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NCT ID: NCT04878965 Completed - Technology Clinical Trials

Smartwatches to Manage Stress and Anxiety in Residential Settings

Smartwatch
Start date: April 26, 2021
Phase: N/A
Study type: Interventional

The purpose of the study is to conduct a prospective evaluation of a smartwatch technology and an associated application (developed by Awake Labs) in a clinical cohort from Centre for Addiction and Mental Health (CAMH) Adult Neurodevelopmental Services (ANS) and adults with developmental disabilities in the community who have received a watch.

NCT ID: NCT04317157 Not yet recruiting - Caffeine Clinical Trials

Placebo Effects Investigated by Different Experimental Designs

Start date: January 2022
Phase: N/A
Study type: Interventional

This study aims to investigate the neurophysiological mechanisms of placebo perceived as caffeine during a motor task. Central and peripheral measures (i.e. electroencephalography and electromyography) will be assessed.

NCT ID: NCT02181582 Completed - Baseline Clinical Trials

Specific PET Radioligand Binding to Translocator Protein

Start date: June 24, 2014
Phase: Phase 1
Study type: Interventional

Background: - A brain protein called translocator protein (TSPO) shows changes in some brain diseases. A radioactive drug called 11C-(R)-PK 11195 is used to take pictures of TSPO using a camera called positron emission tomography (PET). Researchers want to find out how well 11C-(R)-PK 11195 takes the pictures. Objective: - To evaluate the radioactive chemical 11C-(R)-PK 11195. Eligibility: - Healthy volunteers ages 18-55. Design: - Participants will be screened with a medical exam. - Participants will have scans at up to 4 visits. - PET scan using 11C-(R)-PK 11195: - A small tube (catheter) will be put into an artery at the wrist or elbow, by a needle. The needle will be removed, leaving only the catheter in the artery. Blood samples will be taken through this catheter. - Another catheter will be placed into a vein in the arm or hand. - 11C-(R)-PK 11195 will be injected through the second catheter. - The PET scanner is shaped like a doughnut. Participants will lie on a bed that slides in and out of it. They may get a plastic mask for their face and head. - Participants will receive a dose of emapunil by mouth. Participants will then have another PET scan. - Participants may have a magnetic resonance imaging (MRI) scan. The MRI scanner is a metal cylinder surrounded by a magnetic field. The participant will lie on a table that can slide in and out of the cylinder. Participants will get earplugs for the loud knocking noises. - After each scan, participants will get a follow-up phone call. Two to seven days after taking emapunil, participants will return for a follow-up visit.

NCT ID: NCT02179827 Withdrawn - Hemodilution Clinical Trials

Performance of Non-Invasive Monitors During ANH

Start date: November 2022
Phase:
Study type: Observational

The aim of this study is to assess the responsiveness of the standard minimally invasive hemodynamic monitors used in the operating room to known changes in the intravascular volume status that occur during blood removal and volume replacement with three different standard fluids used during ANH.