Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.

ClinicalTrials.gov 1 recruiting now small index

Osteoarthritis (OA) clinical trials

1 of 2 indexed Osteoarthritis (OA) trials are currently recruiting.

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

2 US clinical trials · 1 currently recruiting · #7,188 of 28,707 conditions by registered trial count

Osteoarthritis (OA): 2 US clinical trials tracked, 1 recruiting.

Osteoarthritis (OA) is the subject of 2 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. The most active sponsor is Seattle Institute for Biomedical and Clinical Research, running 1 of these trials.

Enrollment posture brief

Registry condition osteoarthritis-oa

OPEN 1 | RECR 50% | LATE 0 | EARLY 0 | RANK #7188 | SPON 1

Nearest open-share peer: Abdominal Aortic Aneurysms (50% recruiting · 6 trials)

Ablation80%ACL Reconstruction80%Abuse, Drug60%Acceptability60%Osteoarthritis (this)50%
Open-enrollment share among volume-matched conditions near Osteoarthritis (OA)

Osteoarthritis (OA) lists 1 open slots (50% 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 Osteoarthritis (OA) 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. Osteoarthritis (OA) is recruiting above its size-band peers.

    1 of 2 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.

Phase Distribution

Phase data not available

Named interventions

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

Ankle Arthroplasty Procedure
1 trials
Ankle Arthrodesis Procedure
1 trials
Platelet Rich Plasma Preparation Device
1 trials
Platelet Rich Plasma Injection Biological
1 trials

US sites by state

Facility locations filed on Osteoarthritis (OA) trials. A trial with sites in several states counts in each.

Washington 1 trials
Utah 1 trials
Oregon 1 trials
Minnesota 1 trials
Michigan 1 trials
Colorado 1 trials

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

What to do with this Osteoarthritis (OA) page

2 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 Osteoarthritis (OA) condition card totals 2 registered trials; most-linked intervention Ankle Arthroplasty; top US site state Washington. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.