MESOBLAST LIMITED The manuscript titled ‘Effect of mesenchymal stromal cell infusions on lung function in COPD patients with high CRP levels’ is based on a post-hoc analysis from a randomized, placebo-controlled 60-patient Phase 2 trial in patients with COPD where outcomes were compared over 12 months between patients who received either remestemcel-L, given in four monthly intravenous doses of 100 million cells, or saline injections. That paper can be accessed at https://doi.org/10.1186/s12931-021-01734-8
Key findings from the analysis were:
- The greater the degree of inflammation, as measured by elevated CRP levels, the greater the signal of efficacy of remestemcel-L treatment in improving moderate to severe lung disease
- Significant improvements were observed in each of the pre-specified endpoints of forced expiratory volume, and forced vital capacity, with maximal effects seen at four months (both p <0.01)
- Significant increases were seen in six-minute walk test which is a major independent predictor of mortality in COPD2
- In patients with the highest level of CRP (>4mg/L), those who received remestemcel-L were able to walk 55 meters further than placebo-treated patients in the six-minute walk test at four months (p=0.004)
“The relationship between high CRP levels and the degree of improvement in respiratory function following administration of remestemcel-L is consistent with inflammation in the lung being a trigger for the immunomodulatory effects of remestemcel-L,” said Dr.
About Remestemcel-L
Remestemcel-L is an investigational therapy comprising culture-expanded mesenchymal stromal cells derived from the bone marrow of an unrelated donor. Remestemcel-L is thought to have immunomodulatory properties to counteract the cytokine storms that are implicated in various inflammatory conditions by downregulating the production of pro-inflammatory cytokines, increasing production of anti-inflammatory cytokines, and enabling recruitment of naturally occurring anti-inflammatory cells to involved tissues.
About Mesoblast
Mesoblast is a world leader in developing allogeneic (off-the-shelf) cellular medicines for the treatment of severe and life-threatening inflammatory conditions. The Company has leveraged its proprietary mesenchymal lineage cell therapy technology platform to establish a broad portfolio of late-stage product candidates which respond to severe inflammation by releasing anti-inflammatory factors that counter and modulate multiple effector arms of the immune system, resulting in significant reduction of the damaging inflammatory process.
Mesoblast has a strong and extensive global intellectual property portfolio with protection extending through to at least 2040 in all major markets. The Company’s proprietary manufacturing processes yield industrial-scale, cryopreserved, off-the-shelf, cellular medicines. These cell therapies, with defined pharmaceutical release criteria, are planned to be readily available to patients worldwide.
Mesoblast has completed Phase 3 trials of rexlemestrocel-L for advanced chronic heart failure and chronic low back pain. Remestemcel-L is being developed for inflammatory diseases in children and adults including steroid refractory acute graft versus host disease and moderate to severe acute respiratory distress syndrome. Two products have been commercialized in
Mesoblast has locations in
Footnotes
- Dahl,M, et al. C-reactive Protein As a Predictor of Prognosis in Chronic Obstructive Pulmonary Disease. Am J Respir Crit Care Med. Vol 175. pp 250–255, 2007.
- Polkey MI, et al. Evaluation of COPD Longitudinally to Identify Predictive Surrogate Endpoints (ECLIPSE) Study Investigators. Six-minute-walk test in chronic obstructive pulmonary disease: minimal clinically important difference for death or hospitalization. Am J Respir Crit Care Med. 2013;187:382–386.
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