Clinical trials: Reward Learning
Anhedonia
Effect of D-amphetamine on Reward Functioning
The purpose of this study is to establish the dose-response curve for therapeutic doses of d-amphetamine on tasks of motivation and reward learning in the same participants and to use d-amphetamine as a dopaminergic probe to test…
- Trial name
- NCT03369015
- Testing
- 10 mg d-amphetamine, 20mg d-amphetamine
- Where
- United States
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center, Houston
Placebo Effect on Mood Improvement
The Role of Dopamine, Reward Learning and Prefrontal Activity in Expectation-induced Mood Enhancement
Although placebo effects on depressive symptoms are well documented, the underlying mechanisms and moderating factors of expectation effects on mood and depression are poorly understood.
- Trial name
- CRC289A07 (NCT05208294)
- Testing
- Sulpiride 400 MG, High expectation manipulation, Low expectation manipulation
- Where
- Germany
- Volunteers
- 297 people, healthy volunteers welcome
- Sponsor
- Philipps University Marburg
Depression, Inflammation
Simvastatin and Emotional Processing (OxSTEP)
Simvastatin is being employed because it is a 'statin'. As a drug class, statins have broad anti-inflammatory properties. Low-level inflammation is thought to be a potentially important mediator of the effects of psychosocial…
- Trial name
- OxSTEP (NCT04973800)
- Testing
- Simvastatin 20mg
- Where
- United Kingdom
- Volunteers
- 101 people, healthy volunteers welcome
- Sponsor
- University of Oxford
Healthy
Effect of Reward on Learning in Motor Cortex
Background: Magnetic resonance imaging (MRI) uses a strong magnetic field and radio waves to take pictures of the brain. Some MRI studies suggest that this technique reveals brain differences in patients with a nervous system…
- Trial name
- NCT00885131
- Where
- United States
- Volunteers
- 64 people
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Obsessive-Compulsive Disorder
The Neurocircuitry of Relief During Avoidance Learning in Patients With Obsessive-compulsive Disorder
To investigate the neuro-mechanisms underpinning persistent avoidance in OCD patients
- Trial name
- AvoidOCD (NCT04685018)
- Testing
- fMRI acquisition
- Where
- Belgium
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- KU Leuven
Depression in Adolescence, Antidepressant Activity in Healthy Volunteers
Fluoxetine and Understanding Social Experiences
Adolescence is a critical developmental period marked by significant social, cognitive, and emotional changes. Unfortunately, it is also a time when the risk of depression and anxiety rises dramatically.
- Conditions
- Depression in Adolescence, Antidepressant Activity in Healthy Volunteers, Healthy Adult Participants
- Trial name
- FUSE (NCT07456501)
- Testing
- Fluoxetine
- Where
- United Kingdom
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Oxford
Anorexia Nervosa
Influence of Reward and Punishment on Goal-directed and Habit Learning in Adolescent Anorexia Nervosa
The proposed study of adolescents with anorexia nervosa (AN) will examine the association of behavioral differences in constructs of decision making, brain structure and connectivity, and eating disorder (ED) symptoms.
- Trial name
- NCT04051879
- Where
- United States
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Low Weight Eating Disorders, Anorexia Nervosa
Reward Systems and Food Avoidance in Eating Disorders
The researchers plan to explore brain networks involved in emotion processing and learning using a brain scan and test meals. One core feature of Anorexia Nervosa (AN) is eating a small number of high-calorie or high-fat foods.
- Trial name
- NCT02795455
- Testing
- Interoceptive Exposure (IE), Family Based Therapy-Weight Gain Control (FBT-WG), meal replacement shake
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Icahn School of Medicine at Mount Sinai
Social Anhedonia, Social Function Impairment
Clinical and Neurocomputational Effects of Behavioral Activation in Veterans With Impaired Social Functioning
Poor psychosocial functioning, including social disconnection, is common and disabling among Veterans, and often fails to improve following the best available evidence-based treatments, particularly if more severe pathology is…
- Trial name
- NCT07697001
- Testing
- Behavioral Activation (BA), Supportive Care Therapy (SCT)
- Where
- United States
- Volunteers
- 136 people
- Sponsor
- VA Office of Research and Development
Cocaine Use Disorder, Cocaine Dependence
Ketamine and Neurofeedback-Training: Effects on Neuroplasticity in Cocaine Addiction
The goal of this clinical trial is to learn about the effects of the combination of ketamine and realtime functional magnetic resonance imaging (fMRI) neurofeedback training in individuals with cocaine use disorder.
- Trial name
- Co-Boost (NCT06125054)
- Testing
- Ketamine, real-time fMRI neurofeedback training
- Where
- Switzerland
- Volunteers
- 120 people
- Sponsor
- Dr. med. Marcus Herdener
Normal Physiology, fMRI
The Effect of Transcranial Magnetic Stimulation on Learning With Reward in Healthy Humans
Background: Two areas on the surface of the brain, the dorsolateral prefrontal cortex (DLPFC) and motor cortex (MC), play a key role during learning.
- Trial name
- NCT01260740
- Where
- United States
- Volunteers
- 174 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Drug Addiction, Vulnerability to Substance Addiction
Individual Differences in Reward and Impulse Control
Background: The risk for becoming addicted to drugs varies among individual, even those using similar drugs in a similar way. It is not known why some people become addicted and others do not.
- Trial name
- NCT01621607
- Where
- United States
- Volunteers
- 89 people, healthy volunteers welcome
- Sponsor
- National Institute on Drug Abuse (NIDA)
Schizophrenia Spectrum Disorders, Negative Symptoms in Schizophrenia
ENGAGE: Virtual Reality-based Psychotherapy for Negative Symptoms in Schizophrenia
The primary goal of this pilot study is to examine the feasibility and acceptability of a new Virtual Reality-based intervention against negative symptoms in schizophrenia spectrum disorders (SSD).
- Trial name
- ENGAGE (NCT06993831)
- Testing
- Virtual Reality-based psychotherapy
- Where
- Denmark
- Volunteers
- 30 people
- Sponsor
- Mental Health Centre Copenhagen, Bispebjerg and Frederiksberg Hospital
Healthy, Parkinson
Optimistic and Pessimistic Dopamine Signals in the Human Brain: a Mapping and Modelling Study in Health and Parkinson's Disease
The goal of this observational study is to investigate whether the healthy human brain shows a diversity of optimistic and pessimistic reward signals and whether changes in this distribution in Parkinson's disease (PD) can…
- Conditions
- Healthy, Parkinson, Medication Administration
- Trial name
- OPD (NCT07402928)
- Where
- Denmark
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Danish Research Centre for Magnetic Resonance
Overweight, Obesity
Cue-Reward Learning and Weight Gain in Youth
The objective of the study is to compare children at low risk for obesity (two healthy weight parents) to children at high risk for obesity (two overweight parents) in their response rate to food taste and in their rate of…
- Trial name
- ChildLearn (NCT03254576)
- Testing
- Functional MRI
- Where
- United States
- Volunteers
- 147 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Alcohol Use Disorder
The Role of Dopaminergic and Glutamatergic Neurotransmission for Dysfunctional Learning in Alcohol Use Disorders
The aim of this project is to assess reward- based learning behavior and its association with alterations in dopaminergic and glutamatergic transmission in detoxified alcohol-dependent patients and matched controls.
- Trial name
- LeADP5 (NCT02094196)
- Testing
- Alcohol detoxification
- Where
- 2 sites in Germany
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Technische Universität Dresden
Depression, Major Depressive Disorder
Reward Emotion Learning and Ketamine Study
Ketamine's efficacy as an antidepressant is now well established yet the mechanisms underlying its antidepressant effect are yet to be fully described.
- Conditions
- Depression, Major Depressive Disorder, Treatment Resistant Depression
- Trial name
- RELAKS (NCT04850911)
- Testing
- Ketamine Hydrochloride
- Where
- United Kingdom
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- University of Oxford
Alcohol Use Disorders
Learning and Relapse Risk in Alcohol Dependence
The aim of this project is to assess which behavioral and neuroimaging alterations associated with reward- based learning predict relapse in alcohol- dependent patients within a follow- up period of 12 months.
- Trial name
- LeAD (NCT01679145)
- Where
- 3 sites in Germany
- Volunteers
- 225 people, healthy volunteers welcome
- Sponsor
- Technische Universität Dresden
Breastfeeding, Breastfeeding Education
Improved Child Nutrition and Development Through Social Transfers
The goal of this clinical trial is to learn if a conditional social transfer works to improve rates of complementary breastfeeding.
- Conditions
- Breastfeeding, Breastfeeding Education, Breastfeeding Duration, Breastfeeding Continuation
- Trial name
- TENDER (NCT07569172)
- Testing
- Social Transfer
- Where
- Côte d’Ivoire
- Volunteers
- 1,040 people
- Sponsor
- Swiss Tropical & Public Health Institute
Hormonal Changes, Menstrual Cycle
Dopamine, Reward Learning and Sex Hormones
Hormonal transition periods during the menstrual cycle may predispose women to mental disorders. Hormonal fluctuations provide specific neuroendocrine conditions that modulate brain structure and function and these actions affect…
- Trial name
- NCT06365515
- Testing
- Levodopa administration
- Where
- Germany
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen