# Natural History of Coronavirus Disease (COVID-19) in Systemic Autoimmune Diseases

> **NCT04690816** · — · COMPLETED · sponsor: **National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)** · enrollment: 293 (actual)

## Conditions studied

- Systemic Autoimmune Diseases

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04690816
- **Lead sponsor:** National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2021-02-11
- **Primary completion:** 2024-12-18
- **Final completion:** 2024-12-18
- **Target enrollment:** 293 (ACTUAL)
- **Last updated:** 2026-03-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04690816

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04690816, "Natural History of Coronavirus Disease (COVID-19) in Systemic Autoimmune Diseases". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04690816. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*