Burn Wound Clinical Trial
Official title:
Fluorescence-based Detection of Inflammation and Necrosis to Inform Surgical Decision-making and Enhance Outcomes
This study investigates fluorescence image-guided surgery to allow precise identification of necrotic tissue both preoperatively and intraoperatively in burn patients. Furthermore, it uses a multi-model approach to elucidate the localization of ICG in inflammation and necrosis to determine how this novel use of a well-known fluorescence marker can be optimized to aid in surgical decision making. This proposal will provide the necessary data to support the design of a larger clinical trial to study the feasibility and efficacy of this technology to improve the precision of necrosis detection and removal and improve wound healing outcomes. Up to 100 participants will be on study for up to approximately 24 days.
Status | Recruiting |
Enrollment | 100 |
Est. completion date | March 2028 |
Est. primary completion date | March 2027 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - English speaker - Patients with partial thickness indeterminate depth burn wounds that occurred within 24 hours of admission and are expected to require admission for at least 3 days (Aim 1) or with deep partial thickness or full thickness burn wounds that are 1-30% TBSA and will likely require surgery (Aim 2) - Subject understands the study procedures and can provide informed consent to participate in the study and authorization for release of relevant protected health information to the study investigator Exclusion Criteria: - Contraindication to Indocyanine Green (ICG) injection, i.e. previous reaction to ICG (adverse event rate: 1 in 42,000) or Iodine allergy. - Inability to obtain consent - Subject with pre-existing inflammatory diseases or chronically treated before admission to the hospital with steroids or nonsteroidal anti-inflammatory drugs or biologics - Subject with immune deficiency (HIV infection or use of corticosteroids, cytostatic drugs, tetracycline and certain bisphosphonates) - Subject with known or suspected infections or on antibiotic therapy - Subject known or suspected to be pregnant |
Country | Name | City | State |
---|---|---|---|
United States | University of Wisconsin | Madison | Wisconsin |
Lead Sponsor | Collaborator |
---|---|
University of Wisconsin, Madison | National Institute of General Medical Sciences (NIGMS) |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Signal to Background Ratio (SBR) of ICGA and SWIG Fluorescence Images | Quantitative assessment of all ICGA and SWIG fluorescence images will be achieved in part by measuring the fluorescence signal-to-background ratio (SBR). | up to 96 hours after injury (up to 4 days on study) | |
Primary | Standard Deviation of ICGA and SWIG Fluorescence Images | Quantitative assessment of all ICGA and SWIG fluorescence images will be achieved in part by measuring the fluorescence standard deviation. | up to 96 hours after injury (up to 4 days on study) | |
Primary | Spatial Pattern of ICGA and SWIG Fluorescence Images | Qualitative characterization of all ICGA and SWIG fluorescence images will be achieved by evaluating the fluorescence spatial patterns and features. | up to 96 hours after injury (up to 4 days on study) | |
Primary | Burn Surgeon Assessment of Wound Healing (Yes/No) | For Aim 1, a burn surgeon blinded to the fluorescence data will perform an assessment of complete wound healing without surgery (Yes/No) at 21 ± 3 days from burn injury. | up to 24 days from burn injury (up to 21 days on study) | |
Primary | Burn Surgeon Assessment of Graft Loss (Yes/No) | For Aim 2, a burn surgeon blinded to the fluorescence data will perform an assessment of presence or absence of graft loss (Yes/No) 14 ± 7 days after discharge following skin grafting. | up to 21 days after discharge following skin grafting (up to 31 days on study) | |
Primary | Depth of Necrotic Tissue as a Percentage of the Tissue Biopsy Thickness | sample collected up to 4 days on study | ||
Secondary | Spatial Correlation of ICG fluorescence and Cell Necrosis and Inflammation | sample collected up to 4 days on study |
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