Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Parkinsonism: later-stage trial registry
3 of 4 indexed Parkinsonism trials are currently recruiting, with more weight in Phase 3-4.
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
Parkinsonism: 4 US clinical trials tracked, 3 recruiting.
Parkinsonism is the subject of 4 registered US clinical trials on ClinicalTrials.gov, 3 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 Corporal Michael J. Crescenz VA Medical Center, running 1 of these trials.
Enrollment posture brief
Registry condition parkinsonism
OPEN 3 | RECR 75% | LATE 2 | EARLY 0 | RANK #4115 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Activity, Motor (75% recruiting · 8 trials)
Parkinsonism 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 Parkinsonism 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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Parkinsonism 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
Modifiable Variables in Parkinsonism (MVP)
Bastyr University
NCT02194816
Studies of the Variable Phenotypic Presentations of Rapid-Onset Dystonia Parkinsonism and Other Movement Disorders
State University of New York at Buffalo
NCT00682513
Smoking Cessation With Varenicline in Schizophrenia: Antipsychotic-Induced Neurological Symptoms as Correlates
Corporal Michael J. Crescenz VA Medical Center
NCT03495024
Trial of Parkinson's And Zoledronic Acid
California Pacific Medical Center Research Institute
NCT03924414
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 4 | 2 |
Top Sponsors
Named interventions
Most-linked intervention names on Parkinsonism records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Parkinsonism 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 Parkinsonism page
4 registered trials, 3 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 3 Parkinsonism trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Corporal Michael J. Crescenz VA Medical Center sponsors the most Parkinsonism trials on record, review their full trial history before evaluating a specific study. See Corporal Michael J. Crescenz VA Medical Center'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 Parkinsonism condition card totals 4 registered trials; most-linked intervention Zoledronic Acid 5Mg/Bag 100Ml Inj; top US site state Washington. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.