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Found 1070 All Conditions trials

A listing of All Conditions medical research trials actively recruiting patient volunteers. Search for closest city to find more detailed information on a research study in your area.

 Impact of Nicotine Messaging on Beliefs and Behavior

Impact of Nicotine Messaging on Beliefs and Behavior

21-100 years
All genders
The purpose of this study is to examine the impact of nicotine messaging on beliefs and behavior while using investigational cigarettes with either normal nicotine levels or reduced nicotine levels.
 Testing the Reward-Drinker Hypothesis of Naltrexone Using an Extended-Release Formulation

Testing the Reward-Drinker Hypothesis of Naltrexone Using an Extended-Release Formulation

18-65 years
All genders
Phase 4
This study is being conducted to compare the effects of a medication (extended-release naltrexone or XR-NTX) or placebo (an inactive substance) together with brief counseling on reducing or stopping drinking.   XR-NTX is approved by the U.S. Food and Drug Administration (FDA) for treating alcohol dependence. Its use is experimental …
 Towards Objective Metrics to Quantify the Role of HIV and Increasing Cognitive Demand on Instrumental ADLs in People Aging with HIV

Towards Objective Metrics to Quantify the Role of HIV and Increasing Cognitive Demand on Instrumental ADLs in People Aging with HIV

50-100 years
All genders
The objective of this proposal is to examine the utility of a robot-based approach to study instrumental activities of daily living (IADLs) function and cognitive-motor performance in persons aging with HIV. IADLs often require high levels of executive functioning during the performance of motor activities, but there are no good …

Opioid and Brain Study

18-60 years
All genders
Have problem with opiates? You may qualify for the study if you are:    - Between 18–60 years old    - In treatment or seeking treatment for opioid use problems    - Willing to complete one MRI scan of the brain  The study will investigate the psychological and brain mechanisms of opioid use disorder. There will be …
 Metabolomic Reprogramming in insomnia as a Function of Objective Sleep Duration

Metabolomic Reprogramming in insomnia as a Function of Objective Sleep Duration

25-50 years
All genders
The research study is being conducted to understand how insomnia and the amount of sleep people get at night affect metabolism. Four groups of people will be asked to participate: individuals with insomnia who sleep >6 hours per night, individuals with insomnia who sleep <6 hours per night, individuals without …
 The REMBRANDT Study (Recovery of the Microbiome from Antibiotics for Dental Implants)

The REMBRANDT Study (Recovery of the Microbiome from Antibiotics for Dental Implants)

60-100 years
All genders
The purpose of the study is to determine whether owning a pet changes the disruption and recovery of a person's microbiome (collection of bacteria in the intestines) following a course of antibiotics after they have received dental implant treatment.  

Prescribed opioid induced brain damage in chronic pain patients

18-50 years
All genders
Opioids activate the limbic system and results in acute cell injury hippocampal atrophy. Thespecific aims of this proposal are to test the hypotheses that humans with chronic pain on longterm,high-dose opioids: 1. Will demonstrate smaller hippocampal volumes by MRI. 2. Willperform more poorly on neuropsychological tests of memory and associated …

ProNET: Psychosis Risk Outcomes Network

12-30 years
All genders
We are seeking young people who are concerned about recent changes in mood, thinking or behavior.  This research project aims to increase understanding of mental health concerns in young people and how to prevent the development of a more serious mental illness such as psychosis.
 HIV Prevention Research Division: Generic Interest Form

HIV Prevention Research Division: Generic Interest Form

18-45 years
All genders
The purpose of this study is to determine if you may be eligible to participate in one of ourcurrent research studies being conducted at the University of Pennsylvania. The purposes ofthese studies are to test different methods that might protect people against viruses thatcause transmittable infections or to develop better …

The OHART Study

18-99 years
All genders
The purpose of this study is to investigate different oral and systemic problems including dental carries, periodontal disease, dry mouth, high cholesterol, diabetes, heart disease, and osteoporosis, observed in patients living with HIV on antiretroviral therapy. 
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