Clinical trials: Anhedonia
Depression, Anhedonia
Multimodal Differences in Effort-based Decision-Making in Depression
Major depressive disorder (MDD) is a serious condition that causes long-term symptoms such as feeling sad, losing interest in activities, and having thoughts of self-harm.
- Trial name
- BBQS (NCT06648460)
- Testing
- Effort-based Decision-Making Task
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Georgia Institute of Technology
Healthy
Chatbot Intervention Effects on Resting-State Brain Function in Anhedonia
The main aim of the present study is to investigate the effects of a Motivational Interviewing-based artificial intelligence chatbot on resting-state brain function in college students with elevated anhedonia and depressive…
- Trial name
- NCT07665216
- Testing
- MI Chatbot Interaction, Active Control Chatbot Interaction
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Electronic Science and Technology of China
Anhedonia, Depressed Mood
Depressed Mood and Anhedonia in Healthy Adults
The aim of this study is to evaluate the effect of nutraceutical supplement on depressed mood and anhedonia in volunteers after 8 weeks of consumption.
- Trial name
- MOOD5 (NCT05306093)
- Testing
- Nutraceutical, Maltodextrin
- Where
- France
- Volunteers
- 94 people, healthy volunteers welcome
- Sponsor
- Institut Pasteur de Lille
Healthy Participants, Anxiety Disorders (With High Anxiety Symptoms)
tVNS and Approach-Avoidance Behavior in Anhedonia and Anxiety
This study investigates if anhedonia and anxiety symptoms are associated with alterations in reinforcement learning, effort trade-offs for wins vs. punishments, and foraging behavior under threat.
- Conditions
- Healthy Participants, Anxiety Disorders (With High Anxiety Symptoms), Depressive Disorders (With High Anhedonia Symptoms), Comorbid Depression and Anxiety Disorder (With High Anhedonia and High Anxiety Symptoms)
- Trial name
- NCT07476469
- Testing
- tVNS
- Where
- Germany
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- Dr. Nils B. Kroemer
Major Depressive Disorder, Anhedonia
Kappa Opioid Receptor Imaging in Depression (KOR Depression)
The purpose of this study is to use positron emission tomography (PET) imaging to measure the activity of the kappa opioid receptor (KOR) in the brains of depressed and non-depressed individuals.
- Trial name
- NCT02236702
- Testing
- Positron Emission Tomography (PET) imaging
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- NYU Langone Health
Anhedonia
REward Processing And Citalopram Study
The goal of this experimental medicine study is to examine the effect of increasing serotonin on reward processing in healthy volunteers. The main questions it aims to answer are: 1.
- Trial name
- REPAC (NCT06017037)
- Testing
- Citalopram 20mg
- Where
- United Kingdom
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Oxford
Major Depressive Disorder
Neutralizing Interleukin (IL)-6
The proposed study aims to establish the feasibility and safety of subcutaneous tocilizumab, a monoclonal antibody (mAb) against interleukin (IL)-6 receptor, in adults with Major Depressive Disorder (MDD) and evidence of…
- Trial name
- NCT07493317
- Testing
- Tocilizumab
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Icahn School of Medicine at Mount Sinai
Major Depressive Disorder
Sex, Hormones and Gamma-Aminobutyric Acid (GABA) in Stress Induced Anhedonia in Depression
Using an innovative multi-modal imaging approach, this study investigates the role of the neurochemical gamma-aminobutyric acid (GABA), brain activity, as well as hormones in understanding sex differences in Major Depressive…
- Trial name
- NCT03031665
- Where
- United States
- Volunteers
- 251 people, healthy volunteers welcome
- Sponsor
- Mclean Hospital
Depression, Involutional
Function of Catecholamines in the Brain During Depression
This study will explore brain function related to depressive symptoms and will examine DNA for genes that may be involved in depressive disorders, particularly genes that regulate synthesis and metabolism of the brain…
- Trial name
- NCT00082030
- Where
- United States
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Depression - Major Depressive Disorder, Anhedonia
Elucidating the Relevance of the Psychedelic Experience to Psilocybin's Anti-Anhedonic Effects
The goal of this clinical trial is to systematically categorize potential prohedonic effects of psilocybin in patients with anhedonia in depression. The main questions it aims to answer are: Primary Objectives 1.
- Trial name
- NCT07490353
- Testing
- Psilocybin (Usona Institute), Risperidone 1 MG, MRI
- Where
- Austria
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Long COVID, Major Depressive Disorder
Presynaptic Imaging in Major Depressive Episodes After COVID-19
The goal of this observational study focuses on understanding and addressing a subset of persistent neuropsychiatric symptoms occurring within 3 months after mild to moderate COVID-19 infection (COVID-DNP).
- Conditions
- Long COVID, Major Depressive Disorder, Major Depressive Episode
- Trial name
- PCOV (NCT06086366)
- Testing
- [11C]DTBZ PET scan, [18F]SDM8 PET scan, MRI scan
- Where
- Canada
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Centre for Addiction and Mental Health
Stress, Anhedonia
Brain Mechanisms of Emotion and Motivation: A Mind-Body Study
The purpose of this research study is to investigate how the brain processes emotions, and the way these processes affect behavior.
- Conditions
- Stress, Anhedonia, Healthy
- Trial name
- MIDAS (NCT01850472)
- Where
- United States
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- Mclean Hospital
Anhedonia
Serotonin-receptor Agonism in Reward Processing
There is growing animal and human evidence for role of 5HT1A receptor agonism in treating depression and reward deficits. The next step is to translate this evidence directly into humans by characterising the effects of…
- Trial name
- SARP (NCT05357547)
- Testing
- Buspirone 20mg
- Where
- United Kingdom
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- University of Oxford
Major Depressive Disorder
Effects of Ghrelin Administration on Motivation
Everyday humans are confronted with a plethora of rewards competing for their attention. Nevertheless, to obtain a goal or reward, humans often need to invest effort.
- Trial name
- NCT06576440
- Testing
- Ghrelin, Saline
- Where
- Germany
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen
Anhedonia
Dissociating Components of Anhedonia: A Pilot fMRI Study
Anhedonia, decreased motivation for and sensitivity to rewarding experiences, is present in at least 1/3 of community dwelling older adults and is a feature of various psychiatric and neurological disorders, including late-life…
- Trial name
- NCT02569034
- Testing
- Functional Magnetic Resonance Imaging, Effort-Expenditure for Rewards Task
- Where
- United States
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- University of Florida
Smoking
Effects of Quitting Study A Test of Pre-clinical Findings
The most widely-accepted animal model of nicotine withdrawal states stopping nicotine makes rewarding events become less rewarding. The current study will test if this is true in humans.
- Trial name
- NCT01824511
- Testing
- Smokers cease smoking
- Where
- 2 sites in United States
- Volunteers
- 287 people, healthy volunteers welcome
- Sponsor
- University of Vermont
Anhedonia, Depression
A Neurobiological Model of Anhedonia
The purpose of this research study is to better understand anhedonia in Major Depressive Disorder by investigating the reward-related neural and inflammatory correlates.
- Trial name
- NCT05629520
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Milton S. Hershey Medical Center
Anhedonia, Inflammation
Aging and Reward System Response to Inflammation and Anxiety Study
The purpose of this study is to use an experimental inflammatory challenge to examine whether older adults with symptoms of anxiety experience loss of pleasure or loss of motivation when they are exposed to inflammation.
- Conditions
- Anhedonia, Inflammation, Anxiety, Aging
- Trial name
- ARIA (NCT05363527)
- Testing
- Endotoxin
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of California, Los Angeles
Anorexia Nervosa
Auditory Sensory Attenuation in Anorexia Nervosa
The goal of this observational cross-sectional study is to test the sensory attenuation effect with auditory stimuli comparing women affected by anorexia nervosa and healthy-weight women.
- Trial name
- UdSA_AN (NCT06298526)
- Where
- Italy
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Istituto Auxologico Italiano
Anhedonia
Examining Reward-Related Predictors and Mechanisms of Change in BA Treatment for Anhedonic Adolescents
The prevalence of major depressive disorder (MDD) is relatively low in childhood (i.e., 1-3%), but increases substantially during adolescence.
- Trial name
- NCT02498925
- Testing
- Behavioral Activation
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Mclean Hospital