# PAXT: Pulmonary Imaging of Mild Asthma Using 129Xe MRI and Tc-99-Labeled-Carbon-Imaging (Tc99CImaging)

> **NCT07143747** · — · NOT_YET_RECRUITING · sponsor: **Dr. Grace Parraga** · enrollment: 40 (estimated)

## Conditions studied

- Mild Asthma

## Interventions

- **OTHER:** Hyperpolarized 129Xe MRI
- **OTHER:** Tc-99m Technegas Ventilation Imaging

## Key facts

- **NCT ID:** NCT07143747
- **Lead sponsor:** Dr. Grace Parraga
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2025-09
- **Primary completion:** 2028-08
- **Final completion:** 2028-12
- **Target enrollment:** 40 (ESTIMATED)
- **Last updated:** 2025-08-27

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07143747

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07143747, "PAXT: Pulmonary Imaging of Mild Asthma Using 129Xe MRI and Tc-99-Labeled-Carbon-Imaging (Tc99CImaging)". Retrieved via AI Analytics 2026-06-10 from https://api.ai-analytics.org/clinical/NCT07143747. Licensed CC0.

---

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