Clinical trials: Free Flaps
Free Flap Evaluation, Indocyanine Green Concentration
Diluted Indocyanine Green Angiography: a Novel Approach to Free Flap Perfusion Evaluation in Reconstructive Microsurgery
The evaluation of perfusion in free flaps is crucial in clinical practice. Currently, the gold standard for evaluation is subjective through clinical assessment.
- Conditions
- Free Flap Evaluation, Indocyanine Green Concentration, Perfusion
- Trial name
- NCT06220357
- Testing
- Indocyanine Green
- Where
- Indonesia
- Volunteers
- 47 people
- Sponsor
- Universitas Indonesia
Free Tissue Flaps
Radial Forearm Versus the Ulnar Forearm Free Flap
This study evaluates donor site outcomes in patients receiving radial forearm free flap reconstruction versus ulnar forearm free flap reconstruction.
- Trial name
- NCT03579277
- Testing
- Radial Forearm Free Flap, Ulnar Forearm Free Flap
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Indiana University
Free Tissue Flaps, Head and Neck Neoplasms
Leg Function and ADL After ALT Reconstruction for Head and Neck Cancer
Anterolateral thigh (ALT) free flap tissue transfer is a commonly used method of head and neck reconstruction after head and neck cancer removal.
- Trial name
- NCT02332161
- Testing
- surveys, evaluative tests for leg function
- Where
- United States
- Volunteers
- 8 people
- Sponsor
- University of Chicago
Negative-Pressure Wound Therapy, Edema
Impact of Negative Pressure Wound Therapy on Free Muscle Flaps
Aim of the study is to prove the utility and safety of the negative pressure wound therapy (NPWT) in the postoperative management of free flaps.
- Conditions
- Negative-Pressure Wound Therapy, Edema, Free Flap, Microcirculation
- Trial name
- NCT02526342
- Testing
- V.A.C. UltraTM (KCI®,San Antonio, Texas, USA)
- Where
- Germany
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Ulf Dornseifer, MD
Mandibular Reconstruction, Dental Implant
Simultaneous Dental Implant in Free Vascularized Bone Flaps for Jaw Reconstruction
After jaw resection, free vascularized bone flaps are frequently used for repairing maxillofacial defects. Simultaneous dental implantation is more preferable to secondary implantation as it saves the patients from going through…
- Conditions
- Mandibular Reconstruction, Dental Implant, Free Tissue Flaps, Jaw Neoplasms
- Trial name
- NCT05405179
- Testing
- Simultaneous dental implantation
- Where
- Hong Kong
- Volunteers
- 25 people
- Sponsor
- The University of Hong Kong
Reconstructed Jaws, Free Fibula Flaps
Assessment of the Stability of Immediately Loaded All-on-four Dental Implants in FFF Used for Reconstruction of the Jaws
The use of free vascularized fibula flaps for bony reconstruction has proved its success as a substitution for the resected bone and in some instances, the surrounding soft tissues The aim of this case series study is to evaluate…
- Conditions
- Reconstructed Jaws, Free Fibula Flaps, All on Four Technique
- Trial name
- NCT03950284
- Testing
- immediate loading with all on four technique in FFF
- Where
- Egypt
- Volunteers
- 10 people
- Sponsor
- Cairo University
Breast Reconstruction, Deep Inferior Epigastric Perforator
The Effects of Caffeine on Deep Inferior Epigastric Perforator (DIEP) Flap Perfusion
Women that require breast reconstruction and meet eligibility will be enrolled in this study. The study is being completed to determine the effect of caffeine in deep inferior epigastric perforator (DIEP) flap perfusion using the…
- Conditions
- Breast Reconstruction, Deep Inferior Epigastric Perforator, Microvascular Free Flap Transfer
- Trial name
- NCT04249934
- Testing
- Caffeinated Coffee, DecaffeinatedCoffee
- Where
- United States
- Sponsor
- University of Michigan
Oropharyngeal Cancer, Palate Free Flap Reconstruction
Functional Results of Soft Palate Free Flap Reconstruction
The oropharynx is a complex anatomical structure necessary for nasal breathing, swallowing and phonation. The removal of oropharyngeal cancers can lead to sequelae, particularly in the case of resections affecting the soft…
- Trial name
- RECaVoLL (NCT03890783)
- Testing
- Evaluation of phonation quality, Evaluation of swallowing quality, global quality of life questionnaire
- Where
- France
- Volunteers
- 29 people
- Sponsor
- Hospices Civils de Lyon
Head and Neck Disorder, Free Flap
Platelet-Rich Fibrin in the Healing of Regional and Free Flaps
Determine if the use of platelet-rich fibrin (PRF) versus historical treatment methods improves the post-operative management of healing complications from flap donor sites.
- Trial name
- NCT04023474
- Testing
- Platelet Rich Fibrin (PRF) Application
- Where
- United States
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- University of Florida
Free Tissue Flaps
Effect of Epidural Anesthesia on Blood Flow in Arterial Anastomosis of Free Flap
Comparing the changes of arterial anastomotic blood flow between general anesthesia alone and general anesthesia with epidural anesthesia in patients who undergoing free flap transposition using Duplex ultrasound.
- Trial name
- NCT03330808
- Testing
- Epidural anesthesia
- Where
- South Korea
- Volunteers
- 52 people
- Sponsor
- Asan Medical Center
Mandibular Reconstruction Using Free Fibula Flap
Mandibular Vertical Height Augmentation in Segmental Defects Using Combined Vascularized and Non-Vascularized Fibula Flap
Segmental mandibulectomy, often employed for resection of a tumour, and occasionally for trauma, osteoradionecrosis, or osteomyelitis, adversely affects patient's quality of life (QoL) to a varying degree.
- Trial name
- NCT04219683
- Testing
- Mandibular vertical height augmentation in segmental defects using combined vascularized and non-vascularized fibula flap
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Cairo University
Free Flap Reconstruction
Malnutrition is Not a Risk Factor for Free Flap Failure in the Oral Cavity
Free flap reconstruction consists in replacing tissular defect from one body part by another tissu harvested in a distant site. Microsurgery has to be performed to restore vascularization.
- Trial name
- FOOD (NCT04069650)
- Testing
- Free flap
- Where
- France
- Volunteers
- 70 people
- Sponsor
- Centre Hospitalier Universitaire Dijon
Head and Neck Cancer, Patients Requiring a Free Flap Surgery
A Prospective Study Evaluating the Use of Intraoperative Stroke Volume Variation Via the FloTrac Device to Guide Fluid and Vasopressor Management in Head and Neck Free Flaps
This study aims to investigate whether the intraoperative use of the FloTrac device to guide fluid and vasopressor management during head and neck free flap surgery improves postoperative outcome.
- Trial name
- NCT02186938
- Testing
- FloTrac
- Where
- United States
- Volunteers
- 94 people
- Sponsor
- Medical University of South Carolina
Mammaplasty, Microsurgery
Perioperative Management of DIEP Flaps
By comparison of two different protocols with diverse fluid/ catecholamine administration limits (fluid restriction vs. catecholamine restriction with target systolic blood pressure > 100 mmHg) the investigators would like to…
- Conditions
- Mammaplasty, Microsurgery, Free Tissue Flaps
- Trial name
- NCT03118024
- Testing
- Crystalloid Solutions, Catecholamines
- Where
- Germany
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Regensburg
Free Flap Reconstruction
The Effect of Dexmedetomidine as an Adjuvant for Lower Limb Nerve Blocks
Peripheral nerve block has been recommended as the technique for postoperative pain management because it provides equivalent analgesia but with fewer adverse effects than either systemic or epidural analgesia.
- Trial name
- NCT03118076
- Testing
- 0.3% ropivacaine and 50 μg dexmedetomidine, Ropivacaine
- Where
- China
- Volunteers
- 40 people
- Sponsor
- Xiaofeng Bai
Free Tissue Flaps
PVI Based Intraoperative Fluid Management in Head and Neck Free Flap Reconstructive Surgeries
Intraoperative fluid given according to BMI in group B and according to pulse oximeter- derived pleth variability index(MASIMO RAINBOW PULSE CO OXIMETRY) in group G.
- Trial name
- NCT03116178
- Testing
- Group G -PVI( Masimo co oximeter) guided fluid therapy, Group B- Body weight guided intravenous fluid @6-8ml/kg
- Volunteers
- 80 people
- Sponsor
- Rajiv Gandhi Cancer Institute & Research Center, India
Microsurgical Free Flaps
Sevoflurane Protective Effect on Ischemia-reperfusion Injury. Multicenter, Randomized Controlled Trial
This study aimed to evaluate the possible protective effect of anesthetic technique balanced(with sevoflurane) compared with total intravenous anesthetic technique (propofol,remifentanil).
- Trial name
- NCT01905501
- Testing
- Balanced anesthesia, Total intravenous anesthesia
- Where
- Italy
- Volunteers
- 132 people
- Sponsor
- Regina Elena Cancer Institute
Free Tissue Flaps
Detection of Flap Ischemia Using Interstitial Glucose Monitor
A simple device that objectively assesses flap perfusion - either as a stand-alone tool or an adjunct to the current monitoring method - would be a tremendous improvement in detection of early postoperative flap ischemia and, in…
- Trial name
- NCT02604069
- Testing
- Continuous Glucose Monitor
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Hamilton Health Sciences Corporation
Microcirculation, Thermoregulation
Impact of Active Thermoregulation on the Microcirculation of Free Flaps
This study evaluates the impact of active thermoregulation on free flap microcirculation following free flap transfer. Thermoregulation is performed by passive warming, active warming (water circulation based device) and active…
- Conditions
- Microcirculation, Thermoregulation, Free Flap
- Trial name
- NCT02466594
- Testing
- Hilotherm Clinic®
- Where
- Germany
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Ulf Dornseifer, MD
Oral Cancer, Head and Neck Cancer
Assessment of the Effects of Pressors on Graft Blood Flow After Free Tissue Transfer Surgery
Following surgery to remove tumours of the head and neck, patients undergo reconstruction with free flaps - tissue that is taken from elsewhere in the body and given a new blood supply by attaching it to vessels in the neck.
- Conditions
- Oral Cancer, Head and Neck Cancer, Free Flap, Hypotension
- Trial name
- Free4Flow (NCT01418118)
- Testing
- Epinephrine, Norepinephrine, Dobutamine
- Where
- United Kingdom
- Volunteers
- 25 people
- Sponsor
- Oxford University Hospitals NHS Trust