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Low-dose Interleukin-2 After Myocardial Infarction to Investigate Effects on Tissue-resident Regulatory T Cells (Leuk-ALIVE)

20 maggio 2026 aggiornato da: Tian Zhao, Cambridge University Hospitals NHS Foundation Trust
The primary goals of this study are to compare the differences in tissue-resident Treg gene signature for activation, proliferation, and suppressive function using single-cell/-nucleus RNA sequencing in patients treated with ld-IL-2 compared to control grouped by individual tissue beds from in and around the heart. Additionally, tissue-resident Tregs will be compared to peripheral blood Tregs from the same patient to assess the differential effect of ld-IL-2 on the two compartments.

Panoramica dello studio

Descrizione dettagliata

So far, our lab has looked at Tregs and immune cells in the blood. The question remained whether ld-IL-2 can have the desired effect on Tregs in tissues, particularly the vasculature and cardiac tissues, where they could promote tissue repair and potentially improve clinical outcomes for patients after a myocardial infarction which causes significant tissue damage. Clinically, this could lead to lower rates of heart failure.

In both the LILACS and IVORY trials, the effect measured was on circulating Tregs, whilst the effect of ld-IL-2 on tissue resident immune cells remains unknown.

Therefore, the aims of the study are to understand the effect of treatment with ld-IL-2 on tissue-resident immune cells in the context of ischaemic heart disease and acute MI where there has been acute tissue damage. This includes:

  1. Assessment if ld-IL-2, given systemically to patients at our proposed doses, can alter Tregs in the vasculature and cardiac tissues to exhibit a tissue repair and anti-inflammatory phenotype
  2. Studying the relationship between the vasculature, cardiac tissues and circulating immune cells after systemic ld-IL-2 administration.

Tipo di studio

Interventistico

Iscrizione (Stimato)

24

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.

Luoghi di studio

    • Cambridgeshire
      • Cambridge, Cambridgeshire, Regno Unito, CB2 0QQ
        • Reclutamento
        • Addenbrooke's Hospital
        • Contatto:
          • Ali Al-Hadithi, MB BChir
          • Numero di telefono: 01223768678
          • Email: abaka2@cam.ac.uk
      • Cambridge, Cambridgeshire, Regno Unito, CB2 0AY
        • Reclutamento
        • Royal Papworth Hospital NHS Foundation Trust
        • Contatto:
          • Ali Al-Hadithi, MB BChir
          • Numero di telefono: 01223768678 Royal Papworth Hospital NHS Fo
          • Email: abaka2@cam.ac.uk

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

  • Adulto
  • Adulto più anziano

Accetta volontari sani

No

Descrizione

Inclusion Criteria:

  • Aged over 18 years old
  • Undergoing CABG surgery

Exclusion Criteria:

  • Critical left main stem coronary disease
  • Severe valvular disease (for example 'severe' aortic stenosis as classified on echocardiogram report)
  • Haemodynamic instability caused by arrhythmia requiring cardioversion in the current admission
  • Non-sustained ventricular tachycardia of >10 beats in the last 48 hours
  • Autoimmune disease
  • Any regular immunosuppressive treatment [Inhaled or topical steroids are permissible]
  • Known active hepatic disease or alanine aminotransferase (ALT) > 3xULN
  • Severe chronic kidney disease (defined as eGFR < 30 ml/min/1.73m2)
  • Allergy or intolerance to aldesleukin
  • Signs and symptoms of active infection
  • History of human immunodeficiency virus (HIV), hepatitis B or C
  • Current malignancy requiring active treatment
  • Vaccine within 4 weeks prior to screening
  • Women of child-bearing potential and pregnancy (women must be either postmenopausal (defined as being amenorrhoeic for greater than 2 years with an appropriate clinical profile (e.g. age appropriate (>55 years old), history of vasomotor symptoms) or having documented hysterectomy and/or bilateral oophorectomy)
  • Women who are breast-feeding
  • Clinically relevant medical or surgical conditions that, in the opinion of the investigator, would put the subject at risk by participating in the study

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: Scienza basilare
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione parallela
  • Mascheramento: Nessuno (etichetta aperta)

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Comparatore attivo: Controllo
Trattamento standard di cura
Standard care for patients with coronary artery disease undergoing CABG surgery
Sperimentale: Low dose interleukin-2 at dose 1.5MIU
Commercially available aldesleukin with a UK marketing authorisation will be used and will be initially prepared as per SmPC. Dose of 1.5MIU will be used for all daily and, if needed, weekly doses
5 sequential days of treatment (1.5MIU/day subcutaneously) and, if needed, 1.5MIU/week doses until CABG surgery completed
Altri nomi:
  • 1.5MIU
Standard care for patients with coronary artery disease undergoing CABG surgery
5 sequential days of treatment (2.0MIU/day subcutaneously) and, if needed, 2.0MIU/week doses until CABG surgery completed
Altri nomi:
  • 2.0MIU
Sperimentale: Low dose interleukin-2 at dose 2.0MIU
Commercially available aldesleukin with a UK marketing authorisation will be used and will be initially prepared as per SmPC. Dose of 2.0MIU will be used for all daily and, if needed, weekly doses
5 sequential days of treatment (1.5MIU/day subcutaneously) and, if needed, 1.5MIU/week doses until CABG surgery completed
Altri nomi:
  • 1.5MIU
Standard care for patients with coronary artery disease undergoing CABG surgery
5 sequential days of treatment (2.0MIU/day subcutaneously) and, if needed, 2.0MIU/week doses until CABG surgery completed
Altri nomi:
  • 2.0MIU

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Compare the differences in tissue-resident Treg gene signature in patients treated with ld-IL-2 compared to control
Lasso di tempo: Time of surgery
Assessing Tregs from the various tissue beds and comparing differential gene expression markers for tissue healing and inflammation using sc/snRNA-sequencing technologies
Time of surgery
Comparing tissue-resident Tregs to peripheral blood Tregs from the same patient to assess the differential effect of ld-IL-2
Lasso di tempo: Time of surgery
Comparing the tissue Tregs against blood Tregs from the same patient by comparing differential gene expression markers for tissue healing and inflammation using sc/snRNA-sequencing technologies and looking for differences between the two compartments.
Time of surgery

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Difference in inflammatory T effector cells
Lasso di tempo: Time of surgery
Comparing differential gene expression using sc/snRNA-sequencing technologies from isolated effector T cells between the 3 patient groups (control, 1.5MIU and 2.0MIU)
Time of surgery
Difference in other immune cells
Lasso di tempo: Time of surgery
Comparing differential gene expression using sc/snRNA-sequencing technologies from other immune cells (e.g. B cells) between the 3 patient groups (control, 1.5MIU and 2.0MIU)
Time of surgery
Comparing T cell receptor repertoire
Lasso di tempo: Time of surgery
Comparing differences in T cell receptor (TCR) repertoire using TCR sequencing technologies between the 3 patient groups (control, 1.5MIU and 2.0MIU)
Time of surgery
Comparing tissue-resident immune cells to circulating immune cells
Lasso di tempo: Time of surgery
Tissue-resident immune cells will be compared to peripheral/circulating immune cells from the same patient using sc/snRNA-seq technologies to compare the differential effect of ld-IL-2 on the two compartments.
Time of surgery

Altre misure di risultato

Misura del risultato
Misura Descrizione
Lasso di tempo
Systemc biomarkers of inflammation and tissue damage
Lasso di tempo: Time of surgery
Compare blood-based inflammation markers and assays between the three patient groups (control, 1.5MIU, 2.0MIU)
Time of surgery
Non-immune cells and cardiomyocytes
Lasso di tempo: Time of surgery
Compare stromal and myocardial cells on sc/snRNA-seq technologies between the three patient groups (control, 1.5MIU, 2.0MIU)
Time of surgery
Characterise tissue-level gene signatures
Lasso di tempo: Time of surgery
Tissue-level RNA expression will be evaluated on sc/snRNA-sequencing technologies
Time of surgery
Gut microbiota
Lasso di tempo: Time of surgery
Compare stool-based analysis of microbiota between the three patient groups (control, 1.5MIU, 2.0MIU)
Time of surgery
Safety and tolerability of IL-2 in patients after acute MI undergoing CABG
Lasso di tempo: Time of surgery
Safety and tolerability will be assessed by recording adverse events (AEs) and reviewing patient notes.
Time of surgery

Collaboratori e investigatori

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

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 (Effettivo)

31 marzo 2026

Completamento primario (Stimato)

1 novembre 2028

Completamento dello studio (Stimato)

1 dicembre 2028

Date di iscrizione allo studio

Primo inviato

20 maggio 2026

Primo inviato che soddisfa i criteri di controllo qualità

20 maggio 2026

Primo Inserito (Effettivo)

28 maggio 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

28 maggio 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

20 maggio 2026

Ultimo verificato

1 marzo 2026

Maggiori informazioni

Termini relativi a questo studio

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 .

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