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 | Health Care [N] - Environment and Public Health [N06] |
MedDRA Classification |
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 investigate whether receiving an invitation to take a second booster COVID-19 vaccine redcudes the risk of hospital admissions and/or death due to COVID-19, compared with not receiving an invitation, in participants 45 to 64 years of age without any COVID-19 risk factors, who have received 3 doses of a COVID-19 vaccine with last dose administered at least 4 months ago. |
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E.2.2 | Secondary objectives of the trial |
To determine the effects (intended and unintended) of offering vaccination with a COVID-19 booster dose on the use of health care services, and on SARS-CoV-2 infection rate. |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
- Aged between 45 and 64 years - Registered in the Norwegian national population register - Have received three doses of a COVID-19 vaccine, with the last dose received at least four months ago. - Have not previously been offered or recommended a 4th dose for medical reasons
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E.4 | Principal exclusion criteria |
- Persons who have already been offered a 4th COVID-19 vaccine dose. - Persons in whom COVID-19 vaccination is contraindicated as per the vaccines’ Summary of Product Characteristics (SPC). |
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E.5 End points |
E.5.1 | Primary end point(s) |
Hospitalization or death caused by COVID-19 starting on day 22 after the invitation is sent to the intervention group. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
We aim for 20 week follow up, but the length of follow-up may be adjusted depending on the the number of hospitalizations. |
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E.5.2 | Secondary end point(s) |
- Hospitalization or death from all causes - Health care utilization and use of prescription medication related to COVID-19 - Registered COVID-19 infection - Health care utilization related to potential side effects of the COVID-19 vaccine (e.g., myocarditis) - Infection, hospitalization or death in a period of 12 months starting from the date of receiving the 1st booster dose
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
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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 | No |
E.6.5 | Efficacy | No |
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 | No |
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 | |
E.7.2 | Therapeutic exploratory (Phase II) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | Yes |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
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) | No |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | Yes |
E.8.2.3.1 | Comparator description |
No invitation to receive the 2nd booster vaccination. |
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E.8.2.4 | Number of treatment arms in the trial | 1 |
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 | 150 |
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 | No |
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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End of trial is defined by the time past since the last participation received the invitation to take the 2nd booster dose (as per the definitions of the various outcomes - see above). |
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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 | |
E.8.9.1 | In the Member State concerned months | 3 |
E.8.9.1 | In the Member State concerned days | |