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The SARS-CoV-2 pandemic has resulted in an international shortage of the nasopharyngeal (NP) swabs used to collect sample for virological testing. This shortage has become a crisis as testing capacity is growing, and threatens to become the bottleneck at University of Virginia Health System and in the Commonwealth of Virginia, as it already is in other testing centers. To resolve this crisis, a team in the Clinical Microbiology Laboratories at University of Virginia Medical Center has been working closely with biomedical engineers in the University of Virginia (UVA), School of Engineering and with high volume domestic manufacturers developing injection molded polypropylene flocked nylon NP swab.
This prototype will be tested for non-inferiority relative to existing, already validated NP swabs ("control swab") for purposes of molecular microbiology: i.e. the polymerase chain reaction (PCR) tests used for virological testing for SARS-CoV-2. Specifically, the nasopharynx of patients with Covid-19 and patients under investigation (PUI) for Covid-19, the disease caused by SARS-CoV-2, will be swabbed using a prototype swab and a control swab (the standard of care swab), and test for concordance of SARS-CoV-2. In all cases the swab will be transported in validated FDA cleared viral transport medium (VTM) as per standard operating procedure at University of Virginia Medical Center.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Control swab | Active Comparator | FDA cleared swab |
|
| Prototype swab | Experimental | Injection molded polypropylene flocked nylon NP swab |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Control swab | Device | FDA-cleared nasopharyngeal swab |
| |
| Measure | Description | Time Frame |
|---|---|---|
| Number of Subjects for Which the Prototype Swab and the Control Swab Provide the Same COVID-19 PCR Result | Both the prototype and control nasopharyngeal swabs will be utilized in each subject. The rate of agreement between the swabs will be determined by the number of subjects for which both swabs provide the same COVID-19 PCR result. | at time of enrollment |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Amy Mathers, MD | University of Virginia | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Virginia | Charlottesville | Virginia | 22903 | United States |
All individual participant data (IPD) that underlie results in a publication will be shared.
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Starting 6 months after publication
Requests to made to Principal Investigator
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| ID | Title | Description |
|---|---|---|
| FG000 | All Study Participants | 40 subjects with either presumed positive COVID-19 status or presumed negative COVID-19 status were included in this study. Control and prototype nasopharyngeal swabs were collected from each subject. |
| Title | Milestones | Reasons Not Completed | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
|
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| ID | Title | Description |
|---|---|---|
| BG000 | All Study Participants | 40 subjects with either presumed positive COVID-19 status or presumed negative COVID-19 status were included in this study. Control and prototype nasopharyngeal swabs were collected from each subject. |
| Units | Counts |
|---|---|
| Participants |
|
| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Categorical | Count of Participants |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | Number of Subjects for Which the Prototype Swab and the Control Swab Provide the Same COVID-19 PCR Result | Both the prototype and control nasopharyngeal swabs will be utilized in each subject. The rate of agreement between the swabs will be determined by the number of subjects for which both swabs provide the same COVID-19 PCR result. | Posted | Number | participants | at time of enrollment |
|
1 Day
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | Control Swab | FDA cleared swab Control swab: FDA-cleared nasopharyngeal swab |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Dr. Amy Mathers | University of Virginia | 434-924-9678 | ajm5b@virginia.edu |
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot_SAP | Yes | Yes | No | Study Protocol and Statistical Analysis Plan | May 21, 2020 | Feb 9, 2022 | Prot_SAP_000.pdf |
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| ID | Term |
|---|---|
| D000086382 | COVID-19 |
| ID | Term |
|---|---|
| D011024 | Pneumonia, Viral |
| D011014 | Pneumonia |
| D012141 | Respiratory Tract Infections |
| D007239 | Infections |
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The primary objective of this study is to determine whether the newly designed nasopharyngeal swabs perform acceptably compared to standard swabs.
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| Prototype swab |
| Device |
Injection molded polypropylene flocked nylon nasopharyngeal swab |
|
| Participants |
|
| Sex: Female, Male | Count of Participants | Participants |
|
| Race and Ethnicity Not Collected | Race and Ethnicity were not collected from any participant. | Count of Participants | Participants |
|
| Region of Enrollment | Number | participants |
|
| Presumed COVID-19 Status | Count of Participants | Participants |
|
|
|
| 0 |
| 40 |
| 0 |
| 40 |
| 0 |
| 40 |
| EG001 | Prototype Swab | Injection molded polypropylene flocked nylon NP swab Prototype swab: Injection molded polypropylene flocked nylon nasopharyngeal swab | 0 | 40 | 0 | 40 | 0 | 40 |
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| D014777 |
| Virus Diseases |
| D018352 | Coronavirus Infections |
| D003333 | Coronaviridae Infections |
| D030341 | Nidovirales Infections |
| D012327 | RNA Virus Infections |
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |