View clinical trials related to Covid19.
Filter by:This study will define the kinetics of IgG responses to both N and S proteins in the subjects who suffered from COVID 19 and then had recovered and those who were previously undiagnosed but were seropositive. These subjects will be followed for four months to evaluate the levels of antibodies in these people.
Establish a COVID-19 biorepository to aid in developing our knowledge of the disease.
A new strain of coronavirus that caused severe respiratory disease in infected individuals was initially identified in China's Wuhan City in December 2019. Severe acute respiratory distress syndrome coronavirus-2 (SARS-CoV-2), which was responsible for the corona virus infectious disease-2019 (COVID-19).The World Health Organization declared that COVID-19 was a Public Health Emergency of International Concern on January 30,2020. The impact of COVID-19 in liver recipients remains largely unknown but accumulating experience is going on. Liver transplant recipients should have been classified as a risk group and should have received regular surveillance for COVID-19 throughout the pandemic. Some reports suggest decreasing immunosuppression for infected recipients, if no recent rejection episodes. Paradoxically, others suggest that a reactive immune response might be the cause for severe tissue damage, and that immunosuppression might be protective from the postulated cytokine storm. Some studies stated that the LT patients who are permanently on immunosuppressants could be particularly susceptible to SARS-CoV-2, and their prognosis could be worse in comparison to the normal population. They recommended that LT recipients should be closely monitored for SARS-CoV-2. The LT society of India (LTSI) highlighted the potential of LT recipients as asymptomatic carriers and source of viral spread, and that SARS-CoV-2 can be transmitted to LT recipients. There are insufficient data on the relationship between immunosuppressive therapy and COVID-19 in LT recipients during this pandemic. However, the Beijing working party for liver transplantation suggested that LT recipients who were infected with SARS-CoV-2 should be treated with steroids for a short period to reduce the severity of pneumonia. They also suggested that immunosuppressive therapies should be continued for both patients with mild COVID-19 and those who were not infected by the virus, and calcineurin inhibitor treatment dosage should be reduced in moderate to severe cases. Neutralizing antibodies (NAbs) play an important role in virus clearance and have been considered as a key immune product for protection or treatment against viral diseases. Virus-specific NAbs, induced through either infection or vaccination, have the ability to block viral infection. SARS-CoV -2 specific NAbs reached their peak in patients from day 10-15 after the onset of the disease and remained stable thereafter in the patients. Antibodies targeting on different domains of S protein, including S1, RBD, and S2, may all contribute to the neutralization. Al-Rajhi Liver Center is the only liver transplantation center in Upper Egypt that performed only 51 living donor liver transplantation (LDLT) cases since 2014, but it was used as isolation Hospital for COVID-19 cases from March to July, 2020. Communication with liver transplant cases during that period was via Telemedicine. Resuming usual Hospital activity as Tertiary Liver Center occurred in 15 August 2020. Similarly, other Hospitals in Egypt were designated as COVID-19 isolation Hospitals.
This is a phase I trial followed by a phase II randomized trial. The purpose of phase I study is the feasibility of treating patients with acute respiratory distress syndrome (ARDS) related to COVID-19 infection (COVID-19) with cord blood-derived mesenchymal stem cells (MSC). The purpose of the phase II trial is to compare the effect of MSC with standard of care in these patients. MSCs are a type of stem cells that can be taken from umbilical cord blood and grown into many different cell types that can be used to treat cancer and other diseases. The MSCs being used for infusion in this trial are collected from healthy, unrelated donors and are stored and grown in a laboratory. Giving MSC infusions may help control the symptoms of COVID-19 related ARDS.
Background: The higher death rate from COVID-19 in the older population is associated with low CD8 T cell counts in the blood. Researchers want to learn the status of CD8 T cells specific to SARS-CoV-2 and their changes with aging and in COVID-19. This may help to identify why COVID-19 is particularly lethal in the elderly and help to create an effective vaccine against SARS-CoV-2 in the elderly. Objective: To identify SARS-CoV-2 specific CD8 T cells in humans, and to determine their quantity and quality in people who have recovered from COVID-19. Eligibility: Maryland residents age 18 and older who have tested positive for and recovered from COVID-19. Design: Participants will be screened by phone. They must be able to provide a copy of their positive COVID-19 test result. Participants will visit the NIA/Clinical Research Unit. The visit will take about 1 hour. Laboratory tests showing a positive COVID-19 result will be verified. Participants vital signs will be checked. This will include blood pressure, temperature, pulse, and respiration. Height and weight will be measured. Participants will have a medical history and medicine review. They will complete a COVID-19 questionnaire. Participants will have blood drawn. They will give a urine sample. Participants will give a saliva sample. They will rinse their mouth with water. After about 3 minutes, they will let saliva pool in the base of their mouth and then spit into a sterile container. Participants may be asked if they would be willing to return for optional visits at about 4 months and 1 year later. They will repeat the same laboratory sampling performed at the first visit. ...
The data obtained from Covid-19 infections seem to suggest that the immunogenesis of Covid-19 could in some cases be the result of immune dysregulation. On the other hand, endocrine damage is possible at the tile of Covid-19 infection (mainly thyroid,adrenal, and hypothalamus). These disorders are autoimmune or linked to degeneration. The main objective is to assess the thyroid function (thyrotropic axis) as well as the corticotropic adrenal function of patients who have had Copvid-19 pneumonia. The secondary objectives is to describe the pathophysiological mechanisms of pulmonary and vasculothrombotic involvement of Covid-19
The primary objective is to assess the ability of COVID-19 IgG and IgM assays to detect an immune response in COVID-19 patients in the Henry Ford Health System (HFHS), both during hospitalization and over the following 12 months.
Since December 2019, China and then the rest of the world have been affected by the rapid spread of a new coronavirus infection called SARS-CoV-2 (severe acute respiratory syndrome coronavirus), the clinical expression of which is called Covid-19 (Coronavirus Disease 2019). It is estimated that around 20% of symptomatic patients will be severe enough to warrant hospitalization, of which around 5% will be in intensive care. Organ damage is multiple in Covid infection: respiratory, digestive, renal, neurological, cardiovascular due to the infection or its care. There is also a psychological and social impact of the infection or of the care that should be measured. In this context, investigator will assess the physical and psychological complaints of patients who have presented a severe form of SARS-CoV-2 infection. The final objective being to identify the needs to offer follow-up adapted to this emerging pathology.
Statement : - The emerging Coronavirus 2019 (COVID-19) disease, linked to the SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) pathogen, has been spreading worldwide since December 2019, affecting millions of people and causing hundreds of thousands of deaths, particularly among the elderly. - The first epidemiological evidence available reveals a different expression of the disease in the elderly, associated with a high risk of delayed diagnosis and implementation of protective measures and a particularly high morbidity and mortality, especially among the frailest. - To date, there is no effective model for predicting the severity of COVID-19 in an individual. The investigators hypothesize that there are specificities of COVID-19 in the elderly, both etiological, diagnostic and prognostic, all of which are not yet known and understood.
Study title Spanish Registry of Pregnant Women with COVID-19 Protocol number and version Number 55/20. Version V8. Sponsors This registry is a project promoted by Dr. Oscar Martínez Pérez of the Obstetrics and Gynaecology department of the Puerta de Hierro University Hospital. Principal investigator of the registry National coordinator: Dr. Óscar Martínez Pérez. Obstetrics and Gynaecology Department. Puerta de Hierro University Hospital. Majadahonda. Epidemiologist: Maria Luisa de la Cruz Conti Researchers for each site: 100 sites from 32 Spanish provinces are included (Appendix 1) Funding Neither the hospitals nor the participating investigators will receive any financial compensation for their collaboration. A bank account has been opened at the hospital's Biomedical Research Foundation to receive donations: COV20/00021 - SARS-COV-2 and the COVID-19 disease Call financed by the Carlos III Institute of Health and co-financed with ERDF funds. Abstract Rationale: Knowledge about the impact of the SARS-CoV-2 virus on pregnancy is still scarce and all current recommendations are based on less than 100 cases published in the literature. To identify moderate effects (such as vertical transmission, obstetric morbidity, foetal death, maternal or neonatal death) and to allow accurate risk estimates, larger sample sizes than those currently available are required. Methods: Prospective observational study of pregnant women in whom SARS-CoV-2 infection is suspected at any time during pregnancy with positive test results for SARS-CoV-2, in order to create a registry of baseline characteristics of the pregnant woman, aspects related to the course of pregnancy and delivery, and related to the new-born, with an observation period of up to 14 days after delivery. Subsequently, several phased studies will be conducted to help establish and monitor the set of measures to improve the care of pregnant women. Discussion: The national registry for COVID-19 in pregnancy described here is a tool for sharing and centralizing data related to exposures to SARS-CoV-2 during pregnancy in a structured way. It should speed up the process of prospectively obtaining a large unbiased data set and will collect information at national level.