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CROWN CORONATION; COVID-19 Research Outcomes Worldwide Network for CORONAvirus prevenTION

An international, Bayesian platform adaptive, randomized, placebo-controlled trial assessing the effectiveness of candidate interventions in preventing COVID-19 disease in Adults

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
PACTR
Registry ID
PACTR202101794986980
Enrollment
150
Registered
2021-01-19
Start date
2021-01-29
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Coronaviruses Disease COVID-19

Interventions

Measles Rubella
Normal Saline
Astra Zeneca

Sponsors

Noguchi Memorial Institute for Medical Research
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Volunteers without clinical evidence of COVID-19 infection aged 18 years and older. 2. Participants who are at high risk of SARS-CoV-2 infection, defined as adults whose locations or circumstances put them at appreciable risk of exposure to SARS-CoV-2 and COVID-19. 3. Must have a mobile phone and access to the Internet for data collection purposes. 4. Participants who are willing and able to provide informed consent via an electronic consent process.

Exclusion criteria

Exclusion criteria: 1. Weight outside range 50 kg – 120 kg (110 lbs – 265 lbs). 2. Self-reported or laboratory confirmed previous or current diagnosis of SARS-CoV-2. 3. Self-reported current acute respiratory infection. 4. Concurrent and/or recent use of the investigational product, a product considered to be equivalent to the investigational product, or any other product that is likely to interfere with the investigational products in this trial or the interpretation of trial data . 5. Self-reported known allergies to any of the IMPs and excipients of the IMPs and placebo. 6. Self-reported presence or history of the conditions listed in the appendices. 7. Self-reported current use of medication with known to interact with any of the medications listed in the appendices. 8. Inability or unwillingness to be followed up for the trial period

Design outcomes

Primary

MeasureTime frame
Symptomatic COVID-19: Clinical diagnosis of COVID-19 with laboratory confirmation (i.e. based on viral PCR), and symptoms of COVID-19 (cough, shortness of breath or difficulty breathing, fever, chills, muscle pain, sore throat, new loss of taste or smell, nausea, vomiting, or diarrhea) by day 60 from commencement of trial intervention.

Secondary

MeasureTime frame
Secondary outcome of special interest is: Severity of COVID-19 over the study period 1.Primary endpoint, but instead of the 60-day time-window, over the course of the first 30 days of treatment; 2.Symptomatic COVID-19 (with subsequent virological confirmation) during the 5-month study period; 3.Incident COVID-19 during the 60-day study period, which includes asymptomatic infections identified by serology samples taken at the time-point of study exit. ;To observe whether prior exposure to the MR vaccine can boost the immune response obtained from the specific COVID-19 AstraZeneca Vaccine

Countries

Ghana

Contacts

Public ContactSusan Adu Amankwah

Co Principal investigator

sadu-amankwah@noguchi.ug.edu.gh0244734811

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Aug 9, 2026