# Estimation of Dynamics of Humoral and Cellular Immunity in COVID-19 Patients

> **NCT04649840** · — · COMPLETED · sponsor: **Institute of Biophysics and Cell Engineering of National Academy of Sciences of Belarus** · enrollment: 274 (actual)

## Conditions studied

- Covid19

## Interventions

- **DIAGNOSTIC_TEST:** Humoral and cellular immunity

## Key facts

- **NCT ID:** NCT04649840
- **Lead sponsor:** Institute of Biophysics and Cell Engineering of National Academy of Sciences of Belarus
- **Sponsor class:** OTHER_GOV
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-10-01
- **Primary completion:** 2021-12-09
- **Final completion:** 2021-12-09
- **Target enrollment:** 274 (ACTUAL)
- **Last updated:** 2021-12-10

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04649840

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04649840, "Estimation of Dynamics of Humoral and Cellular Immunity in COVID-19 Patients". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04649840. Licensed CC0.

---

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