Back to Search
Start Over
Association of nonmyeloablative hematopoietic stem cell transplantation with neurological disability in patients with relapsing-remitting multiple sclerosis.
- Source :
-
JAMA [JAMA] 2015 Jan 20; Vol. 313 (3), pp. 275-84. - Publication Year :
- 2015
-
Abstract
- Importance: No current therapy for relapsing-remitting multiple sclerosis (MS) results in significant reversal of disability.<br />Objective: To determine the association of nonmyeloablative hematopoietic stem cell transplantation with neurological disability and other clinical outcomes in patients with MS.<br />Design, Setting, and Participants: Case series of patients with relapsing-remitting MS (n = 123) or secondary-progressive MS (n = 28) (mean age, 36 years; range, 18-60 years; 85 women) treated at a single US institution between 2003 and 2014 and followed up for 5 years. Final follow-up was completed in June 2014.<br />Interventions: Treatment with cyclophosphamide and alemtuzumab (22 patients) or cyclophosphamide and thymoglobulin (129 patients) followed by infusion of unmanipulated peripheral blood stem cells.<br />Main Outcomes and Measures: Primary end point was reversal or progression of disability measured by change in the Expanded Disability Status Scale (EDSS) score of 1.0 or greater (score range, 0-10). Secondary outcomes included changes in the Neurologic Rating Scale (NRS) score of 10 or greater (score range, 0-100), Multiple Sclerosis Functional Composite (MSFC) score, quality-of-life Short Form 36 questionnaire scores, and T2 lesion volume on brain magnetic resonance imaging scan.<br />Results: Outcome analysis was available for 145 patients with a median follow-up of 2 years and a mean of 2.5 years. Scores from the EDSS improved significantly from a pretransplant median of 4.0 to 3.0 (interquartile range [IQR], 1.5 to 4.0; n = 82) at 2 years and to 2.5 (IQR, 1.9 to 4.5; n = 36) at 4 years (P < .001 at each assessment). There was significant improvement in disability (decrease in EDSS score of ≥1.0) in 41 patients (50%; 95% CI, 39% to 61%) at 2 years and in 23 patients (64%; 95% CI, 46% to 79%) at 4 years. Four-year relapse-free survival was 80% and progression-free survival was 87%. The NRS scores improved significantly from a pretransplant median of 74 to 88.0 (IQR, 77.3 to 93.0; n = 78) at 2 years and to 87.5 (IQR, 75.0 to 93.8; n = 34) at 4 years (P < .001 at each assessment). The median MSFC scores were 0.38 (IQR, -0.01 to 0.64) at 2 years (P < .001) and 0.45 (0.04 to 0.60) at 4 years (P = .02). Total quality-of-life scores improved from a mean of 46 (95% CI, 43 to 49) pretransplant to 64 (95% CI, 61 to 68) at a median follow-up of 2 years posttransplant (n = 132) (P < .001). There was a decrease in T2 lesion volume from a pretransplant median of 8.57 cm3 (IQR, 2.78 to 22.08 cm3) to 5.74 cm3 (IQR, 1.88 to 14.45 cm3) (P < .001) at the last posttransplant assessment (mean follow-up, 27 months; n = 128).<br />Conclusions and Relevance: Among patients with relapsing-remitting MS, nonmyeloablative hematopoietic stem cell transplantation was associated with improvement in neurological disability and other clinical outcomes. These preliminary findings from this uncontrolled study require confirmation in randomized trials.
- Subjects :
- Adolescent
Adult
Alemtuzumab
Antibodies, Monoclonal, Humanized therapeutic use
Antilymphocyte Serum therapeutic use
Cyclophosphamide therapeutic use
Disease Progression
Female
Follow-Up Studies
Humans
Kaplan-Meier Estimate
Male
Middle Aged
Multiple Sclerosis, Relapsing-Remitting classification
Multiple Sclerosis, Relapsing-Remitting pathology
Outcome Assessment, Health Care
Transplantation Conditioning
Young Adult
Brain pathology
Disability Evaluation
Hematopoietic Stem Cell Transplantation adverse effects
Multiple Sclerosis, Relapsing-Remitting therapy
Subjects
Details
- Language :
- English
- ISSN :
- 1538-3598
- Volume :
- 313
- Issue :
- 3
- Database :
- MEDLINE
- Journal :
- JAMA
- Publication Type :
- Academic Journal
- Accession number :
- 25602998
- Full Text :
- https://doi.org/10.1001/jama.2014.17986