Long-Term Study of COVID-19 Infection and Long COVID

Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age18-75
SponsorUniversity of North Carolina, Chapel Hill

About this trial

This study will examine how common Long COVID is and how symptoms may persist over time in people who have previously had COVID-19. Researchers will collect information about participants' health and symptoms through questionnaires and may collect saliva and other non-invasive oral samples. The study will also examine biological factors in these samples that may be associated with persistent symptoms. The goal is to better understand why some people develop Long COVID and identify factors that may help predict who is more likely to experience persistent symptoms.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Age 18 to 75 years.

Previous laboratory-confirmed SARS-CoV-2 infection.

Willing and able to provide informed consent.

Able to complete study questionnaires and study procedures.

Disqualifiers

Current severe periodontal disease with bleeding gums.

Current oral herpes flare, aphthous ulcer, or oral candidiasis (thrush).

Oral viral or bacterial infection within the previous 30 days.

Dry mouth that would prevent adequate saliva collection.

Trial population

Adults aged 18 to 75 years with a history of SARS-CoV-2 infection will be enrolled. The study will include individuals with and without persistent symptoms following infection to characterize the prevalence, severity, and persistence of PASC and identify demographic, clinical, and biological factors associated with Long COVID. Approximately 500 participants will be enrolled at the University of North Carolina at Chapel Hill.

Trial design

Design model

Cohort

Time perspective

Prospective

Treatments tested in this trial

  • This study is observational. Only patients who have previously tested positive for SARS-CoV-2 infection or are experiencing ongoing symptoms.

    Other intervention

    Other:

Treatment groups

500 Participants
are divided into 1 treatment group
Group A: COVID-19+1 intervention

Trial outcomes

Primary outcomes

1

Salivary Proteomic Profile

Unbiased and untargeted mass spectrometric analysis of saliva proteins to obtain a specific proteomic profile

Time frame
During active infection through three months post infection
2

Salivary Metabolomic Profile

Unbiased and untargeted mass spectrometric analysis of saliva metabolites to obtain a specific metabolomic profile

Time frame
During active infection through three months post infection
3

Validated Health Questionnaires: SBQ-LC (Symptom Burden Questionnaire - Long COVID)

This instrument assesses PASC-related symptom burden following COVID-19 infection. Scoring: 0- None, 1- Mild, 2- Moderate, 3-Severe - Higher score reflects greater severity.

Time frame
During active infection through three months post infection
4

Validated Health Questionnaire: C19-YRS (COVID-19 Yorkshire Rehabilitation Scale)

This instrument assesses the long-term physical, cognitive, and psychological outcomes following COVID-19 infection. Scoring: 0-10 numerical scale; a higher score reflects greater severity.

Time frame
During active infection through three months post infection

Secondary outcomes

Other outcomes

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

University of North Carolina, Chapel Hill

Lead sponsor

National Institute of Dental and Craniofacial Research (NIDCR)

Collaborator