Repeat Testing for SARS-CoV-2

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

464 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-09-29

Study Completion Date

2021-03-31

Brief Summary

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The purpose of this research study is to determine if high-frequency, rapid turn-around SARS-CoV-2 surveillance testing with this assay is feasible and able to be optimized to enable isolation and follow-up diagnostic testing. This test will be performed at various locations in the Madison, Wisconsin area using a mobile laboratory or standard lab space for processing. Saliva samples can be collected and processed at these locations or participants can self-collect at home and drop their samples off at designated locations for same day processing. Up to 10000 participants will be recruited for this study.

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Detailed Description

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Virtually all COVID-19 RNA assays require centralized laboratories. Samples collected in locations including public testing sites, workplaces, nursing homes, and residential housing are transported to centralized laboratories for testing, leading to lengthy delays in results reporting. The window of maximal contagiousness is thought to be only a few days, so these delays create the risk of excess transmission. Current testing methods are painful, which encourages testing hesitancy. Rapid, onsite detection of SARS-CoV- 2 RNA from non-invasive saliva could overcome these issues and provide a pathway to high throughput detection of people at the greatest risk of SARS-CoV-2 transmission but the logistics of such a testing program require real-world prototyping.

The purpose of this research study is to determine if high-frequency, rapid turn-around SARS-CoV-2 surveillance testing with this assay is feasible and able to be optimized to enable isolation and follow-up diagnostic testing. The investigators are also looking to see if it can be simplified so minimally trained staff can perform it successfully. The test is designed to identify people who are most contagious and likely to spread the virus to others. This test will be performed at various locations in the Madison area using a mobile laboratory or standard lab space for processing. Saliva samples can be collected and processed at these locations or participants can self-collect at home and drop their samples off at designated locations for same day processing. Results of potential findings of clinical significance will be communicated to the participants by a physician with appropriate expertise on the study team. Individuals with a potential finding of clinical significance will be encouraged to self-isolate and obtain a diagnostic test at their earliest convenience. No results will be given if the test is negative. If the participant consents, advanced molecular testing such as polymerase chain reaction (PCR) viral load tests, viral sequencing or other optimizing experiments can be done. Results of the viral sequencing can be shared via online databases, presentations and publications along with the date, site and county of collection to help facilitate tracking the spread of the virus. Study data will be shared via open research portals and online dashboards.

Participants with a potential finding of clinical significance will be contacted by phone approximately 1 week after the finding and asked the following questions. There will be 2 attempts at obtaining answers.

Question 1: Did you self-isolate after receiving the clinician's notification? Question 2: Did you receive a follow-up diagnostic test?

To assess whether or not the assay can be simplified so that minimally trained personnel can perform it, the investigators will perform proficiency tests with inactivated virus with newly trained staff which will help us optimize and refine the protocol. Successfully training staff achieve "proficiency" by correctly differentiating blinded positive and negative samples. This is how the investigators will assess the simplicity of the assay. For example, if a round of proficiency testing results in only 2/6 trainees achieving proficiency on their first try, that would suggest that the assay still has reducible complexity.

Tolerability of frequent testing could be done by keeping track of the interval between sample donations. Does the participant give a sample on a regular basis? Did they register but not donate a sample until weeks later? The study team will actively look for improved ways to assess this objective as we gather more data at these testing sites.

Relevant feasibility study is documented separately in NCT04460690.

Conditions

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COVID-19 Sars-CoV-2

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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Repeat Testing for SARS-CoV-2

Anyone over the age of 5yrs old with consent to provide a saliva sample for SARS-CoV-2 assay will be eligible to participate. Assay takes 20 minutes.

Group Type EXPERIMENTAL

Saliva Assay

Intervention Type DEVICE

saliva assay test for high concentrations of SARS-CoV-2

Interventions

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Saliva Assay

saliva assay test for high concentrations of SARS-CoV-2

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Willing to provide informed consent.
* Willing to provide informed consent and spit into a vessel (i.e cup or tube).
* Individuals at least 18 years old or between 5-17 years old and have a parent or legal guardian present to consent.
* Adult subjects must have decision-making capacity to provide consent on their own behalf.
* Participants must be able to speak English

Exclusion Criteria

* Participants must not have visual or hearing impairments, or low literacy, that would prevent them from reading the consent form and interacting with a member of the research team to ask questions and receive responses during the consent process.
* Under 18 years of age with no parent or legal guardian present or under the age of 5 yrs
* Cannot speak English

Minimum Eligible Age

5 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes