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ClinicalTrials.gov 2 recruiting now later-stage tilt small index

Physiologic Effects of Drugs: later-stage trial registry

2 of 2 indexed Physiologic Effects of Drugs trials are currently recruiting, with more weight in Phase 3-4.

Corpus placement: #7,188 of 28,707 conditions by registered trial count.

2 US clinical trials · 2 currently recruiting · #7,188 of 28,707 conditions by registered trial count

Physiologic Effects of Drugs: 2 US clinical trials tracked, 2 recruiting.

Physiologic Effects of Drugs is the subject of 2 registered US clinical trials on ClinicalTrials.gov, 2 of them currently open to new participants. 2 are in Phase 3-4 (later-stage) and 0 in Phase 1-2 (earlier-stage). The most active sponsor is Theresa Jacob, PhD, MPH, running 1 of these trials.

Enrollment posture brief

Registry condition physiologic-effects-of-drugs

OPEN 2 | RECR 100% | LATE 2 | EARLY 0 | RANK #7188 | SPON 1

Nearest open-share peer: Aortic Arch Aneurysm (100% recruiting · 5 trials)

Physiologic Effects of D (th…100%Ablation80%ACL Reconstruction80%Abuse, Drug60%Acceptability60%
Open-enrollment share among volume-matched conditions near Physiologic Effects of Drugs

Physiologic Effects of Drugs lists 2 open slots (100% of 2 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 Physiologic Effects of Drugs 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. Physiologic Effects of Drugs is recruiting above its size-band peers.

    2 of 2 indexed trials (100%) 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.

Phase 31Phase 41

Phase Distribution

PhaseTrial count
Phase 3 1
Phase 4 1

Top Sponsors

Named interventions

Most-linked intervention names on Physiologic Effects of Drugs records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

nebulized ketamine Drug
1 trials
Exogenous oxytocin intravenous infusion without nipple stimulation. Drug
1 trials
Electric breast pump Device
1 trials

US sites by state

Facility locations filed on Physiologic Effects of Drugs trials. A trial with sites in several states counts in each.

New York 2 trials
Illinois 1 trials
Connecticut 1 trials

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

What to do with this Physiologic Effects of Drugs page

2 registered trials, 2 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • 2 Physiologic Effects of Drugs trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • Theresa Jacob, PhD, MPH sponsors the most Physiologic Effects of Drugs trials on record, review their full trial history before evaluating a specific study. See Theresa Jacob, PhD, MPH'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 Physiologic Effects of Drugs condition card totals 2 registered trials; most-linked intervention nebulized ketamine; top US site state New York. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.