View clinical trials related to Coronavirus Infections.
Filter by:The nature of the planned study: The topic is of an applied nature and is aimed at improving the results of comprehensive treatment of patients with COVID-19, the course of whose disease was complicated by thrombotic or hemorrhagic catastrophes. It is planned to analyze the results of treatment of this category of patients based on the work of several centers that provided surgical care to patients with COVID-19 during the pandemic (8 cities). As a result of the analysis, it is planned to develop algorithms for the prevention and treatment of thrombotic and hemorrhagic complications in patients with COVID-19. The proposed study will be multicenter, cohort, retrospective. The purpose of the study: Improvement of treatment results in COVID-19 patients with thrombotic or hemorrhagic complications Scientific novelty: For the first time, as a result of a multicenter study, it is expected to identify the most effective approach to the treatment and prevention of thrombotic and hemorrhagic complications in patients with COVID-19. For the first time, it is planned to develop and put into practice algorithms for the application of the most effective methods of treatment and prevention of thrombohemorrhagic complications of COVID-19.
Study hypothesis: the viral neutralizing monoclonal antibodies Tiksagevimab/Cilgavimab and Regdanvimab have high neutralizing activity against SARS-CoV-2 coronavirus, including Omicron strain, and may be effective in treating patients with moderate to severe COVID-19. Description of the clinical study: Administration of monoclonal antibodies as antiviral therapy to patients with covid-19 and further Assesment of viral neutralizing monoclonal antibodies (Tiksagevimab/Cilgavimab and Regdanvimab) efficacy for treatment of new coronavirus infection (COVID-19) in adult patients. Participation of patients of both sexes aged 18 years or older with COVID-19 of moderate to severe course, hospitalized. Inclusion of 82 patients in the study: 38 in the tixagevimab/cilgavimab group (at a dose of 150+150 mg), 24 patients in the regdanvimab group (at a dose of 40 mg/kg body weight) and 20 patients in the tixagevimab/cilgavimab group (at a dose of 300+300 mg).
Popular title: Clinical study of Omicron BA.4/5-Delta strain recombinant novel coronavirus protein vaccine (CHO cells). Purpose of the study: Main objectives: To evaluate the immunogenicity and safety of Omicron BA.4/5-Delta strain recombinant novel coronavirus protein vaccine (CHO cells) against the new coronavirus prototype strain and Omicron variant (BA.5, BF.7) after vaccination in people aged 18 years and older. Secondary purposes: To evaluate the immune persistence of Omicron BA.4/5-Delta strain recombinant novel coronavirus protein vaccine (CHO cells) against the new coronavirus prototype strain and Omicron variant (BA.5, BF.7) after vaccination in people aged 18 years and older. Overall design: Studies were randomized, double-blind, active, controlled study design. Study group: people aged 18 years and above who have completed primary immunization or booster immunization of the new coronavirus vaccine for more than 6 months. Study group: Randomly divided into study group and control group according to the 1:1 ratio, of which 225 subjects in the study group and 225 subjects in the control group were vaccinated with study vaccine and control vaccine respectively.
The goal of this prospective multicentric study is to evaluate the presence of long-term pulmonary sequelae in patients who had required hospitalization for treating COVID-19 pneumonia, trough chest CT and pulmonary function tests (PFT). Secondly we would like to evaluate the possible correlation between the chest CT findings and pulmonary function tests pre-existing co-morbidities and type of therapy used during hospitalization.
An Open Comprative Study of the Prophylactic Efficacy and a Non-comparative Study of the Immunogenicity and Safety of the Inactivated Whole-virion Concentrated Purified Coronavirus Vaccine (CoviVac) Produced by FSBSI "Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products" for Adults Aged 60 Years and Older
The goal of this clinical trial is to assess the immunogenicity, efficacy and safety of the Convacell vaccine in healthy adult volunteers aged 18 years and older. The main questions it aims to answer are: - To assess the immunogenicity and safety of single and double dose intramuscular administration of the Convacell vaccine; - To assess the epidemiological effectiveness of the Convacell vaccine in the prevention of SARS-CoV-2 infection and development of severe COVID-19 compared with placebo when single or double intramuscular injection.
Knowing that the vaccine antigen includes the ACE2 binding moiety (RBD), the hypothesis is that circulating vaccine antigen could reduce the enzymatic activity of ACE2, and thus increase circulating AngII concentration, monocyte ROS production and lymphocyte apoptosis. This hypothesis is supported by the fact that the Spike protein of SARSCoV-1, which uses the same receptor as SARS-CoV-2, induces a decrease in expression and activation of the Angiotensin II pathway in mice (Kuba et al. 2005).
VBI-2901a is an investigational vaccine candidate that uses enveloped virus-like particles (eVLPs) to express the spike proteins of three coronaviruses: SARS-CoV-2 (the virus that causes COVID-19 disease), SARS-CoV-1 and MERS-CoV. The trivalent vaccine candidate is designed to induce neutralizing antibody and cell-mediated immune responses against the spike protein of the original strain of SARS-CoV-2, SARS-CoV-2 variants (such as Beta, Delta and Omicron) and other related coronaviruses that could emerge in the future. The Phase 1 study will be an open-label comparison of two intramuscular doses of VBI-2901a at 5 µg or 10 µg per dose or one dose of VBI-2901a at 10 µg per dose in adults 18 to 64 years of age who had previously received two or more vaccinations with licensed COVID-19 vaccines. The purpose of the study is to test the safety of VBI-2901a and to know more about its ability to boost immune response against SARS-CoV-2 (the virus that causes COVID-19 disease) and two other related coronaviruses SARS-CoV-1 and MERS-CoV.
The SARS-CoV-2 virus causes severe respiratory illness and is an ongoing global pandemic. On December 12, 2020 the FDA approved Pfizer's BioNTech vaccine BNT162b2 which is a messenger RNA type of vaccine for use. This vaccine has shown in numerous studies the ability to induce a strong immune response and provide both humeral and cellular protection against wild type, alpha and delta variants of SARS-CoV2 virus. In Israel the national vaccine operation began in mid-December 2020 which included 2 initial doses three weeks apart. In August 2021 a first booster (3rd dose) was provided to enhance protection and due to reports of reduced immune response and clinical protection. Several studies have demonstrated that over time there is a decay in the antibody levels, and with them reduced protection. Recently a new variant of concern has been identified (Omicron) and is causing a surge of infections worldwide. There is lack of knowledge regarding the effectiveness of the current schedule of vaccine against this new variant and whether a second booster (4th dose) will provide higher levels of clinical protection against this variant, currently the ministry of health is considering recommendations for a fourth dose for HCW. The purpose of this study is to examine whether a fourth dose of vaccination will provide better protection against infection and clinical disease.
The health crisis linked to the coronavirus has had a significant impact on the mental health. The question of the repercussion of this crisis on the consumption of psychotropic drugs is crucial. It is all the more true in France, which was already among the countries with the highest consumption of psychotropic drugs before the crisis. Indeed, an increase in the number of reimbursements for anxiolytic, hypnotic and antidepressant drugs has been highlighted in the context of the health crisis, using data from the health insurance database. To enhance the understanding about the impacts of the health crisis on the use of psychotropic drugs, it is essential to characterize the evolution of the use at the individual level. The main objective is to assess the impact of the coronavirus-related health crisis on the consumption of psychotropic drugs by studying the trajectories of reimbursements. The secondary objective of the project is to evaluate the evolution of problematic consumption of psychotropic drugs in the context of the health crisis.