# Efficacy and Safety of Oral Lactobacillus Plantarum GUANKE (CGMCC NO.21720) in Enhancement of Antibody Level After SARS-CoV-2 Vaccination (Trial 1)

> **NCT05194033** · NA · COMPLETED · sponsor: **Peking University** · enrollment: 31 (actual)

## Conditions studied

- SARS-CoV-2

## Interventions

- **DIETARY_SUPPLEMENT:** Probiotics daily
- **DIETARY_SUPPLEMENT:** Placebo daily

## Key facts

- **NCT ID:** NCT05194033
- **Lead sponsor:** Peking University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2022-03-09
- **Primary completion:** 2022-05-19
- **Final completion:** 2022-05-19
- **Target enrollment:** 31 (ACTUAL)
- **Last updated:** 2022-07-07

## Collaborators

- [object Object]
- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05194033

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05194033, "Efficacy and Safety of Oral Lactobacillus Plantarum GUANKE (CGMCC NO.21720) in Enhancement of Antibody Level After SARS-CoV-2 Vaccination (Trial 1)". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT05194033. Licensed CC0.

---

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