# The COVID-19 VaccinE Response and Co-Administration in Rheumatology Patients (COVER-CoAd)

> **NCT05543642** · PHASE4 · ACTIVE_NOT_RECRUITING · sponsor: **Oregon Health and Science University** · enrollment: 129 (actual)

## Conditions studied

- Rheumatic Diseases

## Interventions

- **BIOLOGICAL:** Hepatitis A vaccine
- **BIOLOGICAL:** Diphtheria, pertussis, and tetanus booster vaccine

## Key facts

- **NCT ID:** NCT05543642
- **Lead sponsor:** Oregon Health and Science University
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2022-10-11
- **Primary completion:** 2025-04-01
- **Final completion:** 2026-08
- **Target enrollment:** 129 (ACTUAL)
- **Last updated:** 2026-05-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05543642

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05543642, "The COVID-19 VaccinE Response and Co-Administration in Rheumatology Patients (COVER-CoAd)". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT05543642. Licensed CC0.

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