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NCT04347655
Assessing Systemic Circulation and LV Performance in Adults
NA trial testing handgrip test in Heart Failure in 100 participants. Currently enrolling.
31 December 2025
Quick facts
| Lead sponsor | University of Calgary |
|---|---|
| Phase | NA |
| Status | Recruiting now |
| Study type | INTERVENTIONAL |
| Allocation | non randomized |
| Design | parallel |
| Masking | none |
| Primary purpose | diagnostic |
| Enrollment | 100 |
| Start date | 15 September 2021 |
| Primary completion | 31 December 2025 |
| Estimated completion | 31 December 2026 |
| Sites | 1 location across Canada |
Drugs / interventions tested
- handgrip test
Conditions studied
- Heart Failure — all drugs for Heart Failure →
Sponsor
University of Calgary
Who can join
18 and older, any sex, with Heart Failure. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
Background There are significant limitations in the current approaches to assessing 2 important areas of cardiovascular physiology - the systemic circulation and left ventricular (LV) performance. The investigators' have repurposed the concepts of "systemic vascular conductance" to assess systemic circulation, and the "head capacity principle" to assess LV performance. The investigators' now seek to test these concepts in human adults, with heart failure and without heart failure, using non-invasive methods. Hypothesis There will be a depressed head-capacity curve and reduced power among patients with heart failure which will indicate compromised left ventricular pump function. Methods The research study will involve a single outpatient visit per subject. The study will take place with the subject supine on a bed/table. The subjects will be instrumented with EKG electrodes and finger blood pressure cuffs. The continuous finger BP device performs a waveform analysis in real-time to determine the non-invasive stroke volume, cardiac output, and blood pressure. The patient will be supine for at least 5 minutes to collect baseline data before being handed a dynamometer device. The subject will then be asked to squeeze the dynamometer with maximum force for a minimum of 2 minutes while only engaging their forearm and remaining relaxed in the rest of their body. The subject will then release the dynamometer and remain supine, in recovery, for a minimum of 5 minutes. Following the handgrip test, the instrumentation will be removed and the patient's participation in the study will be complete. The study duration should be about 20 min.
Publications & conference data
No peer-reviewed publications indexed yet for this trial.
Verify or expand the search:
- PubMed search for NCT04347655
- Europe PMC full search
- ASCO Meeting Library
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Related trials
Other recruiting trials for Heart Failure
Currently open trials in the same condition.
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- NCT07527156 — Prolonged Nasogastric Administration of Ketones in Decompensated Heart Failure · Phase 4 · recruiting
- NCT07263035 — Urine Sodium-Driven Diuretic Adjustment Strategy in Acute Decompensated Heart Failure · Phase 4 · recruiting
- NCT07531966 — Vascular Complications After Kidney Transplantation · recruiting
Other University of Calgary trials
Trials by the same sponsor.
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Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT04347655 (US National Library of Medicine, public domain)
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by University of Calgary
- Last refreshed: 8 May 2024
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT04347655.
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