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Surgery clinical trials

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NCT ID: NCT06232317 Enrolling by invitation - Surgery Clinical Trials

Feasibility and Acceptability of ReCognitionVR-based Cognitive Stimulation in Surgical Patients

Start date: December 9, 2023
Phase: N/A
Study type: Interventional

This study aims to assess the feasibility, acceptability, and safety of using ReCognitionVR virtual reality-based software in older surgical patients. Results from this study will be used to inform the design of a future study in critically ill hospitalized patients at risk for delirium.

NCT ID: NCT06184919 Enrolling by invitation - Surgery Clinical Trials

Preparing Older Adults for Major Surgery With Preoperative Comprehensive Geriatric Assessments

Start date: June 14, 2023
Phase:
Study type: Observational

The researchers will conduct observations, interviews, and focus groups with clinicians, staff and patients of the Perioperative Optimization of Senior Health (POSH) clinic, which conducts preoperative comprehensive geriatric assessments (pCGA) at UW Health to understand clinic processes and potential areas for improvement. The goal is to (1) create a process map describing clinic workflow and (2) redesign the process with healthcare providers and patients/families.

NCT ID: NCT06129669 Enrolling by invitation - Surgery Clinical Trials

ICG Indocyanine Green in Reconstructive Surgery

ICG-R
Start date: May 9, 2023
Phase:
Study type: Observational

The success or failure of a reconstruction is largely related to the vascularization of the operated area. Near infrared fluorescence (also near infrared fluorescence angiography, NIR FA) with ICG administration is an innovative technique to quantify tissue perfusion. Based on the results obtained in other subspecialties, NIR fluorescence appears to be a promising way to quantify tissue perfusion in reconstructive surgery. Fluorescence research has previously been used in the context of microsurgery and breast reconstructions using implants, but structural objective determinations are lacking. Our study is successful if we are able to determine a cut off value for the absolute or relative perfusion parameters.

NCT ID: NCT06095362 Enrolling by invitation - Surgery Clinical Trials

Thyroid Cancer and Central Lymph Node Metastases Detection Using Bevacizumab-IRDye800CW

TARGET-beva
Start date: November 29, 2021
Phase: Phase 1
Study type: Interventional

Background: Papillary thyroid cancer (PTC) patients often develop central lymph node metastases (CLNM), which pose a high risk of disease recurrence. The prophylactic central lymph node dissection (PCLND) is controversial, with proponents arguing for it to prevent local recurrence, and opponents objecting to the hypoparathyroidism and nerve damage risk. Currently, no diagnostic tool exists to identify patients who would benefit from a PCLND. Molecular Fluorescence Guided Surgery (MFGS) is a potential solution that uses fluorescent tracers to detect cancerous tissue. This study aims to investigate whether the administration of a GMP-produced near infrared (NIR) tracer, bevacizumab-IRDye800CW, targeting VEGF-A, can enable intraoperative selection of PTC/FTC/HTC patients for CLND. Objective: The primary objective of the study is to determine the optimal dose of bevacizumab-IRDye800CW for an adequate tumor-to-background ratio (TBR) in PTC/FTC/HTC lymph node metastases. The secondary objectives are to evaluate the feasibility of MFGS for PTC/FTC/HTC and nodal metastasis assessment, to correlate and validate fluorescence signals detected in vivo with ex vivo histopathology and immunohistochemistry, to evaluate the distribution of bevacizumab-IRDye800CW on a microscopic level, and to quantify the sensitivity and specificity of bevacizumab-IRDye800CW for PTC/FTC/HTC and nodal metastasis. Study Design: The TARGET-BEVA study is a non-randomized, non-blinded, prospective, single-center phase I feasibility study for patients with confirmed PTC/FTC/HTC, for which the best TBR dosage group in PTC/FTC/HTC nodal metastasis will be determined. The study will initiate with a 3 x 3 scheme: 4,5 mg, 10 mg, and 25 mg, with three patients confirmed with lymph node metastasis in each group. Dosages will be based on previous studies, with the primary objective being the detection of lymph node metastasis. After the first 9 patients, an interim analysis will be performed, after which the best dosage group will be expanded with another 7 patients. Conclusion: The study aims to identify a novel diagnostic tool that can aid clinicians in selecting patients for PCLND, enabling a reduction in overtreatment, morbidity, and costs while maintaining effectiveness with a lower recurrence rate and improved quality of life.

NCT ID: NCT05964166 Enrolling by invitation - Surgery Clinical Trials

Tetragraph® Monitor: Tolerance of Preoperative Placement

Start date: May 31, 2023
Phase: N/A
Study type: Interventional

This is a prospective, non-blinded, single arm study. The primary objective of this study is to evaluate the tolerance to preoperative placement of the adhesive sensor for the Tetragraph® Neuromuscular Transmission Monitor in pediatric-sized patients ≤ 12 years of age.

NCT ID: NCT05932017 Enrolling by invitation - Surgery Clinical Trials

Comparison of Gingival Flap Procedure Using Conventional Surgical Loupes vs. Videoscope for Visualization

Start date: July 1, 2023
Phase:
Study type: Observational

This study is being performed to compare different methods of visualization during routine gum surgery. The gum surgery is standard of care. This study will compare the use of a small camera (videoscope) in conjunction with magnification glasses during surgery vs. surgery only using magnification glasses. Both methods are routinely used and are standard of care methods of visualization. The small camera (videoscope) is a device which allows us to see the area under high magnification and projects live video feed on a computer screen. The study is a split-mouth design pilot study. The patients are only receiving treatment that was previously diagnosed prior to entering the study. The treatment performed is standard treatment that fits in the routine standard of care. No interventional treatment is being performed. The only difference is the method of visualization/observation by the practitioner used during the surgical procedure. One side of the mouth will be treated with just loupes while the other side of the mouth will be treated with loupes and the videoscope.

NCT ID: NCT05863013 Enrolling by invitation - Quality of Life Clinical Trials

Use of the ADL-Glittre Test in the Pre and Postoperative Period of Patients With Lung Cancer

Start date: May 2023
Phase: N/A
Study type: Interventional

Lung cancer is the most common type of cancer and the leading cause of cancer death worldwide, in both men and women. Improvements in earlier preoperative staging and more effective adjuvant treatment have improved survival in non-small cell lung cancer, although surgical resection remains the mainstay of care for all patients in stages I to IV. This study proposes to evaluate the functional capacity through TGlittre in patients with non-small cell lung cancer, before and after thoracic surgery, taking into account the predictive role of this test in the risk of complications and in the evaluation of the impact of functional rehabilitation.

NCT ID: NCT05828680 Enrolling by invitation - Clinical trials for Cardiovascular Diseases

Circadian Rhythm Disruption in the Hospital Intensive Care Environment

Start date: March 15, 2023
Phase:
Study type: Observational

Abrupt changes to one's lifestyle disrupt biorhythms. Acute effects are well known from jet lag where transmeridian travel leads to insomnia, fatigue, irritability, gastrointestinal symptoms and other complaints. Several studies in the hospital environment reported dampened and misaligned biorhythms, suggesting that the inpatient experience is replete with circadian disruptors. However, comprehensive assessments of how circadian clocks are affected in intensive care and how this predicts post-operative recovery and risk are largely missing.

NCT ID: NCT05699343 Enrolling by invitation - Surgery Clinical Trials

Surgical Treatment of Peri-implantitis Using a Bone Substitute With or Without a Resorbable Collagen Membrane

Start date: January 30, 2023
Phase: N/A
Study type: Interventional

The objective of the present randomized clinical trial will be to compare two surgical methods of treating peri-implantitis. This study will determine if surgical debridement of peri-implantitis bone defects, including air decontamination of implant surfaces, in combination with the placement of a bone graft, differs in treatment outcomes compared to placing the same bone graft material with a resorbable collagen membrane placed over the bone graft.

NCT ID: NCT05690633 Enrolling by invitation - Surgery Clinical Trials

Feasibility of Obtaining Pulse Oximetry Readings From the Oropharynx

Start date: January 9, 2024
Phase: N/A
Study type: Interventional

This is a prospective study to evaluate the feasibility of obtaining a pulse oximetry ready from the oropharynx with a standard oximeter probe that has been attached to an oral airway or a tongue blade. The study will compare the values from the peripheral pulse oximeter on a finger, toe, foot or hand with the that from the oropharyngeal oximeter. The study will also compare the saturation from an arterial blood gas (ABG) collected as standard of care with that obtained from the oropharyngeal oximeter.