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ClinicalTrials.gov 1 recruiting now early-phase tilt small index

Sympathetic Nervous System: early-phase trial registry

1 of 1 indexed Sympathetic Nervous System trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #11,370 of 28,707 conditions by registered trial count.

1 US clinical trials · 1 currently recruiting · #11,370 of 28,707 conditions by registered trial count

Sympathetic Nervous System: 1 US clinical trial tracked, 1 recruiting.

Sympathetic Nervous System is the subject of 1 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is University of Missouri-Columbia, running 1 of these trials.

Enrollment posture brief

Registry condition sympathetic-nervous-system

OPEN 1 | RECR 100% | LATE 0 | EARLY 1 | RANK #11370 | SPON 1

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

Sympathetic Nervous Syst (th…100%Ablation80%ACL Reconstruction80%Abuse, Drug60%Acceptability60%
Open-enrollment share among volume-matched conditions near Sympathetic Nervous System

Sympathetic Nervous System lists 1 open slots (100% of 1 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 Sympathetic Nervous System 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. Sympathetic Nervous System is recruiting above its size-band peers.

    1 of 1 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 11

Phase Distribution

PhaseTrial count
Phase 1 1

Top Sponsors

Named interventions

Most-linked intervention names on Sympathetic Nervous System records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Estrogen Drug
1 trials
Nitroprusside Drug
1 trials
Acetylcholine Drug
1 trials
Isoproterenol Drug
1 trials
Norepinephrine Drug
1 trials

US sites by state

Facility locations filed on Sympathetic Nervous System trials. A trial with sites in several states counts in each.

Missouri 1 trials

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

What to do with this Sympathetic Nervous System page

1 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

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 Sympathetic Nervous System condition card totals 1 registered trials; most-linked intervention Estrogen; top US site state Missouri. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.