# Procalcitonin and Lung Ultrasonography Guided Antibiotherapy in Emergency Departments

> **NCT05463406** · NA · COMPLETED · sponsor: **Dr Boillat-Blanco Noemie** · enrollment: 1407 (actual)

## Conditions studied

- Lower Respiratory Tract Infection

## Interventions

- **OTHER:** The PLUS algorithm
- **OTHER:** Usual care

## Key facts

- **NCT ID:** NCT05463406
- **Lead sponsor:** Dr Boillat-Blanco Noemie
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2022-12-05
- **Primary completion:** 2025-03-15
- **Final completion:** 2025-06-11
- **Target enrollment:** 1407 (ACTUAL)
- **Last updated:** 2026-04-24

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05463406

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05463406, "Procalcitonin and Lung Ultrasonography Guided Antibiotherapy in Emergency Departments". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT05463406. Licensed CC0.

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