Concentration Clinical Trials

1 recruiting

Concentration Trials at a Glance

16 actively recruiting trials for concentration are listed on ClinicalTrialsFinder across 6 cities in 9 countries. The largest study group is Not Applicable with 7 trials, with the heaviest enrollment activity in Glasgow, Dallas, and Kansas City. Lead sponsors running concentration studies include University of Glasgow, Dr Lisa Houghton, and Department of Paediatric Perioperative Medicine and Intensive Care, Karolinska University Hospital.

Browse concentration trials by phase

Treatments under study

About Concentration Clinical Trials

Looking for clinical trials for Concentration? There are currently 1 studies actively recruiting participants. Clinical trials offer access to new treatments before they are widely available, and every approved therapy in use today was first tested through a clinical trial.

Below you can browse trials, sign up for alerts when new Concentration trials open, and view eligibility criteria for each study. Each listing includes the study phase, locations, and enrollment details.

Frequently Asked Questions

Common questions about Concentration clinical trials

A clinical trial is a carefully designed research study that tests new medical treatments, drugs, devices, or approaches in human volunteers. Every approved medication and treatment available today was proven safe and effective through clinical trials.

All clinical trials are reviewed and approved by Institutional Review Boards (IRBs) — independent committees that evaluate patient safety. Trials follow strict protocols, and your health is monitored closely throughout. You can withdraw at any time.

Not necessarily. Many trials compare the new treatment against the current standard of care, meaning all participants receive active treatment. When placebos are used, they are typically combined with standard treatment, not given alone. The trial description will always specify the design.

Under the Affordable Care Act, most private insurers are required to cover routine patient care costs during a clinical trial. The sponsor typically covers the investigational treatment itself. Medicare also covers routine costs for qualifying trials.

Yes. Participation is completely voluntary. You can withdraw at any time, for any reason, without it affecting your access to standard medical care.

Each trial has specific eligibility criteria — including age, diagnosis, disease stage, prior treatments, and general health. Browse the trials listed above and check their eligibility sections. You can also contact the trial site directly to discuss your situation.

Showing 116 of 16 trials

Recruiting
Not Applicable

Effects Of Dietary Fats on Gut Microbiota Composition and Metabolic Activity in Healthy Adults

Inflammation BiomarkersGut Microbiota Diversity and CompositionShort Chain Fatty Acids Concentration in Stools+1 more
University of Glasgow64 enrolled1 locationNCT07550023
Recruiting
Not Applicable

The Effect of Vitamin C Supplementation on Gut Microbiota Composition and Function in Healthy Adults

Gut Microbiota Diversity and CompositionShort Chain Fatty Acids Concentration in Stools
University of Glasgow23 enrolled1 locationNCT07388121
Recruiting
Not Applicable

Remotely Supervised tDCS+ for Complex Attention in mTBI (Cognetric)

Brain TraumaNeurocognitive DysfunctionMild Cognitive Impairment+8 more
United States Naval Medical Center, San Diego160 enrolled2 locationsNCT06413173
Recruiting
Not Applicable

Impacts of Nicotinamide Riboside on Functional Capacity and Muscle Physiology in Older Veterans

SarcopeniaNicotinamide Adenine Dinucleotide ConcentrationMuscle Quality and NAD+ Content
VA Office of Research and Development144 enrolled1 locationNCT04691986
Recruiting

Vitamin B12, Folic Acid and Vitamin D Status in Women of Reproductive Age

Vitamin D, Vitamin B 12 and Folic Acid ConcentrationsMicronutrient Status in Women of Reproductive AgeVitamin Status Assessment
University of Mostar360 enrolled1 locationNCT07100795
Recruiting
Not Applicable

A Clinical Trial to Assess Cognitive Effects of Cognitive Nutritional Supplement in General Population

CognitionAttentionConcentration+1 more
Pharmavite LLC422 enrolled1 locationNCT06837246
Recruiting
Not Applicable

Comparison of Dairy and Plant-based Alternatives in Adolescents and Older Adults

Glycemic Response to Feeding in Healthy ParticipantsPostprandial Amino Acid Concentrations
University of Toronto160 enrolled1 locationNCT06874400
Recruiting

Community-based Partnership's Efficacy in Decreasing Injury Rates At Night in Dallas, TX

Blood Alcohol ConcentrationDrunk Driving
Methodist Health System500 enrolled1 locationNCT06695416
Recruiting

FeNO Observation Study in ICU Patients With ARS

Compare the Concentration of Exhaled Nitric Oxide in Patients With Different Severity of RF
Shanghai Zhongshan Hospital1,000 enrolled1 locationNCT06680895
Recruiting
Not Applicable

Effects of Timing of Cord Clamping on Serum Calcium Levels in Neonates

Serum Calcium Concentration
College of Physicians and Surgeons Pakistan200 enrolled1 locationNCT06573333
Recruiting

An investigation of intraoperative maintenance fluid containing glucose 10 mg/ml to infants (1-12 moths old).

Intraoperative endogenous energy productionIntraoperative prevalence of hyponatremiaIntraoperative prevalence of hyperglycemia+3 more
Department of Paediatric Perioperative Medicine and Intensive Care, Karolinska University Hospital375 enrolled1 locationACTRN12619000833167
Recruiting

Breast-milk and infant nutrition study

Folic acid statusHuman milk folate concentrationOther nutritional indices (vitamins B6 and B12, choline, betaine, dimethylglycine, methioinine, homocysteine, cysteine, cystathionine, iron, zinc, and selenium)+1 more
Dr Lisa Houghton70 enrolled1 locationACTRN12612000656831
Recruiting
Phase 4

Total and free serum Ropivacaine Concentrations for patients receiving Continuous Transversus Abdominis plane block for Postoperative analgesia after abdominal surgery: Pilot Study

Local anaestetic concentration after a bolus followed by continuous infusion in TAP block
Dr Sarika Kumar15 enrolled1 locationACTRN12612000104853
Recruiting
Phase 1

The effect of topical glucose on vitreous glucose concentration

Vitreous glucose concentration of the Eye
Robert Casson20 enrolled1 locationACTRN12611001225909
Recruiting
Phase 2

Randomised placebo controlled study of vitamin D during pregnancy and infancy

The vitamin D dose in pregnancy and early life that safely and effectively increases serum 25-hydroxy vitamin D (25[OH]D) concentration in infants
University of Auckland260 enrolled1 locationACTRN12610000483055
Recruiting
Phase 3

Vitamin D and Cognition Trial

Mild Cognitive Impairment and vitamin D (25-hydroxyvitamin D) blood concentration between 50 nmol/L and 12.5 nmol/L.
Professor Nicola Lautenschlager110 enrolled1 locationACTRN12607000321448