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Published on: May 4, 2020
Cell Therapy for Bronchopulmonary Dysplasia: Promises and Perils
Marius Alexander Möbius1, Bernard Thébaud2
1Department of Neonatology and Pediatric Critical Care Medicine, Medical Faculty, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany; DFG Research Center and Cluster of Excellence for Regenerative Therapies (CRTD), Technische Universität Dresden, Dresden, Germany; Sinclair Centre for Regenerative Medicine, Sprott Centre for Stem Cell Research, Ottawa Hospital Research Institute, University of Ottawa, Ottawa, ON, Canada.
Insights
Stem and progenitor cell therapies offer hope for protecting and regenerating immature lungs damaged by bronchopulmonary dysplasia (BPD), a common complication of premature birth. While still experimental, early clinical trials show promise for treating neonatal lung injury.
Area of Science:
- Neonatal medicine and perinatal care
- Regenerative medicine and stem cell biology
- Pulmonology and respiratory disease
Background:
- The immature lung is highly vulnerable after premature birth, with bronchopulmonary dysplasia (BPD) being the most frequent complication.
- BPD leads to impaired lung development and potential lifelong health issues, lacking effective preventative or therapeutic strategies.
- Current treatments for BPD are limited, highlighting the urgent need for novel approaches in neonatal intensive care.
Purpose of the Study:
- To review the role of stem and progenitor cells in the development and therapeutic strategies for bronchopulmonary dysplasia.
- To discuss the potential clinical applications of cell-based therapies for preventing neonatal lung injury.
- To examine challenges in manufacturing clinical-grade cell products for premature infants.
Main Methods:
- Review of current scientific literature on stem/progenitor cell biology and their application in BPD models.
- Analysis of early-phase clinical trial data regarding cell therapies for neonatal lung conditions.
- Examination of regulatory and manufacturing considerations for clinical translation of cell products.
Main Results:
- Stem and progenitor cells show potential for protecting and regenerating immature lungs in preclinical BPD models.
- Early clinical trials are underway, indicating progress towards therapeutic use of these cells in premature infants.
- Understanding the precise mechanisms of action for stem cell therapy in BPD requires further investigation.
Conclusions:
- Stem/progenitor cell therapy represents a promising avenue for treating bronchopulmonary dysplasia and neonatal lung injury.
- Further research is needed to elucidate mechanisms and optimize cell-based treatments for clinical application.
- Addressing manufacturing and regulatory hurdles is crucial for the successful implementation of these therapies in neonatal care.
Abstract:
Despite great achievements in neonatal and perinatal medicine over the past decades, the immature lung remains the most critical organ to care for after premature birth. As a consequence, bronchopulmonary dysplasia (BPD) remains the most common complication of extreme prematurity. BPD impairs normal development and may cause lifelong morbidities. At present, there is no effective treatment for BPD - including preventing premature birth. Recent insights into the biology of stem and progenitor cells have ignited the hope of protecting the immature lung, and even regenerating an already damaged lung by using exogenous stem- or progenitor cells as therapeutics. These therapies are still experimental, and knowledge on the exact mechanisms behind the beneficial effects seen in various animal models of BPD is limited. Nevertheless, early phase clinical trials have started, and encouraging steps towards the therapeutic use of these cells are being made. This review aims to (I) provide an overview of the role of stem/progenitor cells in development and therapy of BPD for the practicing clinician, (II) discuss the potential clinical applications of cell products as therapeutic agents to prevent neonatal lung injury and (III) examine potential obstacles towards the manufacturing of clinical grade cell products for use in the care for premature infants.
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