# Surfactant Protein D Levels in Covid-19 Infection: Case-Control Study

> **NCT04618861** · — · COMPLETED · sponsor: **Kafkas University** · enrollment: 127 (actual)

## Conditions studied

- Covid19
- Pneumonia
- Surfactant Protein Deficiency

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04618861
- **Lead sponsor:** Kafkas University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-10-13
- **Primary completion:** 2020-11-02
- **Final completion:** 2020-11-02
- **Target enrollment:** 127 (ACTUAL)
- **Last updated:** 2020-11-06


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04618861

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04618861, "Surfactant Protein D Levels in Covid-19 Infection: Case-Control Study". Retrieved via AI Analytics 2026-07-10 from https://api.ai-analytics.org/clinical/NCT04618861. Licensed CC0.

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