Clinical trials: Diet
Pregnancy Related, Stress, Psychological
Emotion-Diet Interactions in Pregnancy
This study will investigate how maternal emotional state following a controlled stress exposure in pregnancy influences blood glucose and insulin levels after eating a standardized meal, and whether the effects of emotional state…
- Conditions
- Pregnancy Related, Stress, Psychological, Glucose Intolerance During Pregnancy, Emotional Stress
- Trial name
- PREDIP (NCT04430439)
- Testing
- Psychosocial stress, Control non-stress
- Where
- 2 sites in United States
- Volunteers
- 113 people, healthy volunteers welcome
- Sponsor
- University of California, Irvine
HIV/AIDS
iSTEP - an mHealth Physical Activity and Diet Intervention for Persons With HIV
HIV is associated with a pattern of neurocognitive deficits, metabolic dysfunction, and an elevated risk for cardiovascular disease (CVD), phenomena that remain untreated despite the use of medications to control the disease.
- Trial name
- NCT03123731
- Testing
- Control Arm, iSTEP
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- University of California, San Diego
Aging
Dietary Nitrate and Physiological Aging
The main purpose/s of this study is to examine the effects of 4 weeks of dietary nitrate supplementation on peripheral chemoreceptor sensitivity, spontaneous baroreflex sensitivity, and blood pressure responsiveness to a variety…
- Trial name
- NCT02593305
- Testing
- Super Beets
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Darren P Casey
Frailty
Mobile Health Intervention to Support Healthful Diet
This will be a pilot clinical trial to evaluate preliminary efficacy of a newly designed mobile intervention designed to support healthy eating in old people.
- Trial name
- NCT05236712
- Testing
- Mobile app
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- University of Washington
Pharmacokinetics
Biomarker Changes and Anxiolytic Effects-Phase 2
This study will examine the utility of plasma and urinary based biomarkers for the anxiolytic properties of kava. The investigators will conduct a one week, double blind, randomized placebo controlled trial of kava, dosed at…
- Trial name
- KavaPK (NCT04565145)
- Testing
- Kava Dietary Supplement
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- University of Florida
Dietary Habits
The PortionSize Smartphone App Pilot (PS Pilot)
The objective is to examine the preliminary validity, reliability and perceived participant satisfaction of the PortionSize app.
- Trial name
- PS Pilot (NCT04494971)
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- Pennington Biomedical Research Center
Chronic Kidney Disease, Hypertension
Five, Plus Nuts and Beans for Kidneys
This Five, Plus Nuts and Beans for Kidneys Study is a single center, randomized controlled trial with 2 parallel arms testing the hypothesis that delivery of nutritional advice to adopt a Dietary Approaches to Stop Hypertension…
- Trial name
- NCT03299816
- Testing
- Coaching DASH group (C-DASH), Self-Shopping DASH group (S-DASH)
- Where
- United States
- Volunteers
- 142 people
- Sponsor
- Johns Hopkins University
Common Cold
Encapsulated Juice Powder Concentrate for Preventing Common Cold Symptoms
The primary objective of this study is to determine the effect of an encapsulated juice powder concentrate on the number of days with at least moderate common cold symptoms over winter time.
- Trial name
- NCT00778648
- Testing
- Juice Plus
- Where
- Germany
- Volunteers
- 543 people, healthy volunteers welcome
- Sponsor
- Charite University, Berlin, Germany
Hypertension
Efficacy of Dietary Sodium Restriction of Improving Vascular Endothelial Function in Middle Aged and Older Adults
The investigators hypothesize that reducing salt in the diet will improve the function of blood vessels in middle aged and older adults with moderately elevated systolic blood pressure, by increasing the amount of BH4 and nitric…
- Trial name
- NCT01566084
- Testing
- Slow sodium tablets
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Boulder
Cardiovascular Diseases, Diabetes Mellitus
Evaluation of a Letter Intervention Promoting a Plant-based Diet
The researchers' mission is to promote healthier eating behavior and to reduce costs associated with healthcare. The purpose of this study is to evaluate the effects of mailing randomly selected participants a letter promoting a…
- Conditions
- Cardiovascular Diseases, Diabetes Mellitus, Obesity
- Trial name
- NCT03880838
- Testing
- Personal testimonial, Forks Over Knives Documentary, Commitment nudge
- Where
- United States
- Volunteers
- 11,234 people
- Sponsor
- Geisinger Clinic
Food Hypersensitivity, Milk Hypersensitivity
Study of Milk Allergy and Tolerance in Children
The purpose of this study is to determine if children who are allergic to milk can increase tolerance through frequent dose-escalation every 6 months versus 12 months leading to eventual tolerance of less heated milk and…
- Trial name
- NCT00778258
- Testing
- Baked Milk, Non-baked Milk
- Where
- United States
- Volunteers
- 170 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Nausea/Vomiting
Trial of Low Residue Diet Versus Clear Liquids Following Elective Colorectal Surgery
Prospective randomized controlled trial investigating commencement of low residue diet versus clear liquids on postoperative zero following elective colorectal surgery, with regards to patient tolerability, incidence of nausea…
- Trial name
- NCT03260426
- Testing
- Clear Liquids, Regular Solid, Abstats
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Cedars-Sinai Medical Center
Diet, Healthy, Diet Habit
The UnProcessed Pantry Project (UP3)
There is a need to develop evidence-based interventions that rural food pantries can use to limit the distribution and intake of ultra-processed foods and promote the distribution and intake of minimally processed foods in the…
- Conditions
- Diet, Healthy, Diet Habit, Disease, Chronic, Health Behavior
- Trial name
- UP3 (NCT04241133)
- Testing
- The UnProcessed Pantry Project (UP3)
- Where
- United States
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Montana State University
Knee Osteoarthritis
Investigating Racial Differences in Diet Benefits for Knee Osteoarthritis
Knee osteoarthritis (OA) is the most prevalent form of arthritis and race is a risk factor for poor outcomes. African-Americans (AAs) report greater OA-related disability and pain severity compared to their Non-Hispanic White…
- Trial name
- NCT04343716
- Testing
- Low-carbohydrate diet
- Where
- United States
- Volunteers
- 19 people
- Sponsor
- University of Alabama at Birmingham
Alteration of Cognitive Function, Dietary Modification
Cognitive Health Promotion Project in the Community
This study was based on baseline data derived from a large prospective study called the Suwon Project (SP), a cohort comprising random clustering samples of elderly people, all of whom are ethnic Koreans aged over 60 years.
- Trial name
- NCT01012947
- Testing
- Lifestyle Counseling Usual Care, Lifestyle Counseling Telephone, Bimonth, Lifestyle Counseling Telephone, Month
- Volunteers
- 1,115 people, healthy volunteers welcome
- Sponsor
- Ajou University School of Medicine
Nutritional and Metabolic Diseases, Inflammation
A Study of Strawberries and Disease Risk
The purpose of this study is to test whether compounds found in strawberries (polyphenolics which are typically found in berry products, tea, coffee, red wine, and chocolate) will help reduce insulin resistance and inflammation…
- Conditions
- Nutritional and Metabolic Diseases, Inflammation, Physiological Responses
- Trial name
- STRB (NCT01199848)
- Testing
- 10G, 20G, 40G
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Clinical Nutrition Research Center, Illinois Institute of Technology
Impaired Glucose Tolerance, Oxidative Stress
Effect of Dietary Glycemic Index on Beta-cell Function
The study will determine if increasing the highs and lows of blood glucose levels (glycemic variability) impairs insulin secretion in people with impaired glucose tolerance and/or impaired fasting glucose who are at risk for…
- Conditions
- Impaired Glucose Tolerance, Oxidative Stress, Prediabetes, Impaired Fasting Glucose
- Trial name
- GIdiet (NCT01386645)
- Testing
- low glycemic index (LGI) diet, high glycemic index diet plus N-acetylcysteine
- Where
- United States
- Volunteers
- 56 people
- Sponsor
- Seattle Institute for Biomedical and Clinical Research
Dietary Habits
Impact of Warnings on Sugar-Sweetened Beverages
The purpose of this randomized controlled trial is to determine whether pictorial warnings on sugar-sweetened beverages are more effective than neutral labels at reducing parents' purchases of sugar-sweetened beverages for their…
- Trial name
- NCT04223687
- Testing
- Sugar-Sweetened Beverage Warning Label, Neutral label
- Where
- United States
- Volunteers
- 326 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Insulin Resistance, Obesity
Potato Research for Enhancing Metabolic Outcomes
The potato is a nutritious food that comprises approximately 30% of total vegetable intake in the United States (US). Consumption of pulses in the US is low but its contribution to health is frequently promoted.
- Trial name
- PREMO (NCT04203238)
- Testing
- Reduced Meat High Potato Diet, Reduced Meat High Pulses Diet
- Where
- United States
- Volunteers
- 36 people
- Sponsor
- Pennington Biomedical Research Center
Dietary Habits, Diet, Healthy
Examining Validity and Sensitivity of Pressure-Mediated Reflection Spectroscopy
The central goal of this proposal is to examine validity and sensitivity of RS-assessed skin carotenoid status as a marker of F\&V intake in a racially and ethnically diverse sample of individuals.
- Trial name
- NCT04056624
- Testing
- High carotenoid juice
- Where
- 3 sites in United States
- Volunteers
- 162 people, healthy volunteers welcome
- Sponsor
- East Carolina University