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ClinicalTrials.gov 10 recruiting now early-phase tilt small index

Knee Pain Chronic: early-phase trial registry

10 of 19 indexed Knee Pain Chronic trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #902 of 28,707 conditions by registered trial count.

19 US clinical trials · 10 currently recruiting · #902 of 28,707 conditions by registered trial count

Knee Pain Chronic: 19 US clinical trials tracked, 10 recruiting.

Knee Pain Chronic is the subject of 19 registered US clinical trials on ClinicalTrials.gov, 10 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is Zimmer Biomet, running 4 of these trials.

Enrollment posture brief

Registry condition knee-pain-chronic

OPEN 10 | RECR 53% | LATE 0 | EARLY 1 | RANK #902 | SPON 4

Nearest open-share peer: Colorectal Cancer Metastatic (53% recruiting · 19 trials)

Knee Pain Chronic (this)53%Amyotrophic Lateral Sclerosi52.6%Anesthesia, Local42.1%Alcohol Consumption36.8%Attention Deficit Hyperactiv26.3%
Open-enrollment share among volume-matched conditions near Knee Pain Chronic

Knee Pain Chronic lists 10 open slots (53% of 19 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 Pain Chronic 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 Pain Chronic is recruiting above its size-band peers.

    10 of 19 indexed trials (52.6%) 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.

  2. One sponsor concentrates Knee Pain Chronic research.

    Zimmer Biomet accounts for 4 of 19 trials (21.1%). 16 distinct sponsors appear on at least one study for this condition label.

  3. Typical Knee Pain Chronic enrolment sits around 152 participants.

    Median target enrolment is 152 among the 19 trials that report a genuine target (sentinel values excluded). 5 of those (26.3%) plan for fewer than 100 participants.

  4. Knee Pain Chronic research is mostly interventional.

    17 interventional and 2 observational studies make up this index (89.5% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 21

Open and recent trials

19 total, page 1 of 1

RECRUITING 760 participants

Persona OsseoTi Keel Compatibility Study (Total Knee Arthroplasty)

Zimmer Biomet

NCT05787821

RECRUITING NA 500 participants

SMART Embedded Intervention for Military Postsurgical Engagement Readiness

University of Utah

NCT05050409

RECRUITING NA 152 participants

BioPoly® Partial Resurfacing Knee Implant IDE

BioPoly

NCT06915363

RECRUITING NA 150 participants

Optimizing Pain Self-Management in Total Knee Arthroplasty

University of Virginia

NCT06038240

RECRUITING Phase 2 110 participants

Pain Reprocessing Therapy in Post-Operative Knee Pain

University of Colorado, Denver

NCT06800209

RECRUITING NA 100 participants

Prospective Functional, Gait, and Outcome Comparison Study of Medial Pivot Versus Single Radius Design for Total Knee Arthroplasty

LifeBridge Health

NCT04814082

RECRUITING NA 100 participants

Computer-guided Action Planning to Support Physical Activity (CAPPA) for Employees with Chronic Knee Symptoms

Marquette University

NCT06734052

RECRUITING NA 60 participants

Upper and Lower Extremity Exercise and Exercise-Induced Hypoalgesia in Knee Osteoarthritis

University of Texas, El Paso

NCT06105788

RECRUITING NA 30 participants

Transcranial Direct Current Stimulation in Conjunction with Individualized Physical Therapy for Individuals with Chronic Knee Pain

University of Illinois at Chicago

NCT06132412

RECRUITING NA 15 participants

Focused Extracorporeal Shockwave Therapy for Knee Arthritis

Kessler Foundation

NCT05596591

ACTIVE NOT RECRUITING NA 737 participants

Persona Total Knee Arthroplasty Outcomes Study

Zimmer Biomet

NCT02255383

ACTIVE NOT RECRUITING NA 325 participants

HFIT Versus TENS Study for Chronic Low Back and Knee Pain

Hinge Health

NCT05821530

ACTIVE NOT RECRUITING NA 300 participants

Cemented vs Cementless Persona Keel RCT

Zimmer Biomet

NCT05630053

ACTIVE NOT RECRUITING 269 participants

Performance of MOTO Medial® Unicompartmental Knee Arthroplasty

Medacta U

NCT03211663

ACTIVE NOT RECRUITING NA 258 participants

Maximizing Patient Goal Attainment

Dartmouth-Hitchcock Medical Center

NCT05652270

ACTIVE NOT RECRUITING NA 240 participants

Persona Ti-Nidium Post-Market Clinical Follow-up

Zimmer Biomet

NCT04817969

ACTIVE NOT RECRUITING NA 178 participants

Prophylactic Infrapatellar Saphenous Neurectomy in Primary Total Knee Arthroplasty

Mayo Clinic

NCT04028947

ACTIVE NOT RECRUITING NA 30 participants

Dorsal Root Ganglion Stimulation for the Treatment of Arthritic Knee Pain

Kenneth B Chapman

NCT05103527

COMPLETED NA 51 participants

Gold Factor on Knee Joint Health and Function

4Life Research

NCT05347602

Phase Distribution

PhaseTrial count
Phase 2 1

Top Sponsors

Named interventions

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

Gold Factor (Gold Nanoparticles, AuNPs) Dietary supplement
1 trials
HFIT Device
1 trials
MOTO Medial® UKA Device
1 trials
Goal Tracking Behavioral
1 trials
Goal Development Behavioral
1 trials
Goal Attainment Behavioral
1 trials
Dorsal Root Ganglion Stimulation Device
1 trials
Zimmer Biomet Persona Ti-Nidium Total Knee System Device
1 trials

US sites by state

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

Texas 5 trials
Colorado 5 trials
Virginia 4 trials
Pennsylvania 4 trials
North Carolina 4 trials
New York 3 trials
Maryland 3 trials
Illinois 3 trials

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

What to do with this Knee Pain Chronic page

19 registered trials, 10 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • 10 Knee Pain Chronic trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • Zimmer Biomet sponsors the most Knee Pain Chronic trials on record, review their full trial history before evaluating a specific study. See Zimmer Biomet'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 Pain Chronic condition card totals 19 registered trials; most-linked intervention Gold Factor (Gold Nanoparticles, AuNPs); top US site state Texas. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.