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ClinicalTrials.gov 4 recruiting now early-phase tilt small index

Healthy Volunteer Study: early-phase trial registry

4 of 10 indexed Healthy Volunteer Study trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #1,724 of 28,707 conditions by registered trial count.

10 US clinical trials · 4 currently recruiting · #1,724 of 28,707 conditions by registered trial count

Healthy Volunteer Study: 10 US clinical trials tracked, 4 recruiting.

Healthy Volunteer Study is the subject of 10 registered US clinical trials on ClinicalTrials.gov, 4 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 8 in Phase 1-2 (earlier-stage). The most active sponsor is Atea Pharmaceuticals, running 2 of these trials.

Enrollment posture brief

Registry condition healthy-volunteer-study

OPEN 4 | RECR 40% | LATE 0 | EARLY 8 | RANK #1724 | SPON 2

Nearest open-share peer: Acute Myeloid Leukemia (AML) (40% recruiting · 30 trials)

Acute Leukemia of Ambiguous 80%Achondroplasia40%Healthy Volunteer Study (thi…40%Accelerated Phase Chronic My20%Accidental Fall20%
Open-enrollment share among volume-matched conditions near Healthy Volunteer Study

Healthy Volunteer Study lists 4 open slots (40% of 10 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 Volunteer Study 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.

  1. Healthy Volunteer Study is recruiting below its size-band peers.

    4 of 10 indexed trials (40%) 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.

  2. One sponsor concentrates Healthy Volunteer Study research.

    Atea Pharmaceuticals accounts for 2 of 10 trials (20%). 9 distinct sponsors appear on at least one study for this condition label.

  3. Most Healthy Volunteer Study trials plan to enrol fewer than 100 people.

    Median target enrolment is 28 among the 10 trials that report a genuine target (sentinel values excluded). 10 of those (100%) plan for fewer than 100 participants.

  4. Healthy Volunteer Study research is mostly interventional.

    10 interventional and 0 observational studies make up this index (100% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 18

Open and recent trials

10 total, page 1 of 1

RECRUITING NA 80 participants

Near-InfraRed Spectroscopy of Auricular Stimulation

University of Pittsburgh

NCT06825364

RECRUITING Phase 1 28 participants

Study of Bemnifosbuvir/Ruzasvir as a Fixed-dose Combination in Subjects With Normal or Severely Impaired Renal or Hepatic Function

Atea Pharmaceuticals

NCT06911320

RECRUITING Early Phase 1 28 participants

The Kidney's Response to Exercise in Heat, and the Impact of Vitamin B3 on This Response

Beth Israel Deaconess Medical Center

NCT06983730

RECRUITING Phase 1 16 participants

Exploratory Clinical Study to Assess Safety and Efficacy of Xenon Gas Inhalation to Control Neuroinflammation

General Biophysics

NCT06945614

COMPLETED NA 60 participants

An Open-label, Non Significant Risk, Adhesive Wear Validation Study for the On Body Drug Delivery Device Component of the SQIN-01 Furosemide Infusor (Infusor Device)

SQ Innovation

NCT04836572

COMPLETED Early Phase 1 45 participants

Study of CBP-4888 in Healthy, Non-Pregnant Female Subjects

Comanche Biopharma

NCT05881993

COMPLETED Phase 1 32 participants

Study of Intranasal Octreotide (DP1038) in Healthy Adult Volunteers

Dauntless Pharmaceuticals

NCT03031535

COMPLETED Phase 1 25 participants

A Pharmacokinetic Study of Intravenous and Intranasal Oxytocin in Healthy Subjects

Wake Forest University Health Sciences

NCT05672667

COMPLETED Phase 1 8 participants

A Phase 1 Study in Healthy Volunteers to Evaluate the Relative Bioavailability of ALG-055009 Formulations

Aligos Therapeutics

NCT06959888

COMPLETED Phase 1 6 participants

Mass Balance Study of AT-527 in Healthy Adult Male Subjects (R07496998)

Atea Pharmaceuticals

NCT05004415

Phase Distribution

PhaseTrial count
Phase 1 8

Named interventions

Most-linked intervention names on Healthy Volunteer Study records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

AT-527 (R07496998) Drug
1 trials
CBP-4888 Drug
1 trials
Arginine hydrochloride Diagnostic test
1 trials
Growth hormone-releasing hormone Diagnostic test
1 trials
Subcutaneous octreotide acetate Drug
1 trials
Intranasal octreotide acetate Drug
1 trials
3M 1529 Adhesive Tape Other
1 trials
ALG-055009 Drug
1 trials

US sites by state

Facility locations filed on Healthy Volunteer Study trials. A trial with sites in several states counts in each.

Massachusetts 3 trials
Texas 2 trials
Pennsylvania 1 trials
Nebraska 1 trials
North Carolina 1 trials
Florida 1 trials
Arizona 1 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

What to do with this Healthy Volunteer Study page

10 registered trials, 4 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • 4 Healthy Volunteer Study trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • Atea Pharmaceuticals sponsors the most Healthy Volunteer Study trials on record, review their full trial history before evaluating a specific study. See Atea Pharmaceuticals'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 Volunteer Study condition card totals 10 registered trials; most-linked intervention AT-527 (R07496998); top US site state Massachusetts. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.