- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT04954937
Convalescent Plasma Donor Vaccine Study An Observational Antibody Level Study. (C-VELVET)
Convalescent Plasma Donor Vaccine Study: An Observational Antibody Level Study
Studieoversigt
Status
Betingelser
Detaljeret beskrivelse
This is an observational study to determine changes in antibody levels in individuals who have previously donated COVID-19 convalescent plasma (CCP) and have now received at least one dose of a COVID-19 vaccine. At present these donors could no longer donate CCP as their virus-neutralising antibody levels do not reach the level required (Euroimmun of at least 6 IgG signal/control cutoff).
Two blood samples (9 ml total) will be collected at a local NHSBT donor centre to test the levels of the virus-neutralising antibodies in the plasma against different viral strains.
The results of this study will:
- Determine whether NHSBT will collect CCP or plasma for medicines (PFM) from vaccinated members of the public that could have boosted antibody levels following vaccine administration.
- Understand if antibody levels rebound to a concentration suitable for CCP and PFM.
- Provide the evidence to support the use of CCP for the early treatment in COVID (currently under consideration as a collaboration with European partners).
- Assist in development of recording vaccination status on NHSBT databases of donors.
Undersøgelsestype
Tilmelding (Forventet)
Kontakter og lokationer
Studiekontakt
- Navn: Lise Estcourt, MB BChir, DPhil
- Telefonnummer: 07823 351936
- E-mail: lise.estcourt@nhsbt.nhs.uk
Undersøgelse Kontakt Backup
- Navn: Ana Mora, PhD
- Telefonnummer: 00 44 7889304288
- E-mail: ana.mora@nhsbt.nhs.uk
Studiesteder
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Birmingham, Det Forenede Kongerige
- Rekruttering
- NHSBT - Birmingham Donation Centre
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Kontakt:
- Richard Brain
- E-mail: Richard.brain@nhsbt.nhs.uk
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Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
Inclusion Criteria:
- Individuals who have had a previous SARS-CoV-2 infection
- Individuals who have previously donated COVID-19 convalescent plasma (CCP)
- Received at least one dose of a SARS-CoV-2 vaccine (any type of vaccine)
Exclusion Criteria:
- Not received a SARS-CoV-2 vaccine
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
Increase in antibody levels post-vaccination assessed via Euroimmun assay
Tidsramme: at least 28 days following vaccination
|
Euroimmun assay
|
at least 28 days following vaccination
|
Increase in antibody levels post-vaccination assessed via Roche IgG assay
Tidsramme: at least 28 days following vaccination
|
Roche IgG assay
|
at least 28 days following vaccination
|
Increase in antibody levels post-vaccination assessed vial live virus neutralization
Tidsramme: at least 28 days following vaccination
|
Live virus neutralization (SARS-CoV-2 wild type (WT), alpha,beta and delta variants)
|
at least 28 days following vaccination
|
Samarbejdspartnere og efterforskere
Sponsor
Efterforskere
- Ledende efterforsker: Lise Estcourt, MB BChir, DPhil, NHS Blood and Transplant
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Primær færdiggørelse (Forventet)
Studieafslutning (Forventet)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Andre undersøgelses-id-numre
- 21AS0001
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
IPD-planbeskrivelse
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Studerer et amerikansk FDA-reguleret enhedsprodukt
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