Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Morbid Obesity: full-pipeline trial registry
6 of 25 indexed Morbid Obesity trials are currently recruiting.
Corpus placement: #652 of 28,707 conditions by registered trial count.
25 US clinical trials · 6 currently recruiting · #652 of 28,707 conditions by registered trial count
Morbid Obesity: 25 US clinical trials tracked, 6 recruiting.
Morbid Obesity is the subject of 25 registered US clinical trials on ClinicalTrials.gov, 6 of them currently open to new participants. 3 are in Phase 3-4 (later-stage) and 3 in Phase 1-2 (earlier-stage). The most active sponsor is Oregon Weight Loss Surgery, running 2 of these trials.
Enrollment posture brief
Registry condition morbid-obesity
OPEN 6 | RECR 24% | LATE 3 | EARLY 3 | RANK #652 | SPON 2
Volume-matched condition peers
Nearest open-share peer: Cardiac Disease (24% recruiting · 25 trials)
Morbid Obesity lists 6 open slots (24% of 25 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 Morbid Obesity 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.
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Morbid Obesity is recruiting below its size-band peers.
6 of 25 indexed trials (24%) are open to enrollment, against a 39.7% average across 762 conditions with 20-99 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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Sponsorship of Morbid Obesity trials is spread across many organizations.
Oregon Weight Loss Surgery accounts for 2 of 25 trials (8%). 23 distinct sponsors appear on at least one study for this condition label.
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Most Morbid Obesity trials plan to enrol fewer than 100 people.
Median target enrolment is 66 among the 25 trials that report a genuine target (sentinel values excluded). 15 of those (60%) plan for fewer than 100 participants.
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Morbid Obesity splits between interventional and observational designs.
16 interventional and 9 observational studies make up this index (64% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
25 total, page 1 of 1
Metabolic Responses to Bariatric Surgery
University of California, Davis
NCT02024542
Gut Microbiota in Metabolic Surgery
Vanderbilt University Medical Center
NCT05000996
Effect of Limb Length Ratio on Roux-en-Y Gastric Bypass Outcomes (CLIMB II Study)
Salvador Navarrete
NCT06293703
Induction of Labor in Morbidly Obese Patients
University of Maryland, Baltimore
NCT06199154
Impact GLP-1 Agonists Following Bariatric
University of Missouri-Columbia
NCT06132477
Whole Transcriptome Profiling and Metabolic Phenotyping in Children With ROHHAD Syndrome
Columbia University
NCT02602769
Activity Level Monitoring Study
Ohio State University
NCT05379088
Appetite Suppression / Hormone Study Control Group
Oregon Weight Loss Surgery
NCT02029677
Treatment of Low Metabolic Rate Following Bariatric Surgery
Oregon Weight Loss Surgery
NCT01596907
Laparoscopic Gastric Bypass vs LAP-BAND for Treatment of Morbid Obesity
University of California, Irvine
NCT00247377
Follow-up of Adolescent Bariatric Surgery
Children's Hospital Medical Center, Cincinnati
NCT00776776
DPE Technique in Labor Epidural for Morbidly Obese Women
Duke University
NCT03074695
Clinical Proposal for the Comparison of Intraperitoneal Anesthetic to Injected Local Anesthetic
Pinnacle Health System
NCT00508976
Oxygen Reserve Index: Utility as Early Warning for Desaturation in Morbidly Obese Patients
Masimo Corporation
NCT03021551
Transversus Abdominis Plane (TAP) Block Using Liposomal Bupivacaine in Metabolic and Bariatric Surgery Patients
Wake Forest University Health Sciences
NCT05537883
Effect of CPAP on Fetal pH at Scheduled C-section in Morbidly Obese Women
Eastern Virginia Medical School
NCT04993651
Assessment of Insulin Resistance, NAFLD, Predictors of CV Morbidity, and Subcutaneous Adipose and Visceral Adipose Gene Expression in Patients Undergoing Gastric Bypass Surgery
University of Massachusetts, Worcester
NCT01007955
Effects of Sleeve Gastrectomy on Calcium Metabolism and the Skeleton
San Francisco Veterans Affairs Medical Center
NCT02778490
Glucose Homeostasis Pre and Post Bariatric Surgery
Washington University School of Medicine
NCT00981500
Utilization of Very Low Calorie Diet in Obese General Surgery Patients
Christiana Care Health Services
NCT03553849
Laparoscopic Adjustable Gastric Banding in Adolescents
Kirk Reichard
NCT01619488
Neurohumoral Control of Intestinal Electrical and Mechanical Activity
University of California, Davis
NCT00852553
Laparoscopic Adjustable Gastric Banding as a Treatment for Morbid Obesity in Adolescents
University of Illinois at Chicago
NCT00592202
Effect of Macrocomposition on Nonalcoholic Fatty Liver Disease (NAFLD) in Bariatric Surgery Candidates
University of Michigan
NCT00887393
Laparoscopic Sleeve Gastrectomy With and Without Omentectomy
North Texas Veterans Healthcare System
NCT00434525
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 2 |
| Phase 2 | 1 |
| Phase 3 | 1 |
| Phase 4 | 2 |
Top Sponsors
Named interventions
Most-linked intervention names on Morbid Obesity records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Morbid Obesity 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 Morbid Obesity page
25 registered trials, 6 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 6 Morbid Obesity trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Oregon Weight Loss Surgery sponsors the most Morbid Obesity trials on record, review their full trial history before evaluating a specific study. See Oregon Weight Loss Surgery'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 Morbid Obesity condition card totals 25 registered trials; most-linked intervention Sleeve gastrectomy; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.