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ClinicalTrials.gov 40 recruiting now early-phase tilt #109 of 28,707 conditions

Overweight and Obesity: early-phase trial registry

40 of 116 indexed Overweight and Obesity trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #109 of 28,707 conditions by registered trial count.

116 US clinical trials · 40 currently recruiting · #109 of 28,707 conditions by registered trial count

Overweight and Obesity: 116 US clinical trials tracked, 40 recruiting.

Overweight and Obesity is the subject of 116 registered US clinical trials on ClinicalTrials.gov, 40 of them currently open to new participants. 2 are in Phase 3-4 (later-stage) and 12 in Phase 1-2 (earlier-stage). The most active sponsor is University of Colorado, Denver, running 8 of these trials.

Enrollment posture brief

Registry condition overweight-and-obesity

OPEN 40 | RECR 34% | LATE 2 | EARLY 12 | RANK #109 | SPON 8

Nearest open-share peer: Colitis, Ulcerative (34% recruiting · 29 trials)

Diffuse Large B Cell Lymphom46.1%Pain, Postoperative40.4%Metastatic Cancer40.2%Osteoarthritis, Knee39.1%Overweight and Obesity (this)34%
Open-enrollment share among volume-matched conditions near Overweight and Obesity

Overweight and Obesity lists 40 open slots (34% of 116 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 Overweight and 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.

  1. Overweight and Obesity is recruiting below its size-band peers.

    40 of 116 indexed trials (34.5%) 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 Overweight and Obesity trials is spread across many organizations.

    University of Colorado, Denver accounts for 8 of 116 trials (6.9%). 79 distinct sponsors appear on at least one study for this condition label.

  3. Typical Overweight and Obesity enrolment sits around 100 participants.

    Median target enrolment is 100 among the 116 trials that report a genuine target (sentinel values excluded). 58 of those (50%) plan for fewer than 100 participants.

  4. Overweight and Obesity research is mostly interventional.

    109 interventional and 7 observational studies make up this index (94% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 14Phase 28Phase 31Phase 41

Open and recent trials

116 total, page 2 of 3

ACTIVE NOT RECRUITING NA 125 participants

Daily Caloric Restriction in ADPKD

University of Colorado, Denver

NCT04907799

ACTIVE NOT RECRUITING 100 participants

An Open Label 100 Person Study Evaluating a Natural Supplement for Weight Loss and Fat Loss.

Prostasis, LLC, dba Tonum Health

NCT07152470

ACTIVE NOT RECRUITING NA 70 participants

Fitbit Device Use in Overweight Pregnancy

University of Arizona

NCT06226597

ACTIVE NOT RECRUITING NA 64 participants

Training Effects on Fuel Metabolism

University of Minnesota

NCT02150889

ACTIVE NOT RECRUITING NA 60 participants

Targeting Weight and Shape Concern Among Women with High Body Weight

The Miriam Hospital

NCT05845866

ACTIVE NOT RECRUITING Phase 4 60 participants

Use of Empagliflozin to Treat Prediabetes

Oregon State University

NCT05426525

ACTIVE NOT RECRUITING NA 57 participants

TREAT to Improve Cardiometabolic Health

Columbia University

NCT04465721

ACTIVE NOT RECRUITING NA 52 participants

Fasting ENHANCE Pilot Study

University of Florida

NCT05732935

ACTIVE NOT RECRUITING NA 22 participants

Telehealth Weight Loss Program for Breast Cancer Survivors

Abramson Cancer Center at Penn Medicine

NCT04855552

ACTIVE NOT RECRUITING NA 20 participants

Developing a Weight Management Class as a Recruitment Tool for an Online Weight Loss Program to Rural Illinois Residents

University of Illinois at Urbana-Champaign

NCT06406985

ACTIVE NOT RECRUITING NA 20 participants

Time and Nutrient-Dependent Effects of Aerobic Exercise on Metabolism in Adults (TANDEM Study)

University of Colorado, Denver

NCT06311487

ACTIVE NOT RECRUITING NA 17 participants

Postprandial Inflammation and Nuts (PIN) in Older Adults

Rutgers, The State University of New Jersey

NCT06348771

ACTIVE NOT RECRUITING NA 16 participants

Dietary Oils to Sustain Energy Study

Ohio State University

NCT04975763

ACTIVE NOT RECRUITING NA 13 participants

Improving Metabolic & Mental Health in Female Healthcare Shift Workers

Auburn University

NCT06158204

ACTIVE NOT RECRUITING NA 8 participants

Evaluating the Influence of Diet-induced Weight Loss on Fat (Adipose) Tissue's Insulin Sensitivity and Testosterone Synthesis in Women With Overweight or Obesity, Insulin Resistance, and Hyperandrogenemia

University of Missouri-Columbia

NCT06998238

COMPLETED NA 1,984 participants

SWITCH Implementation Effectiveness Trial

Iowa State University

NCT04045288

COMPLETED NA 1,250 participants

Evaluation of the BOKS Before-school Physical Activity Program

Massachusetts General Hospital

NCT03190135

COMPLETED NA 730 participants

NOURISH+: Nourishing Our Understanding of Role Modeling to Improve Support and Health

Virginia Commonwealth University

NCT01361243

COMPLETED NA 630 participants

Train Your Brain - Executive Function

USDA Grand Forks Human Nutrition Research Center

NCT05938894

COMPLETED NA 578 participants

Healthy Mothers-Healthy Children Nutrition

University of Miami

NCT03866902

COMPLETED NA 502 participants

Promoting Lifestyle Change Via Tailored mHealth Feedback to Improve Health

University of Pittsburgh

NCT03367936

COMPLETED NA 413 participants

Fit and Strong! Plus Comparative Effectiveness Trial

University of Illinois at Chicago

NCT03180008

COMPLETED NA 396 participants

Daily Self-Weighing for Obesity Management in Primary Care

University of Alabama at Birmingham

NCT04044794

COMPLETED NA 291 participants

Randomized Trial Of Achieving Healthy Lifestyles In Psych Rehabilitation

Johns Hopkins University

NCT00902694

COMPLETED NA 200 participants

Tailored Lifestyle Intervention in Obese Adults Within Primary Care Practice - Choose to Lose

Memorial Hospital of Rhode Island

NCT01542671

COMPLETED Phase 1 180 participants

Healthy Summer Learners

University of South Carolina

NCT03321071

COMPLETED Phase 2 179 participants

A Study of LY3305677 Compared With Placebo in Adult Participants With Obesity or Overweight

Eli Lilly and Company

NCT06124807

COMPLETED NA 177 participants

Madres Para la Salud (Mothers for Health)

Arizona State University

NCT01908959

COMPLETED NA 175 participants

Nonalcoholic Fatty Liver Disease and Atherosclerotic Risk in Children

Augusta University

NCT02383485

COMPLETED NA 167 participants

Strong People Strength Training Study

Cornell University

NCT04203563

COMPLETED NA 148 participants

Heart Health 4 New Moms: A Randomized Trial in the First Year After Preeclampsia

University of Pittsburgh

NCT03749746

COMPLETED 139 participants

Circadian Timing, Information Processing and Energy Balance Study

University of Utah

NCT04759755

COMPLETED NA 139 participants

Healthy Eating, Activity and Reduction of Teen Stress

Kent State University

NCT04038684

COMPLETED NA 128 participants

Behavioral Treatment for Weight Loss

Drexel University

NCT00746265

COMPLETED NA 120 participants

IgG-mediated Food Test for Weight Loss

University of Miami

NCT01592071

COMPLETED Phase 2 120 participants

A Study to Evaluate the Safety and Efficacy of NG101 in Adult Participants Receiving a Glucagon-like Peptide-1 (GLP-1) Agonist

Neurogastrx

NCT06500429

COMPLETED NA 102 participants

Healthy Body Healthy Souls in the Marshallese Population

University of Arkansas

NCT03377244

COMPLETED NA 100 participants

UCSD Get Fit, Be Fit Study

University of California, San Diego

NCT03387709

COMPLETED NA 99 participants

PATH to Health: An Exploration of Digital Behavioral Weight Loss Approaches

University of North Carolina, Chapel Hill

NCT05929469

COMPLETED NA 87 participants

Pilot Study on the Effects of a Plant-Strong Diet on Cardiovascular Risk Factors

Phoenix VA Health Care System

NCT03330548

COMPLETED NA 78 participants

Dairy Foods and Weight Loss

USDA, Western Human Nutrition Research Center

NCT00858312

COMPLETED NA 76 participants

Safety and Efficacy of the SMART Device for Overweight and Obese Adults

Scientific Intake Limited

NCT02119299

COMPLETED NA 71 participants

Evaluation of a Lifestyle Medicine Practice

Ohio University

NCT03739034

COMPLETED NA 69 participants

A Trial to Assess Steviol Glycosides on Acute Appetite Hormone Release

Midwest Center for Metabolic and Cardiovascular Research

NCT05287906

COMPLETED NA 68 participants

ACT1ON Phase 2 (SMART Pilot) and Phase 3 (Efficacy Trial Development)

University of North Carolina, Chapel Hill

NCT03651622

COMPLETED NA 67 participants

Novel Executive Function Training for Obesity

University of California, San Diego

NCT03724396

COMPLETED NA 60 participants

Microalgae Extract Phaeosol Combined to Exercise in Healthy Overweight Women : Efficacy on Body Weight Management

Microphyt

NCT04761406

COMPLETED NA 58 participants

Optimizing Weight Loss Outcomes Through Body Image Enhancement

Texas Tech University

NCT05090293

COMPLETED NA 50 participants

Cognitive Behavioral Therapy for Adolescent Binge Eating and Loss of Control Eating

Yale University

NCT04088097

COMPLETED NA 41 participants

Improving Emotion Regulation Skills Among Adolescents Attempting to Lose Weight

Rhode Island Hospital

NCT03393221

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Phase Distribution

PhaseTrial count
Phase 1 4
Phase 2 8
Phase 3 1
Phase 4 1

Named interventions

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

Placebo Drug
5 trials
Control Behavioral
3 trials
Control Other
3 trials
CONTROL Other
3 trials
Counseling Behavioral
2 trials
Standard Behavioral Weight Control (SBWC) Behavioral
1 trials
Mindfulness-Based Weight Control (MBWC) Behavioral
1 trials
cinnamon Dietary supplement
1 trials

US sites by state

Facility locations filed on Overweight and Obesity trials. A trial with sites in several states counts in each.

California 16 trials
Pennsylvania 12 trials
Florida 10 trials
Colorado 8 trials
Texas 6 trials
Maryland 6 trials
Massachusetts 6 trials
Georgia 6 trials

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

What to do with this Overweight and Obesity page

116 registered trials, 40 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 Overweight and Obesity condition card totals 116 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.