# The Effect of Helminth Infection Plus COVID-19 Infection on the Immune Response and Intestinal Microorganisms

> **NCT04813328** · — · ACTIVE_NOT_RECRUITING · sponsor: **National Institute of Allergy and Infectious Diseases (NIAID)** · enrollment: 1500 (estimated)

## Conditions studied

- COVID-19

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04813328
- **Lead sponsor:** National Institute of Allergy and Infectious Diseases (NIAID)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2021-06-01
- **Primary completion:** 2026-04
- **Final completion:** 2026-04
- **Target enrollment:** 1500 (ESTIMATED)
- **Last updated:** 2025-12-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04813328

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04813328, "The Effect of Helminth Infection Plus COVID-19 Infection on the Immune Response and Intestinal Microorganisms". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04813328. Licensed CC0.

---

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