# COVID-19 Ring-based Prevention Trial With Lopinavir/Ritonavir

> **NCT04321174** · PHASE3 · UNKNOWN · sponsor: **Unity Health Toronto** · enrollment: 123 (actual)

## Conditions studied

- Coronavirus Infections
- Post-exposure Prophylaxis

## Interventions

- **DRUG:** Lopinavir/ritonavir

## Key facts

- **NCT ID:** NCT04321174
- **Lead sponsor:** Unity Health Toronto
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-04-17
- **Primary completion:** 2021-08-27
- **Final completion:** 2022-03-31
- **Target enrollment:** 123 (ACTUAL)
- **Last updated:** 2021-12-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04321174

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04321174, "COVID-19 Ring-based Prevention Trial With Lopinavir/Ritonavir". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT04321174. Licensed CC0.

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