# Placebo-Controlled Trial of Antibiotic Therapy in Adults With Suspect Lower Respiratory Tract Infection (LRTI) and a Procalcitonin Level

> **NCT03341273** · NA · TERMINATED · sponsor: **National Institute of Allergy and Infectious Diseases (NIAID)** · enrollment: 514 (actual)

## Conditions studied

- Lower Respiratory Tract Infection

## Interventions

- **DRUG:** Azithromycin
- **OTHER:** Placebo
- **DEVICE:** VIDAS B.R.A.H.M.S Procalcitonin Test (PCT)

## Key facts

- **NCT ID:** NCT03341273
- **Lead sponsor:** National Institute of Allergy and Infectious Diseases (NIAID)
- **Sponsor class:** NIH
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2017-12-08
- **Primary completion:** 2020-03-30
- **Final completion:** 2020-08-15
- **Target enrollment:** 514 (ACTUAL)
- **Why stopped:** Due to covid
- **Last updated:** 2023-06-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03341273

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03341273, "Placebo-Controlled Trial of Antibiotic Therapy in Adults With Suspect Lower Respiratory Tract Infection (LRTI) and a Procalcitonin Level". Retrieved via AI Analytics 2026-08-24 from https://api.ai-analytics.org/clinical/NCT03341273. Licensed CC0.

---

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