MURDOCK Cabarrus County COVID-19 Prevalence and Immunity (C3PI) Study
Public ClinicalTrials.gov record NCT04424004. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The objectives of this research is to: * Assess perceptions, concerns, and practices related to the COVID-19 pandemic and mitigation strategies using the MURDOCK Study Community Registry and Biorepository population as a measure of these features in Cabarrus County through a biweekly electronic survey. * Estimate the prevalence and change in prevalence of COVID-19 infection based on responses to questionnaire items on symptoms and practices using a biweekly electronic survey. * Among respondents to the baseline questionnaire, conduct at home mid-turbinate nasal swab collection for viral PCR testing for active COVID-19 infection as an estimate of the prevalence of active infection in Cabarrus County. * Among respondents to the baseline questionnaire, conduct serologic testing for IgG antibodies to SARS-CoV-2 as an estimate of the prevalence of exposure and potential immunity to COVID-19.
Study identification
- NCT ID
- NCT04424004
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 300 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jun 8, 2020
- Primary completion
- Dec 1, 2021
- Completion
- Dec 1, 2021
- Last update posted
- Feb 3, 2022
2020 – 2021
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Duke CTSI Translational Population Health Office | Kannapolis | North Carolina | 28081 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04424004, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Feb 3, 2022 · Synced Sep 3, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04424004 live on ClinicalTrials.gov.