Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Healthy: early-phase trial registry
225 of 1,096 indexed Healthy trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #2 of 28,707 conditions by registered trial count.
1,096 US clinical trials · 225 currently recruiting · #2 of 28,707 conditions by registered trial count
Healthy: 1,096 US clinical trials tracked, 225 recruiting.
Healthy is the subject of 1,096 registered US clinical trials on ClinicalTrials.gov, 225 of them currently open to new participants. 43 are in Phase 3-4 (later-stage) and 546 in Phase 1-2 (earlier-stage). The most active sponsor is Eli Lilly and Company, running 55 of these trials.
Enrollment posture brief
Registry condition healthy
OPEN 225 | RECR 21% | LATE 43 | EARLY 546 | RANK #2 | SPON 55
Volume-matched condition peers
Nearest open-share peer: Psoriasis (20% recruiting · 127 trials)
Healthy lists 225 open slots (21% of 1,096 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 Healthy 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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Healthy is recruiting below its size-band peers.
225 of 1,096 indexed trials (20.5%) are open to enrollment, against a 37.1% average across 139 conditions with 100+ trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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Sponsorship of Healthy trials is spread across many organizations.
Eli Lilly and Company accounts for 55 of 1,096 trials (5%). 429 distinct sponsors appear on at least one study for this condition label.
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Most Healthy trials plan to enrol fewer than 100 people.
Median target enrolment is 40 among the 1,091 trials that report a genuine target (sentinel values excluded). 851 of those (78%) plan for fewer than 100 participants.
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Healthy research is mostly interventional.
905 interventional and 191 observational studies make up this index (82.6% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
1,096 total, page 8 of 22
A Study to Evaluate the Safety of a Monovalent Vaccine in Healthy Adults
MedImmune
NCT00480155
Normal Reference Ranges for Urinary Metabolites and Supersaturation Indices in Pediatric Populations
University of Wisconsin, Madison
NCT00591097
Study to Evaluate the Safety of a Bivalent Vaccine of New 6:2 Influenza Virus Reassortants in Healthy Adults
MedImmune
NCT00125944
Evaluation of Patients With Unusual Diagnostic or Treatment Considerations
National Institute of Dental and Craniofacial Research (NIDCR)
NCT00001182
Clinical Trial of Two Study Drinks in Detoxification of Environmental Toxicants and Carcinogens
Masonic Cancer Center, University of Minnesota
NCT03978117
Wearable Technology in Endoscopy
Mayo Clinic
NCT05044104
GI Interlab 2 Study: Measuring the Glycaemic Index (GI) of Foods
Glycaemic Index Testing
NCT00260858
The Okla Achokma Project
University of Southern Mississippi
NCT06633939
Added Sugar Intake, Sweet Taste Phenotypes and Biomarkers
Monell Chemical Senses Center
NCT05047588
BD MiniDraw™ Capillary System Clinical Equivalence Study
Becton, Dickinson and Company
NCT05186311
Website for Adolescents About Pediatric Clinical Trials
Innovation Research & Training
NCT05714943
Writing Activities and Emotions
University of Pittsburgh
NCT04539756
EQUIC-CC: Enhancing Quality of Informed Consent - Customized Consent
US Department of Veterans Affairs
NCT00032539
The Impact of Gratitude Journaling in the Classroom
Michael Rhoads
NCT07061483
A Study of Sensitizing Potential of Diacerein 1% Ointment in Healthy Subjects
Castle Creek Pharmaceuticals
NCT03472547
Dynamics of Leptin and Endocrine Function
National Institute of Mental Health (NIMH)
NCT00001543
Visual Stimulus and Eye Movement
National Eye Institute (NEI)
NCT00001172
Long-term Follow-up Study on Safety and Maintenance of Efficacy of ATX-101
Kythera Biopharmaceuticals
NCT02163902
Pivotal Bioequivalence Study of Topically Delivered Clobetasol Propionate Lotion in Healthy Adult Subjects
Actavis
NCT00864500
Performance Evaluation and Research for Older Adults Requiring Major Surgery
University of Washington
NCT00487890
A Twelve Week Study of Virtually Supervised Mouth Rinse and Flossing
Johnson & Johnson Consumer Inc. (J&JCI)
NCT04750005
Studies of In Vitro B Lymphocyte Responses in Subjects Receiving Tetanus Toxoid Booster Immunization
National Institute of Allergy and Infectious Diseases (NIAID)
NCT00001173
Magnesium Food Frequency Questionnaire
Drexel University
NCT03470519
A Study in Healthy People to Test How 2 Different Formulations of BI 695501 Are Taken up by the Body When Given as an Injection
Boehringer Ingelheim
NCT05203289
America Walks: An Observational Study of Walking Behavior Based on Passive Step Tracking
TrialX
NCT02792439
Beginnings Study Follow up
Arkansas Children's Hospital Research Institute
NCT03108014
The Functional Anatomy of Personality Trait Knowledge: An fMRI Study
National Institute of Neurological Disorders and Stroke (NINDS)
NCT00095407
The Role of 5-alpha Reductase in Mediating Testosterone Actions
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NCT00493987
Study to Investigate the Potential of Probiotics in Yogurt
Georgetown University
NCT00492583
Normal Reference Range Study With the TEG6s Heparin Neutralization Cartridge in Healthy Volunteers
Haemonetics Corporation
NCT06261580
The BrainHealth Project - Pilot Study
The University of Texas at Dallas
NCT04621240
MRI Language Studies in Young Children
National Institute of Neurological Disorders and Stroke (NINDS)
NCT00039845
Evaluating Brain Responses to Facial Expressions in Major Depressive Disorder
National Institute of Mental Health (NIMH)
NCT00071123
Characterization of Adults for Asthma Microbiome Research Studies
University of Michigan
NCT02887911
Effects of Stress Hormones on Emotion and Cognition
National Institute of Mental Health (NIMH)
NCT00032838
Effects of Drugs on Cerebral Blood Flow in Patients With Mood Disorders
National Institute of Mental Health (NIMH)
NCT00001478
Structure and Function of the Human Tongue
National Institutes of Health Clinical Center (CC)
NCT00007137
A Two-Week Study of an Anticavity Low pH Mouthwash
Johnson & Johnson Consumer Inc. (J&JCI)
NCT06010758
Validation of Dietary Calcium Questionnaires Using Diet Records
University of California, San Francisco
NCT00512733
Study of Tongue Pressures
National Institutes of Health Clinical Center (CC)
NCT00013832
A Pediatric Taste Test Study of Omnicef Versus Zithromax Antibiotic Suspension Medications
Abbott
NCT00644774
Study Evaluating Serum Collected From Healthy Adults For Development of Pneumococcal Opsonophagocytic Assay
Pfizer
NCT00508950
Language Stimuli Screening in Children
National Institute of Neurological Disorders and Stroke (NINDS)
NCT00016796
Reference Range for abioSCOPE® Device With the PSP Assay in a Generally Healthy Adult Population
Abionic
NCT04409561
Brain Imaging in Elderly People and Individuals With Alzheimer's Disease
National Institute of Mental Health (NIMH)
NCT00001917
A Twelve Week Study of Supervised Mouth Rinse and Flossing
Johnson & Johnson Consumer Inc. (J&JCI)
NCT04696536
A Pharmacokinetics Study Comparing PF-06438179 and Infliximab in Healthy Volunteers (REFLECTIONS B537-01)
Pfizer
NCT01844804
A Study to Assess the Safety and Pharmacokinetics of a Single Intravenous Administration of CNTO 328 Derived From 2 Different Cell Lines in Healthy Participants
Centocor
NCT02074800
Cortical Excitability in Obsessive-Compulsive and Related Disorders
National Institute of Mental Health (NIMH)
NCT00029068
PDE5 Inhibition for Obesity-Related Cardiometabolic Dysfunction
Vanderbilt University Medical Center
NCT02819440
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 518 |
| Phase 2 | 28 |
| Phase 3 | 11 |
| Phase 4 | 32 |
Top Sponsors
Named interventions
Most-linked intervention names on Healthy records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Healthy 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 Healthy page
1,096 registered trials, 225 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 225 Healthy trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Eli Lilly and Company sponsors the most Healthy trials on record, review their full trial history before evaluating a specific study. See Eli Lilly and Company'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 Healthy condition card totals 1,096 registered trials; most-linked intervention Placebo; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.