Clinical trials: Volume, open to volunteers
Bladder
FILLing Protocols for the Right Bladder Volume at the RIGHT Time (FILLRIGHT)
The goal of this clinical trial is to compare evaluation of oral hydration protocols for the right optimal bladder filling prior to pelvic ultrasound.
- Trial name
- FILLRIGHT (NCT07642570)
- Testing
- Quantity A, Quantity B, Quantity C
- Where
- France
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University Hospital, Brest
Gastric Insufflation
Comparison of Gastric Insufflation Volume Between LarySeal Pro and Ambu AuraGain Using Ultrasonography In Pediatric Patients Undergoing General Anesthesia With Controlled Ventilation.
Gastric air insufflation during insertion of a laryngeal mask airway (LMA) is a known phenomenon and can have important clinical implications, especially in relation to: During positive pressure ventilation or improper insertion…
- Trial name
- NCT07451470
- Testing
- LarySeal Pro, Ambu aura
- Where
- Egypt
- Volunteers
- 106 people, healthy volunteers welcome
- Sponsor
- Cairo University
Mucus Retention, Mechanical Ventilation Complication
Effects of Mechanical Insufflation-Exsufflation With Optimized Settings on Wet Mucus Volume During Invasive Ventilation
Retention of airway secretions is a frequent complication in critically ill patients requiring invasive mechanical ventilation (MV).This complication is often due to excessive secretion production and ineffective secretion…
- Trial name
- NCT06491017
- Testing
- MI-E Intervention protocol, Standard MI-E setting
- Where
- Spain
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Hospital Clinic of Barcelona
Lymphedema, Upper Extremity Lymphedema
Comparison of Reliability, Time Cost, and Participant Comfort of Lymphedema Assessments in Upper Extremity
This study aims to evaluate and compare the measurement reliability, total time cost (preparation, acquisition, post-processing), and participant comfort of conventional limb volume measurement methods (water displacement…
- Conditions
- Lymphedema, Upper Extremity Lymphedema, Breast Cancer Related Lymphedema, Edema
- Trial name
- NCT07921290
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Karadeniz Technical University
Bowel Preparation Quality
Can Artificial Intelligence Reduce Consumption of Standard High Volume Bowel Preparation Regimen Among Older Population, Without Compromising the Quality of Colonoscopy? An International Multi-centre Randomized Controlled Trial.
The goal of this study is to assess the clinical and cost-effectiveness of the AI bowel preparation evaluation system in reducing the consumption volume of the standard high-volume PEG regimen before colonoscopy among the older…
- Trial name
- AIBP (NCT06904209)
- Testing
- AI
- Where
- Hong Kong
- Volunteers
- 1,824 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Facial Skin Aging, Facial Volume Loss
Comparing Facial Aging Between Identical Twins With 3D Imaging
Identical twins share the same genes, which makes them a powerful way to study how lifestyle and environment - rather than genetics - affect how faces age.
- Conditions
- Facial Skin Aging, Facial Volume Loss, Wrinkle Appearance
- Trial name
- NCT07760532
- Testing
- GLP-1 Receptor Agonists
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Ponsky Facial Aesthetics And Plastic Surgery, Llc
Fine Lines, Wrinkle
Assess Injectable Hyaluronic Acid Gel for the Treatment of Volume Loss, Skin Laxity and Fine Lines
Clinical trial to assess the real-world effectiveness of Obagi® Saypha® MagIQ™ Injectable Hyaluronic Acid (HA) gel for the treatment of mild-to-moderate facial aging, including volume loss, fine lines, and skin laxity, following…
- Conditions
- Fine Lines, Wrinkle, Facial Laxity, Volume Loss
- Trial name
- NCT07421544
- Testing
- Obagi® Saypha® MagIQ™ Injectable Hyaluronic Acid
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Goldman, Butterwick, Fitzpatrick and Groff
Perioral Wrinkles, Crow's Feet
Prospective, Non-interventional Study Assessing Perioral Rejuvenation Procedure
The goal of this observational study is to learn how a perioral rejuvenation procedure affects perioral line severity and lip volume over time in adults undergoing routine aesthetic treatment in a single clinical center.
- Conditions
- Perioral Wrinkles, Crow's Feet, Lip Volume Enhancement, Lip Aging
- Trial name
- NCT07398768
- Testing
- Saypha® Rich, Saypha® Filler Lidocaine
- Where
- Austria
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Yuvell
Volume Assessment, Gummy Smile
Assessment of The Accuracy of Complete Crown 3D Superimposition Technique Relative to The Gold Standard Technique for Digital Quantification of Volumetric Soft Tissue Changes in The Esthetic Zone
The aim of this study is to assess the precision of the complete crown technique employed for the superimposition of 3D models, specifically in the quantitative volumetric evaluation of gingival tissues.
- Trial name
- NCT06673576
- Testing
- Complete crown technique for superimposition, Gold standard technique for superimposition
- Where
- Egypt
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- British University In Egypt
Intraocular Pressure
Effect of Raised End-Tidal pCo2 on Choroidal Volume
This study is to investigate the relationship between arterial carbon dioxide (CO2) concentration and vitreous pressure on the choroidal volume by integrated intraoperative OCT imaging under eye exams under anesthesia.
- Trial name
- NCT06275308
- Testing
- Ventilation manipulation
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
Trained Athletes, Untrained
Trained vs. Untrained: Lower Extremity Pressure Changes
Research shows that how well oxygen moves from the lungs into the blood (called lung diffusing capacity) is linked to a person's aerobic fitness and endurance training.
- Trial name
- TULiP (NCT07897357)
- Testing
- Lower body positive and negative pressure
- Where
- Canada
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Soft Tissue Atrophy, Mucogingival Deformity on Edentulous Ridge
Behavioral Comparison of Three Different Graft Materials to Increase Soft Tissue Thickness Around Dental Implants.
The purpose of the study is to compare soft tissue volume changes in terms of volume gain and stability around dental implants and PROMS in cases where a sub-epithelial connective tissue graft (SCTG) from the palate, Porcine…
- Conditions
- Soft Tissue Atrophy, Mucogingival Deformity on Edentulous Ridge, Edentulous Alveolar Ridge
- Trial name
- NCT04766255
- Testing
- Soft Tissue graft augmentation, Implant Placement
- Where
- Spain
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Universitat Internacional de Catalunya
Laparoscopic Cholecystectomy, Mechanical Ventilation
Mechanical Power During Different Ventilation Modes in Laparoscopic Surgery
This study investigates how different breathing machine (ventilator) settings affect the energy delivered to the lungs during surgery.
- Conditions
- Laparoscopic Cholecystectomy, Mechanical Ventilation, Ventilator-Induced Lung Injury
- Trial name
- NCT07670494
- Testing
- Volume-Controlled Ventilation (VCV), Pressure-Regulated Volume Control (PRVC)
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Dr Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital
Coenzyme Q10, Alveolar Cleft Grafting
Effect of Co-enzyme Q10 on the Bone Volume of Alveolar Cleft Reconstruction
Evaluate the effect of Co-enzyme Q10 on the bone volume in unilateral alveolar cleft repair
- Trial name
- NCT07045246
- Testing
- Coenzyme Q 10, iliac bone graft
- Where
- Egypt
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Fayoum University
Fasting, Gastric Emptying
Comparison of Residual Gastric Volume Between Children Who Drink Different Clear Oral Fluid Volume
According to the American Society of Anesthesiologists (ASA) fasting guideline for patients undergoing elective surgery, the 2-hour fasting period is suggested for clear oral fluid (including water, pulp-free juice and tea or…
- Trial name
- NCT03741777
- Testing
- Clear oral fluid
- Where
- United States
- Volunteers
- 288 people, healthy volunteers welcome
- Sponsor
- Boston Children's Hospital
Healthy Volunteer, Magnetic Resonance Imaging
Study of New Magnetic Resonance Imaging Methods of the Brain
The purpose of this investigation is to develop improved magnetic resonance imaging (MRI) techniques and hardware for studying brain function.
- Conditions
- Healthy Volunteer, Magnetic Resonance Imaging, Healthy, fMRI
- Trial name
- NCT00004577
- Where
- United States
- Volunteers
- 1,100 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Buccal Infiltration, Articaine
Buccal Infiltration of Different Volumes of Articaine for Extraction.
This study compares the effectiveness of two different volumes of buccal infiltration of Articaine for the extraction of mandibular posterior teeth.
- Conditions
- Buccal Infiltration, Articaine, Anesthesia
- Trial name
- NCT06630819
- Testing
- 1.8 ml of 4% Articaine, 3.6 ml of 4% Articaine
- Where
- 2 sites in Saudi Arabia
- Volunteers
- 114 people, healthy volunteers welcome
- Sponsor
- Qassim University
Anesthesia, Mechanical Ventilation
VC-AF vs FCV in Obese Patients Undergoing Laparoscopic Surgery
Obesity adversely affects respiratory physiology by reducing lung volumes and compliance and increasing airway resistance and alveolar collapse.
- Conditions
- Anesthesia, Mechanical Ventilation, Obesity
- Trial name
- NCT07875530
- Where
- Turkey (Türkiye)
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Kocaeli University
Acute Kidney Injury
Acute Normovolemic Hemodilution on Urine Neutrophil Gelatinase-associated Lipocalin Levels
Acute normovolemic hemodilution (ANH) is performed as a blood conservation technique during surgical procedures with high risk for significant blood loss.
- Trial name
- NCT05349292
- Testing
- ANH
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Maryland, Baltimore
Chronic Obstructive Pulmonary Disease (COPD)
Upper Airway Morphology and Physiology During Graded Positive Pressure and Nasal High Flow: An MRI Study
This study investigates the effects of graded nasal high flow (NHF) and continuous positive airway pressure (CPAP) on upper airway morphology and respiratory physiology in healthy volunteers and patients with COPD.
- Trial name
- AIR-MRI (NCT07886502)
- Testing
- Nasal High Flow, Continuous Positive Airway Pressure
- Where
- Germany
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Klinikum Dortmund Wirbelsäulenchirurgie