Clinical trials: Perception
Cannabis Intoxication
The Impact and Detection of Driving Impairments Associated With Acute Cannabis Smoking
This study was authorized by the California Legislature (Assembly Bill 266, the Medical Marijuana Regulation and Safety Act to help with detection of driving under the influence of cannabis.
- Trial name
- NCT02849587
- Testing
- Cannabis
- Where
- United States
- Volunteers
- 199 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Auditory Training and Auditory Efferent System
Role of the Auditory Efferent System in Auditory Perceptual Learning
The purpose of this study is to determine how changes in speech perception resulting from a computerized auditory training program are related to concurrent changes in auditory brainstem function resulting from the training.
- Trial name
- NCT02574247
- Testing
- Computerized auditory training
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- VA Loma Linda Health Care System
Pain, Acute, Anesthesia, Local
Variable Perception of Cutaneous Stimulation
Perception of cutaneous sensory stimulation shows a large range of variability across multiple populations. Understanding this variability is critical to medical practice as interpretation of discomfort and pain is critical to…
- Conditions
- Pain, Acute, Anesthesia, Local, Dermatology/Skin - Other
- Trial name
- NCT03467685
- Testing
- Vibratory Anesthetic Device (VAD)
- Where
- United States
- Volunteers
- 101 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
Wounds and Injuries
Randomized Control Trial of Booster Seat Education Material to Increase Perceived Benefit Among Parents
Seat belts protect people from injuries by diverting crash forces to stronger anatomical structures: the rib cage and the pelvis.
- Trial name
- NCT03573830
- Testing
- Transport Canada material, Enhanced material
- Where
- Canada
- Volunteers
- 731 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Pain
Pain Perception With Tenaculum Placement
Randomized controlled trial that compares methods of tenaculum placement during intrauterine device insertion and their effect on pain.
- Trial name
- NCT02969421
- Testing
- Cough method for placement of tenaculum, Slow Tenaculum Placement of tenaculum
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Duke University
Diabetic Peripheral Neuropathy
Study of PEMF to Evaluate VPT and Thermal Sensory in Subjects With Diabetic Peripheral Neuropathy
A study to demonstrate the effectiveness of PEMF treatment compared to sham treatment in changing Vibration Perception Threshold (VPT) and Thermal Sensory (QST) in patients with diabetic peripheral neuropathy (DPN) when treatment…
- Trial name
- NCT03077893
- Testing
- Active Provant Therapy System
- Where
- United States
- Volunteers
- 44 people
- Sponsor
- Regenesis Biomedical, Inc.
Chronic Obstructive Pulmonary Disease
Differentiating the Effects of Substance P and Beta-endorphin
In previous studies we demonstrated that endogenous opioids (inhibitory neuropeptides) modulate the perception of breathing difficulty in patients with chronic obstructive pulmonary disease (COPD).
- Trial name
- NCT01854177
- Testing
- Aprepitant
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Dartmouth-Hitchcock Medical Center
Psychological Distress, Stress (Psychology)
tAVNS for Stress Reduction in University Students
The goal of this clinical trial is to learn if transcutaneous auricular vagus nerve stimulation (taVNS) works to reduce perceived stress and psychological distress in university students with high distress levels.
- Conditions
- Psychological Distress, Stress (Psychology), Perceived Stress
- Trial name
- tAVNS4HES (NCT07411846)
- Testing
- taVNS
- Where
- Portugal
- Volunteers
- 40 people
- Sponsor
- Egas Moniz - Cooperativa de Ensino Superior, CRL
Transtibial Amputation
Evaluation of a Modified Running-specific Prosthetic Foot
The goal of this study is to evaluate endurance, walking performance, mobility, and perceived exertion of transtibial prosthesis users (i.e., study participants) walking with a conventional energy storing prosthetic foot (ESF)…
- Trial name
- NCT02440711
- Testing
- Energy storing foot (ESF), Modified running specific foot (mRSF)
- Where
- United States
- Volunteers
- 36 people
- Sponsor
- University of Washington
Lip Rejuvenation
Assess the Impact of Lip Rejuvenation on Projected First Impressions and Mood Perceptions
20 subjects with mild to severe oral commissures or none to severe perioral lines will be enrolled and injected with Restylane® Silk.
- Trial name
- NCT03241862
- Testing
- Restylane® Silk
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- DeNova Research
Prosthesis User, Amputation
An Investigation of Functional Improvements in the RHEO KNEE Compared to Hydraulic Microprocessor Controlled Knees (MPKs)
The aim of this study was to evaluate the mobility, perceived safety and functioning of unilateral transfemoral (TF) amputees using the Rheo Knee XC compared to their existing prosthetic knee (RHEO KNEE II, III or Genium, X2 or…
- Trial name
- NCT04023578
- Testing
- RHEO KNEE XC
- Where
- 4 sites in United States
- Volunteers
- 15 people
- Sponsor
- Össur Iceland ehf
Stress, Behavior
Brain and Meditation (BAM) Study
This study is a randomized controlled trial to test the impact of an app-based meditation program on perceived stress and behavioral correlates of stress with known neurobiological correlates.
- Trial name
- NCT05215314
- Testing
- mHealth Meditation
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Infant, Newborn, Infant, Premature
Effect of a Vibratory Stimulus on Mitigating Nociception-specific Responses to Skin Puncture in Neonates
The assessment and treatment of pain in neonates remains a challenge. In an effort to improve the quality of care while limiting opioid-related adverse effects, this study aims to determine the efficacy of a non-pharmacological…
- Conditions
- Infant, Newborn, Infant, Premature, Pain Perception, Pain Measurement
- Trial name
- NCT04050384
- Testing
- Baby GentleStick
- Where
- United States
- Volunteers
- 134 people, healthy volunteers welcome
- Sponsor
- Lance M Relland, MD, PhD
Alcohol Drinking
Impacts of Alcohol Warning Labels: An Online Experiment
The goal of this experiment is to examine responses to alcohol warning messages about 10 different topics among US adult alcohol consumers.
- Trial name
- NCT06442800
- Testing
- Liver Cancer, Throat and Mouth Cancer, Colorectal Cancer
- Where
- United States
- Volunteers
- 1,123 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Acute Pain
Vasopressin and Pain Perception in the Brain
The feeling of pain is not just a sensory experience, but is also influenced by emotions, beliefs and expectations, making pain a highly subjective experience.
- Trial name
- NCT03446456
- Testing
- Arginine vasopressin, Saline, Observational learning
- Where
- United States
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- University of Maryland, Baltimore
Hearing Loss, Sensorineural
Investigating Stimulation Parameter and Electrode Mode Changes on Speech Perception in Experienced Adult Cochlear Implant Recipients
This study aims to investigate the effect of stimulation parameters and different electrode modes on speech perception in adult cochlear implant recipients.
- Trial name
- DUAL (NCT06298396)
- Testing
- Program using default MAP, Program using low-power 1 (LP1) MAP, Program using low-power 2 (LP2) MAP
- Where
- Australia
- Volunteers
- 20 people
- Sponsor
- Cochlear
Mandibular Anterior Crowding, Piezocision
Efficiency of Piezotome-Corticision Assisted Orthodontics
The aim of this study is to evaluate the hypothesis that a piezotome-corticision procedure will have a transient acceleratory effect on the rate of tooth alignment and the overall treatment time.
- Conditions
- Mandibular Anterior Crowding, Piezocision, Pain Perception
- Trial name
- NCT02026258
- Testing
- Piezotome-Corticision, Orthodontics
- Where
- United States
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- UConn Health
Pain
The Effect of Liposomal Lidocaine on Perceived Pain in Children During Percutaneous Interosseous Pin Removal in the Outpatient Setting
The removal of smooth, percutaneous pins (Perc Pins), which are used for fracture fixation, occurs once adequate bone healing has taken place.
- Trial name
- NCT01542125
- Testing
- Liposomal Lidocaine
- Volunteers
- 281 people
- Sponsor
- University of Alberta
Visual Perception
Studying the Effects of Natural Visual Scene Changes on Typical Adult Visual Perception
The natural visual environment is complex and rich with different stimuli and features. The visual system must constantly extract behaviorally relevant visual information from an abundance of irrelevant information in the visual…
- Trial name
- NCT05004649
- Testing
- Psychophysical task
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania
Smoking, Hookah, Waterpipe Smoking
The Impact of Waterpipe Tobacco Flavors on Waterpipe Smoking Intentions, Perceptions, Patterns, and Toxicant Exposure
The overall aim of the current study is to determine if flavorings contribute to the initiation and maintenance of waterpipe (WP) smoking and also influence how a WP is smoked, which has implications for both risk of dependence…
- Trial name
- NCT03232827
- Testing
- Flavored-Sweetened Waterpipe Tobacco, Unflavored-sweetened waterpipe tobacco, Unflavored-very low sweetened waterpipe tobacco
- Where
- United States
- Volunteers
- 91 people, healthy volunteers welcome
- Sponsor
- University of Oklahoma