Clinical Trials Logo
  1. Home
  2. Lung Transplantation
  3. NCT03474536

Quantitative Parameters of HLA-DQ Antibodies in Lung Transplantation — AFFIHLA-P  

Lung Transplantation Clinical Trial

Official title:
Clinical Impact of Concentration and Affinity of HLA-DQ Antibodies in Lung Transplantation - AFFIHLA-P

Clinical Trial Summary

The aim is to compare the quantitative parameters of de novo anti-HLA DQ Donor Specific Antibodies (DSA), determined at the time of their discovery by surface plasmon resonance (SPR), between recipients that developed a Chronic Lung Allograft Dysfunction (CLAD) for the 2 years following DSA apparition and those who did not. If concentration, kinetics and/or affinity parameters of anti-DQ DSA are associated with CLAD development, new, non-invasive prognostic biomarkers of humoral rejection in lung transplantation will be discovered .

Clinical Trial Description

After lung transplantation the production of de novo DSA directed against HLA-DQ molecules is associated with CLAD and graft loss. The most used assay for serum DSA detection is the Single Antigen Luminex® (SAG), which provides a semi-quantitative fluorescence value, the MFI, used as a surrogate of DSA "strength". But MFI is not perfectly associated with CLAD development. We developed a method using SPR allowing the concentration, kinetics (ka, kd) and affinity parameters (KD) of anti-DQ DSA to be determined. These quantitative parameters could represent biomarkers finely associated with CLAD. The way this parameters evolve (stability, increase or decrease) with time could also impact on DSA pathogenicity. We will compare the quantitative parameters of de novo anti-HLA DQ DSA, determined at the time of their discovery, between recipients that developed a CLAD for the 2 years following DSA apparition, and those who did not. The association between quantitative parameters of DSA and graft loss, their evolution and its association with CLAD and graft loss, and their correlation with SAG MFI will be also evaluated. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03474536
Study type Observational
Source University Hospital, Bordeaux
Contact Jonathan Visentin, MD, Ph.D
Phone +33557 82 08 85
Email jonathan.visentin@chu-bordeaux.fr
Status Recruiting
Phase
Start date March 14, 2018
Completion date December 13, 2023
View Details
See also
  Status Clinical Trial Phase
Completed NCT02581111 - Naloxone for Optimizing Hypoxemia Of Lung Donors Phase 2/Phase 3
Recruiting NCT02177916 - Patient Education Study to Determine Knowledge Acquisition in Patients Preparing to Undergo Lung Transplantation N/A
Not yet recruiting NCT01394835 - Safety and Efficacy of Inhaled Alpha-1 Antitrypsin in Preventing Bronchiolitis Obliterable Syndrome in Lung Transplant Recipients Phase 2
Completed NCT01204970 - Confocal Laser Micro-endoscopy in Chronic Obstructive Pulmonary Disease (COPD) and Lung Transplant Recipients N/A
Not yet recruiting NCT01162148 - Pulmonary Rehabilitation and Inspiratory Muscle Training (IMT) for Patients Following Lung Transplantation N/A
Active, not recruiting NCT00980967 - Predictive Factors for Chronic Rejection in Lung Transplant Recipients: COLT Study N/A
Completed NCT00531921 - Effects of Donor and Recipient Genetic Expression on Heart, Lung, Liver, or Kidney Transplant Survival N/A
Recruiting NCT00163696 - Multi Breath Nitrogen Washout (MBNW) as a Measure of Small Airway Function in Patients With Respiratory Disease N/A
Completed NCT00177684 - Pharmacokinetic Profiles of Inhaled Lipid Complex Amphotericin B (Abelcet ®) Phase 3
Completed NCT00163891 - Comparison of Two Chest Physiotherapy Protocols in Lung Transplant Recipients N/A
Completed NCT03668483 - Relation Between Muscle Strength With Exercise Capacity and Dyspnea in LTx N/A
Not yet recruiting NCT02855372 - Impact of the Age Difference Between the Donor and Recipient on the Morbidity and Mortality After Lung Transplantation. Study on a National Multicenter Cohort (COLT) N/A
Completed NCT01212406 - Vitamin D in Bronchiolitis Obliterans Syndrome Phase 4
Completed NCT01211509 - Montelukast in Bronchiolitis Obliterans Syndrome Phase 4
Not yet recruiting NCT00808600 - Empowerment of Lung and Heart-lung Transplant Patients N/A
Completed NCT00553397 - Live Lung Donor Retrospective Study N/A
Completed NCT00402805 - Improving the Humoral Response to Influenza Vaccine in Lung Transplant Recipients by an Intradermal Strategy Phase 4
Terminated NCT00235651 - Abelcet Radiotagging Protocol: Inhaled Lipid Complex Abelcet® in Lung Transplant Recipients Phase 3
Completed NCT00701922 - Surveillance Study of Viral Infections Following Lung Transplantation N/A
Active, not recruiting NCT02936505 - Clinical Study Evaluating Two Treatment Protocols for Immunosuppressive Drugs. Looking at 3-year Incidence of CLAD. N/A