Questa pagina è stata tradotta automaticamente e l'accuratezza della traduzione non è garantita. Si prega di fare riferimento al Versione inglese per un testo di partenza.

Routine Magnesium Testing and Supplementation in Acute Heart Failure (MAG-HF) (MAG-HF)

4 novembre 2026 aggiornato da: University of Alberta

Routine Magnesium Testing and Supplementation in Acute Heart Failure (MAG-HF): a Pragmatic Randomized Controlled Trial

This study is an investigator-initiated, pragmatic, randomized controlled feasibility trial evaluating two strategies for magnesium management in adults hospitalized with acute heart failure (AHF). Participants will be randomized to either a strategy of no routine magnesium testing or intravenous (IV) supplementation, or a strategy of routine magnesium testing with IV supplementation according to standard of care.

The primary objective is to determine the feasibility of conducting a definitive, multi-centre trial by assessing recruitment, consent, intervention adherence, and completeness of follow-up over a 30-day period. We plan to recruit 260 participants across two centres over approximately 24 months.

In addition to feasibility outcomes, clinical event rates will be evaluated to inform the design of a future definitive trial. These include all-cause death, all-cause hospital readmission, and heart failure readmission within 30 days of randomization, capturing events both during the index hospitalization and after discharge. In-hospital outcomes will include arrhythmia, symptomatic hypotension, serious adverse events, intensive care unit admission, and length of stay. Health-related quality of life will be assessed using the Kansas City Cardiomyopathy Questionnaire (KCCQ) at protocol-defined timepoints.

This trial is conducted within the HEART platform, a master protocol designed to evaluate multiple interventions in heart failure using a shared infrastructure.

Panoramica dello studio

Stato

Non ancora reclutamento

Condizioni

Intervento / Trattamento

Descrizione dettagliata

Acute heart failure (AHF) is a common cause of hospitalization and is associated with high rates of morbidity and rehospitalization. Magnesium abnormalities are frequently observed in hospitalized patients, and intravenous magnesium supplementation is commonly used in clinical practice despite limited evidence supporting routine testing and replacement strategies in this population. Variation in practice patterns exists, and the clinical impact of routine magnesium testing and supplementation in AHF remains uncertain.

The MAG-HF trial is an investigator-initiated, pragmatic, randomized controlled feasibility trial designed to evaluate the feasibility of conducting a definitive multi-centre trial comparing two strategies for magnesium management in adults hospitalized with AHF. Participants will be randomized to either a strategy of no routine magnesium testing or intravenous (IV) supplementation, or to a strategy of routine magnesium testing with IV supplementation according to standard of care. The study is conducted within the HEART platform, which provides a shared infrastructure to evaluate multiple interventions in heart failure.

The primary objective is to assess feasibility, including recruitment rates, consent rates, intervention adherence, and completeness of follow-up over 30 days. The study will enroll 260 participants across two centres over approximately 24 months.

In addition to feasibility outcomes, the trial will evaluate clinical event rates to inform the design of a future definitive study. Clinical outcomes assessed within 30 days of randomization will include all-cause death, all-cause hospital readmission, and heart failure readmission, capturing events both during the index hospitalization and after discharge. In-hospital outcomes during the index admission will include clinically significant arrhythmias, symptomatic hypotension, serious adverse events, intensive care unit admission, and length of hospital stay. Health-related quality of life will be assessed using the Kansas City Cardiomyopathy Questionnaire (KCCQ) at protocol-defined timepoints.

This feasibility trial is not powered to assess treatment effectiveness. Instead, the results will be used to inform the design, sample size, and operational considerations of a future definitive randomized controlled trial evaluating magnesium management strategies in AHF.

Tipo di studio

Interventistico

Iscrizione (Stimato)

260

Fase

  • Non applicabile

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Contatto studio

  • Nome: Justin Ezekowitz, MD
  • Numero di telefono: 780-492-0712
  • Email: jae2@ualberta.ca

Backup dei contatti dello studio

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

18 anni e precedenti (Adulto, Adulto più anziano)

Accetta volontari sani

No

Sessi ammissibili allo studio

Tutto

Descrizione

Inclusion Criteria:

  • Adults aged ≥ 18 years admitted to hospital with a clinical diagnosis of suspected or confirmed AHF and with an elevated serum natriuretic peptide level on presentation will be eligible.
  • Elevated natriuretic peptide levels are defined as a B-type natriuretic peptide (BNP) level of 400 pg/ml or higher; or a N-terminal pro-B-type natriuretic peptide (NT-proBNP) level of 1000 pg/mL or higher.

Exclusion Criteria:

  • Adults with an admission diagnosis other than AHF, presence of a pre-specified indication for magnesium supplementation on presentation (specified below), or having other medical conditions which, in the investigator's judgement, would make participation unsafe will be ineligible.
  • Torsades de pointes
  • Severe (< 3.0) or recurrent hypokalemia (< 3.5 x 2+ readings)
  • Pre-eclampsia or eclampsia
  • Severe asthma exacerbations
  • Hypomagnesemia (< 0.70 mmol/L) within seven days of randomization. (Clarification Magnesium testing is not required to confirm hypomagnesemia).
  • Concurrent enrolment will not automatically exclude a participant. Co-enrolment will be permitted only where allowed by both domain protocols and where the interventions and operational requirements are judged compatible. No washout is required after completion of a non-conflicting domain intervention.

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Altro
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione sequenziale
  • Mascheramento: Nessuno (etichetta aperta)

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: No Routine Magnesium Testing or Supplementation

Participants assigned to a strategy of no routine magnesium testing and no routine intravenous magnesium supplementation during the index hospitalization

A strategy in which no routine serum magnesium testing is performed and no routine intravenous magnesium supplementation is administered during the index hospitalization.

Sperimentale: Routine Magnesium Testing and Supplementation

Participants assigned to a strategy of routine magnesium testing with intravenous magnesium supplementation administered according to standard of care.

A strategy in which serum magnesium is measured and intravenous magnesium supplementation is administered according to standard of care during the index hospitalization.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Feasibility of trial conduct
Lasso di tempo: Up to 30 days

Feasibility will be assessed by recruitment rate, consent rate, intervention fidelity, and completeness of follow-up and outcome ascertainment at 30 days.

Up to 30 days

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Recruitment Rate
Lasso di tempo: Up to 24 months (recruitment period)

Number of participants enrolled per site per month.

Up to 24 months (recruitment period)
Consent Rate
Lasso di tempo: Up to 30 days

Proportion of eligible patients who provide consent.

Up to 30 days
Intervention Fidelity
Lasso di tempo: During index hospitalization

Adherence to assigned strategy and separation between randomized groups.

During index hospitalization
Completeness of Follow-up
Lasso di tempo: Up to 30 days

Proportion of participants with complete follow-up and outcome ascertainment.

Up to 30 days

Altre misure di risultato

Misura del risultato
Misura Descrizione
Lasso di tempo
All-Cause Mortality
Lasso di tempo: Up to 30 days

All-cause death following randomization.

Up to 30 days
All-Cause Hospital Readmission
Lasso di tempo: Up to 30 days

Hospital readmission for any cause following discharge from the index hospitalization.

Up to 30 days
Heart Failure Readmission
Lasso di tempo: Up to 30 days

Hospital readmission due to heart failure following discharge from the index hospitalization.

Up to 30 days
Clinically Significant Arrhythmia
Lasso di tempo: Up to 30 days

Incident new or worsened clinically significant supraventricular or ventricular arrhythmia during the index hospitalization.

Up to 30 days
Symptomatic Hypotension
Lasso di tempo: During index hospitalization

Occurrence of symptomatic hypotension during the index hospitalization.

During index hospitalization
Serious Adverse Events (SAEs)
Lasso di tempo: Up to 30 days

Serious adverse events occurring during the index hospitalization.

Up to 30 days
Intensive Care Unit (ICU) Admission
Lasso di tempo: Up to 30 days

Admission to the intensive care unit during the index hospitalization.

Up to 30 days
Length of Hospital Stay
Lasso di tempo: Up to 30 days

Duration of the index hospitalization in days.

Up to 30 days
Change in Kansas City Cardiomyopathy Questionnaire Total Symptom Score (KCCQ-TSS)
Lasso di tempo: Up to 30 days

Change in Kansas City Cardiomyopathy Questionnaire (KCCQ) Total Symptom Score from baseline to Day 5 comparing treatment groups. The Kansas City Cardiomyopathy Questionnaire Total Symptom Score (KCCQ-TSS) ranges from 0 to 100, where higher scores indicate fewer heart failure symptoms and better health status, and lower scores indicate more severe symptoms and worse health status.

Up to 30 days

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

Investigatori

  • Investigatore principale: Arnav Agarwal, MD, University of Alberta

Pubblicazioni e link utili

La persona responsabile dell'inserimento delle informazioni sullo studio fornisce volontariamente queste pubblicazioni. Questi possono riguardare qualsiasi cosa relativa allo studio.

Collegamenti utili

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Stimato)

1 novembre 2026

Completamento primario (Stimato)

1 novembre 2028

Completamento dello studio (Stimato)

1 maggio 2029

Date di iscrizione allo studio

Primo inviato

8 settembre 2026

Primo inviato che soddisfa i criteri di controllo qualità

24 ottobre 2026

Primo Inserito (Effettivo)

30 ottobre 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

9 novembre 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

4 novembre 2026

Ultimo verificato

1 novembre 2026

Maggiori informazioni

Termini relativi a questo studio

Altri numeri di identificazione dello studio

  • MAG-01

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .