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Usability and effectiveness of Suprathel® in partial thickness burns in children.

ABSTRACT: Evaluation of usability and effectiveness of Suprathel® in the treatment of partial thickness burns in children.A prospective, observational study to evaluate adherence of Suprathel® to the wound bed, reepithelialization time, grafting, wound colonization and infection, pain, dressing changes, length of hospital stay (LOS) and scar formation.Twenty-one children (median age 2.4 years, range 5 months-14 years) with a median total body surface area (TBSA) of 4 % (range 1-18) were included. Median LOS was 10 days (range 3-20). Median outer layer dressing changes was 3 (range 1-14). Suprathel® was only adherent in wounds debrided with Versajet®. Median reepithelialization time was 13 days (range 7-29). Three patients needed a split skin graft. There were 7 (33 %) patients with wound colonization before application of Suprathel®. This increased to 12 (57 %) patients during treatment. One patient developed a wound infection. Median visual analog scale (VAS) scores for background and procedural pain in patients >7 years were 3.2 (range 2-5) and 3.5 (range 2-5), respectively. In younger patients, median background and procedural COMFORT-B scores were 13.8 (range 10-23) and 14.8 (range 13-23, p = 0.03), respectively. Patient and Observer Scar Assessment Scale (POSAS) scores were favorable after 3 and 6 months post burn.Suprathel® provides potential advantages regarding pain and scar formation, but extensive wound debridement is needed to achieve adequate adherence.

SUBMITTER: Rashaan ZM

PROVIDER: S-EPMC5533852 | biostudies-other | 2017 Aug

REPOSITORIES: biostudies-other

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Project description:Although partial thickness burns are the most frequently reported burn injuries, there is no consensus on the optimal treatment. The objective of this study was to compare the clinical effectiveness and scar quality of Flaminal® Forte to silver sulfadiazine (Flamazine®) in the treatment of partial thickness burns. In this two-arm open label multicenter randomized controlled trial, adult patients with acute partial thickness burns and an affected total body surface area of less than 30% were randomized between Flaminal® Forte and Flamazine® and followed for 12?months. Dressing changes in the Flamazine® group were performed daily, and in the Flaminal® group during the first 3?days post burn and thereafter every other day until complete wound healing or surgery. Forty-one patients were randomly allocated to Flaminal® Forte and 48 patients to Flamazine®. The primary outcome was time to wound healing, which did not differ between the groups: median 18?days with Flaminal® Forte (range 8-49?days) versus 16?days with Flamazine® (range 7-48?days; p?=?0.24). Regarding the secondary outcomes during hospital admission, there were no statistically significant differences between the groups concerning need for surgery, pain scores, pruritus, or pain-related and anticipatory anxiety. More patients in the Flaminal® group developed wound colonization (78% versus 32%, p?<?0.001), but the treatment groups did not differ regarding the incidence of local infections and use of systemic antibiotics. In terms of scar quality, no statistically significant differences between both treatment groups were found regarding subjective scar assessment (Patient and Observer Scar Assessment Scale (POSAS)), scar melanin and pigmentation (DermaSpectrometer®), and scar elasticity and maximal extension (Cutometer®) during 12?month postburn. In conclusion, time to wound healing did not differ, but the use of Flaminal® Forte seemed favorable because less dressing changes are needed which lowers the burden of wound care.

Project description:Thermal injuries are caused by exposure to a variety of sources, and split thickness skin grafts are the gold standard treatment for severe burns; however, they may be impossible when there is no donor skin available. Large total body surface area burns leave patients with limited donor site availability and create a need for treatments capable of achieving early and complete coverage that can also retain normal skin function. In this preclinical trial, two cellular and tissue based products (CTPs) are evaluated on twenty-four 5 × 5 deep partial thickness (DPT) burn wounds. Using appropriate pain control methods, DPT burn wounds were created on six anesthetized Yorkshire pigs. Wounds were excised one day post-burn and the bleeding wound beds were subsequently treated with omega-3-rich acellular fish skin graft (FSG) or fetal bovine dermis (FBD). FSG was reapplied after 7 days and wounds healed via secondary intentions. Digital images, non-invasive measurements, and punch biopsies were acquired during rechecks performed on days 7, 14, 21, 28, 45, and 60. Multiple qualitative measurements were also employed, including re-epithelialization, contraction rates, hydration, laser speckle, and trans-epidermal water loss (TEWL). Each treatment produced granulated tissue (GT) that would be receptive to skin grafts, if desired; however, the FSG induced GT 7 days earlier. FSG treatment resulted in faster re-epithelialization and reduced wound size at day 14 compared to FBD (50.2% vs. 23.5% and 93.1% vs. 106.7%, p < 0.005, respectively). No differences in TEWL measurements were observed. The FSG integrated into the wound bed quicker as evidenced by lower hydration values at day 21 (309.7 vs. 2500.4 µS, p < 0.05) and higher blood flow at day 14 (4.9 vs. 3.1 fold change increase over normal skin, p < 0.005). Here we show that FSG integrated faster without increased contraction, resulting in quicker wound closure without skin graft application which suggests FSG improved burn wound healing over FBD.

Project description:Abstract Introduction Autograft (AG) is the standard of care treatment for deep burns but requires creation of a donor site wound prone to pain and scarring. Treatment with a bioengineered allogeneic cellularized construct (BACC) is an alternative approach that can reduce or eliminate the need for autografting. The BACC is a bilayer construct that was recently approved in the US for the treatment of adult deep partial-thickness (DPT) burns. Here, we report the analysis of pooled safety data from two open-label, randomized, controlled trials (STRATA2011 [NCT01437852] and STRATA2016 [NCT03005106]) that evaluated efficacy and safety of BACC versus autografting in patients with DPT burns. Methods The trials enrolled 101 patients aged ≥18 years with 3–49% total body surface area (TBSA) thermal burns. In each patient, two DPT areas on the torso or extremities were randomized to receive BACC or AG, where the mean total BACC dosage was 234.8 cm2 (range: 12.0–960.0 cm2). The safety endpoints assessed at each visit included: 1) treatment-emergent adverse events (TEAEs), treatment-related AEs (TRAEs), and serious AEs (SAEs); 2) changes in immunologic responses (panel reactive antibodies [PRA], anti-bovine serum albumin [BSA] antibody response [STRATA2016 only]); 3) persistence of allogeneic DNA; and 4) laboratory exam and vital signs. Results Eighty-seven patients (86.1%) experienced TEAEs, 30 patients (29.7%) experienced TRAEs, and 16 patients (15.8%) experienced SAEs. The most frequent TEAEs reported by ≥10% of patients in the pooled analysis were pruritus (n=31, 30.7%) and blister, hypertension, and hypertrophic scar (n=11, 10.9% each). The most frequent TRAEs (≥5% of patients) were pruritus (n=13, 12.9%) and blister (n=5, 5%). The most common SAEs were transplant (BACC or AG) failure, pneumonia, and deep vein thrombosis (n=2, 2% each), where only one SAE (impaired healing of moderate severity) was possibly related to BACC. One patient (1%) discontinued the trial due to a TEAE (traumatic brain injury). Two patients (2%) experienced SAEs that led to death, neither related to BACC. The number of patients with positive PRA values that were negative at baseline were 36 (38.7%) at Day 28 and 20 (22%) at Month 3. The number of patients with reactivity to HLA I class alleles found in the BACC increased from 4 (4%) at baseline to 39 (40.9%) at Day 28, then decreased to 22 (24.2%) at Month 3. No persistence of allogeneic DNA from the BACC was detected. Conclusions BACC is well tolerated and is not associated with any unexpected SAEs or TEAEs. The safety profile at BACC treatment sites is similar to that at AG treatment sites. Thus, BACC may offer a safe alternative to autografting for the treatment of DPT burns.

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Usability and effectiveness of Suprathel® in partial thickness burns in children.

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