Observational Study With Additional Procedures: Metabolomic and Ultrastructural Findings of Allograft in Heart Transplantation and Their Correlation With Graft Dysfunction.

NCT07125703 — Active not recruiting, 14 participants, Fondazione IRCCS Policlinico San Matteo di Pavia

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RegistryNCT07125703, acronym MetabolHeart
StatusActive not recruiting
Study typeObservational
Enrollment14 (Actual)
SponsorFondazione IRCCS Policlinico San Matteo di Pavia (Other)
ConditionsHeart Transplant
Datesstart 2024-06-18, primary completion 2025-12-31 (estimated), completion 2025-12-31 (estimated), first posted 2025-08-15, last updated 2025-08-15
Locations1 site in Italy

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-Summary

This is a single center retrospective/prospective observational study with additional procedures meant to evaluate molecular mechanisms underlying injury in donor's heart.

The research project will focus on Metabolomics by NMR and LC-MS and ultrastructural analysis using electron microscopy of endomyocardial biopsies (EMB).In our clinical protocol of heart transplantation, myocardial biopsy samples are routinely provided at intraoperative and postoperative time.

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+Outcome measures

Primary outcomes

  • Biventricular failure: left ventricular failure (LV EF <40%) and right ventricular failure (TAPSE <16% and/or FAC < 35% and/or S' wave velocity < 10 cm/sec) within 24 hours post transplantation [Within 24 hours post transplantation]

Secondary outcomes

  • Left ventricular dysfunction (longitudinal global strain (LGS) < -14% at 1 month and <-17% at 6 and 12 months and/or FEvsx <50%) at 1, 6, 12 months after transplant (in absence of rejection) [At 1, 6, 12 months after transplant]
  • Left ventricular failure (LV EF <40%) within 24 hours post transplantation [Within 24 hours post transplantation]
  • Right ventricular failure (TAPSE <16% and/or FAC < 35% and/or S' wave velocity < 10 cm/sec) within 24 hours post transplantation [Within 24 hours post transplantation]
  • Hemodynamic: Cardiac Index < 2 L/min/mq, wedge pressure >20 mmHg, right atrial pressure (RAP > 15 mmHg) within 24 hours post transplantation and at 1, 6, 12 months after transplant (in absence of rejection) [At 1, 6, 12 months after transplant]
  • Death for graft failure within 24 hours post transplantation [Within 24 hours post transplantation]
  • ECMO within 24 hours of transplant for ventricular failure [Within 24 hours of transplant]
  • IABP within 24 hours of transplant for ventricular failure [Within 24 hours of transplant]
  • Echocardiographic parameters: E/A>>1; DT<150 msec; E/e'>15, atrial strain at 1, 6, 12 months after transplant (in absence of rejection) [At 1, 6, 12 months after transplant]
  • Death at 1, 6, 12 months after transplant (in absence of rejection [At 1, 6, 12 months after transplant]
  • Trend of cardiac biomarker (BNP), trend of TNIhs, angiotensinogen, ADIPOQ, HGFAC, IGFBP3, other markers of ischaemia [At first and third week]

+Eligibility

Sex: All, ages: 18 Years to 70 Years

Inclusion Criteria:

\- Informed Consent available

Exclusion Criteria:

* Uncomplete donor data collection
* Patients undergoing heart-lung bloc transplantation.

+Locations (1)

FacilityCityCountryStatus
Fondazione IRCCS Policlinico San MatteoPavia, PaviaItaly