Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Diet: early-phase trial registry
7 of 18 indexed Diet trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #953 of 28,707 conditions by registered trial count.
18 US clinical trials · 7 currently recruiting · #953 of 28,707 conditions by registered trial count
Diet: 18 US clinical trials tracked, 7 recruiting.
Diet is the subject of 18 registered US clinical trials on ClinicalTrials.gov, 7 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is American Academy of Family Physicians, running 2 of these trials.
Enrollment posture brief
Registry condition diet
OPEN 7 | RECR 39% | LATE 1 | EARLY 2 | RANK #953 | SPON 2
Volume-matched condition peers
Nearest open-share peer: Chronic Myeloid Leukemia (39% recruiting · 36 trials)
Diet lists 7 open slots (39% of 18 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Diet on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Diet is recruiting below its size-band peers.
7 of 18 indexed trials (38.9%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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Sponsorship of Diet trials is spread across many organizations.
American Academy of Family Physicians accounts for 2 of 18 trials (11.1%). 16 distinct sponsors appear on at least one study for this condition label.
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Typical Diet enrolment sits around 128 participants.
Median target enrolment is 128 among the 18 trials that report a genuine target (sentinel values excluded). 9 of those (50%) plan for fewer than 100 participants.
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Diet research is mostly interventional.
16 interventional and 2 observational studies make up this index (88.9% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
18 total, page 1 of 1
TREC@TAMU Cancer Prevention Registry and Repository
Texas A&M University
NCT06826014
Increasing Affordable Fruits and Vegetables for Families With Food Insecurity
University of South Carolina
NCT06828445
Using Tailored mHealth Strategies to Promote Weight Management Among Adolescent and Young Adult Cancer Survivors
UNC Lineberger Comprehensive Cancer Center
NCT06848491
Biomarker-estimated Flavanol Intake in Davis (FID)
University of California, Davis
NCT06086145
MIND Foods and Aerobic Training in Black Adults With HTN
Indiana University
NCT06152614
Wild Blueberries for Gut, Brain, and Heart Health in Adults With High Blood Pressure
Georgia State University
NCT06735599
Dietary Behavior Intervention in African Americans at Risk for Cardiovascular Disease
National Institutes of Health Clinical Center (CC)
NCT04305431
Methylation Diet and Lifestyle Study
National University of Natural Medicine
NCT03472820
Fasting Mimicking Diet and Autophagy
L-Nutra
NCT06115551
Polyp Prevention Trial
National Cancer Institute (NCI)
NCT00339625
Evaluation of the "Americans in Motion - Healthy Interventions" Project
American Academy of Family Physicians
NCT00534482
Improving Health Behaviors Through Telephone Linked Care
American Academy of Family Physicians
NCT00314197
The Okla Achokma Project
University of Southern Mississippi
NCT06633939
Effect of High-Legume Diet on Colorectal Cancer Risk
National Cancer Institute (NCI)
NCT00339469
A Meal-based Comparison of Protein Quality, Complementary Proteins and Muscle Anabolism
The University of Texas Medical Branch, Galveston
NCT03816579
Microbiome Individuality and Stability Over Time
Stanford University
NCT04740684
Inflammation and Protein Restriction
University of Florida
NCT03995979
Paleolithic Diet and Exercise Study
University of California, San Francisco
NCT00360516
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 2 |
| Phase 3 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Diet records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Diet trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Diet page
18 registered trials, 7 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 7 Diet trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- American Academy of Family Physicians sponsors the most Diet trials on record, review their full trial history before evaluating a specific study. See American Academy of Family Physicians's trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Diet condition card totals 18 registered trials; most-linked intervention AIM-HI program and regular feedback; top US site state Texas. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.