Cellular versus acellular matrix devices in the treatment of diabetic foot ulcers: Interim results of a comparative efficacy randomized controlled trial.

Abstract:

:Healing of diabetic foot ulcers is a major challenge. Despite adhering to optimal standard of care (SOC), less than 30% of wounds heal after 20 weeks. Advanced cellular tissue-based products have shown better healing over SOC, albeit with great cost and modest improvement. We hypothesized no difference in healing effected by either cellular (Dermagraft), noncellular (Oasis) devices, relative to SOC in treating diabetic foot ulcer in a randomized controlled trial. The primary and secondary outcomes were the percentage of subjects that achieved complete wound closure by study endpoint (12 weeks of treatment) and study completion, respectively. During the 2-week screening phase with SOC, subjects with 40% change in ulcer size were excluded. After randomization, 56 patients entered an active treatment phase (8 weeks) followed by a maintenance phase (4-week SOC), with endpoint at visit 15, and 4 monthly follow-up visits. There was equal distribution of demographic data (p>.05) and no difference in initial wound characteristics (p>.05) between all groups. No differences were observed in complete wound closure by 12 and 28 weeks of treatment, nor were there any difference in percentage area reduction from treatment weeks 1 to 12 and from treatment weeks 1 to 28 between the groups. Each of the treatment arms showed statistically significant reduction in wound area from treatment weeks 1 to 28 (p<.05). This exploratory analysis suggests that the outcomes of treatment with either Dermagraft or Oasis matrix are comparable. We have completed enrollment, and the final data analysis is underway to make definitive conclusions.

journal_name

J Tissue Eng Regen Med

authors

Tchanque-Fossuo CN,Dahle SE,Lev-Tov H,West KIM,Li CS,Rocke DM,Isseroff RR

doi

10.1002/term.2884

subject

Has Abstract

pub_date

2019-08-01 00:00:00

pages

1430-1437

issue

8

eissn

1932-6254

issn

1932-7005

journal_volume

13

pub_type

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