Completed PHASE4 INTERVENTIONAL 2-arm NCT03733470

Hypoxic Pulmonary Vasoconstriction Pilot Study

Pilot Study for Perfusion Heterogeneity: a Mechanistic Image-Based Emphysema Phenotype

Sponsor: Eric A. Hoffman

Conditions Emphysema

Updated 6 times since 2018 Last updated: Sep 12, 2019 Started: Jun 29, 2011 Primary completion: Jan 13, 2014 Completion: Jan 13, 2014

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE4 trial investigates Emphysema and is currently completed. Eric A. Hoffman leads this study, which shows 6 recorded versions since 2011 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

6 versions recorded

Sep 2024 — Present [monthly]

Completed PHASE4
Jul 2024 — Sep 2024 [monthly]

Completed PHASE4
Jan 2021 — Jul 2024 [monthly]

Completed PHASE4
Nov 2019 — Jan 2021 [monthly]

Completed PHASE4
Jan 2019 — Nov 2019 [monthly]

Completed PHASE4

Status: Active Not Recruiting → Completed

▶ Show 1 earlier version

Dec 2018 — Jan 2019 [monthly]

Active Not Recruiting PHASE4

First recorded

Jun 2011

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Eric A. Hoffman
National Heart, Lung, and Blood Institute (NHLBI)
National Institutes of Health (NIH)

Data source: University of Iowa

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Iowa City, United States