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ClinicalTrials.gov enrollment closed early-phase tilt

Sedentary Lifestyle: early-phase trial registry

All 26 indexed Sedentary Lifestyle trials have closed enrollment; the archived set skews early-phase.

Corpus placement: #627 of 28,707 conditions by registered trial count.

26 US clinical trials · none currently recruiting · #627 of 28,707 conditions by registered trial count

Sedentary Lifestyle: 26 US clinical trials tracked, none currently recruiting.

Sedentary Lifestyle is the subject of 26 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. 0 are in Phase 3-4 (later-stage) and 3 in Phase 1-2 (earlier-stage). The most active sponsor is University of California, San Diego, running 3 of these trials.

Enrollment posture brief

Registry condition sedentary-lifestyle

OPEN 0 | RECR 0% | LATE 0 | EARLY 3 | RANK #627 | SPON 3

Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)

Autoimmune Diseases53.8%Cancer Survivor26.9%Anaplastic Large Cell Lympho19.2%Adult Acute Myeloid Leukemia0%Sedentary Lifestyle (this)0%
Open-enrollment share among volume-matched conditions near Sedentary Lifestyle

Sedentary Lifestyle has no open enrollment in this registry pull (26 archived studies). Peers show how other volume-matched labels compare on open share. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Sedentary Lifestyle 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. Sedentary Lifestyle is recruiting below its size-band peers.

    0 of 26 indexed trials (0%) 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.

  2. Sponsorship of Sedentary Lifestyle trials is spread across many organizations.

    University of California, San Diego accounts for 3 of 26 trials (11.5%). 21 distinct sponsors appear on at least one study for this condition label.

  3. Most Sedentary Lifestyle trials plan to enrol fewer than 100 people.

    Median target enrolment is 64 among the 26 trials that report a genuine target (sentinel values excluded). 20 of those (76.9%) plan for fewer than 100 participants.

  4. Sedentary Lifestyle research is mostly interventional.

    25 interventional and 1 observational studies make up this index (96.2% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 11Phase 22

Indexed trials (enrollment closed)

26 total, page 1 of 1

ACTIVE NOT RECRUITING NA 78 participants

Sedentary Behavior Interrupted: A Trial of Acute Effects on Biomarkers of Healthy Aging

University of California, San Diego

NCT03511352

COMPLETED NA 864 participants

A Medical Assistant-Based Program to Promote Healthy Behaviors in Primary Care

The University of Texas Health Science Center at San Antonio

NCT00273806

COMPLETED NA 212 participants

Lottery Incentives for Moving

Harvard University

NCT01278654

COMPLETED NA 194 participants

Strong Hearts: Rural CVD Prevention

Cornell University

NCT02499731

COMPLETED NA 167 participants

Strong People Strength Training Study

Cornell University

NCT04203563

COMPLETED NA 142 participants

Financial Incentives to Exercise for Adolescents

University of Oklahoma

NCT01848353

COMPLETED Phase 2 126 participants

Fatigue Interventions in Cancer (Exercise Intervention)

University of Utah

NCT03421782

COMPLETED NA 86 participants

Increasing Physical Activity Among Sedentary Older Adults:What, Where, When, and With Whom

Brandeis University

NCT03124537

COMPLETED NA 80 participants

Senior Change Makers Study: Improving Physical Activity Environments

University of California, San Diego

NCT02944838

COMPLETED NA 78 participants

Aerobic Exercise and Cognitive Training in Older Adults

VA Office of Research and Development

NCT02787655

COMPLETED Phase 2 64 participants

Nitrites, Skeletal Muscle Mitochondrial Bioenergetics, and Physical Activity in Old Age

Gladwin, Mark, MD

NCT04405180

COMPLETED NA 64 participants

CalFitness Smartphone-Delivered Physical Activity Intervention

University of California, Berkeley

NCT02886871

COMPLETED NA 64 participants

The Moms Online Video Exercise Study

University of California, San Francisco

NCT02805140

COMPLETED 64 participants

Pilot Data Collection for Activity, Adiposity, and Appetite in Adolescents

Children's Mercy Hospital Kansas City

NCT03157063

COMPLETED NA 63 participants

Testing Health Games for Adolescent Physical Activity

University of California, San Diego

NCT01171261

COMPLETED NA 52 participants

Effects of Exercise Training Intensity on Fitness and Insulin Sensitivity in African Americans

East Carolina University

NCT02892331

COMPLETED NA 40 participants

CalFitness Smartphone-Delivered Physical Activity Intervention With Messaging

University of California, Berkeley

NCT03148145

COMPLETED NA 35 participants

Sedentary Behavior and Health Outcomes Study

University of Southern California

NCT03153930

COMPLETED NA 33 participants

A Mobile Intervention to Reduce Pain and Improve Health (MORPH)

Wake Forest University Health Sciences

NCT03377634

COMPLETED NA 31 participants

Mitochondrial Remodeling After Exercise

Oregon State University

NCT04103424

COMPLETED NA 24 participants

Sit Less for Successful Aging

University of Pittsburgh

NCT03537677

COMPLETED Phase 1 23 participants

The Physiologic Effects of Intranasal Oxytocin on Sarcopenic Obesity

Sara Espinoza

NCT03119610

COMPLETED NA 21 participants

Activating Behavior for Lasting Engagement After Stroke

University of Pittsburgh

NCT03305731

COMPLETED NA 20 participants

Relationships Between Exercise and Emotion Regulation on Physical Activity in Frail Older Adults

Northeastern University

NCT03514160

COMPLETED NA 13 participants

Increasing Spontaneous Non-exercise Activity (The Sitting Study)

USDA Grand Forks Human Nutrition Research Center

NCT02809521

COMPLETED NA 8 participants

Aerobic Treadmill Exercise And Metabolism

University of South Carolina

NCT03162991

Phase Distribution

PhaseTrial count
Phase 1 1
Phase 2 2

Named interventions

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

Step Goal Delivery by Smartphone Behavioral
2 trials
Activating Behavior for Lasting Engagement Behavioral
1 trials
App Condition Control Behavioral
1 trials
App Experimental condition Behavioral
1 trials
Strong People Strength Training Behavioral
1 trials
Activity Liking Other
1 trials
Group exercise Behavioral
1 trials
Data Collection Procedures Diagnostic test
1 trials

US sites by state

Facility locations filed on Sedentary Lifestyle trials. A trial with sites in several states counts in each.

California 7 trials
Pennsylvania 3 trials
Massachusetts 3 trials
Texas 2 trials
North Carolina 2 trials
Montana 2 trials
Utah 1 trials
South Carolina 1 trials

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

What to do with this Sedentary Lifestyle page

26 registered trials, 0 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 Sedentary Lifestyle condition card totals 26 registered trials; most-linked intervention Step Goal Delivery by Smartphone; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.