# The APS Phenotyping Study

> **NCT06521502** · — · RECRUITING · sponsor: **Vanderbilt University Medical Center** · enrollment: 4000 (estimated)

## Conditions studied

- ARDS
- Sepsis
- Pneumonia

## Interventions

- **OTHER:** Blood collection
- **OTHER:** Urine Collection
- **OTHER:** Nasal, oral, and rectal swabs
- **OTHER:** Stool collection
- **OTHER:** Heat Moisture Exchange Filter collection
- **OTHER:** Tracheal Aspirate sample collection
- **PROCEDURE:** Non-bronchoscopic bronchoalveolar lavage (NBBAL)
- **OTHER:** Surveys
- **OTHER:** Short physical performance battery
- **OTHER:** Hand grip strength
- **OTHER:** CNS Vital Signs
- **OTHER:** Muscle Ultrasound
- **OTHER:** Muscle Strength
- **OTHER:** Spirometry
- **OTHER:** Lung Diffusion Testing (DLCO)
- **RADIATION:** Chest CT Scan

## Key facts

- **NCT ID:** NCT06521502
- **Lead sponsor:** Vanderbilt University Medical Center
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2024-07-25
- **Primary completion:** 2029-04-30
- **Final completion:** 2029-04-30
- **Target enrollment:** 4000 (ESTIMATED)
- **Last updated:** 2026-02-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06521502

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06521502, "The APS Phenotyping Study". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT06521502. Licensed CC0.

---

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