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ClinicalTrials.gov 4 recruiting now early-phase tilt small index

Knee Osteoarthritis (OA): early-phase trial registry

4 of 4 indexed Knee Osteoarthritis (OA) 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 · 4 currently recruiting · #4,115 of 28,707 conditions by registered trial count

Knee Osteoarthritis (OA): 4 US clinical trials tracked, 4 recruiting.

Knee Osteoarthritis (OA) is the subject of 4 registered US clinical trials on ClinicalTrials.gov, 4 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 University of Chicago, running 2 of these trials.

Enrollment posture brief

Registry condition knee-osteoarthritis-oa

OPEN 4 | RECR 100% | LATE 0 | EARLY 2 | RANK #4115 | SPON 2

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

Knee Osteoarthritis (this)100%Ablation80%ACL Reconstruction80%Abuse, Drug60%Acceptability60%
Open-enrollment share among volume-matched conditions near Knee Osteoarthritis (OA)

Knee Osteoarthritis (OA) lists 4 open slots (100% 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 Knee 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. Knee Osteoarthritis (OA) is recruiting above its size-band peers.

    4 of 4 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 22

Phase Distribution

PhaseTrial count
Phase 2 2

Named interventions

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

Participants are given a placebo to take for 7 days on the day they receive a dextrose prolotherapy (DPT) injection. These procedures are repeated every 3-5 weeks for a total of 3 times. Drug
1 trials
Participants are given Ibuprofen 400 mg to take for 7 days on the day they receive a dextrose prolotherapy (DPT) injection. These procedures are repeated every 3-5 weeks for a total of 3 times. Drug
1 trials
Simple angiogram Procedure
1 trials
Registry (N/A) Other
1 trials
Genicular Artery Embolization Procedure
1 trials
Lipiodol Device
1 trials

US sites by state

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

Illinois 2 trials
Pennsylvania 1 trials
California 1 trials

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

What to do with this Knee Osteoarthritis (OA) page

4 registered trials, 4 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • 4 Knee Osteoarthritis (OA) trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • University of Chicago sponsors the most Knee Osteoarthritis (OA) trials on record, review their full trial history before evaluating a specific study. See University of Chicago'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 Knee Osteoarthritis (OA) condition card totals 4 registered trials; most-linked intervention Participants are given a placebo to take for 7 days on the day they receive a dextrose prolotherapy (DPT) injection. These procedures are repeated every 3-5 weeks for a total of 3 times.; top US site state Illinois. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.