Clinical trials: Visual Suppression
Memory
Intrusive Reexperiencing: The Role of Working Memory Capacity and Thought Suppression
This study aims at identifying risk factors for the development of intrusive reexperiencing symptoms. In particular, the investigators examine the influence of working memory capacity and thought suppression on the occurrence of…
- Trial name
- NCT01007682
- Testing
- Show distressing movie and tell half of the two study groups to suppress memories of the movie
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Puberty, Hyperandrogenism
Acute Progesterone Suppression of Wake vs. Sleep Luteinizing Hormone Pulse Frequency in Pubertal Girls With and Without Hyperandrogenism
The purpose of this study is two-fold. (1) We will determine if in mid- to late pubertal girls without hyperandrogenism (HA), progesterone (P4) acutely reduces waking luteinizing hormone (LH) frequency to a greater extent than…
- Trial name
- CRM003 (NCT00929006)
- Testing
- Micronized progesterone suspension
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University of Virginia
Weight Loss, Starvation
Effect of Caloric Restriction and Protein Intake on Metabolism and Anabolic Sensitivity
The purpose of this study is to determine if an increased protein intake can attenuate the suppression of metabolic and anabolic hormones during caloric restriction
- Trial name
- NCT02945410
- Testing
- Caloric Restriction, Protein, Exercise
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Nebraska Lincoln
Healthy Subjects, Obesity
Glucagon Modulation of Ghrelin Secretion
As a counterregulatory hormone for insulin, glucagon plays a critical role in maintaining glucose homeostasis in vivo. It is well known that intramuscular glucagon administration stimulates growth hormone (GH)…
- Conditions
- Healthy Subjects, Obesity, Diabetes Mellitus, Type 1
- Trial name
- NCT00929812
- Testing
- Glucagon hydrochloride (GlucaGen®), NaCl 0.9%
- Where
- Germany
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Charite University, Berlin, Germany
Intervention Group, Comparison Group
Effects of Semantically Irrelevant Virtual Reality Experience on Memory and Emotion
First responders at the Federal, State and local level are those on the front lines of providing support to their communities during an emergency or a disaster.
- Conditions
- Intervention Group, Comparison Group, Control Group
- Trial name
- FIRM (NCT07393776)
- Testing
- Watching VR video, Reading text
- Where
- United States
- Volunteers
- 156 people, healthy volunteers welcome
- Sponsor
- Texas Tech University
Weight Loss, Obesity
Noom Health for Weight Management
The goals of the study are to use the Noom mobile app to help individuals with weight loss and weight loss maintenance. This project will test the comparative efficacy of Noom Health vs.
- Trial name
- NCT04797169
- Testing
- Noom Health, Noom Digital Health
- Where
- United States
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Icahn School of Medicine at Mount Sinai
Adrenal Insufficiency
Adrenal Suppression and Adrenal Recovery Induced by Megestrol Acetate
Megestrol Acetate (MA) is a progesterone-like hormone that has been utilized as a birth control agent, chemotherapeutic drug, and more recently, to induce appetite and weight gain in patients malnourished as a result of radiation…
- Trial name
- NCT00575029
- Testing
- megestrol acetate
- Where
- United States
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- University of Arkansas
Musculoskeletal Injury, Hypogonadism
Adaptions and Resiliency to Multi-Stressor OpeRations
Non-combat-related muscle, tendon and bone injuries are the most common injuries suffered by military personnel, particularly in new recruits.
- Conditions
- Musculoskeletal Injury, Hypogonadism, Hormonal Contraception
- Trial name
- ARMOR (NCT06455969)
- Testing
- Goserelin 3.6 MG, Multi-Stressor Training, Testosterone gel (AndroGel 5g)
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Bradley Nindl
Healthy
Sensory-motor Interactions in the Perception of Vowels: a Study in Repetition - Suppression
The aim of our study is to show by fMRI the involvement of the motor system in the perception of speech, and more particularly how this implication is modulated by the degree of prototypicity of the stimuli.
- Trial name
- NEUROPHONE (NCT03102983)
- Testing
- MRI functional
- Where
- France
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
Hives
Assessment of Suppression of Cutaneous Allergic Responses and Pruritus by Topical Doxycycline
Investigators will study the effects of topical doxycycline on cutaneous allergic early and late phase responses by determining allergen skin responses in each subject after a single application to allergen induced allergic…
- Trial name
- NCT03968562
- Testing
- 2% Doxycycline Cream in Generic Aquaphor or Generic Aquaphor
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- State University of New York - Downstate Medical Center
Parkinson Disease, Essential Tremor
Analysis and Suppression of Tremor During Grasp Using Ultrasound Imaging and Electrical Stimulation
Individuals experiencing tremors face difficulty performing activities of daily living caused by involuntary oscillation of the muscles in the hands and arms.
- Trial name
- Tremor (NCT05308368)
- Testing
- Ultrasound Imaging, Electromyography, Inertial Measurement Units (IMU)
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- North Carolina State University
HIV, Prophylaxis
Pre-Exposure Prophylaxis (PrEP)- Gender Affirming Hormone Therapy (GAHT) Interactions in TGW
This is a research study to determine the best way to dose Truvada®, an oral medication licensed to be taken as Pre-Exposure Prophylaxis (PrEP) to prevent HIV infection, in transgender women who are also taking feminizing…
- Conditions
- HIV, Prophylaxis, Transgender
- Trial name
- NCT04760691
- Testing
- Truvada alone, Truvada plus Leuprolide 11.25mg intramuscular injection, Truvada plus Estradiol 1 mg
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
HIV, Adherence
Caregiver Peer Support and ART Adherence Among Children
Adherence for children living with HIV is a by-proxy phenomenon dependent on caregivers (parents, relatives or unrelated guardians) who may or may not be living with HIV.
- Trial name
- CaPS (NCT04222270)
- Testing
- Champion Caregiver peer mentoring support to caregivers on child care and medication adherence to enhance achievement of viral suppression
- Where
- Nigeria
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- Institute of Human Virology, Nigeria
Dystonia, Focal Dystonia
Brain Changes in Blepharospasm
This study will examine the role of certain areas of the brain in blepharospasm, a type of dystonia (abnormality of movement and muscle tone) that causes unwanted or uncontrollable blinking or closing of the eyelids.
- Conditions
- Dystonia, Focal Dystonia, Cerebellar Disease
- Trial name
- NCT00487383
- Where
- United States
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
HIV/AIDS, Violence
Effectiveness of Transdiagnostic Cognitive Behavioral Therapy for Improving HIV Treatment Outcomes in South Africa
This study will evaluate the impact of the Common Elements Treatment Approach (CETA), an evidence-based intervention comprised of cognitive-behavioral therapy elements, at improving HIV treatment outcomes among women with HIV who…
- Trial name
- CETA (NCT04242992)
- Testing
- CETA, Short Message Service (SMS) text reminders
- Where
- South Africa
- Volunteers
- 399 people, healthy volunteers welcome
- Sponsor
- Boston University
Depression, Schizophrenia
Repetitive Transcranial Magnetic Stimulation (rTMS) and P50 Evoked Potential Component
The repetitive transcranial magnetic stimulation (rTMS) is a recent technique that has demonstrated its efficiency in both depression and schizophrenia.
- Trial name
- rTMS-P50 (NCT01466439)
- Testing
- high-frequency of repetitive transcranial magnetic stimulation (rTMS), low frequency of repetitive transcranial magnetic stimulation (rTMS)
- Where
- France
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University Hospital, Caen
Inflammation
Suppression of Postprandial Monocyte Activation by Blueberries or Docosahexaenoic Acid in Humans
The overall goal of the research study is to determine whether a high-fat meal causes postprandial (after meal) inflammation, and whether eating n-3 polyunsaturated fatty acids (PUFAs) or blueberries that are rich in…
- Trial name
- NCT02472171
- Testing
- High saturated fat meal, blueberry powder and sunflower oil
- Where
- United States
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- USDA, Western Human Nutrition Research Center
Adrenal Insufficiency, Osteopenia, Osteoporosis
Effect of Adrenocorticotropic Hormone on Vascular Endothelial Growth Factor Release in Children Study
Bone disease and adrenal suppression are two of the many side effects of steroid use in pediatrics. Evidence has shown that adrenocorticotropic hormone (ACTH) protects against the adverse bone effects of steroids in animals and…
- Conditions
- Adrenal Insufficiency, Osteopenia, Osteoporosis, Steroid Suppression of ACTH Secretion
- Trial name
- NCT03709381
- Testing
- Low Dose Cosyntropin (ACTH) stimulation test, High Dose Cosyntropin (ACTH) stimulation test
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Nationwide Children's Hospital
Infections, Herpesviridae
VALTREX Once Daily For Viral Shedding In Herpes Simplex Virus 2 (HSV-2) Seropositive Subjects. VALTREX® Tablet is a Trademark of GlaxoSmithKline Group of Companies.
Eligible subjects will be randomized to receive VALTREX® tablet 1g or placebo once daily for 60 days in a two-way crossover study with a washout period of 7 days between treatment periods.
- Trial name
- NCT00116844
- Testing
- Valaciclovir
- Where
- 17 sites in United States
- Volunteers
- 73 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Clostridium Difficile
Effects of Gastric Acid on Colonic Microbiome
The colonic microbiome is essential in human health and disease. Clostridium difficile-associated diarrhea (CDAD), a highly morbid form of infectious diarrhea, is caused by antibiotics which perturb the microbiome and allow C.
- Trial name
- NCT01901276
- Testing
- Omeprazole 40 mg bid
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Daniel Freedberg, MD