Clinical trials: Comprehension
Anorexia Nervosa
Dopamine Receptor Contributions to Prediction Error and Reversal Learning in Anorexia Nervosa
Anorexia nervosa (AN) is an eating disorder associated with intense fear of weight gain, food refusal, and severe weight loss. AN has the highest mortality rate among the psychiatric disorders; however, little is known about…
- Trial name
- NCT04128683
- Testing
- amisulpride, bromocriptine
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Polycystic Ovarian Syndrome, Obesity
Post-Prandial Liver Glucose Metabolism in PCOS
The Investigators will measure if hepatic metabolism is upregulated in obese girls with PCOS and hepatic steatosis (HS), compared to PCOS without HS and obese controls without HS.
- Conditions
- Polycystic Ovarian Syndrome, Obesity, Hepatic Steatosis
- Trial name
- PLUM (NCT03041129)
- Testing
- oral glucose tolerance test, MRI of liver
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Gender Identity
TRANSLATE: Transgender and Gender Nonconforming Individuals' Access to Healthcare
Transgender and gender nonconforming (TGNC) individuals face a number of health disparities, many of which can be tied to a lack of access to or use of primary care.
- Trial name
- NCT03808883
- Testing
- TGNC Directed Advocacy Meetings, Facilitated Dialogues between TGNC Cohort and Healthcare Participants
- Where
- United States
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Case Western Reserve University
Healthy
National Survey to Understand Ethical, Legal and Social Issues in Communicating to the Public About Epigenetics
Few people realize that environmental pollution and some behaviors like physical activity and tobacco smoking can affect their health by "turning on" or "turning off" certain genes through a process called "epigenetic…
- Trial name
- NCT07020234
- Testing
- Epigenetics Video, Nanotechnology Video
- Where
- United States
- Volunteers
- 2,040 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Hearing Loss
Effect of Hearing Aid Labeling on Speech Understanding Measures
New and experienced hearing aid users will be fit with two hearing devices. One will be labeled as an OTC (Over-The-Counter) device, the other will be labeled as a Prescriptive (i.e. professionally fit) device.
- Trial name
- NCT05274178
- Testing
- Audeo P hearing aid labeled as "Prescriptive", Audeo P hearing aid labeled as "OTC"
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Sonova AG
Vitamin D Deficiency
Improving the Understanding of the Response to Vitamin D Supplementation
It is the investigators hypothesis that the current method of evaluating vitamin D status, measuring circulating 25-hydroxy vitamin D is not providing the full metabolic picture, and is therefore inadequate.
- Trial name
- NCT01465178
- Testing
- cholecalciferol
- Where
- United States
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Hot Flashes
Understanding Experimentally Induced Hot Flushes
The purpose of the study is to examine the impact of hot flushes on sleep, mood, and well-being. The investigators will cause hot flushes by giving study participants the hormone medication, leuprolide (Lupron), which is a…
- Trial name
- NCT00455689
- Testing
- Leuprolide acetate
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Hypertension
Understanding Pine Bark Extract as an Alternative Treatment (UPBEAT) Study
The purpose of this study is to investigate the efficacy of Flavangenol® (Toyo Shinyaku, Japan), a pine bark extract, in lowering blood pressure and improving glycemic control and plasma lipoprotein profile.
- Trial name
- NCT00425945
- Testing
- Pine Bark Extract (Flavangenol®)
- Where
- United States
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- Stanford University
Diabetes Mellitus, Type 2
Study to Understand the Genetics of the Acute Response to Metformin and Glipizide in Humans
The SUGAR-MGH investigators are studying the influence of inherited gene variants on the response to two commonly prescribed type 2 diabetes medications, metformin and glipizide.
- Trial name
- SUGAR-MGH (NCT01762046)
- Testing
- Glipizide, Metformin, Oral Glucose Tolerance Test
- Where
- 3 sites in United States
- Volunteers
- 1,033 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Asthma
Bronchodilator Response in 4-12 Years Chinese Controller Naive Asthmatic Children
Objectives: 1. To observe BDR distribution curve for Chinese non-asthmatic and controller-naïve asthmatic children from 4-12 years respectively 2.
- Trial name
- NCT01500525
- Where
- China
- Volunteers
- 587 people, healthy volunteers welcome
- Sponsor
- Capital Institute of Pediatrics, China
Waterpipe Size
Effect of Waterpipe Size on Smoking Behavior and Exposures
The goal of this clinical trial is to learn how waterpipe (WP) size affects smoking behavior, toxicant exposure, and subjective experiences in young adult WP smokers (ages 21-39).
- Trial name
- NCT05705375
- Testing
- Waterpipe size
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- The University of Texas at Arlington
Unconsciousness, Consciousness
UNderstanding CONSciousness Connectedness and Intraoperative Unresponsiveness Study
This study will be a single-site, controlled, unblinded study at the University of Wisconsin to examine changes in the electroencephalogram during anesthesia and waking.
- Trial name
- UN-CONSCIOUS (NCT03284307)
- Testing
- Dexmedetomidine, Ketamine, Propofol
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
COVID-19, SARS-CoV-2
Parent Study: Study Understanding Pre-Exposure pRophylaxis of NOvel Anitbodies (SUPERNOVA) Sub-study: Study Understanding Pre-Exposure pRophylaxis of NOvel Anitbodies (SUPERNOVA Sub-study)
AZD3152, a single mAb, is being developed to have broad neutralizing activity across known SARS-CoV-2 variants of concern for pre-exposure prophylaxis of COVID-19.
- Trial name
- SUPERNOVA (NCT05648110)
- Testing
- AZD5156 (Parent study Sentinel Safety Cohort), EVUSHELD™ (Parent study Main Cohort), AZD3152 (Parent study Main Cohort)
- Where
- 215 sites in United States, Australia and 16 more
- Volunteers
- 3,882 people, healthy volunteers welcome
- Sponsor
- AstraZeneca
Obesity
Study of Serum Markers for Cardiovascular Risk in Obese Youth and Impact of Lifestyle and Medication Intervention
In Protocol #2, we will select 30 obese pubertal and 30 obese prepubertal subjects with an abnormal cytokine profile (i.e. fibrinogen and/or hsCRP concentration greater than or equal to 2 Standard Deviations (SD) above the mean…
- Trial name
- NCT00139477
- Testing
- Metformin, Dietary modification with caloric restriction, Establishment of exercise protocol
- Where
- United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Nemours Children's Clinic
Healthy Participants
A Study to Understand the Effect of Low-Fat and High-Fat Meals on the Medicine Called PF-07284890 in Healthy Adults
The purpose of the study is to evaluate the effect of a low-fat and high-fat meal on the medicine called PF-07284890 following three single doses PF-07284890.
- Trial name
- NCT05349864
- Testing
- PF-07284890 Treatment A, PF-07284890 Treatment B, PF-07284890 Treatment C
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Pfizer
Shoulder Injuries, Musculoskeletal Injury
Shoulder Instability in Children: Muscle Activity and Movement
The aim of this study is to identify factors responsible for recurrent shoulder instability in children. Shoulder instability, i.e.
- Conditions
- Shoulder Injuries, Musculoskeletal Injury, Pediatric ALL, Dislocation, Shoulder
- Trial name
- NCT04311216
- Testing
- 3D movement analysis with surface electromyography
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Robert Jones and Agnes Hunt Orthopaedic and District NHS Trust
Understand the Effects of tACS on the Brain
Investigating Transcranial Alternating Current Stimulation (tACS) Preconditioning Effects on Resting and Active Motor Threshold
Previous studies have looked at the potential of using transcranial direct current stimulation (tDCS) to prime the brain in order to lower the resting motor threshold.
- Trial name
- NCT05503823
- Testing
- tACS or tRNS and TMS
- Where
- Canada
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of Manitoba
Hearing Loss, Sensorineural
Spectral Dynamics and Speech Understanding by Hearing Impaired People
The purpose of this program of research is to understand the perception of the dynamic spectral properties of speech by hearing-impaired listeners, with the long-term goal of improving speech understanding by these individuals in…
- Trial name
- NCT01867515
- Testing
- Acoustic distortion of speech
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Aging
Daily Activity Study of Health: Increasing Physical Activity in Aging
In this six-week behavioral intervention, sedentary older adults will receive daily health messaging via their smart phone to better understand their daily activities and emotions.
- Trial name
- DASH (NCT04315363)
- Testing
- Motivational MRI and Behavioral Intervention, Control MRI and Behavioral Intervention
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Northeastern University
COVID-19
Evaluating Public Health Interventions to Improve COVID-19 Testing Among Underserved Populations
The COVID-19 pandemic has disproportionately affected people from underserved and vulnerable populations such as low-income/uninsured, unhoused, and immigrant communities.
- Trial name
- NCT05270694
- Testing
- Public Health Intervention Package
- Where
- 3 sites in United States
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- Kathleen Fairfield