Allogeneic Mesenchymal Precursor Cells in Type 2 Diabetes: A Randomized, Placebo-Controlled, Dose-Escalation Safety and Tolerability Pilot Study  

Oleh:

Skyler, Jay S. ; Fonseca, Vivian A. ; Segal, Karen R. ; Rosenstock, Julio

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Diabetes Care vol. 38 no. 09 (Sep. 2015), page 1742-1749.
Topik: Placebo Controlled
Fulltext: D05 v38 n9 p1742 kelik2016.pdf (1.41MB)

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Perpustakaan FK Nomor Panggil: D05.K Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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OBJECTIVE To assess the safety, tolerability, and feasibility of adult allogeneic bone marrow–derived mesenchymal precursor cells (MPCs) in type 2 diabetes inadequately controlled with metformin either alone or with one additional oral antidiabetic agent. RESEARCH DESIGN AND METHODS The study was a dose-escalating randomized placebo-controlled trial assessing one intravenous (IV) infusion of MPCs (rexlemestrocel-L; Mesoblast Inc.) 0.3 × 106/kg (n = 15), 1.0 × 106/kg (n = 15), or 2.0 × 106/kg (n = 15) or placebo (n = 16). Study duration was 12 weeks. RESULTS Subjects (21 women, 40 men) with a mean ± SD baseline HbA1c 8.3 ± 1.0% (67 ± 10.9 mmol/mol), BMI 33.5 ± 5.5 kg/m2, and diabetes duration 10.1 ± 6.0 years were enrolled at 18 U.S. sites. No acute adverse events (AEs) were associated with infusion. No serious AEs, serious hypoglycemia AEs, or discontinuations due to AEs over 12 weeks were found. No subjects developed donor-specific anti-HLA antibodies or became sensitized. The safety profile was comparable among treatment groups. Compared with placebo, a single IV infusion of rexlemestrocel-L reduced HbA1c at all time points after week 1. The adjusted least squares mean ± SE dose-related differences in HbA1c from placebo in the rexlemestrocel-L groups ranged from -0.1 ± 0.2% (-1.1 ± 2.2 mmol/mol) to -0.4 ± 0.2% (4.4 ± 2.2 mmol/mol) at 8 weeks and from 0.0 ± 0.25% to -0.3 ± 0.25% (-3.3 ± -2.7 mmol/mol) at 12 weeks (P < 0.05 for 2.0 × 106/kg dose at 8 weeks). The clinical target HbA1c <7% (53 mmol/mol) was achieved by 33% (5 of 15) of the subjects who received the 2.0 × 106/kg dose vs. 0% of those who received placebo (P < 0.05). CONCLUSIONS This short-term study demonstrates the safety and feasibility of up to 246 million MPCs in subjects with type 2 diabetes.

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