Clinical trials: PSI
Presbyopia
Trial of the PresVIEW Implant for the Improvement of Near Vision in Patients With Presbyopia
The primary objective of this study is to evaluate the safety and effectiveness of the PresVIEW™ Scleral Implant (PSI) for the improvement of near visual acuity in presbyopic patients.
- Trial name
- NCT01166568
- Testing
- PresVIEW Scleral Implants
- Where
- 14 sites in United States
- Volunteers
- 337 people, healthy volunteers welcome
- Sponsor
- VisDura, Inc.
Patients Undergoing Rigid Bronchoscopy
A Comparative Study Between Combination of Propofol and Dexmedetomidine Versus Propofol Alone in Anesthesia for Rigid Bronchoscopy by Using the Patient State Index Monitor
Standard ASA fasting guidelines will be followed. IV 20 gauge cannula will be inserted and dedicated to the infusion drugs. Standard ASA monitors will be attached, and baseline heart rate (HR), mean arterial blood pressure (MAP)…
- Trial name
- NCT07409935
- Testing
- Propofol saline, Propofol Dexmedetomidine
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Cairo University
CAD/CAM, Patient Specific Implant
Tooth and Bone-borne Cutting/Repositioning Guide and Patient-specific Implant(PSI)
Dentofacial deformity refers to a group of disorders characterized by malocclusion and facial asymmetry resulting from developmental abnormalities of the maxilla and mandible, which cause morphological and positional anomalies of…
- Conditions
- CAD/CAM, Patient Specific Implant, Orthognathic Surgery, Surgery-first
- Trial name
- PSI (NCT07634276)
- Testing
- bimaxillary surgery(Lefort I and SSRO)
- Where
- China
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Peking Union Medical College
Low Flow Anesthesia
Low-Flow Anesthesia Without Wash-in: Effects on Oxygenation and Depth of Anesthesia
This study aims to evaluate whether adjusting the fresh gas flow rate to low-flow immediately after intubation, without performing a wash-in, is a reliable approach with respect to depth of anesthesia and oxygenation.
- Trial name
- NCT07534839
- Testing
- Initiation of low-flow anesthesia without wash-in following intubation
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Erzincan Binali Yildirim Universitesi
Gingival Vascularization, Oral Soft Tissue Wound Healing
Analysis of the Reliability and Validity of Laser Speckle Contrast Imaging
This study is designed to validate laser speckle contrast imaging (LSCI) as a non-invasive method for measuring superficial gingival blood perfusion.
- Conditions
- Gingival Vascularization, Oral Soft Tissue Wound Healing, Laser Speckle Contrast Imaging, Periodontal Wound Healing
- Trial name
- LSCI (NCT07527351)
- Testing
- Laser Speckle Contrast Imaging
- Where
- Spain
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Universidad Complutense de Madrid
Sleep Disorder (Disorder), Autism Spectrum Disorder
"Sleep Patterns and EEG Structure in Youth With Autism: Links With Behavior and Parental Stress"
This retrospective observational study is designed to investigate sleep patterns, as well as both the macrostructure and microstructure of sleep, in a large cohort of children and adolescents diagnosed with Autism Spectrum…
- Trial name
- NCT07122388
- Testing
- Questionnaires about autism spectrum disorders and sleep and PSG., ADOS-2, ADI-R, SRS-2, PSG
- Where
- Italy
- Volunteers
- 187 people, healthy volunteers welcome
- Sponsor
- University of Campania Luigi Vanvitelli
Small Fiber Neuropathy
Establishing Normative Values for Thermal Detection and Pain Threshold Established by the Psi Method
The study aims to compare different methods to assess thermal detection ability in diabetic patients, as a way to monitor and diagnose neurological complications of diabetes mellitus.
- Trial name
- NCT04611048
- Testing
- Thermal QST (CDT, WDT, CPT, HPT) with the method of limits, Thermal QST (cold and warm detection, heat pain) with the psi method, Neurological examination
- Where
- Belgium
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Université Catholique de Louvain
Fibula / Surgery, Surgical Flaps
Novel Application of a Low-cost Alternative to Patient Specific Implants (PSI) in Mandibular Free Fibula Flap Reconstruction by Reverse Engineering of Stock Plates: A Pilot Validation Study
Stock reconstruction plates have been used for decades and represent a tried-and-true alternative to custom plating. Stock plates are readily available, are cost effective, and can be accurately bent before surgery, particularly…
- Conditions
- Fibula / Surgery, Surgical Flaps, Computer-Aided Design, Mandibular Reconstruction* / Methods
- Trial name
- NCT05672056
- Testing
- Computer guided placement of a stock plate pre-bent on a 3D printed model
- Where
- Egypt
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Cairo University
Deep Sedation, High Flow Nasal Canula
HFNO Flow Rates and Cerebral Oxygenation During Deep Sedation for Cystoscopy
For Patients and Families This study aims to investigate how high-flow oxygen therapy affects oxygen levels, especially brain oxygenation, during cystoscopy procedures performed under sedation.
- Conditions
- Deep Sedation, High Flow Nasal Canula, Cerebral Oxygenation, PSI
- Trial name
- NCT07630038
- Testing
- High-Flow Nasal Oxygen 40 L/min (HF40), High-Flow Nasal Oxygen 55 L/min (HF55), High-Flow Nasal Oxygen 70 L/min (HF70)
- Where
- Turkey (Türkiye)
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Firat University
Postoperative Delirium, Postoperative Pain
Effect of Electroencephalography Guided General Anesthesia on Postoperative Delirium in Children
Participants aged 4-10 years (92 patients), who came to the Hospital Operating Room at the University Faculty of Dentistry with an indication for dental treatment under general anesthesia due to lack of cooperation, will be…
- Trial name
- NCT06400706
- Testing
- EEG guided general anesthesia
- Where
- Turkey (Türkiye)
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Aydin Adnan Menderes University