COVID-19 Clinical Trial
— MIMSAOfficial title:
Role of the Oral Microbiome & Mucosal Immunity in COVID-19 Disease: Diagnostic/Prognostic Utility in South Asian Populations
NCT number | NCT05212766 |
Other study ID # | MIMSA |
Secondary ID | |
Status | Recruiting |
Phase | |
First received | |
Last updated | |
Start date | April 7, 2022 |
Est. completion date | December 30, 2024 |
Determining whether in the mouth there are differences between the participant groups in the nature and activity of mucosal innate immunity, in immune responses to SARS-COV2 antigens, or in the oral microbiome
Status | Recruiting |
Enrollment | 750 |
Est. completion date | December 30, 2024 |
Est. primary completion date | October 30, 2023 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - • South Asian and White British persons and those diagnosed with symptomatic or asymptomatic COVID-19 infection. - Aged 18 or over. Able to understand and consent. - Uninfected subjects: no history of COVID-19; not vaccinated; (negative for anti-SARS-CoV2 nucleoprotein antibodies at lab) - For patient groups: Confirmed COVID-19 positivity, symptoms and symptom onset within the past 21 days; Be recently hospitalised with COVID-19 disease; Have COVID-19 disease proven by PCR testing for SARS-CoV-2 within the last 21 days; COVID disease severity graded as per NIH/WHO. - Recovered groups: Have had COVID-19 disease proven by PCR testing for SARS-CoV-2. COVID disease severity graded as per WHO or NIH equivalent criteria - Those willing to participate on a single occasion but unwilling to participate with longitudinal samples will not be excluded. - Smoking, obesity, diabetes, heart disease, antibiotics or treatment related to COVID is not excluded. Exclusion Criteria: - • Those patients unwilling to participate, those unable to understand sufficiently to give informed consent and those unable to participate due to the severity of COVID-19 disease. Those patients classified as not either South Asian or White British heritage. - Patients with malignancy, pregnancy, long term immune suppression, inability to give informed consent, not willing or able to have oral examination. - Diabetes not excluded but screening for diabetes will be performed: glucose will be assessed in blood/serum sample (150ul). Exclusion criteria summary: - Critically ill participants who cannot give informed consent - Those who are not willing to have an oral examination, or donate blood or saliva samples. - Those who cannot chew / drool to provide a SWMF sample due to severe/critical medical conditions - Participants with known malignancies or who are pregnant - Participants who are on long-term immunosuppressants (e.g. for autoimmune diseases) - Participation in other current research that is designed to, or is expected to alter the immune response. - Inability to communicate, understand or read English. |
Country | Name | City | State |
---|---|---|---|
United Kingdom | Guy's and St Thomas' NHS Trust / King's College London | London |
Lead Sponsor | Collaborator |
---|---|
King's College London | Guy's and St Thomas' NHS Foundation Trust, UK Research and Innovation |
United Kingdom,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Relationship between oral mucosal immunity and microbiome on COVID outcomes in different ethnic groups | Multiple assessments | 16 weeks | |
Secondary | Impact of immunity and oral microbiome | To determine whether the presence of pre-existing oral disease is related to susceptibility to SARS-CoV2 infection, to severity of COVID-19 disease or relates to the nature of mucosal immunity and to the composition and activity of the oral microbiome | 16 weeks | |
Secondary | Impact of pre-existing oral disease | To determine whether the presence of pre-existing oral disease is related to susceptibility to SARS-CoV2 infection, to severity of COVID-19 disease or relates to the nature of mucosal immunity and to the composition and activity of the oral microbiome | 16 weeks |
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