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Treatment with allogeneic mesenchymal stromal cells for moderate to severe acute respiratory distress syndrome (START study): a randomised phase 2a safety trial

Matthay, Michael A ; Calfee, Carolyn S ; Zhuo, Hanjing ; Thompson, B Taylor ; Wilson, Jennifer G ; Levitt, Joseph E ; Rogers, Angela J ; Gotts, Jeffrey E ; Wiener-Kronish, Jeanine P ; Bajwa, Ednan K ; Donahoe, Michael P ; McVerry, Bryan J ; Ortiz, Luis A ; Exline, Matthew ; Christman, John W ; Abbott, Jason ; Delucchi, Kevin L ; Caballero, Lizette ; McMillan, Melanie ; McKenna, David H ; Liu, Kathleen D

The lancet respiratory medicine, 2019-02, Vol.7 (2), p.154-162 [Periódico revisado por pares]

England: Elsevier Ltd

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Título:
Treatment with allogeneic mesenchymal stromal cells for moderate to severe acute respiratory distress syndrome (START study): a randomised phase 2a safety trial
Autor: Matthay, Michael A ; Calfee, Carolyn S ; Zhuo, Hanjing ; Thompson, B Taylor ; Wilson, Jennifer G ; Levitt, Joseph E ; Rogers, Angela J ; Gotts, Jeffrey E ; Wiener-Kronish, Jeanine P ; Bajwa, Ednan K ; Donahoe, Michael P ; McVerry, Bryan J ; Ortiz, Luis A ; Exline, Matthew ; Christman, John W ; Abbott, Jason ; Delucchi, Kevin L ; Caballero, Lizette ; McMillan, Melanie ; McKenna, David H ; Liu, Kathleen D
Assuntos: Academic Medical Centers ; Adult ; Aged ; Disease-Free Survival ; Double-Blind Method ; Female ; Hospital Mortality ; Humans ; Male ; Mesenchymal Stem Cell Transplantation - methods ; Mesenchymal Stem Cell Transplantation - mortality ; Middle Aged ; Multivariate Analysis ; Patient Safety ; Proportional Hazards Models ; Prospective Studies ; Respiratory Distress Syndrome, Adult - diagnosis ; Respiratory Distress Syndrome, Adult - mortality ; Respiratory Distress Syndrome, Adult - therapy ; Risk Assessment ; Severity of Illness Index ; Statistics, Nonparametric ; Survival Analysis ; Treatment Outcome ; United States
É parte de: The lancet respiratory medicine, 2019-02, Vol.7 (2), p.154-162
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
ObjectType-News-3
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MAM, CSC, HZ, BTT, JGW, JEG, LAO, KLD, LC, MM, DHM, and KDL designed the study design and developed the protocol. MAM, CSC, BTT, JEL, AJR, JEG, JPW-K, EKB, MPD, BJM, ME, JWC, and KDL were responsible for study enrolment and data collection. MAM, CSC, HZ, JEG, JA, and KDL were responsible for biorepository management and biomarker analyses. MAM, CSC, HZ, JEG, KLD, and KDL analysed the data and wrote the report. All authors revised the report and read and approved the final version before submission.
Contributors
Descrição: Treatment with bone-marrow-derived mesenchymal stromal cells (MSCs) has shown benefits in preclinical models of acute respiratory distress syndrome (ARDS). Safety has not been established for administration of MSCs in critically ill patients with ARDS. We did a phase 2a trial to assess safety after administration of MSCs to patients with moderate to severe ARDS. We did a prospective, double-blind, multicentre, randomised trial to assess treatment with one intravenous dose of MSCs compared with placebo. We recruited ventilated patients with moderate to severe ARDS (ratio of partial pressure of oxygen to fractional inspired oxygen <27 kPa and positive end-expiratory pressure [PEEP] ≥8 cm H2O) in five university medical centres in the USA. Patients were randomly assigned 2:1 to receive either 10 × 106/kg predicted bodyweight MSCs or placebo, according to a computer-generated schedule with a variable block design and stratified by site. We excluded patients younger than 18 years, those with trauma or moderate to severe liver disease, and those who had received cancer treatment in the previous 2 years. The primary endpoint was safety and all analyses were done by intention to treat. We also measured biomarkers in plasma. MSC viability was tested in a post-hoc analysis. This trial is registered with ClinicalTrials.gov, number NCT02097641. From March 24, 2014, to Feb 9, 2017 we screened 1038 patients, of whom 60 were eligible for and received treatment. No patient experienced any of the predefined MSC-related haemodynamic or respiratory adverse events. One patient in the MSC group died within 24 h of MSC infusion, but death was judged to be probably unrelated. 28-day mortality did not differ between the groups (30% in the MSC group vs 15% in the placebo group, odds ratio 2·4, 95% CI 0·5–15·1). At baseline, the MSC group had numerically higher mean scores than the placebo group for Acute Physiology and Chronic Health Evaluation III (APACHE III; 104 [SD 31] vs 89 [33]), minute ventilation (11·1 [3·2] vs 9·6 [2·4] L/min), and PEEP (12·4 [3·7] vs 10·8 [2·6] cm H2O). After adjustment for APACHE III score, the hazard ratio for mortality at 28 days was 1·43 (95% CI 0·40–5·12, p=0·58). Viability of MSCs ranged from 36% to 85%. One dose of intravenous MSCs was safe in patients with moderate to severe ARDS. Larger trials are needed to assess efficacy, and the viability of MSCs must be improved. National Heart, Lung, and Blood Institute.
Editor: England: Elsevier Ltd
Idioma: Inglês

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Treatment with allogeneic mesenchymal stromal cells for moderate to severe acute respiratory distress syndrome (START study): a randomised phase 2a safety trial

England: Elsevier Ltd

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