Wound Healing

This study will compare surgical site infection after linear repair with or without cyanoacrylate skin adhesive following Mohs micrographic surgery or wide local excision. Adult participants undergoing Mohs micrographic surgery or wide local excision for skin cancer with a surgical defect suitable for linear repair will be stratified by suture type and randomized to standardized running epidermal suture closure with or without cyanoacrylate skin adhesive. The primary outcome is surgical site infection within 30 days after surgery. Secondary outcomes include scar quality, treatment satisfaction, wound care burden, wound healing characteristics, antibiotic use, culture results, health care utilization related to wound concerns, and adverse events.

Topical timolol, a β2-Adrenergic receptor (B2AR) antagonist, has demonstrated promise in wound healing over the past several years. The majority of the literature has evaluated the use of topical timolol to shorten wound healing time in chronic wounds of non-surgical etiologies. To date, there are no prospective randomized clinical trials evaluating the role of topical timolol for shortening wound healing time in acute open surgical wounds. Therefore, the purpose of this study is to determine whether or not topical timolol solution decreases time to wound healing in patients with defects after Mohs Micrographic Surgery (MMS) that cannot be closed with sutures and are left to heal by second intent. The research team also will look to determine if there is a difference in cosmesis of wounds treated with topical timolol compared to those treated with the standard of care. The present study will primarily focus on wounds in the distal lower extremity as these are most commonly left to heal by secondary intent

The goal of this study is to compare the biological effects of two blood-derived products, standard platelet-rich plasma (PRP) and extracellular vesicle-enriched PRP (EV-enriched PRP), on human gingival (gum) fibroblasts, the cells responsible for gum tissue repair. PRP is a concentrate of platelets prepared from a person's own blood and is used in periodontal and soft tissue regeneration because it releases growth factors. Extracellular vesicles (EVs) are nanometer-sized particles released by platelets that carry proteins and genetic material and may play an important role in tissue healing. No study has yet directly compared standard PRP with an EV-enriched formulation on gingival fibroblasts. The main questions this study aims to answer are: * Does EV-enriched PRP increase gingival fibroblast proliferation more than standard PRP? * Does EV-enriched PRP accelerate gingival fibroblast migration (wound closure) more than standard PRP? * Do the two products differ in their effects on the expression of growth factor and collagen genes in gingival fibroblasts? Six healthy, non-smoking adult volunteers aged 20 to 40 years will each give a single blood sample (two tubes, 18 mL in total) from an arm vein. No treatment will be given to the volunteers. Each volunteer's blood will be processed into both standard PRP and EV-enriched PRP, and both products will be tested in the laboratory on a commercially available human gingival fibroblast cell line.

Cesarean delivery is one of the most common surgical procedures in obstetric care. Women with obesity (body mass index \[BMI\] of 30 kg/m² or higher) are at increased risk for postoperative wound complications, including surgical site infections, fluid collections (seroma/hematoma), and wound separation. Postoperative wound dressings protect the surgical incision, but the optimal timing for dressing removal remains uncertain, particularly for high-risk patients. The purpose of this prospective cohort study is to compare wound healing and the occurrence of surgical site infections between two standard dressing removal schedules in women with a BMI ≥ 30 kg/m² undergoing cesarean delivery. Participants are observed in one of two groups according to standard hospital practice: * Group 1: The sterile wound dressing is removed at approximately 48 hours after surgery. * Group 2: The sterile wound dressing is removed at approximately 5 days after surgery. Following dressing removal, incisions are assessed for signs of infection, drainage, swelling, and healing progress. The study aims to provide evidence on whether earlier dressing removal at 48 hours is safe and effective compared to delayed removal at 5 days in women with obesity.

This is a single-blinded, multicentre, prospective randomised controlled trial (RCT) comparing post-operative and patient-reported outcomes for patients undergoing application of negative-pressure wound therapy (NPWT) after sinus tract excision as compared to excision and standard open wound care in chronic pilonidal sinus disease (PSD).

This feasibility and pilot study has two aims. The primary aim is to assess the feasibility of collecting clinical, nutritional, and functional data among adults with diabetic foot ulcers (DFUs) who are treated at an outpatient wound clinic. Specifically, the study will evaluate recruitment and inclusion rates, the relevance and clinical utility of selected variables, and assess the completeness and reliability of data collection. The secondary aim is to provide a preliminary characterisation of nutritional status, dietary intake, body composition, muscle strength, mobility, and wound-related quality of life, to inform the design and methodology of a future full-scale national study. DFUs are associated with delayed healing, recurrent infections, reduced quality of life, and increased risk of hospitalization and amputation. These conditions are frequently accompanied by systemic inflammation, impaired circulation, and metabolic disturbances, which may increase nutritional requirements and negatively affect wound healing. Despite nutrition being recognized as a modifiable factor of ulcer healing, the nutritional status of individuals with DFUs remains insufficiently characterised, and evidence regarding clinically relevant nutritional deficiencies in this population is limited. Participants will undergo assessment of height, weight, body composition, handgrip strength, and a 24-hour dietary recall interview during an outpatient clinic visit. Nutritional screening questionnaires and patient-reported measures of appetite, nutritional impact symptoms, mobility, and quality of life will be collected through telephone interviews within one week of the clinical visit. Eligible participants are adults (\>18 years) who are referred to the outpatient wound clinic with a hard-to-heal foot ulcer. Participants must be able to communicate in Danish or English.

This randomized controlled trial will compare vacuum-assisted closure (VAC) therapy with conventional wound dressings for the treatment of open contaminated and dirty wounds. The study will be conducted in the Department of General Surgery, Jinnah Postgraduate Medical Centre (JPMC), Karachi. Eligible patients aged 15 to 60 years with open contaminated or dirty wounds measuring 5-10 cm and classified as American Society of Anesthesiologists (ASA) grade I or II will be randomly allocated to either VAC therapy or conventional dressings. The primary outcome will be mean duration of wound healing, measured in days from initiation of the assigned treatment until complete wound healing according to predefined clinical criteria. The study will compare the duration of wound healing between the two treatment groups.

Patients presenting to the University of Nebraska Medical Center College of Dentistry for a posterior extraction will be offered participation in the study. Prior to extraction, subjects will undergo clinical measurements, xray, gingival crevicular fluid (GCF) and saliva sampling and a blood draw. Following atraumatic tooth extraction, the subjects will be reevaluated for healing at 1, 2-weeks and 3 months. At each appointment, GCF, saliva and wound fluid (WF) will be collected and at 3 months a second xray will be taken.

This observational prospective cohort study will evaluate whether routine blood tests are associated with the functional quality of calcaneal bone marrow aspirate mesenchymal stem cells in adults undergoing clinically indicated foot or ankle surgery at a university hospital in Brazil. Participants aged 40 to 80 years, with or without comorbidities, including type 2 diabetes mellitus and, when present, active Wagner grade 2-4 diabetic foot ulcers, will be eligible for inclusion. Before surgery, participants will undergo routine blood tests, including complete blood count, glucose and lipid profile, mineral-renal markers, and tissue damage markers. During the clinically indicated surgery, calcaneal bone marrow aspirate will be collected from the same operative field. Mesenchymal stem cells will be isolated and evaluated in the laboratory for clonogenic capacity, osteogenic and adipogenic differentiation, cellular senescence, and secretion of inflammatory and anti-inflammatory cytokines. A composite Functional Quality Index of Bone Marrow Aspirate (IQF-BMA) will be constructed from routine laboratory markers to characterize inflammatory, metabolic, mineral-renal, and tissue-damage burden. The primary objective is to examine the association between the IQF-BMA and mesenchymal stem cell functional outcomes, particularly clonogenic capacity. This exploratory study will not be used to guide individual treatment decisions.

The goal of this clinical trial is to compare the effect of negative pressure wound therapy (NPWT) versus traditional dressings on the incidence of transplant infection in adult patients undergoing split-thickness skin grafting (STSG) to the lower leg following excision of a skin tumour. The main questions it aims to answer are: Does NPWT reduce the incidence of graft infection within 2 weeks after STSG? Does NPWT improve secondary outcomes such as graft take, reduce reoperations, complications, and resource use? Researchers will compare patients treated with NPWT to patients treated with traditional dressings to see if NPWT results in lower infection rates and better clinical outcomes. Participants will: Undergo excision of a skin tumour on the lower leg followed by STSG. Be randomized to receive either NPWT or traditional dressings applied over the graft. Follow a structured postoperative care and mobilisation schedule. Attend follow-up visits at day 5 and day 14 postoperatively and be monitored through medical record review up to three months after surgery.

Healing after dental surgery can vary from person to person. This study is being done to understand how body weight (obesity vs. normal weight) may affect healing after tissue is removed from the roof of the mouth during a gum graft procedure. The study will also evaluate whether a healing material made from a participant's own blood, called platelet-rich fibrin (PRF), is comparable in quantity and quality to the standard-of-care collagen plug. First, participants will be classified into obese or normal weight groups. Next, participants will be randomized to receive either collagen plug or platelet-rich fibrin clot during their surgical procedure Then, participants will return for 4 visits up to 30 days from the surgery visit.

This study investigates whether early post-surgical healing (1-2 weeks) affects the 12-month clinical and radiographic success of periodontal regenerative therapy, and identifies patient-related, site-specific, and technique-related factors associated with optimal early wound healing, in patients with Stage III-IV periodontitis.

The goal of this observational study is to assess the relationship between female hormonal status and postoperative wound healing in reduction mammaplasty. The main questions it aims to answer are: 1. Does wound healing differ depending on whether the operation takes place before or after ovulation in the menstrual cycle? 2. Does estradiol have a positive effect on wound healing? Participants with mammary hypertrophy will undergo reduction mammaplasty, and the investigators will measure their hormonal profile (LH, FSH, and estradiol) on the day of surgery.

This study evaluates whether a 9-week healing interval is sufficient for subepithelial connective tissue graft (SCTG) maturation after palatal harvesting, and whether topical application of a polynucleotide and hyaluronic acid gel (Regenfast®) improves tissue quality. This is a randomized, blinded, controlled clinical trial with a split-mouth design involving 15 participants. Each participant undergoes bilateral SCTG harvesting from the palate in two surgical sessions 9 weeks apart. In the first session, one randomized side receives a single topical application of Regenfast® after graft removal; the contralateral side serves as control. Standardized tissue fragments (3×3 mm, 1.5 mm thickness) are collected from each graft for histological (HE, Picrosirius Red) and immunohistochemical analyses. Comparisons are made between grafts collected at baseline and after 9 weeks, and between sides treated with or without the gel.

A prospective, randomized clinical study with a blinded evaluator to compare a post-surgical abdominal scar care protocol using Ozoaqua products versus standard care in patients undergoing open abdominal surgery. The primary objective is to assess whether the use of Ozoaqua, initiated in the immediate postoperative period according to wound evolution, improves abdominal scar quality at 3 months compared with usual care. The proposed design is an initial single-center study at the Clínica Universidad de Navarra, with 1:1 random allocation to two parallel arms: an intervention group receiving standard care plus Ozoaqua ozonated soap and oil, and a control group receiving standard care only. The primary scar assessment will be performed by a blinded evaluator, while treatment will be open-label due to the nature of the topical intervention. The target population consists of adult patients undergoing scheduled open abdominal surgery, with primary wound closure and an assessable linear abdominal scar. Follow-up will be integrated into routine clinical care, including an in-hospital phase during the first postoperative days and outpatient visits at approximately 2 weeks, 1 month and 3 months, with the latter being the main study visit. The primary endpoint will be scar quality at 3 months, assessed using the POSAS scale, particularly the blinded observer score. Secondary endpoints will include the patient POSAS score, scar evolution, wound complications, pain, pruritus, satisfaction, cutaneous adverse events, rescue treatments and adherence.

The goal of this clinical trial is to compare primary wound closure (PC) versus delayed primary closure (DPC) after standardized wound decontamination using the High-Efficiency Incision and Drainage with Irrigation (HIEDI) technique in patients undergoing open appendectomy for complicated appendicitis in Sana'a, Yemen. The main questions it aims to answer are: * Does primary closure with HIEDI result in a non-inferior or lower incidence of Surgical Site Infection (SSI) at 30 days compared with delayed primary closure with HIEDI? * Does primary closure with HIEDI reduce length of hospital stay and improve the trajectory of objective wound healing compared with delayed primary closure with HIEDI? * What is the impact of each closure method on patient satisfaction and health-related quality of life? Researchers will compare the two groups to determine the optimal, evidence-based standard of care for wound management in complicated appendicitis within a resource-limited setting. Participants will: * Undergo open appendectomy for intraoperatively confirmed complicated appendicitis (perforation or gangrene). * Receive standardized HIEDI wound decontamination (meticulous debridement and pulsatile irrigation with minimum 500 mL povidone-iodine 1:10 solution). * Be randomly allocated to either primary closure (all layers closed at surgery) or delayed primary closure (skin/subcutaneous tissue left open and closed 3-5 days later). * Attend follow-up visits at days 7, 14, and 30 for wound assessment, infection surveillance, and outcome evaluation.

The goal of this clinical trial is to evaluate whether oral nifedipine reduces postoperative pain and improves wound healing after hemorrhoidectomy in adult patients aged 18-65 years undergoing elective surgery for grade III or IV hemorrhoids in Sana'a, Yemen. The main questions it aims to answer are: * Does oral nifedipine 20 mg twice daily for 14 days reduce postoperative pain compared with placebo? * Does oral nifedipine improve wound healing progression and shorten time to complete healing compared with placebo? Researchers will compare the nifedipine group to the placebo group to see if there is a significant reduction in pain scores, faster wound healing, lower analgesic consumption, and fewer complications. Participants will: * Take either oral nifedipine 20 mg or an identical-looking placebo capsule twice daily for 14 consecutive days, starting 6 hours after surgery. * Report pain intensity using a standard 0-10 Visual Analogue Scale at multiple time points during the first 28 days. * Attend follow-up visits on postoperative days 7, 14, and 28 for wound healing assessment and safety monitoring. * Use rescue analgesia (paracetamol and/or diclofenac) as needed for breakthrough pain.

This study looks at whether a treatment made from a patient's own blood, called platelet-rich plasma (PRP), can help heal the cut made during childbirth (episiotomy) better than standard care alone. PRP is prepared by drawing a small blood sample from the patient and spinning it in a centrifuge to concentrate the platelets, which contain natural healing factors. In this study, women who have an episiotomy during vaginal delivery will be randomly assigned to one of two groups: one group will receive a single injection of their own PRP at the wound site right after delivery, and the other group will receive the usual standard wound care. Neither group's care will otherwise differ. Researchers will follow each woman for 6 weeks after delivery, checking how well the wound is healing using a standard scoring tool (REEDA score), along with pain levels, any complications like infection or wound reopening, and how satisfied participants are with their recovery. The goal is to find out whether this simple, low-risk treatment using a woman's own blood can speed up healing and reduce discomfort after childbirth.

This study investigates whether infrared thermography, a harmless and non-invasive thermal camera technique, can help monitor how surgical wounds heal after skin surgery. The goal is to detect wound problems earlier, such as infection or delayed healing, and to support doctors in making timely clinical decisions.

This study will investigate the utility of Silk bioprotein, an FDA-approved and readily available post-surgical dressing, as a wound dressing for patients undergoing double-incision mastectomy for female-to-male gender affirmation surgery.

This is a Phase 1 research study evaluating the safety and potential benefits of a topical gel called LUT017 in helping skin wounds heal after minor skin procedures. The study will enroll healthy adults who are already scheduled to have two benign (non-cancerous) skin lesions, such as moles, removed as part of routine care. When the lesions are removed, two small wounds will be created. One wound will be treated with LUT017 gel, and the other will be treated with a placebo gel that does not contain active medication. This allows each participant to serve as their own comparison. The study team will monitor how the wounds heal over approximately one week using clinical evaluation, photographs, and safety assessments. LUT017 is a topical medication designed to activate natural skin repair pathways and potentially promote faster healing. The main purpose of this study is to determine whether a single application of LUT017 gel is safe and well tolerated when applied to fresh skin wounds, and to look for early signs that it may improve or speed up wound healing compared to placebo. The primary question this study aims to answer is: Is LUT017 gel safe when applied to acute skin wounds, and does it show preliminary evidence of improving early wound healing in healthy adults? Participants will be followed for about one week after treatment, with blood tests and skin evaluations to monitor for any side effects. The information gathered from this study will help determine whether LUT017 should continue to be developed as a potential treatment to support wound healing.

The goal of this clinical trial is to learn if postoperative wound complications in the inguinal region of high-risk patients with peripheral arterial occlusive disease can be prevented by the intraoperative application of cold atmospheric plasma. The main questions it aims to answer are: Does the intraoperative application of cold atmospheric plasma reduce the need for surgical revision of inguinal wounds due to wound healing complications within 3 months postoperatively? Does the intraoperative application of cold atmospheric plasma reduce wound healing complications not requiring revision within 3 months postoperatively? Researchers will compare the application of cold atmospheric plasma to a placebo (a deactivated look-alike device). Participants will: Undergo surgical treatment with femoral artery access due to their peripheral arterial occlusive disease, in accordance with the respective vascular surgery department standard of care. Receive a single application of cold atmospheric plasma or, respectively, placebo in the area of their inguinal access wound during surgery (after subcutaneous closure and prior to skin closure). Be regularly assessed for wound healing during the first postoperative 14 days as part of routine clinical care and undergo a final evaluation at 3 months. They will also be surveyed regarding their quality of life.

When patients undergo minor oral surgery, dentists use various types of stitches (sutures) to help the gums heal. These stitches can be made of different materials, and some might feel more comfortable, cause less pain, or interfere less with eating and speaking than others. The purpose of this study is to compare four commonly used dental suture materials to see which ones patients prefer. Participants in this study will receive four different types of stitches in different areas of their upper jaw after a routine dental procedure. Patients will be asked to report their levels of pain, discomfort, and any difficulties with daily activities like eating and talking on Days 3, 7, and 14 after the procedure. A panel of dental specialists will also examine photos of the healing process to see if one material helps the mouth heal better than others. This research will help dentists choose the best materials to improve patient comfort after oral surgery.

This clinical observational study investigates the dose-response relationship between laser energy intensity and skin damage/repair by applying different parameter sets of fractional ablative (CO2) and non-ablative (M22) lasers to the inner forearms of approximately 20 healthy Chinese female volunteers (aged 18-60, Fitzpatrick skin types III-V) in a single-center, self-controlled design. Each participant receives both laser types on contralateral arms, with four distinct energy/density combinations per laser applied to separate test areas, and the dynamic skin responses are evaluated at baseline, immediately post-treatment, and at 30 minutes, 1, 2, 3, 4 hours, 7 days, and 10 days thereafter through clinical assessments (edema, erythema, etc.), standardized photography, high-frequency ultrasound (Dermascan), and objective instrumental measurements of skin color (Chromameter CM26dG), melanin/hemoglobin (Mexameter MX18), and barrier function (TEWL via Vapometer). The collected data will be analyzed using descriptive and comparative statistical methods to characterize the acute injury and recovery profiles, aiming to establish a foundational model for future post-procedure cosmetic intervention research.

This study is a prospective, multicenter, real-world observational study. It aims to evaluate the effectiveness and safety of a combined therapy-autologous epidermal cell suspension followed by biological dressing (porcine xenograft) coverage-for wound repair after dermabrasion or surgical debridement in patients with second-degree burns. A total of 193 patients receiving the combined therapy will be enrolled from multiple hospitals across China. Their outcomes will be compared with 193 matched patients who received conventional treatment alone (e.g., xenograft alone, autologous skin grafting, or standard dressing changes). The primary outcomes include wound healing rate at 4 weeks and time to complete wound closure. Secondary outcomes include scar assessment, pigmentation, functional recovery, quality of life, and safety. Patients will be followed for up to 6 months.