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 21 of 22
The Effect of Moderate CYP3A Inducer Rifabutin on the Pharmacokinetics of Zanubrutinib in Healthy Males
BeiGene
NCT04470908
Persisting Effects of Psilocybin
Johns Hopkins University
NCT02971605
A Study to Assess the Effect of a Strong CYP3A Inhibitor, on Surufatinib in Healthy Subjects
Hutchison Medipharma Limited
NCT04372407
Infectivity of Norovirus in Groundwater-Human Challenge Study
Emory University
NCT00313404
Neuroimaging of St. John's Wort-Induced Changes of Serotonin Metabolism in Normal Subjects
National Institute of Mental Health (NIMH)
NCT00001919
Metaplasticity Experimental Design and Comparison of Motor Outcome Measure Sensitivity to Change
University of New Mexi
NCT03304262
Impact of a High-fat Meal on Assessment of Clopidogrel-induced Platelet Inhibition in Healthy Subjects
University of Nebraska
NCT01307657
BMS Reverse Cholesterol Transport (RCT) Study
University of Pennsylvania
NCT01031862
A Study to Assess the Effect of Ritonavir on the Single-Dose Pharmacokinetics of JNJ-61393215 in Healthy Participants
Janssen Research & Development
NCT03593954
Bioavailability of Avenanthramide-Enriched Oats in Healthy Older Adults
Tufts University
NCT01055717
A Study to Learn If the Study Medicine Esomeprazole Changes How the Body Processes the Other Study Medicine Vepdegestrant
Pfizer
NCT06275841
A Study of Inhalation of 20,000 EU CCRE and Mucociliary Clearance (MCC) in Otherwise Healthy Individuals Who Are Current Cigarette Smokers
University of North Carolina, Chapel Hill
NCT00924768
Effect Of Single-Dose PF-05175157 On Metabolic And Cardiopulmonary Parameters
Pfizer
NCT01819922
Oral Liposomal Glutathione Supplementation in Healthy Subjects
Milton S. Hershey Medical Center
NCT02278822
A Study to Learn If the Study Medicine Called Carbamazepine Changes How the Body Processes the Other Study Medicine Ibuzatrelvir in Healthy Adults
Pfizer
NCT06646042
A Crossover Study to Evaluate Pegilodecakin (LY3500518) in Healthy Participants
Eli Lilly and Company
NCT04194892
A Safety Study of ARRY-300 in Healthy Subjects
Array Biopharma, now a wholly owned subsidiary of Pfizer
NCT00828165
SpO2 Accuracy of Noninvasive Pulse Oximeter Sensor
Stryker Sustainability Solutions
NCT05141500
Relative Bioavailability Study of IX-01 Caplet Versus Aqueous Dispersion and Food Effect of the Caplet in Healthy Males
Ixchelsis Limited
NCT02962531
The Effects of Ginger Supplementation on Inflammation in Exercising Individuals
Loma Linda University
NCT03219463
A Study of Sustained-Release Liothyronine Sodium (T3) in Healthy Subjects
Ipe
NCT01581463
The Effect of the Interaction of Glucagon and Insulin on Endogenous Glucose Production in Humans
Adrian Vella
NCT04461015
A Study to Determine the Inter/Intra Observer and Intra-subject Variability of Whole Blood Clotting Time Measurements
Perosphere Pharmaceuticals Inc, a wholly owned subsidiary of AMAG Pharmaceuticals
NCT02205827
A Study to Demonstrate the Equivalence of the Tofacitinib Oral Solution to the Tablet Formulation in Healthy Participants.
Pfizer
NCT04111614
Evaluation of the Ocular Safety of Calcium Formate in Normal, Healthy Female Subjects
University of Wisconsin, Madison
NCT00204893
Nitrite Infusion in Healthy Volunteers
National Institute of Neurological Disorders and Stroke (NINDS)
NCT00103025
A Single and Multiple Dose Study to Investigate Safety, Tolerability and Pharmacokinetics of JNJ-42165279 in Healthy Japanese Male Participants
Janssen Research & Development
NCT03564379
The Potential for Pomegranate Juice to Ameliorate Endothelial Dysfunction
Janet Novotny
NCT01748617
A Study to Validate Treadmill Parameters
Mayo Clinic
NCT05333263
Comparison of Two Formulations of Proellex for Oral Administration
Repros Therapeutics
NCT02141061
Study to Evaluate the Pharmacokinetics and Metabolism of [14C] CR845 (Difelikefalin) in Patients With End Stage Renal Disease on Hemodialysis and in Healthy Subjects
Cara Therapeutics
NCT03947970
Pharmacokinetic Study of Synera in Healthy Volunteers
ZARS Pharma
NCT01602757
A Study of ABT-384 Levels and Pharmacodynamic Activity Measured in Cerebrospinal Fluid
Abbott
NCT01009216
Relative Bioavailability and Food Effect Following Single Oral Dose of Darigabat Tablet Formulations in Healthy Participants
Cerevel Therapeutics
NCT05123079
A Single-Center, Open-Label, Study of the Plasma Pharmacokinetics and Safety of AC-170 0.24%
Aciex Therapeutics
NCT02173249
Ziprasidone Pharmacokinetics Using a Reduced Food Effect Formulation Compared to Pharmacokinetics From Commercial Capsules
Pfizer's Upjohn has merged with Mylan to form Viatris
NCT00821444
A Dose-response Study Examining the Contribution of GLP-1 Receptor Signaling to Glucagon-stimulated Insulin Secretion
Adrian Vella
NCT04459338
SpO2 Accuracy of Noninvasive Pulse Oximeter Sensor With Motion Conditions
Stryker Sustainability Solutions
NCT06149416
Recovery and Survival of EryDex in Non-patient Volunteers
Quince Therapeutics S.p.A.
NCT02380924
Test-retest Reproducibility of [11C]PHNO PET Using the Constant Infusion Paradigm
Yale University
NCT01699607
Effects of Surfactants on the Innate Immune System
University of California, San Diego
NCT01951352
Temperature Response to a Head-Neck Cooling System
National Institute of Neurological Disorders and Stroke (NINDS)
NCT00025987
Swallowing Pressure Profiles in Healthy Adults
University of Florida
NCT03986554
Brain Control of Blinking
National Institute of Neurological Disorders and Stroke (NINDS)
NCT00030199
Functional Effects of Botox on the Brain Using MRS and fMRI
University of California, Irvine
NCT03373162
Bioavailability of Lesinurad and Intravenous [14C]Lesinurad
Ardea Biosciences
NCT02039700
VAS-2 Vasectomy With the Vax-X
University of Washington
NCT00663533
Test of QLS Device to Detect Early Cataracts
National Eye Institute (NEI)
NCT00001617
Food Matrix Effect on Flavanol Absorption, Metabolism and Excretion: Methylxanthines
University of California, Davis
NCT03526107
To Study the Oral Bioavailability of a New Combination Formation of Decitabine and Tetrahydrouridine in Healthy Males
EpiDestiny
NCT05816356
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.