Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Primary Hyperparathyroidism: later-stage trial registry
4 of 8 indexed Primary Hyperparathyroidism trials are currently recruiting, with more weight in Phase 3-4.
Corpus placement: #2,176 of 28,707 conditions by registered trial count.
8 US clinical trials · 4 currently recruiting · #2,176 of 28,707 conditions by registered trial count
Primary Hyperparathyroidism: 8 US clinical trials tracked, 4 recruiting.
Primary Hyperparathyroidism is the subject of 8 registered US clinical trials on ClinicalTrials.gov, 4 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 0 in Phase 1-2 (earlier-stage). The most active sponsor is The Cleveland Clinic, running 2 of these trials.
Enrollment posture brief
Registry condition primary-hyperparathyroidism
OPEN 4 | RECR 50% | LATE 1 | EARLY 0 | RANK #2176 | SPON 2
Volume-matched condition peers
Nearest open-share peer: Abdominal Aortic Aneurysms (50% recruiting · 6 trials)
Primary Hyperparathyroidism lists 4 open slots (50% of 8 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 Primary Hyperparathyroidism 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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Primary Hyperparathyroidism is recruiting above its size-band peers.
4 of 8 indexed trials (50%) 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.
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One sponsor concentrates Primary Hyperparathyroidism research.
The Cleveland Clinic accounts for 2 of 8 trials (25%). 7 distinct sponsors appear on at least one study for this condition label.
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Typical Primary Hyperparathyroidism enrolment sits around 310 participants.
Median target enrolment is 310 among the 8 trials that report a genuine target (sentinel values excluded). 4 of those (50%) plan for fewer than 100 participants.
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Primary Hyperparathyroidism research leans observational.
1 interventional and 7 observational studies make up this index (12.5% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
8 total, page 1 of 1
Natural History Study of Parathyroid Disorders
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NCT04969926
Parathyroid Tumor Clonal Status
Washington University School of Medicine
NCT05997810
Molecular and Immunohistochemical Profiling of Tumors in Patients With Parathyroid Tumors
M.D. Anderson Cancer Center
NCT03039439
Calcitonin Pre-treatment to Improve SPECT-CT Sensitivity
Joseph Sferra
NCT03935984
Glycemic Control, Type II Diabetes, Parathyroidectomy
The Cleveland Clinic
NCT05761743
Minimally Invasive Radioguided Parathyroidectomy
University of Louisville
NCT01530919
Circulating miRNA in Primary Hyperparathyroidism
University of Pennsylvania
NCT03931109
Object Assessment of Improvement in Non-Specific Symptoms After Parathyroidectomy for Primary Hyperparathyroidism
The Cleveland Clinic
NCT06337825
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 4 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Primary Hyperparathyroidism records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Primary Hyperparathyroidism 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 Primary Hyperparathyroidism page
8 registered trials, 4 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 4 Primary Hyperparathyroidism trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- The Cleveland Clinic sponsors the most Primary Hyperparathyroidism trials on record, review their full trial history before evaluating a specific study. See The Cleveland Clinic'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 Primary Hyperparathyroidism condition card totals 8 registered trials; most-linked intervention Minimally invasive radioguided parathyroidectomy; top US site state Ohio. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.