Diabetic Foot Infection Clinical Trial
Official title:
A Multicenter, Open Label Phase 2 Pilot Trial of Subjects With Complex Non-healing Diabetic Foot Ulcers Treated With Standard Care Plus Cryopreserved Umbilical Cord Allograft (TTAX01)
It is hypothesized that application of the human placental umbilical cord tissue TTAX01 to the surface of a well debrided, complex diabetic foot ulcer will, with concomitant management of infection, result in a higher proportion of wounds showing complete healing within 16 weeks of initiating therapy.
The hypothesis under study is that one or more applications of TTAX01 to the wound surface of a well debrided, complex diabetic foot ulcer managed with appropriate antibiotic therapy will result in a higher probability of complete healing than would be expected from management with standard care alone. In this open label Phase 2 pilot trial, all subjects will receive the intervention over a maximum period of 16 weeks. Eligible consenting subjects will undergo a baseline aggressive debridement in the operating room to remove infected and devitalized bone and soft tissue. TTAX01 will be applied to the debrided wound bed at baseline, and if healing is not evident, it will be applied again at 4 week intervals. At each weekly visit the wound will be further debrided as necessary. Consenting subjects who qualify for enrollment will undergo an aggressive surgical debridement at the baseline visit, including biopsies of bone for histology and microbiologic testing at the start and completion of debridement. Systemic antibiotics will be given empirically, with adjustments made on the basis of culture and sensitivity results. New or recurrent infections will be managed with additional debridement and adjustment or addition of appropriate systemic antibiotics. The test article, TTAX01, will be sutured to the debrided wound bed at baseline and again at 4 week intervals over the 16 week treatment period for wounds that do not show evidence of healing. For wounds that do show evidence of healing, additional applications of TTAX01 will be withheld, based on observations from retrospective case series. Subjects whose wounds close prior to 16 weeks will move directly to a 2 week confirmation of closure period. Subjects whose wounds have not closed by the end of 16 weeks will exit the trial. ;
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