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Needle Phobia clinical trials

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

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NCT ID: NCT05713539 Not yet recruiting - Needle Phobia Clinical Trials

Determining Whether There is a Change in Time Taken to Return to Homeostatic Temperature With Repeated Exposure to a Cold Stressor

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

There has been previous research suggesting cold has an effect on pain relief, however there is limited knowledge on the relationship between exposure time of a cold stressor and how long it takes to return to homeostatic temperature and normal response to cold, in addition to whether location site affects this. The skin's thermal response to a cold stimulus is not fully understood. This provides precedent for potentially using cold stressors as a way to provide pain free injections. 5 participants will be exposed to a block of copper on the skin at -2°C for 30 seconds, and a thermal camera will be used to identify the amount of time it takes for the skin to return to its homeostatic temperature. The participant will then be left for 30 seconds before the experiment is repeated to identify if there is a change in the response to cold after the first exposure. If increased sensitivity in the response to cold occurs, the experiment will be repeated by adding an additional 30 seconds between repeats to identify the minimum time required between exposures that doesn't result in increased sensitivity. This will occur until there are two consecutive times with no increased sensitivity. This will occur on both the forehead and on the deltoid of the arm, two areas where injections are common. The cold stressor will be block of copper metal which will be cooled to this temperature.