# Pathogenesis of BTK-mediated Hyper-Inflammatory Responses in COVID-19 (RESPOND)

> **NCT04394884** · — · WITHDRAWN · sponsor: **National Institute of Allergy and Infectious Diseases (NIAID)**

## Conditions studied

- COVID-19

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04394884
- **Lead sponsor:** National Institute of Allergy and Infectious Diseases (NIAID)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** WITHDRAWN
- **Start date:** 2022-02-17
- **Primary completion:** 2022-02-17
- **Final completion:** 2022-02-17
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Study never started, no subjects enrolled.
- **Last updated:** 2022-02-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04394884

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04394884, "Pathogenesis of BTK-mediated Hyper-Inflammatory Responses in COVID-19 (RESPOND)". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04394884. Licensed CC0.

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