ClinConnect ClinConnect Logo
Search / Trial NCT04536051

A Study of a Candidate COVID-19 Vaccine (COV003)

Launched by UNIVERSITY OF OXFORD · Sep 1, 2020

Trial Information

Current as of April 25, 2025

Unknown status

Keywords

Covid 19 Ch Ad Ox1 N Cov19 Sars Cov 2 Vaccine

ClinConnect Summary

There will be 2 study groups and an anticipated enrolment of 10,300 health professionals and adults with high potential for exposure to SARS-CoV-2, aged ≥18 years.

All subjects will undergo follow-up for a total of 1 year post last vaccination. Additional visits or procedures may be performed at the discretion of the investigators, e.g., further medical history and physical examination, or additional blood tests and other investigations if clinically relevant

Gender

ALL

Eligibility criteria

  • Inclusion Criteria:
  • Adults from 18 to 55 years of age
  • Adults aged 56-69 years old (after review of safety data by DSMB in this age group in the UK trial)
  • Adults aged 70 and above years old (after review of safety data by DSMB in this age group in the UK trial)
  • Able and willing (in the Investigator's opinion) to fulfill all study requirements;
  • Health professionals and adults at high risk of exposure to SARS-CoV-2, as defined in section 5.2 of this protocol;
  • Serology with SARS-CoV-2 negative IgG antibodies; This inclusion criteria does not apply to participants enrolled from version 4.0 of the protocol onwards.
  • Willing to allow investigators to discuss the participant's clinical history with their GP/personal physician and access medical records relevant to the study procedures
  • Only for women of childbearing age willing to practice continuous effective birth control (see below) during the study, and a negative pregnancy test on the screening and vaccination day(s);
  • Consent to abstain from blood donation during the course of the study;
  • Provide informed consent in writing
  • Exclusion Criteria:
  • Participation in trials of prophylactic drugs for COVID-19 during the course of the study; Note: Participation in COVID-19 treatment trials is permitted in case of hospitalization due to COVID-19, after confirmation of positive PCR. The study team should be informed as soon as possible. Participants with COVID-19 not hospitalized with positive PCR results for COVID-19 may be medicated according to standard clinical practice.
  • Participation in SARS-CoV-2 serological research where participants are informed of their serological status during the course of the study;
  • Planned receipt of any vaccine (authorized or investigational), within 30 days before and after vaccination;
  • Prior receipt of an investigational vaccine or authorized with the possibility of impacting the interpretation of the study data (for example, vaccines vectorized by Adenovirus, any vaccines against coronavirus);
  • Administration of immunoglobulins and/or any blood products in the three months prior to the planned administration of the candidate vaccine;
  • Any confirmed or suspected immunosuppressive or immunodeficiency state; asplenia; severe recurrent infections and chronic use (more than 14 days) of immunosuppressive medication in the last 6 months, except for topical steroids or short-term oral steroids (cycle lasting ≤14 days);
  • History of allergic disease or reactions possibly exacerbated by any component of ChAdOx1 nCoV-19 or MenACWY or paracetamol;
  • Any history of angioedema;
  • Any history of anaphylaxis;
  • Pregnancy, lactation or willingness/intention to become pregnant during the study;
  • Current diagnosis or treatment for cancer (except basal cell carcinoma of the skin and cervical carcinoma in situ);
  • History of severe psychiatric illness that possibly affects your participation in the study;
  • Hemorrhagic disorder (for example, factor deficiency, coagulopathy or platelet disorder), or a previous history of significant bleeding or bruising after IM injections or venipuncture;
  • Current suspected or known dependence on alcohol or drugs;
  • Severe and/or uncontrolled cardiovascular diseases, respiratory diseases, gastrointestinal diseases, liver disease, kidney disease, endocrine disorder, and neurological disease (mild/moderate well-controlled comorbidities are allowed);
  • History of COVID-19 confirmed by laboratory;
  • Seropositive for antibodies to SARS-CoV-2 before recruitment; This exclusion criteria does not apply to participants enrolled from version 4.0 of the protocol onwards
  • Continued use of anticoagulants, such as coumarins and related anticoagulants (for example, warfarin) or new oral anticoagulants (for example, apixaban, rivaroxaban, dabigatran and edoxaban);
  • Any other significant illness, disorder or finding that may significantly increase the risk for the participant, affect his/her ability to participate in the study or impair the interpretation of the study data.
  • Re-vaccination exclusion criteria (two-dose groups only)
  • Anaphylactic reaction following administration of vaccine
  • Pregnancy

About University Of Oxford

The University of Oxford, a prestigious institution renowned for its excellence in research and education, serves as a leading clinical trial sponsor dedicated to advancing medical science and improving patient care. With a rich history of innovation and a multidisciplinary approach, the university leverages its extensive expertise in various fields, including medicine, public health, and biomedical research, to conduct rigorous clinical trials. Collaborating with healthcare professionals, industry partners, and regulatory bodies, the University of Oxford aims to translate groundbreaking research findings into effective therapies and interventions, contributing to the global effort of enhancing health outcomes.

Locations

Porto Alegre, Rio Grande Do Sul, Brazil

Salvador, Bahia, Brazil

Natal, Rio Grande Do Norte, Brazil

Santa Maria, Rio Grande Do Sul, Brazil

Rio De Janeiro, , Brazil

São Paulo, , Brazil

Patients applied

0 patients applied

Trial Officials

Andrew Pollard, Prof

Principal Investigator

University of Oxford

Timeline

First submit

Trial launched

Trial updated

Estimated completion

Not reported

Similar Trials