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  • 1
    Online Resource
    Online Resource
    Prognostic role of clinical and biological factors and parameters of hormonal profile in patients with primary inoperable HER2-negative breast cancer
    Consilium Medicum ; 2021
    In:  Journal of Modern Oncology Vol. 23, No. 1 ( 2021-05-19), p. 82-87
    Details
    In: Journal of Modern Oncology, Consilium Medicum, Vol. 23, No. 1 ( 2021-05-19), p. 82-87
    Abstract: Relevance. Breast cancer (BC) is among the most common cancers and the leading causes of cancer death in women worldwide. Much attention is paid to the problem of its hormoneresistance; however, the issues of using prognostic markers and predictors in routine cancer clinical practice remain unresolved. Aim. Study and analysis of prognostic significance of clinical and biological factors and parameters of the hormonal profile in patients with primary inoperable HER2-negative breast cancer receiving neoadjuvant chemotherapy. Materials and methods. The study included 162 patients with locally advanced primary inoperable HER2-negative breast cancer. Patients were divided into 2 groups. Group 1 included 58 patients with early disease progression within 6 to 12 months after radical surgical treatment. Group 2 included 104 patients with no disease progression within 2 years after radical surgical treatment. In all cases, diagnosis was verified histologically and immunohistochemically. Levels of prolactine, progesterone, estradiol, luteinizing hormone (LH), follicle-stimulating hormone, testosterone and cortisol were measured by RIA. The blood plasma values in 20 healthy donors were used as reference one. The data were processed using the Statistica 7.0 and MedCalc (version 9.3.5.0) programs. All patients received combination antitumor treatment according to clinical guidance. Results. An analysis of the overall (OS) and event-free (EFS) survival in group 1 showed that the median EFS in patients with luminal B BC was 9 months, with triple-negative BC (TNBC) 8 months. 6-month EFS in luminal B subtype was 87.5%, in TNBC 79.4%, p=0.37985. 1-year EFS was 1.721.7% regardless of the biological subtype. The median OS in luminal B BC was 25 months, in TNBC 26 months. 1-year OS in luminal B BC 100%, in TNBC 93.9%, p=0.138. 2-year OS in luminal B BC 54.2%, in TNBC 55.9%, p=0.697. 3-year survival in luminal B BC 37.5%, in TNBC 41.2%, p=0.639. An analysis of OS and EFS in group 2 showed that the median EFS was not reached for all biological subtypes. 3-year survival in the group was 100% regardless of the biological subtype. The median OS was not reached for all biological subtypes. 3-year OS in the group was 100%. An analysis of the hormonal profile in the treatment dynamics showed decreased levels of estradiol in all groups of patients (by 1.6 times). In group 1, progesterone was decreased by 2.1 times, testosterone by 2.4 times and LH by 2.1 times in all BC subtypes (p0.05). Patients of group 2 showed 2 times reduced cortisol and 3 times reduced prolactin in all BC subtypes, while LH levels were elevated by 1.6 times in luminal A and B BC. Conclusion. Aggressive course was observed similarly in triple-negative cancer as well as in luminal cancer with primary hormone resistance. Studying of pituitary and sex hormones and cortisol have a great clinical significance in patients with all biological subtypes of BC. This should be taken into account when predicting the course of the disease and developing further treatment options.
    Type of Medium: Online Resource
    ISSN: 1815-1442 , 1815-1434
    URL: Article
    DOI: 10.26442/18151434.2021.1.200716
    Language: Unknown
    Publisher: Consilium Medicum
    Publication Date: 2021
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  • 2
    Online Resource
    Online Resource
    Prevalence and risk factors of post-COVID-19 condition in adults and children at 6 and 12 months after hospital discharge: a prospective, cohort study in Moscow (StopCOVID)
    Springer Science and Business Media LLC ; 2022
    In:  BMC Medicine Vol. 20, No. 1 ( 2022-12)
    Details
    In: BMC Medicine, Springer Science and Business Media LLC, Vol. 20, No. 1 ( 2022-12)
    Abstract: Previous studies assessing the prevalence of COVID-19 sequelae in adults and children were performed in the absence of an agreed definition. We investigated prevalence of post-COVID-19 condition (PCC) (WHO definition), at 6- and 12-months follow-up, amongst previously hospitalised adults and children and assessed risk factors. Methods Prospective cohort study of children and adults with confirmed COVID-19 in Moscow, hospitalised between April and August, 2020. Two follow-up telephone interviews, using the International Severe Acute Respiratory and Emerging Infection Consortium survey, were performed at 6 and 12 months after discharge. Results One thousand thirteen of 2509 (40%) of adults and 360 of 849 (42%) of children discharged participated in both the 6- and 12-month follow-ups. PCC prevalence was 50% (95% CI 47–53) in adults and 20% (95% CI 16–24) in children at 6 months, with decline to 34% (95% CI 31–37) and 11% (95% CI 8–14), respectively, at 12 months. In adults, female sex was associated with PCC at 6- and 12-month follow-up (OR 2.04, 95% CI 1.57 to 2.65) and (OR 2.04, 1.54 to 2.69), respectively. Pre-existing hypertension (OR 1.42, 1.04 to 1.94) was associated with post-COVID-19 condition at 12 months. In children, neurological comorbidities were associated with PCC both at 6 months (OR 4.38, 1.36 to 15.67) and 12 months (OR 8.96, 2.55 to 34.82) while allergic respiratory diseases were associated at 12 months (OR 2.66, 1.04 to 6.47). Conclusions Although prevalence of PCC declined one year after discharge, one in three adults and one in ten children experienced ongoing sequelae. In adults, females and persons with pre-existing hypertension, and in children, persons with neurological comorbidities or allergic respiratory diseases are at higher risk of PCC.
    Type of Medium: Online Resource
    ISSN: 1741-7015
    URL: Article
    DOI: 10.1186/s12916-022-02448-4
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2022
    detail.hit.zdb_id: 2131669-7
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