuria, cellular hematic/granular casts and aseptic leukocyturia. A direct correlation of MPO-DNA complex with SLEDAI-R was found in patients with active LN (r_s=0.497; p=0.026).

Conclusion: Elevated levels of MPO-DNA complex were detected in 39% of patients with SLE. These patients had a higher prevalence of LN in their medical history and at the time of inclusion in the study. The correlation between MPO-DNA complex levels and the activity of LN according to SLEDAI-R indicates the potential role of MPO-DNA complex as a biomarker for assessing the activity of renal damage in SLE.

Background: Clinical guidelines for the treatment of rheumatoid arthritis (RA) recommend reducing the use of glucocorticoids (GCs) due to the high risk of associated complications.

Aim: To determine the frequency of GC cancellations and dose reductions in real clinical practice, while taking into account active RA therapy.

Materials and methods: The study group consisted of 303 patients with RA reliable according to ACR/EULAR criteria (women 79.9%, age 52.8±13.3, disease duration 9 [4; 16] years, DAS-28-CRP 4.9±1.0, RF seropositivity 77.4%, ACPA seropositivity 70.3%), who were prescribed or changed therapy with disease-modifying antirheumatic drugs (DMARDs), biologic disease-modifying antirheumatic drugs (bDMARDs) or Janus kinase inhibitors (iJAK) due to disease exacerbation and ineffectiveness of previous treatment. All patients initially received GC (7.7±3.8 mg/day equivalent of prednisolone). After adjustment of therapy, 42.9% of patients received methotrexate, 27.6% leflunomide, 2.5% sulfasalazine, hydroxychloroquine, or a combination with an Non-steroidal anti-inflammatory drugs, 63.7% bDMARDs, and 7.2% iJAK. The need for GC intake was assessed by a telephone survey conducted 6 months after the start of follow-up.

Results: Telephone survey was possible in 274 (90.4%) persons. There was a significant decrease in pain intensity (numerical rating scale, NRS 0-10) from 6.3±1.4 to 4.3±2.4 (p<0.001), fatigue (NRS) from 6.7±2.3 to 5.2±2.1 (p<0.001), and functional impairment (NRS) from 5.4±2.1 to 3.9±2.0 (p<0.001). A positive PASS index (symptom status acceptable to patients) was noted in 139 (50.7%) patients. GC cancellation was noted in 19.7%, dose reduction in 25.9%, maintaining the same dose in 42.7%, and dose increase in 11.7%.

Conclusion: Against the background of intensive RA therapy, including combination of DMARDs with bDMARDs or iJAK, complete withdrawal or reduction of GC dose was achieved in less than half (45.6%) of patients after 6 months.

Aim: To study the real-world efficacy and safety of netakimab in the treatment of ankylosing spondylitis (AS) and psoriatic arthritis (PsA).

Materials and methods: The retrospective analysis included 23 patients (13 males; 56.5%) aged 23 to 73 years (median 42, interquartile range 28 to 52 years) with AS (n=12) or PsA (n=11) who received netakimab therapy from February 2021 to April 2023. Disease activity was assessed every 3-6 months based on the C-reactive protein (CRP) level for all patients according to the BASDAI and ASDAS-CRP indices for AS, DAPSA and PASI for PsA. These indicators were analyzed before therapy and at the last visit to assess the effectiveness of treatment. The results are presented as median (interquartile range).

Results: In all patients treated with netakimab (median duration of treatment 11 months), the CRP level decreased from 10.6 (3.1; 17.3) to 3.1 (1.9; 8.9) mg/L (absolute difference -7.5 mg/L, median relative reduction -60%; p=0.008), and the proportion of patients with elevated CRP decreased from 70 to 41%; p=0.039. In patients with AS (median duration of treatment 9 months), BASDAI score decreased from 5.8 (4.7; 6.5) to 3.0 (1.9; 3.8) points (absolute difference -2.8 points, median relative reduction of -45%; p=0.008) and ASDAS-CRP score decreased from 2.8 (1.9; 3.9) to 1.9 (1.7; 2.6) points (absolute difference -0.9 points, median relative reduction -21%; p=0.007). The proportion of patients with high AS activity (BASDAI≥4) decreased from 90% to 20% (p=0.031); however, there was no significant change in the CRP level (absolute difference -4.9 mg/L, median relative reduction -57%; p=0.110). In patients with PsA (median duration of treatment 18 months), the CRP level decreased from 12.0 (4.5; 17.3) to 3.3 (2.0; 7.8) mg/L (absolute difference -8.7 mg/L, median relative reduction -80%; p=0.041), the DAPSA score decreased from 23.0 (19.0; 30.5) to 6.3 (5.2; 13.5) points (absolute difference -16.7 points, median relative reduction -69%; p=0.018). Three (13%) patients reported mild to moderate adverse events.

Conclusion: The obtained data confirm the effectiveness and safety of netakimab in treating AS and PsA in real-world practice.

Ways for reducing mortality from cardiovascular diseases The article analyzes the possible ways to further reduce cardiovascular disease mortality in the Russian Federation by eliminating shortcomings and pitfalls, introducing known but not used opportunities, and new organizational and medical technologies based on the accumulated experience of "best practice".

Disorders of the mineral balance often determine the symptoms, the severity of the course and the prognosis of many diseases. Primary hyperparathyroidism (PHPT) is a common endocrine disease caused by increased secretion of parathyroid hormone as a result of primary damage to the parathyroid glands. Diagnosis of PHPT is often difficult. Clinical signs of PHPT appear months or years after the onset of the disease, however, the presence of hypercalcemia serves as an early indication of the disease of the thyroid gland. Often, patients are observed for a long time by related specialists (rheumatologists, traumatologists-orthopedists, oncologists), which gives rise to a lot of problems consisting in the lack of adequate treatment and its result, the progression of the disease, disability, and a decrease in the quality of life. Often, patients are observed for a long time by related specialists (rheumatologists, orthopedic traumatologists, oncologists) under the "masks" of various pathologies (osteoporosis, recurrent urolithiasis, etc.), which gives rise to a lot of problems, consisting in an erroneous diagnosis, lack of adequate treatment and its result, progression of the disease, disability, and a decrease in the quality of life. Late diagnosis of PHPT leads to the development of severe complications (osteoporetic fractures, renal failure) and an increased risk of premature death. A clinical case of late diagnosis of PHPT at the stage of pronounced bone complications of the disease, which proceeded under the guise of osteoarthritis, is considered. According to the results of laboratory and instrumental studies, the following were revealed: hypercalcemia, a significant increase in the concentration of PTH, adenoma of the left lower parathyroid gland, hyperparathyroid osteodystrophy, and a decrease in bone mineral density. Surgical treatment was performed - selective parathyroidectomy with the development of hypocalcemia in the early postoperative period, which was stopped by taking calcium supplements and active vitamin D metabolites and is designed to help practitioners of various specialties to understand the issues of diagnosis of PHPT and effective care for patients.

Aim: Evaluation of the efficacy and safety of the drug Aterixen^® (XC221GI, 1-[2-(1-methylimidazole-4-yl)-ethyl]perhydroazine-2,6-dione), in the treatment of uncomplicated forms of influenza and other ARVI in adults.

Materials and methods: The phase III clinical trial enrolled 260 people aged 18-65 years with mild and moderate forms of influenza or other ARVI. Patients were randomly assigned to two groups: in group 1 (n=130), patients were prescribed the drug Aterixen® in tablets of 100 mg 2 times a day for 5 days; in group 2 (n=130) - a placebo corresponding to the drug, in the same regimen. The primary endpoint of the efficacy assessment was the time in hours from the first administration of the drug to clinical improvement. The main efficacy analysis was performed in a population of patients with PCR-confirmed influenza or ARVI who completed the study according to the protocol (per protocol infected). Additionally, efficacy was evaluated in ITT and PP populations, including patients with both identified and undetected pathogen. The population for safety analysis included all patients, without exception, who were exposed to at least one exposure to the study drug or placebo.

Results: A statistically significant superiority of the drug Aterixen^® over placebo in primary endpoint was revealed in both the main and additional analysis in all studied populations: clinical improvement in the group of the studied drug occurred 24 hours faster compared with the placebo group. The evaluation of the effectiveness of secondary endpoints confirmed the superiority of the drug Aterixen^® over placebo in terms of relief of catarrhal symptoms and symptoms of intoxication. A favorable safety profile of the drug has been demonstrated.

Conclusion: The drug has demonstrated a favorable safety profile for use in outpatient practice. Aterixen^® is an effective and safe treatment for influenza and other ARVI in adults.

Autoimmunity and autoinflammation, co-potentiating pathological processes, are considered within the "immune-inflammatory" continuum (continuity with a variety of elements), reflecting the close relationship between the innate and acquired immune responses. Autoimmunity is the leading pathogenetic mechanism for a specific type of human chronic inflammatory disorders - autoimmune diseases, affecting more than 10% of people in the general population. Advances in molecular biology, pharmacogenetics, and bioinformatics provided the background for individualizing therapy for systemic autoimmune rheumatic diseases within personalized medicine. Studying the immunopathogenesis mechanisms, improving diagnostics, interpreting the molecular taxonomy, and developing approaches to the prevention and personalized therapy of systemic autoimmune rheumatic diseases are the priority issues of modern medicine.

The article reviews current approaches to diagnosing and treating chronic thromboembolic pulmonary hypertension (CTEPH). The definition of the CTEPH is given, and its main risk factors are described. It is shown that the modern algorithm of diagnostic search includes four stages; the examination methods used at each stage are characterized. The most rational approach to CTEPH therapy is provided; the possibilities and limitations of pulmonary endarterectomy, transluminal balloon angioplasty of the pulmonary arteries, and specific therapy of pulmonary hypertension in such patients are described. The clinical presentation and treatment of CTEPH according to the Russian Pulmonary Hypertension Registry are reviewed.