E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
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E.1.1.1 | Medical condition in easily understood language |
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E.1.1.2 | Therapeutic area | Diseases [C] - Virus Diseases [C02] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 23.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10051905 |
E.1.2 | Term | Coronavirus infection |
E.1.2 | System Organ Class | 10021881 - Infections and infestations |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To assess efficacy of ChAdOx1 nCoV-19 against COVID-19
To assess the safety of the candidate vaccine ChAdOx1 nCoV |
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E.2.2 | Secondary objectives of the trial |
To assess the safety, tolerability and reactogenicity profile of the candidate vaccine ChAdOx1 nCoV To assess efficacy of the candidate ChAdOx1 nCoV-19 against severe and non-severe COVID-19 To assess cellular and humoral immunogenicity of ChAdOx1 nCoV-19 Exploratory Immunology To assess immunogenicity of ChAdOx1 nCoV-19 given as homologous prime-boost To compare viral shedding on stool samples of SARS-CoV-2 PCR or other nucleic acid amplification test (NAAT) positive individuals |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
• Healthy adults aged 18-55 years. • Able and willing (in the Investigator’s opinion) to comply with all study requirements (participants must not rely on public transport or taxis). • Willing to allow the investigators to discuss the volunteer’s medical history with their General Practitioner and access all medical records when relevant to study procedures. • For females only, willingness to practice continuous effective contraception (see below) during the study and a negative pregnancy test on the day(s) of screening and vaccination. • Agreement to refrain from blood donation during the course of the study. • Provide written informed consent. |
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E.4 | Principal exclusion criteria |
• Prior receipt of any vaccines (licensed or investigational) ≤30 days before enrolment • Planned receipt of any vaccine other than the study intervention within 30 days before and after each study vaccination with the exception of the licensed seasonal influenza vaccination and the licensed pneumococcal vaccine. Participants will be encouraged to receive these vaccinations at least 7 days before or after their study vaccine. • Prior receipt of an investigational or licensed vaccine likely to impact on interpretation of the trial data (e.g. Adenovirus vectored vaccines, any coronavirus vaccines). • Administration of immunoglobulins and/or any blood products within the three months preceding the planned administration of the vaccine candidate. • Any confirmed or suspected immunosuppressive or immunodeficient state, including HIV infection; asplenia; recurrent severe infections and use of immunosuppressant medication within the past 6 months, except topical steroids or short-term oral steroids (course lasting <14 days) . • Any autoimmune conditions, except mild psoriasis, well-controlled autoimmune thyroid disease, vitiligo or stable coeliac disease not requiring immunosuppressive or immunomodulatory therapy. • History of allergic disease or reactions likely to be exacerbated by any component of the ChAdOx1 nCoV-19 or MenACWY vaccines. • Any history of angioedema . • Any history of anaphylaxis . • Pregnancy, lactation or willingness/intention to become pregnant during the study. • History of cancer (except basal cell carcinoma of the skin and cervical carcinoma in situ). • History of serious psychiatric condition likely to affect participation in the study (e.g. ongoing severe depression, history of admission to an in-patient psychiatric facility, recent suicidal ideation, history of suicide attempt, bipolar disorder, personality disorder, alcohol and drug dependency, severe eating disorder, psychosis, use of mood stabilisers or antipsychotic medication). • Bleeding disorder (e.g. factor deficiency, coagulopathy or platelet disorder), or prior history of significant bleeding or bruising following IM injections or venepuncture. • Any other serious chronic illness requiring hospital specialist supervision. • Chronic respiratory diseases, including mild asthma (resolved childhood asthma is allowed) • Chronic cardiovascular disease (including hypertension), gastrointestinal disease, liver disease (except Gilberts Syndrome), renal disease, endocrine disorder (including diabetes) and neurological illness (excluding migraine) • Seriously overweight (BMI≥40 Kg/m2) or underweight (BMI≤18 Kg/m2) • Suspected or known current alcohol abuse as defined by an alcohol intake of greater than 42 units every week. • Suspected or known injecting drug abuse in the 5 years preceding enrolment. • Any clinically significant abnormal finding on screening biochemistry, haematology blood tests or urinalysis. • Any other significant disease, disorder or finding which may significantly increase the risk to the volunteer because of participation in the study, affect the ability of the volunteer to participate in the study or impair interpretation of the study data. • History of laboratory confirmed COVID-19. • New onset of fever or a cough or shortness of breath or anosmia/ageusia since February 2020. Should a reliable test become available, this exclusion criteria will be replaced with seropositivity for SARS-CoV-2 before enrolment. • Those who have been at high risk of exposure before enrolment, including but not limited to: close contacts of confirmed COVID-19 cases, anyone who had to self-isolate as a result of a symptomatic household member, frontline healthcare professionals working in A&E, ICU and other higher risk areas. Should a reliable test become available, this exclusion criteria will be replaced with seropositivity for SARS-CoV-2 before enrolment. • Living in the same household as any vulnerable groups at risk of severe COVID-19 disease (as per PHE guidance)
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E.5 End points |
E.5.1 | Primary end point(s) |
To assess efficacy of the candidate ChAdOx1 nCoV-19 against COVID-19: a) Virologically confirmed (PCR or other NAAT positive result) symptomatic cases of COVID-19
To assess the safety of the candidate vaccine ChAdOx1 nCoV: a)Occurrence of serious adverse events (SAEs) throughout the study duration |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
Throughout the study duration |
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E.5.2 | Secondary end point(s) |
1)To assess the safety, tolerability and reactogenicity profile of the candidate vaccine ChAdOx1 nCoV a) occurrence of solicited local reactogenicity signs and symptoms for 7 days following vaccination; b) occurrence of solicited systemic reactogenicity signs and symptoms for 7 days following vaccination; c) occurrence of unsolicited adverse events (AEs) for 28 days following vaccination; d) change from baseline for safety laboratory measures and; e) Occurrence of disease enhancement episodes
2)To assess efficacy of the candidate ChAdOx1 nCoV-19 against severe and non-severe COVID-19 a) Hospital admissions associated with COVID-19 b) Intensive care unit (ICU) admissions associated with COVID-19 c) Deaths associated with COVID-19 d) Seroconversion against non-Spike SARS-CoV-2 antigens
3)To assess cellular and humoral immunogenicity of ChAdOx1 nCoV-19 a) Interferon-gamma (IFN-γ) enzyme-linked immunospot (ELISpot) responses to SARS-CoV-2 spike protein; b) Enzyme-linked immunosorbent assay (ELISA) to quantify antibodies against SARS-CoV-2 spike protein (seroconversion rates); c) virus neutralising antibody (NAb) assays against live and/or pseudotype SARS-CoV-2 virus
4) To assess immunogenicity of ChAdOx1 nCoV-19 given as homologous prime-boost 5) To compare viral shedding on stool samples of SARS-CoV-2 PCR or other NAAT positive individuals |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
1) Safety Secondary endpoints: a) 7 days; b) 7 days; c) 28 days; d) At D0 (baseline), D2, D7 and D28 (Groups 1 and 3) / At D0 (baseline) and D28 (Group 2)
2) Efficacy Secondary endpoints: throughout the study
3) Immunology secondary endpoints: immunology assays will be conducted at multiple timepoints throughout the study. In summary at D0, D7, D14, D28, D56m D182 and D364 (Group 1); at D0, D28, D182 and D364 (Group 2); and D0, D7, D14, D28, D35, D42, D56, D182, D364 (Group 3) 4) Viral shedding on stool samples: 7 days post confirmed PCR or other NAAT positive result for SARS-CoV-2
4) D0, D14 and D28 post each vaccination (prime and boost)
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | Yes |
E.6.3 | Therapy | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | Yes |
E.6.13.1 | Other scope of the trial description |
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E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description |
Phase I/II efficacy, safety and immunogenicity |
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E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | Yes |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | Yes |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 4 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 8 |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | Yes |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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The end of study is defined as completion of the last laboratory assay on the last participant sample. |
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 1 |
E.8.9.1 | In the Member State concerned months | 8 |
E.8.9.1 | In the Member State concerned days | 9 |
E.8.9.2 | In all countries concerned by the trial years | 1 |
E.8.9.2 | In all countries concerned by the trial months | 8 |
E.8.9.2 | In all countries concerned by the trial days | 9 |