Active Not Recruiting PHASE4 INTERVENTIONAL 1-arm NCT02989935

RELVAR Effects on Parasternal Muscle Activity, Diaphragm, and Ventilation in Severe COPD

Sponsor: University of Calgary

Conditions Copd

Interventions Parasternal EMG Phrenic magnetic stimulation Ventilation

Updated 10 times since 2017 Last updated: Feb 17, 2025 Started: Apr 30, 2016 Primary completion: Mar 31, 2026 Completion: Jul 1, 2026

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 Copd and is currently ongoing. University of Calgary leads this study, which shows 10 recorded versions since 2016 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

10 versions recorded

Mar 2025 — Present [monthly]

Active Not Recruiting PHASE4
Sep 2024 — Mar 2025 [monthly]

Active Not Recruiting PHASE4
Jul 2024 — Sep 2024 [monthly]

Active Not Recruiting PHASE4
Sep 2023 — Jul 2024 [monthly]

Active Not Recruiting PHASE4

Status: Unknown Status → Active Not Recruiting
Jul 2023 — Sep 2023 [monthly]

Unknown Status PHASE4

Status: Active Not Recruiting → Unknown Status

▶ Show 5 earlier versions

Sep 2021 — Jul 2023 [monthly]

Active Not Recruiting PHASE4

Status: Recruiting → Active Not Recruiting
Jan 2021 — Sep 2021 [monthly]

Recruiting PHASE4
Jun 2019 — Jan 2021 [monthly]

Recruiting PHASE4
Jun 2018 — Jun 2019 [monthly]

Recruiting PHASE4
Jan 2017 — Jun 2018 [monthly]

Recruiting PHASE4

First recorded

Apr 2016

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

University of Calgary

Data source: University of Calgary

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

Study Locations

• Calgary, Canada