# Frequency of COVID-19 Antibodies in Patients With Hereditary Hematological Diseases

> **NCT04526405** · — · COMPLETED · sponsor: **University of Milano Bicocca** · enrollment: 63 (actual)

## Conditions studied

- Thalassemia Major
- Covid19

## Interventions

- **DIAGNOSTIC_TEST:** SARS-CoV-2 S1/S2 IgG

## Key facts

- **NCT ID:** NCT04526405
- **Lead sponsor:** University of Milano Bicocca
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-07-14
- **Primary completion:** 2020-11-03
- **Final completion:** 2020-11-03
- **Target enrollment:** 63 (ACTUAL)
- **Last updated:** 2020-11-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04526405

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04526405, "Frequency of COVID-19 Antibodies in Patients With Hereditary Hematological Diseases". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04526405. Licensed CC0.

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