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NCT05299359
TAK-019 is a vaccine in development to protect people against Covid-19. The main aims of the study are to learn if TAK-019 can protect people from Covid-19 and to check for side effects from TAK-019 for participants who will receive TAK-019 as heterologous booster vaccination. This study consists of two parts, main part and extension part. Firstly, participants who completed 2 doses primary vaccinations 6 to 12 months prior to the trial vaccination can take part in main study. At the first visit of main part of this study, the study doctor will check if each person can take part. Participants who can take part will receive an injection of TAK-019 as booster vaccination. Participants will be asked to record their temperature and any medical problems in an electronic diary for up to 7 days after the injection. During the main part, participants will visit the clinic for regular check-ups, blood tests, and sometimes for nose swab samples. When all participants have attended a clinic visit 28 days after the injection, the study sponsor (Takeda) will check how many participants have made enough antibodies to protect them against Covid-19. Participants who received the first single booster vaccination of TAK-019 in the main part and remained in study follow-up at least 5 months will be able to decide to take part in the extension part of this study. At the first visit of extension part of this study, the study doctor will check if each person can take part. Participants who can take part will receive an injection of TAK-019 as a second booster vaccination at the first visit of extension part. The participants will stay in the main part of this study for up to 12 months after they have had their injection or up to the start of extension part. For participants who will take part in the extension part, they will stay in the extension part for up to 12 months from the start of extension part. During this time, the doctors will continue to collect blood samples to check immune response. Also, they will check if participants have any more side effects from TAK-019.
NCT04892888
This study is a survey of the Moderna COVID-19 vaccine in Japanese people at high risk of developing severe COVID-19 symptoms. The study sponsor will not be involved in how the participants are treated but will provide instructions on how the clinics will record what happens during the study. The main aim of the study is to check for side effects of the Moderna COVID-19 vaccine in this group. This will be from the first vaccination to 28 days after the second vaccination. The number of visits to the clinic will depend on the clinic's standard practice.
NCT04498247
The primary objective of this early Phase 1/2 study is to identify the V591 dose that achieves the target immune response in humans based on preclinical or early clinical data.
NCT04572360
Rehabilitation interventions can help to address the consequences of COVID-19, which include medical, physical, cognitive, and psychological related problems. The specific aims of this project are to investigate the effects of a 12-week exercise program on pulmonary fibrosis in recovering COVID-19 patients. A further aim will be to examine how Chinese herbal medicines, gut microbiome, and metabolites regulate immune function and possibly autoimmune deficiency in the rehabilitation process.
NCT04348214
A prospective investigation and screening of all HCWs working in all governmental university hospitals and the affiliated COVID-19 quarantine hospitals using an online survey and laboratory testing using rapid serological tests and PCR. To date, the Ministry of Higher Education has dedicated quarantine hospitals at the following governmental universities: Ain Shams, Cairo, Helwan, Alexandria, Mansoura, Assiut, Minia. This list may be expanded in the future. The project will be pilot tested in Ain Shams University, then extended to other universities subsequently. For risk categorization of HCWs exposed to COVID-19 virus and assessment of infection control needs, an online survey questionnaire will be administered to all HCWs in the governmental university hospitals involved in emergency and intensive care and in the provision of care for COVID-19 patients in the affiliated COVID-19 quarantine hospitals. For confirmation of infection and determination of the secondary infection rate, paired serological samples at baseline and after exposure will be collected. For measuring the validity of the available rapid serological tests, a respiratory sample will be taken for viral detection by RT-PCR. A real-time interactive map using geographical information system programming will be developed to flag hotspots for HCWs' risk and infection control needs that originated from the online survey risk categorization in governmental university and COVID-19 quarantine hospitals. Policy and decision makers will use the map to manage emergency healthcare resource mobilization based on HCWs' risk and infection control needs.
NCT04609774
There is little information on the characteristics of airborne severe acute respiratory syndrome coronavirus containing aerosols, their concentration, or their infectivity.The aim was to determine airborne severe acute respiratory syndrome coronavirus transmission, their infectivity in different areas such as patient's room and in medical staff área.
NCT04350931
Phase III Placebo-controlled adaptive multi-centre randomized controlled trial Interventional (Clinical Trial). The study will include nine hundred healthcare workers in the isolation hospitals for COVID-19 cases; they will be randomly assigned to receive either BCG vaccine or normal saline.