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36 studies
Recruiting now, in plain language. Every study is watched over by an independent ethics board.
- Anxiety
Self-Adjusted Nitrous Oxide: A Feasibility Study in the Setting of Vasectomy
Testing whether self-controlled nitrous oxide during vasectomy lowers pain and anxiety
📍 Beth Israel Deaconess Medical Center · Boston, MA · Get directions →
This study is being done to see if nitrous oxide during vasectomy decreases pain and anxiety, and also assess whether patients have better satisfaction when they control their own level of nitrous oxide during the procedure. If we find that patients experience less pain or anxiety with nitrous oxide, it could be suggested that self-adjusted nitrous oxide (SANO) may be a useful tool for improving experience of care during vasectomy.
- Obesity / overweight
Weight Loss Study: Genetics and Response to Naltrexone/Bupropion
Testing whether obesity genes predict weight loss from a diet and a medicine
📍 Columbia University Medical Center · New York, NY · Get directions →
The goal of this clinical trial is to understand if genetic variations are associated with the amount of weight loss with diet and while taking an FDA-approved medication for weight loss. The main question\[s\] it aims to answer are: * In Aim One, the investigators propose to rigorously test the hypothesis that presence of the Taq1A A1+ polymorphism is associated with greater weight loss with NB compared with the A1- genotype.
- Obesity / overweight
Pharmacotherapy in Conjunction With Lifestyle Counseling for Management of Weight Regain After Bariatric Surgery
Testing medicines plus lifestyle counseling to manage weight regain after bariatric surgery
📍 University of California Irvine Medical Center · Orange, CA · Get directions →
This is a randomized controlled trial employing a Sequential Multiple Assignment Randomized Trial (SMART) design to test whether pharmacotherapy, in conjunction with lifestyle counseling, can reverse weight regain after bariatric surgery.
- Parkinson's disease
A Study of CREXONT (Carbidopa and Levodopa) Extended-Release Capsules in Participants With Parkinson's Disease
Testing a carbidopa and levodopa extended-release capsule in people with Parkinson’s
📍 Barrow Neurological Institute · Phoenix, AZ · +26 more US sites · Get directions →
The primary purpose of this study is to evaluate efficacy and safety of CREXONT under real world conditions in participants with Parkinson disease (PD).
- Obesity / overweight
Effect of Lidocaine-Dexmedetomidine on Pain, Inflammation, and Oxidative Stress After Bariatric Surgery.
Testing if an IV medicine during bariatric surgery reduces pain and inflammation in adults with
📍 Hospital de Especialidades Centro Medico Nacional Siglo XXI · Mexico City, Mexico City · Get directions →
The goal of this randomized clinical trial is to find out whether giving an intravenous lidocaine + dexmedetomidine combination (LIDEX) during laparoscopic bariatric surgery can lower post-operative pain, inflammation, and oxidative stress in adults with obesity. The main questions it aims to answer are: * Pain control: Does LIDEX reduce pain 24 hours after surgery, as measured with the International Pain Outcomes Questionnaire (IPOQ)?
- Obesity / overweightHigh blood pressure
Impact GLP-1 Agonists Following Bariatric
Testing whether GLP-1 medicines after bariatric surgery affect weight and blood sugar
📍 University of Missouri Hospital · Columbia, MO · Get directions →
Glucagon-like peptide 1 (GLP-1) is a hormone that helps regulate blood glucose levels through improved insulin sensitivity and release of insulin from the pancreas, control hunger, induce satiety and plays a role in the metabolic health of a person. GLP-1 receptor agonists (GLP1-RAs) have been shown to be effective in achieving weight loss in patients with type 2 diabetes while improving blood glucose control.
- Obesity / overweight
Tirzepatide's Role in Postmenopausal HR+ Breast Cancer Survivors
Testing a weekly shot to see if it is practical and helps weight in some postmenopausal breast
📍 Weill Cornell Medicine · New York, NY · Get directions →
This study will explore whether tirzepatide is a practical and acceptable treatment for postmenopausal females with a history of hormone receptor-positive breast cancer and obesity. The investigators aim to understand whether participants are willing and able to take this medication once weekly for 6 months and whether it may help improve weight and overall health.
- Obesity / overweight
A Study to Investigate the Effectiveness of Tirzepatide (LY3298176) Following Initiation of Ixekizumab (LY2439821) in Participants With Moderate-to-Severe Plaque PsO and Obesity or Overweight in Clinical Practice (TOGETHER AMPLIFY-PsO)
Testing adding tirzepatide to ixekizumab for plaque psoriasis and weight issues
📍 Medical Dermatology Specialists · Phoenix, AZ · +39 more US sites · Get directions →
The main purpose of this study is to assess the effectiveness of adding tirzepatide to ixekizumab therapy in standard clinical practice in participants with moderate-to-severe plaque PsO and obesity or overweight with at least 1 weight-related comorbidity. The study will last up to 12 months.
- Obesity / overweightFatty liver disease (NASH/MASH)💵 May compensate
Fibrosis Lessens After Metabolic Surgery
Testing whether metabolic surgery can reduce liver scarring in obesity
📍 Banner Health Center · Phoenix, AZ · +3 more US sites · Get directions →
Metabolic dysfunction-associated steatotic liver disease (MASLD), formerly known as non-alcoholic fatty liver disease (NAFLD), a major global public health concern, is commonly associated with obesity, diabetes, and dyslipidemia. MASLD is currently the most common cause of chronic liver disease affecting about 80% of people with obesity, ranging from simple fat deposits in the liver to Metabolic Dysfunction-Associated Steatohepatitis (MASH), cellular injury, advanced fibrosis, cirrhosis, or hepatocellular carcinoma.
- Anxiety
Pharmacogenetically-guided Escitalopram Treatment for Pediatric Anxiety: Aiming to Improve Safety and Efficacy (PrEcISE)
Testing whether genetic-guided dosing of a daily anxiety medicine helps kids
📍 University of Cincinnati, Department of Psychiatry & Behavioral Neuroscience · Cincinnati, OH · Get directions →
This double-blind, 12-week study will consist include132 anxious youth who are randomized (1:1) to standard or pharmacogenetically-guided escitalopram dosing. Block randomization (1:1) will be stratified by sex and metabolizer status.
- Anxiety
Adjunctive Treatment With L-methylfolate for Treatment-Resistant Generalized Anxiety Disorder: a Pilot Study
Testing whether adding L-methylfolate is safe and tolerated for hard-to-treat anxiety
📍 Kingston Health Sciences Centre · Kingston, Ontario · Get directions →
The goal of this feasibility study is to determine the tolerability and safety of add on treatment with L-methylfolate in patients with treatment-resistant generalized anxiety disorder (GAD). The primary objective is to monitor for side effects and other risks associated with the treatment.
- Parkinson's disease
Cortical Electrophysiology of Response Inhibition in Parkinson's Disease
Studying how deep brain stimulation in Parkinson’s affects brain control of stopping actions
📍 Emory University Hospital · Atlanta, GA · +1 more US site · Get directions →
Patients with Parkinson's Disease will be studied before, during, and after a deep brain stimulation implantation procedure to see if the stimulation location and the size of the electrical field produced by subthalamic nucleus (STN) DBS determine the degree to which DBS engages circuits that involve prefrontal cortex executive functions, and therefore have a direct impact on the patient's ability to inhibit actions.
- Obesity / overweightHigh blood pressure💵 May compensate
Optimizing Portal Hypertension With TIPS and Interval Metabolic Surgery for Advanced Liver Disease
Testing treatments to lower high pressure in liver veins in people with advanced liver disease and
📍 Cleveland Clinic Main Campus · Cleveland, OH · Get directions →
Cirrhosis is a form of advanced liver disease that can lead to serious complications, especially when combined with severe obesity. Many patients with cirrhosis also develop a condition called clinically significant portal hypertension (CSPH), which is increased pressure in the veins of the liver.
- Parkinson's disease
BOOST-PD A Naturalistic Study on IPX-203 for Parkinson's Disease
Testing a new long-acting levodopa dose to improve “on” time in Parkinson’s
📍 Cleveland Clinic · Cleveland, OH · Get directions →
The purpose of this study is to evaluate the effect of IPX203 (Crexont®) - the newest extended-release levodopa formulation - on the duration and quality of good on time, using a wearable device to monitor symptoms. 'Good on time' refers to a period (minutes to hours) when a patient experiences optimal symptom control due to effective medication and has better overall functioning without troublesome dyskinesias.
- Obesity / overweight
GLP-1R Actions on Muscle and the Skeleton
Studying how GLP-1 weight loss affects muscles and bones in people with obesity
📍 Pennington Biomedical Research Center · Baton Rouge, LA · Get directions →
The GRAMS study objectives are to assess the musculoskeletal changes that occur after weight loss using GLP-1 based therapy. A lifestyle intervention with diet and exercise is included to assess any mitigating effects are provided, versus a control group with regular exercise and diet.
- Obesity / overweight
Metabolic and Behavioural Effects of CONTRAVE as Potential Mechanisms of Weight Loss in Adults With Obesity
Testing how CONTRAVE affects body and behavior changes linked to weight loss in adults with obesity
📍 LEAF Weight Managment Clinic · Ottawa, Ontario · Get directions →
Obesity is a common chronic disease linked with increased risk for other illnesses and earlier death. Our team and others have shown that many bodily and psychological changes occur when individuals are on calorie-restricted diets.
- Obesity / overweightKidney disease
Obesity Management for Kidney TRANSPLANTation: OK-TRANSPLANT 2
Studying weight-loss support for people with obesity and kidney disease who want a kidney transplant
📍 London Health Sciences Centre · London, Ontario · Get directions →
OK-TRANSPLANT 2 is a vanguard study for a large randomized, pragmatic, open-label trial. We will randomize participants with obesity, high-risk CKD/dialysis who are hoping for lose weight for the purpose of kidney transplant.
- Obesity / overweight
JOULE - Metabolic Adaptation to Weight Loss in Response to a Behavioural Lifestyle Program With or Without Semaglutide in Adolescents With Obesity
Testing how weight-loss lifestyle changes affect metabolism in teens with obesity, with or without
📍 McMaster University · Hamilton, Ontario · Get directions →
The Joule MARS study is a single center, randomized, open label clinical trial aiming to explore the metabolic adaptations that occur in response to weight management in adolescents with obesity. Behavioural lifestyle intervention with and without a pharmacological intervention - semaglutide- will be studied.
- Obesity / overweight
Improving Efficacity of Sleeve Gastrectomy With Naltrexone/Bupropion Extended-release Tablet
Testing whether naltrexone and bupropion tablets after sleeve
📍 Criucpq-Ul · Québec, Quebec · Get directions →
The goal of this clinical trial is to assess the impact of combination therapy with Naltrexone-Bupropion (NB) in the post-operative period of sleeve gastrectomy (SG). on a) weight loss, b) resolution of comorbidities and c) eating behaviors.
- Parkinson's disease
Pimavanserin vs. Quetiapine for Treatment of Parkinson's Psychosis
Comparing treatments to see which works better for hallucinations in Parkinson’s disease
📍 Southern Arizona VA Health Care System, Tucson, AZ · Tucson, AZ · +23 more US sites · Get directions →
Patients with Parkinson's disease (PD) sometimes experience symptoms affecting their movement, such as slowness, tremor, stiffness, and balance or walking problems. Many patients also have other symptoms not related to movement, called non-motor symptoms, which may affect one's mood or emotions, memory or thinking, or cause one to see or hear things that aren't real (hallucinations) or believe things that aren't true (delusions).
- Obesity / overweight💵 May compensate
Individualized Pharmacological Approach to Obesity in Patients With Bipolar Disorder
Testing how to choose weight-loss medicines for people with bipolar disorder
📍 Mayo Clinic · Rochester, MN · Get directions →
The goal of this clinical trial is to identify the specific characteristics (phenotypes) that may be useful to help select the right medication for weight loss, and to study the effect of individualized guided medication in patients with bipolar disorder ages 18-65. The main questions it aims to answer are: * Can the investigators compare the distribution of obesity characteristics (hungry brain, hungry gut, emotional hunger) between bipolar patients and non-bipolar participants (comparing from IRB #24-002375)?
- Obesity / overweight
The Effect of Tirzepatide on Menopausal Vasomotor Symptoms and Biological Aging in Post-menopausal Women With Obesity
Testing tirzepatide for hot flashes in post-menopausal women with obesity
📍 Mayo Clinic in Florida · Jacksonville, FL · Get directions →
The purpose of this study is to determine the effect of tirzepatide on vasomotor symptoms and on measures of biological aging.
- Obesity / overweight
2024 Tirzepatide-Bariatric Surgery
Testing whether taking tirzepatide before bariatric surgery helps outcomes for people with obesity
📍 University of Kentucky · Lexington, KY · Get directions →
This clinical trial will test whether preoperative tirzepatide treatment improves outcomes after bariatric surgery. The outcome of this study could impact therapeutic guidelines for the multimodal treatment of obesity.
- Dementia / Alzheimer'sParkinson's disease
Elucidating the Role of Cholinergic Degeneration in Cognitive Fluctuations in Lewy Body Dementia
Studying how nerve cell loss affects thinking ups and downs in Lewy body dementia
📍 Virginia Commonwealth University · Richmond, VA · Get directions →
The proposed study aims to address the critical gaps in understanding the mechanisms of CF (Cognitive Fluctuations) by leveraging recently emerged molecular biomarkers, advanced neuroimaging techniques to assess measures of cholinergic degeneration, and synchronous EEG and assessments of attention. One of the overarching innovations of study is combining all of these assessments into one integrated research plan
- Obesity / overweight
Effects of Semaglutide on Clinical Outcomes and Metabolic Inflammation in Psoriasis
Testing oral semaglutide plus psoriasis skin creams to see effects on symptoms and inflammation
📍 Hospital Universitario Dr. José E. González · Monterrey, N.L. · Get directions →
This study will evaluate the effects of oral semaglutide in combination with topical corticosteroid/calcipotriol on clinical outcomes and metabolic inflammation in patients with plaque psoriasis and overweight/obesity and/or type 2 diabetes mellitus. A total of 62 participants will be randomized to receive either semaglutide plus topical corticosteroid/calcipotriol or placebo plus topical corticosteroid/calcipotriol for 12 weeks.
- Obesity / overweightType 2 diabetesHeart / cardiovascular disease
Pioglitazone on Heart Failure in Type-2 Diabetes Mellitus Participants
Testing the diabetes medicine pioglitazone in people with type 2 diabetes, obesity, and heart
📍 Texas Diabetes Institute/UH · San Antonio, TX · Get directions →
Our goal of the study is to learn the effects of the diabetes medication named Pioglitazone, in type-2 diabetic obese participants with Heart failure. The main question it aims to answer are: 1.
- DepressionAnxiety
Processes and Circuitry Underlying Threat Sensitivity as a Treatment Target for Co-morbid Anxiety and Depression
Studying brain circuits for threat sensitivity in people with anxiety and depression
📍 Laureate Institute for Brain Research · Tulsa, OK · Get directions →
This mechanistic study uses an anti anxiety drug and brain imaging to study the threat processing system and associated brain circuits in people with depression, anxiety disorders and comorbid depression and anxiety disorders. In a double blind, placebo controlled crossover design, up to 65 individuals will be recruited who will have a diagnosis of major depressive disorder (MDD) and at least one anxiety disorder (AD) (AD-MDD group), up to 65 participants will have a diagnosis of MDD and no diagnosis of an AD and up to 65 participants will have no diagnosis of MDD and a diagnosis of at least one AD will be enrolled to participate in an two session study to obtain 150 completers (50 per group).
- Parkinson's disease
Personalized Real-Time DBS and PD Mechanisms
Studying how closed-loop deep brain stimulation and levodopa affect Parkinson’s motor symptoms
📍 Cleveland Clinic · Cleveland, OH · Get directions →
A prospective cohort of patients scheduled to undergo deep brain stimulation (DBS) implantation surgery for the treatment of Parkinson's disease as per standard of care will be invited to participate in this study. This mechanistic study is aimed at better understanding the role of basal ganglia beta band (11-35 Hz) oscillations and resonance in the manifestation of Parkinson's disease (PD) motor signs using closed-loop electrical neurostimulation, levodopa medication, and computational modeling.
- Anxiety
Trial With the Treatment of Sertraline in Youth With Generalized, Separation and/or Social Anxiety Disorders.
Testing sertraline in young people with different anxiety disorders
📍 University of Cincinnati · Cincinnati, OH · Get directions →
A Multicenter, acute, randomized, double-blind, placebo-controlled, flexible-dose trial with the treatment of sertraline.
- DepressionAnxiety
Acute and Long-Term Antidepressant Treatment Success in Adolescents With Anxiety (AtLAS-A)
Testing antidepressant treatment for anxious teens with anxiety and depression
📍 University of Cincinnati · Cincinnati, OH · Get directions →
Acute, double-blind, adaptively randomized treatment with duloxetine or escitalopram, followed by open-label naturalistic follow-up.
- Obesity / overweight
The Effects of Mirabegron and Tadalafil on Glucose Tolerance in Prediabetics
Testing whether two drugs for bladder and erections affect blood sugar in people with prediabetes
📍 University of Kentucky · Lexington, KY · Get directions →
The investigator hypothesizes that treatment with the ß3 agonist mirabegron results in improved glucose metabolism, including a reversal of prediabetes in obese, insulin-resistant human research participants, and this is further improved by combination therapy with tadalafil. The investigator will comprehensively analyze glucose homeostasis in prediabetic patients treated for 14 weeks with mirabegron, tadalafil or both drugs as compared to a placebo.
- Parkinson's disease
Characterization of the Serotonin 2A Receptor Selective PET Tracer [18F]MH.MZ in Patients With Neurodegenerative Diseases
Measuring serotonin 2A brain receptor activity in people with Parkinson’s
📍 Vanderbilt University Medical Center · Nashville, TN · Get directions →
It is hypothesize that patients with clinically diagnosed neurodegenerative diseases will have significantly different receptor occupancy of 5HT2A receptors compared to a healthy age/sex-matched control group. This will be tested by measuring 5HT2A receptor density using the PET radioligand (R)-\[18F\]MH.MZ in both populations.
- Dementia / Alzheimer'sParkinson's disease
Comparing Antipsychotic Medications in LBD Over Time
Comparing medicines to see which works better for hallucinations or delusions in Lewy body disease
📍 University Health System · San Antonio, TX · +1 more US site · Get directions →
The primary objective of this study is to determine whether treatment with pimavanserin or quetiapine is associated with a greater improvement in psychosis when used in a routine clinical setting to treat hallucinations and/or delusions due to Parkinson's disease (PD) or dementia with Lewy bodies (DLB) - collectively referred to as Lewy body disease (LBD).
- Obesity / overweight💵 May compensate
Metformin for Antipsychotic-induced Weight Gain in Adults With Intellectual Disability
Testing metformin for weight gain caused by antipsychotic drugs in adults with intellectual
📍 Centre for Addiction and Mental Health · Toronto, Ontario · Get directions →
People with IDD (intellectual and developmental disability) have very high rates of obesity and die prematurely from cardiometabolic disease. While antipsychotics contribute to this problem, their use is necessary and appropriate in a significant subgroup of individuals with IDD.
- Obesity / overweight
A Study to Investigate Effectiveness of Tirzepatide Following Initiation of Ixekizumab in Participants With Active Psoriatic Arthritis and Overweight or Obesity in Clinical Practice (TOGETHER AMPLIFY-PsA)
Testing whether adding tirzepatide to ixekizumab helps people with psoriatic arthritis and obesity
📍 AARA Clinical Research - Arizona Arthritis & Rheumatology Associates - Avondale · Avondale, AZ · +39 more US sites · Get directions →
The main purpose of this study is to assess the effectiveness of adding tirzepatide to ixekizumab therapy in standard clinical practice in participants with active PsA and obesity or overweight with at least 1 weight-related comorbidity. The study will last up to 12 months.
- Obesity / overweight
Tirzepatide in PWS, HO and GNSO
Testing a weight loss medication in young adults with Prader-Willi or hypothalamic obesity
📍 Children's Minnesota · Saint Paul, MN · +2 more US sites · Get directions →
This research study is comparing the effectiveness of a weight loss medication called Tirzepatide in young adults with Prader-Willi Syndrome and/or hypothalamic obesity, as compared to young adults with obesity that is unrelated to a genetic syndrome or underlying medical cause. These groups will be given medication for 1 year to see how weight and other health factors are effected by the medication.