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Covid19 clinical trials

View clinical trials related to Covid19.

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NCT ID: NCT05682560 Recruiting - Long COVID Clinical Trials

Human Umbilical Cord Blood (RegeneCyte) Infusion in Patients With Post-COVID Syndrome

Start date: May 4, 2023
Phase: Phase 2
Study type: Interventional

RegeneCyte (HPC, Cord Blood, hUCB) for treatment in patients with post-COVID.

NCT ID: NCT05680896 Recruiting - COVID-19 Clinical Trials

SARS-CoV-2 Infection Among Healthcare Workers

Start date: February 1, 2023
Phase:
Study type: Observational

At present, COVID-19 vaccine is considered as the safest, economic and effective measure to prevent and control COVID-19. Adaptive immunity, including humoral immunity and cellular immunity, plays a role in anti-viral responses. Cellular immunity includes virus specific B cells and T cells, which can provide long-term memory immunity. For acute viral infection, neutralizing antibody is of great significance in preventing infection, while memory cell immunity can maintain a good broad-spectrum and persistence in controlling mutant strains, which is a key factor in controlling viral replication after infection and reducing severe disease and death. However, there is no systematic study on the specific immune response and infection risk of novel coronavirus, and there is no definite conclusion on which specific protective immune response induced by vaccine can reduce the risk of infection. Therefore, this study aims to establish a prospective real-world cohort, analyze the correlation between multiple baseline immune protection indicators and infection risk, follow up the population with breakthrough infection, and monitor the dynamic specific immune response to COVID-19 in peripheral blood and respiratory mucosa. This study will provide an important scientific basis for us to scientifically assess the risk of individual infection with COVID-19.

NCT ID: NCT05679505 Completed - Long COVID Clinical Trials

Vagus Nerve Stimulation for Post-COVID Syndrome

Start date: October 27, 2022
Phase: N/A
Study type: Interventional

The aim of this study is to increase parasympathetic activity and decrease the severity of symptoms by providing vagal stimulation with the t-VNS method in order to suppress the increased sympathetic activity in patients with prolonged Covid symptoms.The main question[s] it aims to answer are: Question 1:Is left ear transcutaneous vagus nerve stimulation effective in suppressing the symptoms of patients in Post Covid syndrome? Question 2:Is bilateral auricular transcutaneous vagus nerve stimulation effective in suppressing the symptoms of patients in Post Covid syndrome? A 5-minute heart rate variability measurement will be performed to measure the effectiveness of vagus nerve stimulation in participants.HRV is a non-invasive method used to evaluate ANS activity and is a measure of heart rate change over a period of time

NCT ID: NCT05679492 Withdrawn - COVID-19 Clinical Trials

Study on the Safety and Efficacy of Meplazumab for Injection Patients COVID-19

Start date: May 30, 2023
Phase: Phase 3
Study type: Interventional

This is a multicenter, randomized, double-blind, placebo-controlled, add-on Phase III clinical study. Based on the "Diagnosis and Treatment Protocol for COVID-19 Pneumonia (Trial 10th edition)" and according to the results of phase I and Phase II clinical studies, one dose group and one placebo group were used in this experiment. The experimental group was add-on experimental drugs for basic treatment and the control group was add-on placebo for basic treatment. The clinical study was led by the First Affiliated Hospital of the Chinese People's Liberation Army, and 1320 adult subjects with mild and medium COVID-19 infection were enrolled in the First Affiliated Hospital of the Chinese People's Liberation Army, the Second Affiliated Hospital of the Chinese People's Liberation Army, the Special Medical Center of the Air Force, and the Third People's Hospital of Shenzhen. A ratio of 1 to 1 was randomly assigned to the experimental or placebo groups.Subjects should have tested positive for COVID-19 nucleic acid in a laboratory and developed at least one symptom of SARS-CoV-2 within 96 hours prior to medication. The administration schedule was on day 1 of the trial (intravenous infusion of Meplazumab or placebo once in the morning of D0; The dosage was 0.2 mg/kg. If the 12 common clinical symptoms of SARS-CoV-2 infection are not relieved.the first administration of D7, an additional dose of 0.2 mg/kg is given based on the body weight of the subjects.

NCT ID: NCT05679479 Completed - COVID-19 Clinical Trials

Study on the Safety and Efficacy of Meplazumab for Injection in Severe Patients With COVID-19

Start date: January 19, 2024
Phase: Phase 3
Study type: Interventional

This is a multicenter, double-blind, randomized, placebo-controlled, loaded Phase III clinical study. This test is in a new coronavirus infection pneumonia diagnosis and treatment plan of 9 (trial version) "(SoC), on the basis of the standard treatments according to the results of clinical studies have been obtained, using a dose of 0.2 mg/kg, and a placebo. The regimen consisted of a single intravenous infusion of Meplazumab or placebo on day 1 (d0) of the treatment period and d7 after initial administration at a dose of 0.2 mg/kg calculated according to body weight. It is expected that 350 subjects will be randomly assigned to Meplazumab or placebo in a 1:1 ratio. Short-term efficacy evaluation was performed for each subject within 28 days after initial administration to determine the therapeutic efficacy and safety of Meplazumab. Long-term follow-up evaluation was performed within 56 days of initial administration to determine the safety of Meplazumab in each subject.

NCT ID: NCT05679466 Active, not recruiting - Clinical trials for Prevention of COVID-19 Caused by SARS-CoV-2

An Investigator Initiated, Randomized, Double-blinded, Placebo-controlled Clinical Trial to Evaluate the Safety, Immunogenicity and Efficacy of the Recombinant Two-component COVID-19 Vaccine (CHO Cell) in Adults Aged 18 Years and Older

Start date: December 27, 2022
Phase: Early Phase 1
Study type: Interventional

Study Objective(s) To evaluate the safety, immunogenicity and protective efficacy of 1 dose of ReCOV in participants who have received 2 or 3 doses of inactivated SARS-CoV-2 vaccination in Chinese adults aged 18 years and older. Primary objective To demonstrate the safety within 30 days after booster dose. Secondary objective(s) To evaluate the immunogenicity after booster dose. To demonstrate the safety within 6 months after booster dose. To evaluate the protective efficacy of RT-PCR-confirmed SARS-CoV-2 infection and COVID-19 after booster dose. Indications:Prevention of COVID-19 caused by SARS-CoV-2 Population:Participants aged 18 years and older who completed 2 or 3 doses vaccination of inactivated COVID-19 vaccines and whose last dose was given 6-18 months, of which the elderly aged 60 years and older account for about 10% to 15%. Sample Size:Approximately 3,300 participants

NCT ID: NCT05679440 Recruiting - COVID-19 Clinical Trials

Postural Changes and Severe COVID-19

Start date: January 10, 2023
Phase: N/A
Study type: Interventional

COVID-19 remains a widespread global epidemic, increasing morbidity, mortality, healthcare resource consumption, and socio-economic burden on patients worldwide. The onset of COVID-19 ranges from mild, self-limiting respiratory disease to severe progressive pneumonia, mainly acute respiratory distress syndrome (ARDS), with critically ill patients requiring admission to the intensive care unit (ICU). Prone positioning has been shown to improve oxygenation and reduce complications and mortality in patients with severe ARDS. Prone position increases functional residual volume and chest wall elasticity, reduces dorsal segment edema in both lower lungs, facilitates uniform ventilation distribution, improves V/Q ratio, reduces alveolar shunts, and aids secretion drainage. In clinical practice, the prone position is mainly used for patients with diffuse bilateral lung lesions. However, it is less effective in unilateral or predominantly upper lung patients. Moreover, some patients are unable to tolerate prone ventilation. Therefore, we construct an individualized approach to postural oxygen therapy by guiding the patient's position based on the pulmonary imaging information. A study on the optimal ventilation position for patients with severe COVID-19 will be conducted at the Department of Respiratory and Critical Care Medicine, Wuhan Union Hospital. The investigators enrolled adult patients (without endotracheal intubation) diagnosed with severe COVID-19 requiring oxygen therapy from 2023.01.10 to 2024.01.10. Patients were grouped into control and intervention groups according to current treatment protocol and pulmonary imaging combined with patients' wishes and degree of postural tolerance. Patients in the intervention group were ventilated in different positions according to pulmonary imaging, including prone, left/right lateral, supine, semi-recumbent, and seated. In contrast, patients in the control group were ventilated comfortably according to the treatment principles and their wishes. The primary observation was 28-day mortality. Secondary observations were oxygenation index (PaO2/FiO2) before and after a position change, endotracheal intubation rate, duration of respiratory support, length of hospital stay, and comfort in position.

NCT ID: NCT05679414 Completed - Clinical trials for COVID 19 Associated Coagulopathy

Prevalence of Thrombophilic Gene Polymorphism (MTHFR C677T) in COVID-19patients

(MTHFR)C677T
Start date: May 11, 2022
Phase:
Study type: Observational

Aim of the study is to find the prevalence of thrombophilic gene methylene tetrahydrofolate reductase (MTHFR) gene polymorphism in a sample of COVID-19 patients, aiming at early detection of MTHFR mutant patients and guiding preventive therapy.

NCT ID: NCT05677997 Recruiting - COVID-19 Clinical Trials

Evaluating the Impact of Resource Navigators to Support LTC and RH Staff During and Beyond COVID-19

Start date: March 1, 2023
Phase: N/A
Study type: Interventional

The goal of this clinical trial is to test how well resource navigators help long-term care and retirement home staff access the various health and wellness resources available to them and the effects that this has on their health and wellness overall. The main questions it aims to answer are: - How does one-on-one support from a resource navigator affect the wellness of long-term care and retirement home staff, including burnout, vaccination status, and COVID-19 infection? Researchers will compare participants in the intervention group (where participants are paired with a resource navigator) and the control group (where participants are not paired with a resource navigator) to see the impact access to a resource navigator has on wellness (primary outcome), burnout, knowledge of, access to and use of wellness resources, knowledge/alignment with provincial public health guidelines related to SARS-CoV-2 vaccine outcomes, SARS-CoV-2 infection, hospitalization, and death (secondary outcomes). Hypothesis: Researchers anticipate that those in the intervention group (have access to a resource navigator) will report a higher positive change in wellness between baseline and 6 months.

NCT ID: NCT05677984 Completed - COVID-19 Clinical Trials

Awaken Prone Positioning Ventinlation in COVID-19 Patients

Start date: January 11, 2023
Phase: N/A
Study type: Interventional

Awaken prone positioning (APP) ventilation has been widely accepted as a standard regimen in the management of COVID-19 patients. Physiological studies have proved ventilation/perfusion improvement during APP in COVID-19, which was associated improved oxygenation. However, the optimal duration for APP was not yet demonstrated. In this study, we aimed at the prolonged APP to see whether this could improve patients outcomes.