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Showing 1–24 of 29 matching trials from the live ClinicalTrials.gov search.
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Not listed Not applicable Interventional

Can Fasting Decrease the Side Effects of Chemotherapy?

NCT04027478
View directory record Official record
Conditions
Chemotherapy Effect, Chemotherapeutic Toxicity, Fasting
Interventions
FMD
Dietary Supplement
Lead sponsor
Sutter Health
Other
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jul 21, 2019 · Synced Sep 4, 2026, 6:22 AM EDT
Recruiting Not applicable Interventional

Feasibility and Acceptibility of a Multi-site Trial of Time Restircted Eating During Chemotheraply for Breast Cancer.

NCT07387445
View directory record Official record
Conditions
Breast Cancer Early Stage Breast Cancer (Stage 1-3), Breast Neoplasm Female, Breast Cancer
Interventions
Time restricted eating
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
25 Years to 99 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Sep 4, 2026, 6:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Caffeinated and Decaffeinated Coffee on Body Weight and Glucose Tolerance

NCT00305097
View directory record Official record
Conditions
Overweight
Interventions
Decaffeinated coffee, Caffeinated coffee, No coffee
Dietary Supplement
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 5, 2018 · Synced Sep 4, 2026, 6:22 AM EDT
Recruiting Not applicable Interventional

The RolE of Prolonged Nightly faSTing to Improve Sleep and cOgnition in bREast Cancer Survivors

NCT06938555
View directory record Official record
Conditions
Breast Cancer Survivor, Cancer Related Cognitive Difficulties, Sleep, Quality of Life
Interventions
Prolonged Nightly Fasting, Health Education Videos
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Sep 4, 2026, 6:22 AM EDT
Recruiting Phase 1Phase 2 Interventional

COffee and Metabolites Modulating the Gut MicrobiomE in Colorectal caNCER

NCT05692024
View directory record Official record
Conditions
Colorectal Cancer, Coffee, Gastrointestinal Microbiome, Stenosis, Fibrosis, Liver, Ultrasound Elastography, Proton Magnetic Resonance Spectroscopy
Interventions
Nestlé NESCAFÉ® TASTER'S CHOICE® House Blend capsule., Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 4, 2026, 6:22 AM EDT
Completed Phase 2 Interventional Results available

Energy Metabolism in Thyroidectomized Patients

NCT04782856
View directory record Official record
Conditions
Thyroid Goiter, Hypothyroidism, Thyroid Cancer
Interventions
Levothyroxine, Liothyronine, Placebo
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 89 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 13, 2024 · Synced Sep 4, 2026, 6:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Novel Metabolites of Beta-Carotene and Lycopene

NCT02550483
View directory record Official record
Conditions
Healthy
Interventions
Base diet + high beta-carotene tomato juice, Base diet + high lycopene tomato juice, Base diet + placebo beverage
Other
Lead sponsor
USDA Beltsville Human Nutrition Research Center
Federal
Eligibility
21 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Beltsville, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 25, 2018 · Synced Sep 4, 2026, 6:22 AM EDT
Recruiting Phase 2Phase 3 Interventional

Study of Chemosensory Enhancement Through Neuromodulation Training (SCENT for Long COVID)

NCT05855369
View directory record Official record
Conditions
Smell Dysfunction, Olfactory Disorder, Long COVID
Interventions
Trigeminal Nerve Stimulation (TNS), Active Smell Training (ST), Placebo Smell Training (PBO)
Device · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Sep 4, 2026, 6:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing Chronic Pain Treatment With Enhanced Neuroplastic Responsiveness

NCT02681081
View directory record Official record
Conditions
Pain, Osteoarthritis
Interventions
Glucose Administration, Intermittent Fasting, Control
Other
Lead sponsor
University of Florida
Other
Eligibility
50 Years to 85 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 14, 2019 · Synced Sep 4, 2026, 6:22 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Interventional Testing of Gene-environment Interactions Via the Verifomics Mobile Application

NCT02758990
View directory record Official record
Conditions
Obesity, Rhinitis, Rhinitis, Allergic, Respiratory Sounds, Dyspnea, Headache, Migraine Disorders, Arthritis, Arthralgia, Anxiety, Sleep Initiation and Maintenance Disorders, Sleep Deprivation
Interventions
Vitamin A, Vitamin B6, Vitamin C, Nicotinamide, Vitamin D3, Vitamin E, Broccoli, Spinach, Caffeine, Coffee, Axon Eyewear, Chocolate
Dietary Supplement · Other · Device
Lead sponsor
Verifomics LLC
Industry
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 1, 2017 · Synced Sep 4, 2026, 6:22 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Intermittent Fasting on Body Fat and Quality of Life

NCT06307275
View directory record Official record
Conditions
Healthy
Interventions
Fasting, non fasting
Other
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years to 65 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 4, 2026, 6:22 AM EDT
Completed Not applicable Interventional

Time Limited Eating in Type 1 Diabetes

NCT05031429
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Time Limited Eating
Other
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
12 Years to 25 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 15, 2023 · Synced Sep 4, 2026, 6:22 AM EDT
Recruiting Not applicable Interventional

Effect of Fasting on Patient Outcomes After Wide-Awake, Local Anesthesia-only, No Tourniquet (WALANT) Procedures

NCT05819801
View directory record Official record
Conditions
Surgery, Anesthesia, Local, Fasting
Interventions
Non-fasting, Fasting
Other
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Sep 4, 2026, 6:22 AM EDT
Completed Not applicable Interventional Results available

Evaluation of an Interactive Opioid Risk Education Program (STOMP) for Parents

NCT03287622
View directory record Official record
Conditions
Pain, Postoperative, Medication Adherence, Opioid Use, Knowledge, Attitudes, Practice, Risk Reduction Behavior
Interventions
Educational Intervention, Nudge
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
21 Years to 99 Years
Enrollment
712 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 18, 2020 · Synced Sep 4, 2026, 6:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Clinical Study of the Effect of Two Experimental Lozenges on Oral Malodor After Single Use

NCT05950529
View directory record Official record
Conditions
Oral Malodor
Interventions
Experimental lozenge with the enzyme Polyphenol oxidase and green coffee extract, Experimental lozenge with the enzyme Polyphenol oxidase, green coffee extract and flavor, Placebo lozenge control (sorbitol only), No product
Other
Lead sponsor
Novozymes A/S
Industry
Eligibility
18 Years and older
Enrollment
156 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Fort Wayne, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 17, 2023 · Synced Sep 4, 2026, 6:22 AM EDT
Terminated Not applicable Interventional

Short-Term Fasting: Impact on Toxicity

NCT00936364
View directory record Official record
Conditions
Fasting in Malignant Solid Tumors
Interventions
Short-term fasting, Modified fast, Fasting
Other
Lead sponsor
University of Southern California
Other
Eligibility
19 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 1, 2025 · Synced Sep 4, 2026, 6:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

How do You Take Your Coffee Before Anesthesia

NCT04786691
View directory record Official record
Conditions
Anesthesia, Aspiration, Fasting
Interventions
Addition of half and half to coffee, Addition of non-dairy creamer to coffee, Black
Other
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Mar 22, 2023 · Synced Sep 4, 2026, 6:22 AM EDT
Completed Not applicable Interventional

¡Yo no Estoy Loc@! Improving Treatment Engagement for Latinos Using an E-E Video

NCT03889301
View directory record Official record
Conditions
Anxiety Depression
Interventions
E-E Video, Discussion
Behavioral
Lead sponsor
University of Nevada, Reno
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Reno, Nevada
Source: ClinicalTrials.gov public record
Updated Nov 5, 2020 · Synced Sep 4, 2026, 6:22 AM EDT
Completed Phase 3 Interventional

Does Coffee Consumption Prevent or Shorten Postoperative Ileus After Colon Resection?

NCT01130675
View directory record Official record
Conditions
Postoperative Ileus
Interventions
caffeinated coffee
Other
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 10, 2013 · Synced Sep 4, 2026, 6:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Caffeine Reduction on Snoring and Quality of Life

NCT00641810
View directory record Official record
Conditions
Snoring
Interventions
Caffeine reduction
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Dec 30, 2013 · Synced Sep 4, 2026, 6:22 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Healthy Volunteers Enteral Nutrition Study (HEN)

NCT07426003
View directory record Official record
Conditions
Enteral Nutrition's Effect on the Gut
Interventions
Kate Farms Peptide 1.5, Crohn's disease exclusion diet
Dietary Supplement · Other
Lead sponsor
James Lewis
Other
Eligibility
18 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 4, 2026, 6:22 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Time-restricted Eating Versus Daily Continuous Calorie Restriction on Body Weight and Colorectal Cancer Risk Markers

NCT05114798
View directory record Official record
Conditions
Time Restricted Eating, Obesity, Weight Loss, Colorectal Cancer
Interventions
Time restricted eating, Calorie Restriction
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
45 Years to 70 Years
Enrollment
194 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Sep 4, 2026, 6:22 AM EDT
Completed Phase 2Phase 3 Interventional

Effect of Nutritional Products on Metabolic Parameters in Subjects With Type 2 Diabetics

NCT01324921
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
No breakfast/beverage only, Breakfast, 10004RF
Other
Lead sponsor
Abbott Nutrition
Industry
Eligibility
18 Years to 75 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
2
States / cities
Glen Ellyn, Illinois • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 29, 2011 · Synced Sep 4, 2026, 6:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Preliminary Effect of Food Processing and Sweeteners on Glycemic and Metabolic Measures

NCT05658757
View directory record Official record
Conditions
Blood Sugar; High, Blood Pressure, Dietary Habits
Interventions
Regular sweetened commercial foods, Allulose sweetened commercial foods, Whole and minimally processed and sweetened foods
Other
Lead sponsor
University of California, Irvine
Other
Eligibility
20 Years to 99 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated May 2, 2023 · Synced Sep 4, 2026, 6:22 AM EDT