Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Parkinson Disease, Idiopathic: early-phase trial registry
3 of 4 indexed Parkinson Disease, Idiopathic trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #4,115 of 28,707 conditions by registered trial count.
4 US clinical trials · 3 currently recruiting · #4,115 of 28,707 conditions by registered trial count
Parkinson Disease, Idiopathic: 4 US clinical trials tracked, 3 recruiting.
Parkinson Disease, Idiopathic is the subject of 4 registered US clinical trials on ClinicalTrials.gov, 3 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most active sponsor is Neuron23, running 1 of these trials.
Enrollment posture brief
Registry condition parkinson-disease-idiopathic
OPEN 3 | RECR 75% | LATE 0 | EARLY 2 | RANK #4115 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Activity, Motor (75% recruiting · 8 trials)
Parkinson Disease, Idiopathic lists 3 open slots (75% of 4 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 Parkinson Disease, Idiopathic 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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Parkinson Disease, Idiopathic is recruiting above its size-band peers.
3 of 4 indexed trials (75%) 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.
Open and recent trials
4 total, page 1 of 1
A Phase 2 Study and Open-Label Extension of NEU-411 in Companion Diagnostic-Positive Participants With Early Parkinson's Disease
Neuron23
NCT06680830
The Impact of Deep Brain Stimulation on Speech and Swallow Function in Parkinson Disease
University of Florida
NCT07026734
Step Up to PD: A Community-based Walking Program for People With Parkinson's Disease
St. Louis University
NCT06859528
A Targeted Amino Acid Supplement for People With Parkinson's Disease
UConn Health
NCT06954662
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
| Phase 2 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Parkinson Disease, Idiopathic records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Parkinson Disease, Idiopathic 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 Parkinson Disease, Idiopathic page
4 registered trials, 3 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 3 Parkinson Disease, Idiopathic trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Neuron23 sponsors the most Parkinson Disease, Idiopathic trials on record, review their full trial history before evaluating a specific study. See Neuron23'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 Parkinson Disease, Idiopathic condition card totals 4 registered trials; most-linked intervention Isonitrogenous Placebo Supplement; top US site state Florida. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.