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SARS-CoV-2 InfectionPhase 1/2NCT05133609

COVID-19 VACCINE SAFETY AND EFFECTIVENESS

A Phase 1/2 study testing ChAdOx1 nCoV-19 vaccine (AZD1222) in people with SARS-CoV-2 Infection, run by Federal University of Espirito Santo at 1 site in Brazil.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

A longitudinal open-label study will include health professionals and patients with immune-mediated inflammatory diseases (IMID) who will receive the ChAdOx1 nCoV-19 vaccine (AZD1222), in a standard 3-dose schedule with an interval of 12 weeks (first-second dose) and 24 weeks (second-thrid dose), in the vaccination… Read more about this study

Who is it for?
Ages 18 years and olderHealthy volunteers can take part
Conditions the study is for
SARS-CoV-2 Infection
What is being tested?
ChAdOx1 nCoV-19 vaccine (AZD1222)
Type of treatment
Vaccines
Could I receive a placebo?
No, everyone receives an active treatment
How many people
550 participants
Where
1 siteBrazil
Study dates
15 Jan 2021to 30 Dec 2023
Phase
Phase 1/2
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Age 18 years or older

Who cannot join

  • Pregnant women;
  • History of severe adverse reaction to any previously administered vaccine;
  • Having received another vaccine in the last 30 days.
  • The criteria for vaccination in the immune-mediated inflammatory diseases (IMID) group will be in accordance with the Ministry of Health's National Immunization Program (PNI/MS).

Trial locations and contacts

1 site in 1 country.

Valéria Valim, PhD contact

+5527999874665

val.valim@gmail.com

Brazil1 site, 1 recruiting
  • Federal University of Espirito Santo

    Vitória, Espírito Santo, 29041-295

    Valéria Valim, PhD, 2733157899, val.valim@gmail.com

    José G Mill, PhD

    Recruiting

Other trials in Brazil

About this study

A longitudinal open-label study will include health professionals and patients with immune-mediated inflammatory diseases (IMID) who will receive the ChAdOx1 nCoV-19 vaccine (AZD1222), in a standard 3-dose schedule with an interval of 12 weeks (first-second dose) and 24 weeks (second-thrid dose), in the vaccination campaign against SARS-CoV-2 to assess the safety, efficacy and duration of the short- and long-term humoral and cellular immune response after vaccination for COVID-19 and compare the vaccine response between individuals who have or have not had previous SARS-Cov 2 infection.

Read the detailed description

A longitudinal open-label study that will include individuals who will receive the ChAdOx1 nCoV-19 vaccine (AZD1222), in a standard 3-dose schedule with an interval of 12 weeks (first-second dose) and 24 weeks (second-thrid dose), in the vaccination campaign against SARS-CoV-2 to assess the safety, efficacy and duration of the short- and long-term humoral and cellular immune response after vaccination for COVID- 19 and compare the vaccine response between individuals who have or have not had previous SARS-Cov 2 infection. Health professionals (HS) and patients with immune-mediated inflammatory diseases (IMID) who participate in vaccination campaigns at the Cassiano Antônio Mores da University Hospital will be included. Federal University of Espírito Santo (HUCAM-UFES). It is intended to include 200 health workers and 350 patients with IMID, totaling 550 participants. Participants who have had previous SARS-CoV-2 infection confirmed by RT-PCR or positive PRNT at baseline will be considered a group exposed to COVID-19 (CovPrev) and the group without previous infection will be considered a control group (Naive). The IMID group will include patients with Rheumatoid Arthritis (RA), Systemic Lupus Erythematosus (SLE), Spondyloarthritis (SA), Sjögren's Syndrome (SS), Psoriasis (Pso), Inflammatory Bowel Disease (IBD) and Vasculitis (VASC) who complete validated international classification criteria for each disease. The criteria for vaccination in the IMID group will be in accordance with the National Immunization Program of the Ministry of Health (PNI/MS). Adverse events will be recorded during the first, second and fourth week, and through weekly telephone contacts until D40. The evaluations and collection of biological samples will be carried out in 5 moments (D0, D14 and D28 after the first dose; D28 after the second dose; and D28 after thrid dose) to evaluate the efficacy and in 3 moments (D180, D360 and D540), to evaluate the duration of immunity. Neutralization tests by plaque reduction (PRNT) will be performed to detect neutralizing antibodies against COVID-19, determination of the profile of specific IgM, IgA and IgG, dosage of systemic soluble factors (chemokines, cytokines and growth factors), characterization of phenotypes of immunoregulation, immunosenescence, cell activation and exhaustion and antigen-specific stimulation of peripheral blood mononuclear cells in vitro. The study hypothesis is that vaccine-induced production of neutralizing antibodies is more effective in individuals with previous natural SARS-Cov2 infection and less in immunosuppressed individuals.

Being tested
ChAdOx1 nCoV-19 vaccine (AZD1222)
Keywords
vaccines, immunity, safety, rheumatic diseases, covid-19
Medical subject headings
COVID-19, Rheumatic Diseases

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • ChAdOx1 nCoV-19 vaccine (AZD1222)Biological

    ChAdOx1 nCoV-19 vaccine (AZD1222) in a standard 3-dose schedule with an interval of 12 weeks (first-second dose) and 24 weeks (second-third dose).

Study groups in NCT05133609
Study groupRoleWhat they receive
Group 1ExperimentalHealth professionals who will receive vaccine in the vaccination campaign against SARS-CoV-2.
Receives: Biological: ChAdOx1 nCoV-19 vaccine (AZD1222)
Group 2ExperimentalPatients with immune-mediated inflammatory diseases who will receive vaccine in the vaccination campaign against SARS-CoV-2.
Receives: Biological: ChAdOx1 nCoV-19 vaccine (AZD1222)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Viral Neutralization Assay

    Neutralizing antibody titers will be expressed by the ability of antibodies to neutralize up to 50% the number of plaques (PRNT50). Title > 1:50 will be considered positive.

    Measured: 7 months

  2. Viral Neutralization Assay

    Neutralizing antibody titers will be expressed by the ability of antibodies to neutralize up to 50% the number of plaques (PRNT50). Title > 1:50 will be considered positive.

    Measured: 24 months

Secondary outcomes (27)
  1. IgM (Immunoglobulin M)

    Determination of specific IgM profile. Results will be expressed in fluorescence intensity or pg/ml.

    Measured: 7 months

  2. IgM (Immunoglobulin M)

    Determination of specific IgM profile. Results will be expressed in fluorescence intensity or pg/ml.

    Measured: 24 months

  3. IgG (Immunoglobulin G)

    Determination of specific IgG profile. Results will be expressed in fluorescence intensity or pg/ml.

    Measured: 7 months

  4. IgG (Immunoglobulin G)

    Determination of specific IgG profile. Results will be expressed in fluorescence intensity or pg/ml.

    Measured: 24 months

  5. IgA (Immunoglobulin G)

    Determination of specific IgA profile. Results will be expressed in fluorescence intensity or pg/ml.

    Measured: 7 months

  6. IgA (Immunoglobulin G)

    Determination of specific IgA profile. Results will be expressed in fluorescence intensity or pg/ml.

    Measured: 24 months

  7. systemic soluble factors

    Dosage of soluble systemic factors (chemokines, cytokines and growth factors). Results will be expressed in pg/ml.

    Measured: 7 months

  8. systemic soluble factors

    Dosage of soluble systemic factors (chemokines, cytokines and growth factors). Results will be expressed in pg/ml.

    Measured: 24 months

  9. Antigen-specific stimulation of peripheral blood mononuclear cells

    Antigen-specific stimulation of peripheral blood mononuclear cells in vitro. The results will be expressed in percentage positive frequency for a specific cell phenotype.

    Measured: 1 month

  10. Antigen-specific stimulation of peripheral blood mononuclear cells

    Antigen-specific stimulation of peripheral blood mononuclear cells in vitro. The results will be expressed in percentage positive frequency for a specific cell phenotype.

    Measured: 6 months

  11. Antigen-specific stimulation of peripheral blood mononuclear cells

    Antigen-specific stimulation of peripheral blood mononuclear cells in vitro. The results will be expressed in percentage positive frequency for a specific cell phenotype.

    Measured: 12 months

  12. Antigen-specific stimulation of peripheral blood mononuclear cells

    Antigen-specific stimulation of peripheral blood mononuclear cells in vitro. The results will be expressed in percentage positive frequency for a specific cell phenotype.

    Measured: 18 months

  13. Lymphocyte investigation

    Investigation of memory T and B lymphocytes. The results will be expressed in percentage positive frequency for a specific cell phenotype.

    Measured: 1 month

  14. Lymphocyte investigation

    Investigation of memory T and B lymphocytes. The results will be expressed in percentage positive frequency for a specific cell phenotype.

    Measured: 6 months

  15. Lymphocyte investigation

    Investigation of memory T and B lymphocytes. The results will be expressed in percentage positive frequency for a specific cell phenotype.

    Measured: 12 months

  16. Lymphocyte investigation

    Investigation of memory T and B lymphocytes. The results will be expressed in percentage positive frequency for a specific cell phenotype.

    Measured: 18 months

  17. Cytokine investigation

    Investigation of intracytoplasmic cytokines. The results will be expressed in percentage positive frequency for a specific cell phenotype.

    Measured: 1 month

  18. Cytokine investigation

    Investigation of intracytoplasmic cytokines. The results will be expressed in percentage positive frequency for a specific cell phenotype.

    Measured: 6 months

  19. Cytokine investigation

    Investigation of intracytoplasmic cytokines. The results will be expressed in percentage positive frequency for a specific cell phenotype.

    Measured: 12 months

  20. Cytokine investigation

    Investigation of intracytoplasmic cytokines. The results will be expressed in percentage positive frequency for a specific cell phenotype.

    Measured: 18 months

  21. Adverse events

    All adverse events will be followed up to establish severity and causal correlation. There will be surveillance of deaths and will be reported to the ethics committee.

    Measured: 1 month

  22. Adverse events

    All adverse events will be followed up to establish severity and causal correlation. There will be surveillance of deaths and will be reported to the ethics committee.

    Measured: 4 months

  23. Adverse events

    All adverse events will be followed up to establish severity and causal correlation. There will be surveillance of deaths and will be reported to the ethics committee.

    Measured: 6 months

  24. severe cases of COVID-19

    incidence of severe cases of COVID-19 over 20 months following treatment

    Measured: 24 months

  25. deaths

    Number of deaths with specific ICD for covid-19

    Measured: 24 months

  26. hospital admissions

    number of hospital admissions for covid-19

    Measured: 24 months

  27. intensive care unit (ICU) admissions

    number of intensive care unit (ICU) admissions for the treatment of SARS

    Measured: 24 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted24 Nov 2021
  2. Study start15 Jan 2021
  3. Primary completion1 Aug 2022 (estimated)
  4. Study completion30 Dec 2023 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1/2
Primary purpose
Prevention
Allocation
Non-randomised
Intervention model
Sequential
Masking
None (open label)
Enrolment
550 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05133609
Sponsor's protocol ID
FUES03
Status last verified
Nov 2021
First submitted
1 Nov 2021
Last updated
24 Nov 2021
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A Phase 1/2 study testing ChAdOx1 nCoV-19 vaccine (AZD1222) in people with SARS-CoV-2 Infection, run by Federal University of Espirito Santo at 1 site in Brazil.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 1 inclusion and 4 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 24 Nov 2021. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Brazil. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this combined phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

Contact Valéria Valim, PhD (+5527999874665, val.valim@gmail.com), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Viral Neutralization Assay (time frame: 7 months). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 24 Nov 2021.

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