Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Surgery: later-stage trial registry
44 of 121 indexed Surgery trials are currently recruiting, with more weight in Phase 3-4.
Corpus placement: #102 of 28,707 conditions by registered trial count.
121 US clinical trials · 44 currently recruiting · #102 of 28,707 conditions by registered trial count
Surgery: 121 US clinical trials tracked, 44 recruiting.
Surgery is the subject of 121 registered US clinical trials on ClinicalTrials.gov, 44 of them currently open to new participants. 21 are in Phase 3-4 (later-stage) and 8 in Phase 1-2 (earlier-stage). The most active sponsor is University of Wisconsin, Madison, running 6 of these trials.
Enrollment posture brief
Registry condition surgery
OPEN 44 | RECR 36% | LATE 21 | EARLY 8 | RANK #102 | SPON 6
Volume-matched condition peers
Nearest open-share peer: Acquired Brain Injury (36% recruiting · 11 trials)
Surgery lists 44 open slots (36% of 121 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 Surgery 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.
-
Surgery recruits in line with its size-band peers.
44 of 121 indexed trials (36.4%) 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.
-
Sponsorship of Surgery trials is spread across many organizations.
University of Wisconsin, Madison accounts for 6 of 121 trials (5%). 77 distinct sponsors appear on at least one study for this condition label.
-
Typical Surgery enrolment sits around 100 participants.
Median target enrolment is 100 among the 121 trials that report a genuine target (sentinel values excluded). 60 of those (49.6%) plan for fewer than 100 participants.
-
Surgery research is mostly interventional.
96 interventional and 25 observational studies make up this index (79.3% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
121 total, page 3 of 3
Timing of Repeat Voiding Trials After Outpatient Pelvic Floor Surgery
The Cleveland Clinic
NCT03048682
Comparison of Blood Pressure Measurements in Upper and Lower Extremities in Children Under General Anesthesia
Nationwide Children's Hospital
NCT03220906
SURGX Antimicrobial Gel Versus Povidone-iodine Skin Incision Prep in Total Shoulder Arthroplasty
St. Louis University
NCT05919888
A Pilot Study to Assess the Accuracy of Blood Pressure Assessment by the Omron HeartGuide Smartwatch
The Cleveland Clinic
NCT03986281
Electrophysiological Comparison of mAP and mADM Using EMG
Mayo Clinic
NCT03360825
Quadratus Lumborum Block for Analgesia Following Hip Arthroscopy
Medical University of South Carolina
NCT03557125
Calibration and Validation of Masimo's O3 Regional Oximetry Device in Neonates, Infants and Children
Masimo Corporation
NCT03123354
Ultrasound Determination of Needle Depth in Epidurals in Adult Patients
University of Chicago
NCT00981916
Air Barrier System Device to Reduce Contamination in Posterior Spine Surgery
Nimbic Systems
NCT01559506
Clinical Trial Evaluating the Efficiency of Holmium Laser Settings on Urinary Stones
University of Wisconsin, Madison
NCT03526458
A Randomized, Controlled Trial of the Effectiveness of Perioperative Antibiotics for Reduction of Burn Wound Bacterial Concentration Following Grafting
Medstar Health Research Institute
NCT04516148
Cognitive Behavioral Therapy (CBT) Pain Prevention Intervention for Women Undergoing Surgery
Brigham and Women's Hospital
NCT06335485
Utilization of Different Virtual Reality Experiences
Oregon Health and Science University
NCT04828980
Feasibility and Acceptability of ReCognitionVR-based Cognitive Stimulation in Surgical Patients
The Methodist Hospital Research Institute
NCT06232317
Comparison of Non-invasive and Invasive Blood Pressure Monitors
University of Massachusetts, Worcester
NCT04506775
Endotracheal Tube Holder and Bite Guard Research
University of California, Los Angeles
NCT02347488
Device to Reduce Surgery Site Contamination
Nimbic Systems
NCT00972153
Respiratory Strength Training in Cardiac Surgical Patients
University of Florida
NCT04887415
Use of an External Erectile Device in Transgender Man Following Phalloplasty
Boston Children's Hospital
NCT03823014
Effect of Perampanel on Peritumoral Hyperexcitability in HGG
Dana-Farber Cancer Institute
NCT04497142
Intraoperative Evaluation of Axillary Lymphatics
University of Wisconsin, Madison
NCT05094102
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 3 |
| Phase 2 | 5 |
| Phase 3 | 9 |
| Phase 4 | 12 |
Top Sponsors
Named interventions
Most-linked intervention names on Surgery records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Surgery trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Surgery page
121 registered trials, 44 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 44 Surgery trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- University of Wisconsin, Madison sponsors the most Surgery trials on record, review their full trial history before evaluating a specific study. See University of Wisconsin, Madison'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 Surgery condition card totals 121 registered trials; most-linked intervention NSAID; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.