Yale COVID-19 Recovery Study
Public ClinicalTrials.gov record NCT04895189. 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.
Official title
Yale COVID-19 Recovery Vaccine Study: Measuring Changes in Long Covid Symptoms After Vaccination
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The general purpose of the study is to determine the change in immune responses in people with Post-Acute Sequelae of SARS-CoV-2 Infection (PASC) after vaccination. PASC is a disabling, heterogeneous condition in which people have persistent or emerging symptoms months after an initial SARS-CoV-2 infection, (the virus that causes coronavirus disease 2019, or COVID-19. Specifically, the purpose is to enroll participants suffering from moderate-to-severe PASC prior to vaccination and to measure participants' immune and symptom profiles both before and after vaccination. This study is primarily descriptive.
Study identification
- NCT ID
- NCT04895189
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 16 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 2, 2021
- Primary completion
- Jun 8, 2023
- Completion
- May 8, 2025
- Last update posted
- May 28, 2025
2021 – 2025
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Yale New Haven Hospital | New Haven | Connecticut | 06510 | — |
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 NCT04895189, 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 May 28, 2025 · Synced Sep 29, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04895189 live on ClinicalTrials.gov.