Clinical trials: Concentration
Healthy
Examine Plasma Concentrations of Buprenorphine Following Reapplication of Buprenorphine Transdermal System (BTDS) After Variable Application Site Rest Periods
The purpose of this study is to determine the pharmacokinetics of BTDS following same-site patch reapplication after rest intervals.
- Trial name
- NCT01259102
- Testing
- Buprenorphine transdermal patch
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Purdue Pharma LP
PreDiabetes, Impaired Fasting Glucose (IFG)
Metformin and Its Impact on the Substances Associated With NO Production in Prediabetes Patients.
This study evaluates the effect of different doses of metformin on the function of endothelium in people with pre-diabetes. One group of the patients will receive metformin in dose: 1500 mg, the second one will receive 3000…
- Conditions
- PreDiabetes, Impaired Fasting Glucose (IFG), Impaired Glucose Tolerance (IGT)
- Trial name
- NCT03398356
- Testing
- Metformin
- Where
- Poland
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Wroclaw Medical University
Obesity, Pharmacokinetics
Effect of Weight and/or Obesity on Sulfamethoxazole and Trimethoprim Concentrations
This study will find how weight affects the dosing of a drug called sulfamethoxazole and trimethoprim. Currently, the amount of sulfamethoxazole and trimethoprim a patient receives is the same regardless of the patient's weight.
- Conditions
- Obesity, Pharmacokinetics, MRSA, Tuberculosis
- Trial name
- NCT01167452
- Testing
- Sulfamethoxazole/trimethoprim
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Texas Tech University Health Sciences Center
Attention Deficit Hyperactivity Disorder, Attention Deficit Disorder
Network Control TMS fMRI
This study uses different types of functional magnetic resonance imagining (fMRI) to generate individual transcranial magnetic stimulation (TMS) targets.
- Conditions
- Attention Deficit Hyperactivity Disorder, Attention Deficit Disorder, Working Memory
- Trial name
- NCT05736458
- Testing
- Transcranial Magnetic Stimulation (TMS), High controllability TMS target
- Where
- United States
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania
Attention Deficit Hyperactivity Disorder
Animal Assisted Intervention With Dogs for Children With ADHD
This pilot study aims to replicate results of a previously studied novel, non-pharmacological psychosocial intervention for children with ADHD, utilizing an Animal Assisted Intervention with therapy dogs combined with traditional…
- Trial name
- PACK-PM (NCT05102344)
- Testing
- Behavioral Social Skills Training, Animal Assisted Intervention
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- University of California, Irvine
Staphylococcus Aureus Infection
Study of the Nasal Decolonisation of Staphylococcus Aureus (SA) and the Safety and Tolerability of XF-73 Nasal Gel in Healthy Subjects
Study to determine the efficacy, safety and tolerability of two concentrations of XF-73 nasal gel in combination with body and face washing with chlorhexidine gluconate cloths in eradicating nasal carriage of Staphylococcus…
- Trial name
- NCT02282605
- Testing
- XF-73 nasal gel, Chlorhexidine gluconate 2% topical cloths
- Where
- United Kingdom
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Destiny Pharma Plc
Healthy
Effects of Vortioxetine (Lu AA21004) on the Concentrations of Selected Neurotransmitters in Healthy Male Adults
The purpose of this study is to evaluate the pharmacodynamics (the drug's effect on the body), the pharmacokinetics (the body's handling of the drug), and the safety and tolerability of vortioxetine, once daily (QD) in healthy…
- Trial name
- NCT01299805
- Testing
- Vortioxetine
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Takeda
ADHD
Proton Magnetic Spectroscopy in Children and Adolescents With ADHD Before and After Treatment With OROS Methylphenidate
This will be an open label study using daily does of up to 126mg/day of Concerta in the treatment of children and adolescents, ages 12-17, who meet DSM-IV criteria for ADHD.
- Trial name
- NCT00593112
- Testing
- OROS methylphenidate, No intervention
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Attention Deficit Hyperactivity Disorder Symptoms
Implementation Strategy Resource Package for Behavioral Classroom Interventions: Pilot Test
The purpose of this study is to pilot test for feasibility and initial promise an implementation strategy resource package that aims to support teachers in using behavioral classroom management interventions for children with…
- Trial name
- NCT05489081
- Testing
- Positive Behavior Management Toolkit
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Children's Hospital of Philadelphia
ADHD, ADD
ADHD Electrophysiological Subtypes and Implications in Transcranial Direct-current Stimulation
In the present study the aim is to examine whether transcranial direct-current stimulation (tDCS) generated excitability changes and induce modifications of functional cortical architecture in Attention Deficit Hyperactivity…
- Trial name
- tdcs&adhd (NCT01649232)
- Testing
- Active tDCS
- Where
- United Kingdom
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Spanish Foundation for Neurometrics Development
Healthy, Brain Stimulation
Effects of Transcranial Electrical Stimulation on Task Performance in Healthy Adults
The objective of this randomized, double-blind, sham-controlled, crossover study is to evaluate the effects of transcranial electrical stimulation (tES) on complex cognitive task performance in healthy adult volunteers.
- Conditions
- Healthy, Brain Stimulation, Transcranial Direct Current Stimulation (tDCS), Cognition
- Trial name
- BRAIN-STIM (NCT06995560)
- Testing
- Active Transcranial Electrical Stimulation
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Alcohol Abuse, Cognitive Deficit in Attention
Pilot Study on Training Emerging Adults Skills in Navigating College
Lifetime risk for developing an alcohol use disorder increases with earlier onset of alcohol consumption. This risk may reflect a tendency for escalated alcohol intake among youth due to immature executive control, leading to…
- Trial name
- SINC (NCT05560425)
- Testing
- Koru Mindfulness (KM) Training, Navigating College (NC) Training
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Menopause, Brain Activity
LDX and Functional Magnetic Resonance Imaging (fMRI in Menopausal Women
This study seeks to assess the effects of lisdexamfetamine (trademark name: Vyvanse; LDX) on executive function and prefrontal cortex activation in menopausal women ages 45-57, who report subjective cognitive difficulties.
- Conditions
- Menopause, Brain Activity, Cognition
- Trial name
- NCT01977625
- Testing
- Lisdexamfetamine
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania
Healthy Aging
Using Teleneuropsychology to Optimize Cognition in Healthy Aging: the Web-based Breakfast Game
Executive control processes involve initiate, coordinate, synchronize, and regulate elemental cognitive functions for the conduct of goal-directed behavior.
- Trial name
- NCT05506852
- Testing
- Web-based training strategy, Web-based regular training (no strategy)
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Columbia University
Hypoxemia, Trauma
Comparison of Pharyngeal Oxygen Delivery by Different Oxygen Masks
The intent of this study is to determine the difference in pharyngeal oxygen concentration in patients who have a natural airway (not intubated) using commonly available oxygen delivery systems.
- Conditions
- Hypoxemia, Trauma, Acute Myocardial Infarction
- Trial name
- NCT02523586
- Testing
- Oxygen administration
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Embryonic Development, Embryo Morphokinetics
Embryo Culture Under Constant 5% vs Gradient 8%, 5%, 2% Oxygen Concentration
The purpose of this study is to investigate the development of human embryos in vitro under two different oxygen concentrations; a static 5% during all five days of culture or under an oxygen gradient, starting with 8% from day-0…
- Conditions
- Embryonic Development, Embryo Morphokinetics, Embryo Morphometry
- Trial name
- NCT05898178
- Testing
- Experimental intervention: 8-5-2% oxygen gradient concentration in the incubator
- Where
- Slovenia
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- University Medical Centre Maribor
Healthy, Attention Deficit Hyperactivity Disorder
Control of Cognition (Naltrexone, Methylphenidate, and ADHD Study (NMAS))
The goal of this research is to understand the functioning of 'regulatory circuits' in the brain. We are also interested in how the medications methylphenidate and naltrexone affect these regulatory circuits.
- Trial name
- NMAS (NCT01993108)
- Testing
- Methylphenidate, Naltrexone
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Schizophrenia
A Positron-Emission-Tomography (PET) Study to Measure the Blockade of Dopamine Receptors (D2) in Specific Areas of the Brain in Relation to the Plasma Concentrations of Paliperidone Extended Release (ER) and Oral Risperidone in Schizophrenia Patients and Healthy Controls
The primary objective of this study is to compare the effect of two different antipsychotic compounds which are used in the treatment of schizophrenia (paliperidone ER and risperidone) at their target sites in two specific areas…
- Trial name
- NCT00934635
- Testing
- Paliperidone ER, Oral risperidone, PET Scan
- Where
- Germany
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Janssen-Cilag G.m.b.H
Cognition, Stress Reaction
rTMS to Enhance Cognitive Performance and Promote Resilience
The purpose of this study is to determine the most effective dose of brief, non-invasive brain stimulation (repetitive transcranial magnetic stimulation, rTMS) for improving cognitive functions such as attention and memory as…
- Trial name
- NCT04123496
- Testing
- rTMS
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Medical University of South Carolina
Erosive Esophagitis, Heartburn
A Study to Evaluate Vonoprazan Concentrations in Breast Milk of Healthy Lactating Women Receiving Vonoprazan 20 mg Once Daily or Vonoprazan 20 mg Twice Daily
The primary objective is to determine the pharmacokinetics (PK) of vonoprazan in breast milk of healthy lactating women who have received vonoprazan administered once daily or vonoprazan 20 mg administered twice daily for 4…
- Conditions
- Erosive Esophagitis, Heartburn, Symptomatic Nonerosive Gasroesophageal Reflux Disease, Helicobacter Pylori Infection
- Trial name
- NCT06391177
- Testing
- Vonoprazan
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Phathom Pharmaceuticals, Inc.