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ClinicalTrials.gov 45 recruiting now full pipeline #110 of 28,707 conditions

Osteoarthritis, Knee: full-pipeline trial registry

45 of 115 indexed Osteoarthritis, Knee trials are currently recruiting.

Corpus placement: #110 of 28,707 conditions by registered trial count.

115 US clinical trials · 45 currently recruiting · #110 of 28,707 conditions by registered trial count

Osteoarthritis, Knee: 115 US clinical trials tracked, 45 recruiting.

Osteoarthritis, Knee is the subject of 115 registered US clinical trials on ClinicalTrials.gov, 45 of them currently open to new participants. 23 are in Phase 3-4 (later-stage) and 34 in Phase 1-2 (earlier-stage). The most active sponsor is Regeneron Pharmaceuticals, running 4 of these trials.

Enrollment posture brief

Registry condition osteoarthritis-knee

OPEN 45 | RECR 39% | LATE 23 | EARLY 34 | RANK #110 | SPON 4

Nearest open-share peer: Advanced Non-Small-Cell Lung Cancer (39% recruiting · 23 trials)

Diffuse Large B Cell Lymphom46.1%Pain, Postoperative40.4%Metastatic Cancer40.2%Osteoarthritis, Knee (this)39%Overweight and Obesity34.5%
Open-enrollment share among volume-matched conditions near Osteoarthritis, Knee

Osteoarthritis, Knee lists 45 open slots (39% of 115 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, Knee 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, Knee is recruiting above its size-band peers.

    45 of 115 indexed trials (39.1%) are open to enrollment, against a 37.1% average across 139 conditions with 100+ trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.

  2. Sponsorship of Osteoarthritis, Knee trials is spread across many organizations.

    Regeneron Pharmaceuticals accounts for 4 of 115 trials (3.5%). 90 distinct sponsors appear on at least one study for this condition label.

  3. Typical Osteoarthritis, Knee enrolment sits around 120 participants.

    Median target enrolment is 120 among the 113 trials that report a genuine target (sentinel values excluded). 44 of those (38.9%) plan for fewer than 100 participants.

  4. Osteoarthritis, Knee research is mostly interventional.

    104 interventional and 11 observational studies make up this index (90.4% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 117Phase 217Phase 314Phase 49

Open and recent trials

115 total, page 3 of 3

COMPLETED NA 60 participants

OA Clinic-Community CARE Model

University of North Carolina, Chapel Hill

NCT05349500

COMPLETED NA 56 participants

Gait Modifications and Cutaneous Stimulation

Stanford University

NCT02884414

COMPLETED 52 participants

A Study of the Construct Validity of Community Walking Speed Data Collected Remotely With the Canary canturioTM te Tibial Extension

Canary Medical

NCT05539326

COMPLETED 50 participants

Knee Kinematics for Subjects With Zimmer-Biomet Posterior Cruciate Retaining or Posterior Stabilizing Total Knee Arthroplasty

The University of Tennessee, Knoxville

NCT04103515

COMPLETED NA 44 participants

Prehabilitation Using Aquatic Exercise

Wake Forest University Health Sciences

NCT02773745

COMPLETED Phase 1 35 participants

Effect of Zilretta Injection

University of North Carolina, Chapel Hill

NCT04261049

COMPLETED Phase 1 34 participants

Sustained Acoustic Medicine (SAM) Combined With a Diclofenac Ultrasound Coupling Patch for Knee Osteoarthritis

ZetrOZ

NCT04391842

COMPLETED Phase 1 32 participants

Safety, Tolerability, and Efficacy of XT-150 for the Treatment of Osteoarthritic Pain

Xalud Therapeutics

NCT03477487

COMPLETED NA 30 participants

Self Cranial Electrical Stimulation (CES) for Pain in Older Adults With Knee Osteoarthritis (Self CES for Knee Pain)

The University of Texas Health Science Center, Houston

NCT04016259

COMPLETED NA 16 participants

Analgesic Value of Adductor Canal vs Femoral Block After Total Knee Arthroplasty

Duke University

NCT03395990

COMPLETED Phase 1 10 participants

Study to Evaluate the Safety and Efficacy of a Low Level Light Device in Patients With Knee Osteoarthritis

Light Sciences

NCT00375544

COMPLETED NA 9 participants

Radiofrequency For Chronic Knee Pain Post-Arthroplasty

Randall Brewer, MD, CPI

NCT02931435

COMPLETED Phase 1 6 participants

Study of a Steroid Delivery System for Pain Relief Treatment in Patients With Knee Osteoarthritis

Mark Figgie

NCT02873273

COMPLETED NA

Cost-Effectiveness of and Long-Term Outcomes Following Acupuncture Treatment for Osteoarthritis of the Knee

National Center for Complementary and Integrative Health (NCCIH)

NCT00010647

COMPLETED Phase 3

Comparison of Hylastan to Methylprednisolone Acetate in Patients With Symptomatic Osteoarthritis of the Knee

Genzyme, a Sanofi Company

NCT00139295

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Phase Distribution

PhaseTrial count
Phase 1 17
Phase 2 17
Phase 3 14
Phase 4 9

Named interventions

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

Placebo Drug
13 trials
Placebo Other
5 trials
Fasinumab Drug
3 trials
Sustained Acoustic Device with 0% Diclofenac Patch Device
2 trials
Naproxen Drug
2 trials
MISHA Knee System Device
2 trials
2.5% Diclofenac Patches Drug
2 trials
Sustained Acoustic Device with 2.5% Diclofenac Patch Device
2 trials

US sites by state

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

California 40 trials
Florida 31 trials
New York 24 trials
North Carolina 22 trials
Arizona 22 trials
Illinois 18 trials
Texas 15 trials
Maryland 14 trials

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

What to do with this Osteoarthritis, Knee page

115 registered trials, 45 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, Knee condition card totals 115 registered trials; most-linked intervention Placebo; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.