Trial Outcomes & Findings for Heart EXPAND Continued Access Protocol (NCT NCT03835754)

NCT ID: NCT03835754

Last Updated: 2025-01-17

Results Overview

A composite of patient survival at Day 30 and absence of severe primary heart graft dysfunction (PGD) (LV or RV) in the first 24 hours post-transplantation according to ISHLT consensus manuscript in the protocol.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

75 participants

Primary outcome timeframe

30 days

Results posted on

2025-01-17

Participant Flow

Participant milestones

Participant milestones
Measure
OCS Preservation
OCS Heart System: The OCS Heart System preserves the heart in a near-physiological, beating state by perfusing the heart with a warmed, donor-blood based perfusate that is supplemented with nutrients and oxygen in a controlled and protected environment
Overall Study
STARTED
75
Overall Study
COMPLETED
71
Overall Study
NOT COMPLETED
4

Reasons for withdrawal

Reasons for withdrawal
Measure
OCS Preservation
OCS Heart System: The OCS Heart System preserves the heart in a near-physiological, beating state by perfusing the heart with a warmed, donor-blood based perfusate that is supplemented with nutrients and oxygen in a controlled and protected environment
Overall Study
Death
4

Baseline Characteristics

Heart EXPAND Continued Access Protocol

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
OCS Preservation
n=75 Participants
OCS Heart System: The OCS Heart System preserves the heart in a near-physiological, beating state by perfusing the heart with a warmed, donor-blood based perfusate that is supplemented with nutrients and oxygen in a controlled and protected environment
Age, Continuous
54.0 Years
STANDARD_DEVIATION 13.3 • n=99 Participants
Sex: Female, Male
Female
17 Participants
n=99 Participants
Sex: Female, Male
Male
58 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
2 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
67 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
6 Participants
n=99 Participants

PRIMARY outcome

Timeframe: 30 days

A composite of patient survival at Day 30 and absence of severe primary heart graft dysfunction (PGD) (LV or RV) in the first 24 hours post-transplantation according to ISHLT consensus manuscript in the protocol.

Outcome measures

Outcome measures
Measure
OCS Preservation
n=75 Participants
OCS Heart System: The OCS Heart System preserves the heart in a near-physiological, beating state by perfusing the heart with a warmed, donor-blood based perfusate that is supplemented with nutrients and oxygen in a controlled and protected environment
Patient Survival at Day 30 Post-transplantation and Absence of Severe PGD (Left or Right Ventricle) in the First 24 Hours Post-transplantation
72 Participants

Adverse Events

OCS Preservation

Serious events: 44 serious events
Other events: 0 other events
Deaths: 71 deaths

Serious adverse events

Serious adverse events
Measure
OCS Preservation
n=75 participants at risk
OCS Heart System: The OCS Heart System preserves the heart in a near-physiological, beating state by perfusing the heart with a warmed, donor-blood based perfusate that is supplemented with nutrients and oxygen in a controlled and protected environment
Blood and lymphatic system disorders
Anemia
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Cardiac disorders
Atrial fibrillation
5.3%
4/75 • Number of events 4 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Cardiac disorders
Cardiac arrest
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Cardiac disorders
Cardiac tamponade
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Cardiac disorders
Atrioventricular block complete
2.7%
2/75 • Number of events 2 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Cardiac disorders
Left ventricular dysfunction
6.7%
5/75 • Number of events 5 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Cardiac disorders
Pericardial effusion
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Cardiac disorders
Right ventricular dysfunction
6.7%
5/75 • Number of events 5 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Cardiac disorders
Sinus bradycardia
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Cardiac disorders
Ventricular dysfunction
8.0%
6/75 • Number of events 6 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Gastrointestinal disorders
Gastrointestinal haemorrhage
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Gastrointestinal disorders
Diarrhea
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
General disorders
Multi-organ failure
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Immune system disorders
Acute cellular rejection
4.0%
3/75 • Number of events 3 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Immune system disorders
Acute graft rejection
4.0%
3/75 • Number of events 3 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Infections and infestations
Bacteremia
2.7%
2/75 • Number of events 2 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Infections and infestations
Escherichia coli infection
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Infections and infestations
Pneumonia
2.7%
2/75 • Number of events 2 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Injury, poisoning and procedural complications
Drug toxicity
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Injury, poisoning and procedural complications
Mental status changes postoperative
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Injury, poisoning and procedural complications
Injury to inferior vena cava
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Metabolism and nutrition disorders
Dehydration
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Metabolism and nutrition disorders
Volume overload
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Nervous system disorders
Embolic stroke
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Nervous system disorders
Hemorrhagic stroke
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Nervous system disorders
Metabolic encephalopathy
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Nervous system disorders
Nerve pain
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Nervous system disorders
Stroke
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Psychiatric disorders
Delirium
2.7%
2/75 • Number of events 2 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Psychiatric disorders
Psychosis
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Renal and urinary disorders
Acute kidney injury
13.3%
10/75 • Number of events 10 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Renal and urinary disorders
Acute tubular necrosis
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Renal and urinary disorders
Kidney dysfunction
2.7%
2/75 • Number of events 2 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Respiratory, thoracic and mediastinal disorders
Bronchial mucus plug
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Respiratory, thoracic and mediastinal disorders
Hypoxemia
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Respiratory, thoracic and mediastinal disorders
Hypoxia
2.7%
2/75 • Number of events 2 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Respiratory, thoracic and mediastinal disorders
Pleural effusion
5.3%
4/75 • Number of events 4 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Respiratory, thoracic and mediastinal disorders
Pneumothorax
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Respiratory, thoracic and mediastinal disorders
Pulmonary edema
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Respiratory, thoracic and mediastinal disorders
Pulmonary embolism
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Respiratory, thoracic and mediastinal disorders
Respiratory failure
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Vascular disorders
Aortic dissection
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Vascular disorders
Bleeding
10.7%
8/75 • Number of events 8 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Vascular disorders
Hematoma
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Vascular disorders
Hypotension
1.3%
1/75 • Number of events 1 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.
Vascular disorders
Orthostatic hypotension
2.7%
2/75 • Number of events 2 • Per the protocol, all SAEs and heart graft related SAEs will be collected for the first 30 days post-transplant. All-Cause Mortality was assessed for 12 months post-transplant as reported.
Per the protocol, only serious adverse events (SAEs) and Heart Graft-Related SAE's (HGRSAEs) will be captured in this study. Not Serious AEs were not collected, and therefore not reported.

Other adverse events

Adverse event data not reported

Additional Information

Laura Damme

TransMedics, Inc.

Phone: 9785520900

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place

Restriction type: OTHER