Reduced Intensity Conditioning for Hemophagocytic Syndromes or Selected Primary Immune Deficienci… (NCT01998633) | Clinical Trial Compass
CompletedPhase 2
Reduced Intensity Conditioning for Hemophagocytic Syndromes or Selected Primary Immune Deficiencies (BMT CTN 1204)
United States, Canada47 participantsStarted 2013-12
Plain-language summary
HLH, HLH-related disorders, Chronic Granulomatous (CGD), HIGM1, Immune dysregulation, polyendocrinopathy, enteropathy, and X-linked inheritance (IPEX) and severe LAD-I represent primary immune disorders that are typically fatal without Hematopoietic Cell Transplant (HCT). However, transplant is often complicated by inflammation, infection and other co-morbidities. In addition, these disorders have been shown to be cured with partial chimerism, making them an ideal target for the use of reduced intensity approaches, where a portion of patients may not achieve full donor chimerism, but instead achieve stable mixed chimerism. Reduced-intensity conditioning strategies have demonstrated improved survival with decreased Treatment Related Mortality (TRM) in institutional series for patients with HLH (Cooper et al., 2006; Marsh et al., 2010; Marsh et al., 2011). However, graft loss and unstable chimerism remain challenges. An institutional case series from Cincinnati Children's Hospital demonstrated full or high-level chimerism and improved durable engraftment using intermediate (Day -14) timing alemtuzumab (Marsh et al., 2013b). This study aims to test the efficacy of the Intermediate RIC strategy in a prospective multi-center study including HLH as well as other primary immunodeficiencies where allogeneic transplant with RIC has been shown to be feasible and stable chimerism is curative.
Who can participate
Age range
4 Months – 45 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion criteria
. Patient is ≥ 3 months and ≤ 45 years of age at time of enrollment.
. Meets criteria for one of the following immune disorders (2A-2F) requiring HCT:
. Cardiac: Left ventricular ejection fraction (LVEF) \> 40%; or LV shortening fraction (LVSF) \> 26% by echocardiogram.
. Hepatic: Adequate liver function: serum conjugated (direct) bilirubin \< 2x upper limit of normal for age as per local laboratory (with the exceptions of isolated hyperbilirubinemia due to Gilbert's syndrome, or hyperbilirubinemia as the result of liver inflammation in the setting of persistent, active HLH); alanine aminotransferase (ALT) and aspartate aminotransferase (AST) \< 10x upper limit of normal as per local laboratory (with the exception of elevated transaminase levels as the result of liver inflammation in the setting of persistent, active HLH).
Questions worth asking your doctor
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
Questions for the trial coordinator
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
What they're measuring
1
Percentage of Participants With Overall Survival (OS)
. Pulmonary: Patient may not be on mechanical ventilation support or have progressive pulmonary infection at the time of transplant; Pulmonary Function Testing (PFT) with forced expiratory volume in one second (FEV1) \> 50% of normal and Diffusing capacity of the lung for carbon monoxide (DLCO) corrected for Hgb \> 50% of normal. Patients unable to undergo PFTs should have stable respiratory status with SaO2 \> 90% on a maximum of 2L/min supplemental oxygen.
Exclusion criteria
. Hematopoietic stem cell transplant within 6 months of enrollment.
. Uncontrolled bacterial, viral or fungal infection (currently receiving appropriate antimicrobials and experiencing progression or no clinical improvement) at time of enrollment. We recognize that patients with CAEBV may have ongoing EBV viremia at the time of initiating transplant therapy, but other patients should have no uncontrolled bacterial, viral or fungal infections at the time of enrollment (or prior to initiating the preparative regimen).
. Pregnant or breastfeeding.
. Seropositive for human immunodeficiency virus (HIV).
. Alemtuzumab within 2 weeks of enrollment.
. History of prior or current malignancy, especially malignancies with a likelihood of relapse and progression, with the exception of (1) EBV-associated lymphomas related to immune deficiency or lymphomas associated with X-linked LPD in a good remission, as they are unlikely to relapse after treatment; (2) Resected basal cell carcinoma or treated cervical carcinoma in situ. Cancer treated with curative intent will not be allowed unless approved by the Protocol Officer or one of the Protocol Chairs.