# Preoperative Optimization to Improve Functional Status

> **NCT04566172** · NA · WITHDRAWN · sponsor: **Johns Hopkins University**

## Conditions studied

- Pulmonary Atelectasis
- Pneumonia, Ventilator-Associated

## Interventions

- **BEHAVIORAL:** Inspiratory Muscle Training (IMT)

## Key facts

- **NCT ID:** NCT04566172
- **Lead sponsor:** Johns Hopkins University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2024-11-01
- **Primary completion:** 2026-10-01
- **Final completion:** 2027-03-01
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Unable to begin the study due to COVID-19 restrictions. Once restrictions were lifted, funding was no longer available.
- **Last updated:** 2024-05-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04566172

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04566172, "Preoperative Optimization to Improve Functional Status". Retrieved via AI Analytics 2026-06-15 from https://api.ai-analytics.org/clinical/NCT04566172. Licensed CC0.

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