About this trial
This is a trial in which 100 primary lung transplant recipients will be randomized (1:1) to receive either Tocilizumab (six doses over 20 weeks) plus standard triple maintenance immunosuppression or placebo (sterile normal saline) plus standard triple maintenance immunosuppression (Tacrolimus, Mycophenolate Mofetil, corticosteroids).
The primary objective is to test the hypothesis that treatment with triple maintenance immunosuppression plus Tocilizumab (TCZ) is superior to triple maintenance immunosuppression plus placebo (saline) as defined by a composite endpoint of a) CLAD, b) development of de novo donor specific antibodies (DSA), c) acute cellular rejection ≥A2, d) listed for re-transplantation, and e) death
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Subject and/or parent guardian must be able to understand the purpose of the study and willing to participate and sign informed consent/assent
Greater than or equal to 30 kg body weight
Listed or received for a primary lung transplant
No previous or planned desensitization therapy prior to transplant
Disqualifiers
Listed for multi-organ transplant (e.g., heart-lung, liver-lung, kidney-lung)
Prior history of allogeneic organ or cellular transplantation
Received treatment to deplete Human Leukocyte Antigens (HLA) antibodies before transplantation
Currently breast-feeding a child or plans to become pregnant during the timeframe of the study follow up period
Trial design
Parallel
Treatments tested in this trial
Tocilizumab
DrugThe initial dose of tocilizumab will be administered in the operating room before reperfusion of the first lung during the lung transplant surgery. 6 doses will be given once every four weeks over a 20-week period. The dose is approved for pediatric patients who weigh 30 kg or more
Placebo for Tocilizumab
DrugPlacebo 0.9% Sodium Chloride Injection USP (Normal Saline) Placebo will be given as a single intravenous dose, volume matched to tocilizumab. Placebo will be administered over a period of approximately 60 minutes; once every four weeks over a 20-week period. The first placebo dose will be during the transplant surgery before reperfusion of the first lung allograft, with 5 subsequent monthly doses
Treatment groups
Trial outcomes
Primary outcomes
Proportion of subjects who meet any one of the pre-specified events detailed in the outcome description: from Baseline up to 36 months
1. The development of Chronic Lung Allograft Dysfunction (CLAD) * The development of any form of CLAD will be defined according to the standard 2019 The International Society for Heart and Lung Transplantation (ISHLT) criteria. 2. The development of de novo donor specific antibodies (DSA) 3. Acute cellular rejection ≥A2 (inclusive of study mandated biopsy at 12 months post-transplant and any clinically indicated biopsy up to 1 year after randomization) 4. Listed for re-transplantation * Re-transplantation defined as the subject has been formally registered on the United Network for Organ Sharing (UNOS) waiting list to undergo a second lung transplant surgery 5. Death
Secondary outcomes
Time to the onset of each of ACR grade ≥A2, de novo DSA, CLAD, being listed for re-transplantation, or death
Cumulative incidence of Chronic Lung Allograft Dysfunction (CLAD)
Cumulative incidence listed for re-transplantation
Cumulative incidence of ACR grade ≥A2
Sponsors and contacts
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