Romiplostim in Thoracic Transplantation
N-PLATE
Romiplostim as a Platelet-transfusion Saving Strategy After Thoracic Transplantation and Circulatory or Respiratory Assistance Devices: A Before-after Study of 172 Patients
1 other identifier
observational
30
1 country
1
Brief Summary
The investigators developed a platelet transfusion saving strategy based on thrombopoietin administration in heart or lung transplantation (HLT) patients or assist device implantation in bridge-to-transplantation (BTT) or bridge to-decision (BTD). This strategy was applied from May 2014 to October 2015 in patients whose platelet counts were below 100 Giga per liter (G/L). As part of a health care quality improvement project, the investigators evaluated this strategy in a before/after design. January 2010 to December 2013 constituted the before period.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for all trials
Started May 2014
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
May 1, 2014
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 31, 2015
CompletedStudy Completion
Last participant's last visit for all outcomes
October 31, 2015
CompletedFirst Submitted
Initial submission to the registry
March 21, 2018
CompletedFirst Posted
Study publicly available on registry
May 3, 2018
CompletedJune 24, 2026
May 1, 2018
1.5 years
March 21, 2018
June 23, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Number of platelets concentrate
Cumulative platelets concentrate from day 1 to day 28 after thoracic transplantation or assist device implantation.
Until day 28
Secondary Outcomes (10)
Number of unit of Fresh Frozen Plasma transfused until day 28.
Until day 28
Number of unit of Packed red blood cells transfused until day 28.
Until day 28
Number of unit of whole labile blood products until day 28.
Until day 28
Transfusion cost
Until 1 year
alloimmunisation (DSA or non-DSA) until 1 year
At day 15, day30, month3, month6 and one year
- +5 more secondary outcomes
Study Arms (2)
Before period
During this period no patient received Romiplostim.
After period
Application of the transfusion saving strategy protocol through Romiplostim treatment. The first subcutaneous injection of 1.5 to 2 µg/kg of romiplostim was administered in the post-operative periods. An algorithm based on patient weight and platelet count was established to determine romiplostim doses. One injection per week was performed. Romiplostim posology was adjusted between 2 and 5µg/kg every week according to platelet count with a maximum of 4 administrations in the ICU.
Interventions
Eligibility Criteria
Heart or lung transplantation (HLT) patients or assist device implantation in bridge-to-transplantation or to-decision; with platelet counts below 100G/L at least once in the post-operative period
You may qualify if:
- Patients admitted in ICU after HLT, BTT or BTD assist device implantation with platelet counts below 100G/L at least once in the post-operative period
You may not qualify if:
- age under 18 or over 65, combined heart and lung transplantation, multiple organ dysfunction syndrome (MODS), pericardial effusion, active surgical bleeding, assist device dysfunction or suspected/diagnosed heparin-induced thrombocytopenia. We also excluded patients with myelodysplastic or myeloproliferative syndrome, hematological malignancy, severe liver cirrhosis with a Child-Pugh score superior to 6, receiving antiplatelet therapy, aplasia diagnosed on bone marrow analyses, pregnancy, thrombophilia, prior pulmonary embolism or stroke in the previous 6 months. Thrombophilia was defined as factor V Leyden mutation, activated protein C resistance, protein S deficiency, protein C deficiency, prothrombin gene mutation, factor VIII excess, ATIII deficiency or antiphospholipid syndrome. For the assistance population, the protocol also excluded destination-therapy devices or patients with transplantation contraindications
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
CHU de Nantes
Nantes, 44093, France
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Karim ASEHNOUNE, MD, PhD
Nantes University Hospital
Study Design
- Study Type
- observational
- Observational Model
- CASE ONLY
- Time Perspective
- RETROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
March 21, 2018
First Posted
May 3, 2018
Study Start
May 1, 2014
Primary Completion
October 31, 2015
Study Completion
October 31, 2015
Last Updated
June 24, 2026
Record last verified: 2018-05