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ClinicalTrials.gov 2 recruiting now early-phase tilt small index

Arthroplasty, Replacement, Knee: early-phase trial registry

2 of 13 indexed Arthroplasty, Replacement, Knee trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #1,315 of 28,707 conditions by registered trial count.

13 US clinical trials · 2 currently recruiting · #1,315 of 28,707 conditions by registered trial count

Arthroplasty, Replacement, Knee: 13 US clinical trials tracked, 2 recruiting.

Arthroplasty, Replacement, Knee is the subject of 13 registered US clinical trials on ClinicalTrials.gov, 2 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 Northwestern University, running 2 of these trials.

Enrollment posture brief

Registry condition arthroplasty-replacement-knee

OPEN 2 | RECR 15% | LATE 0 | EARLY 1 | RANK #1315 | SPON 2

Nearest open-share peer: Cannabis Dependence (15% recruiting · 13 trials)

ACL Injury61.5%Acute Biphenotypic Leukemia46.2%Accidental Falls30.8%Actinic Keratoses23.1%Arthroplasty, Replacemen (th…15%
Open-enrollment share among volume-matched conditions near Arthroplasty, Replacement, Knee

Arthroplasty, Replacement, Knee lists 2 open slots (15% of 13 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 Arthroplasty, Replacement, 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. Arthroplasty, Replacement, Knee is recruiting below its size-band peers.

    2 of 13 indexed trials (15.4%) 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 Arthroplasty, Replacement, Knee research.

    Northwestern University accounts for 2 of 13 trials (15.4%). 11 distinct sponsors appear on at least one study for this condition label.

  3. Typical Arthroplasty, Replacement, Knee enrolment sits around 150 participants.

    Median target enrolment is 150 among the 13 trials that report a genuine target (sentinel values excluded). 5 of those (38.5%) plan for fewer than 100 participants.

  4. Arthroplasty, Replacement, Knee research is mostly interventional.

    10 interventional and 3 observational studies make up this index (76.9% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 21

Open and recent trials

13 total, page 1 of 1

RECRUITING NA 179 participants

A Prospective, Single-arm, Trial to Determine Contamination Rates When Using an Antibacterial Incise Drape During Orthopedic Surgery

Solventum US

NCT07356323

RECRUITING NA 153 participants

Real-component Vs All-cement Articulating Spacers for Periprosthetic Knee Infection

Northwestern University

NCT06293352

ACTIVE NOT RECRUITING NA 150 participants

TracPatch in Total Knee Arthroplasty

University of Miami

NCT03466476

ACTIVE NOT RECRUITING 60 participants

Metal Ion Concentrations After Total Knee Arthroplasty

Mayo Clinic

NCT06447922

ACTIVE NOT RECRUITING 32 participants

CGM Monitoring in T2DM Patients Undergoing Orthopaedic Replacement Surgery

Stony Brook University

NCT05666479

COMPLETED NA 518 participants

X-3 Polyethylene Survival Outcomes Study

Mayo Clinic

NCT00493792

COMPLETED Phase 2 487 participants

Preventing Persistent Post-Surgical Pain and Dysfunction

Barbara A Rakel

NCT03965897

COMPLETED NA 419 participants

Triathlon® Cruciate Retaining (CR) Total Knee System Outcomes Study

Stryker Orthopaedics

NCT00957723

COMPLETED NA 150 participants

Traditional vs Oral Fluid Management in Total Knee Arthroplasty

Colorado Joint Replacement

NCT03719378

COMPLETED NA 106 participants

Study to Evaluate ACB Versus FNB Early Postoperative Period Functional Outcomes After TKA

George Macrinici

NCT02218814

COMPLETED NA 70 participants

Does Radiofrequency Ablation of the Articular Nerves of the Knee Prior to Total Knee Replacement Improve Pain Outcomes

Northwestern University

NCT02746874

COMPLETED NA 57 participants

Music Therapy Versus Control for Total Knee Arthroplasty

University of Alabama at Birmingham

NCT03569397

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

Phase Distribution

PhaseTrial count
Phase 2 1

Named interventions

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

Triathlon® CR Total Knee System Device
1 trials
Simulated Radiofrequency Ablation (RFA) Procedure
1 trials
Radiofrequency Ablation (RFA) Procedure
1 trials
Femoral Nerve Block, Bupivacaine Procedure
1 trials
Adductor Canal Block, Bupivacaine Procedure
1 trials
Zimmer-Biomet Posterior Stabilizing total knee arthroplasty Device
1 trials
Zimmer-Biomet Posterior Cruciate Retaining total knee arthroplasty Device
1 trials
N2Vac Polyethylene Device
1 trials

US sites by state

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

Illinois 3 trials
Florida 3 trials
Tennessee 2 trials
New York 2 trials
Minnesota 2 trials
Iowa 2 trials
Arizona 2 trials
Wisconsin 1 trials

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

What to do with this Arthroplasty, Replacement, Knee page

13 registered trials, 2 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • 2 Arthroplasty, Replacement, Knee trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • Northwestern University sponsors the most Arthroplasty, Replacement, Knee trials on record, review their full trial history before evaluating a specific study. See Northwestern University'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 Arthroplasty, Replacement, Knee condition card totals 13 registered trials; most-linked intervention Triathlon® CR Total Knee System; top US site state Illinois. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.