A smartphone app may help young cancer survivors get fitter — a trial puts it to the test

NCT ID NCT03223753

Disease control Sponsor: Children's Oncology Group Source: ClinicalTrials.gov ↗

First seen Jul 24, 2026 · Last updated Jul 24, 2026

Summary

This phase 3 trial tests whether a web-based physical activity program, including a wearable tracker and interactive app, can improve fitness and long-term health in children and adolescents who have completed cancer treatment. Participants are randomly assigned to receive either the full interactive program or a limited version with educational handouts. The study measures changes in walking efficiency, heart health markers, and quality of life over 24 weeks.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance: a web-based physical activity program with a wearable tracker and interactive app
What this could lead to: If effective, this program could help young cancer survivors maintain a healthy weight, improve energy levels, and reduce long-term health risks after treatment.
What could go wrong: This is a behavioral intervention, so results depend on how well participants stick with the program. The trial is relatively small and may not apply to all cancer types or age groups.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

299 people

The number who actually took part.

Started

Nov 2017

Finished

Mar 2026

Lead sponsor

A research network

The lead sponsor is a research network or cooperative group.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

8 to 16 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * All cancer cases with an International Classification of Diseases for Oncology (ICD)-O histologic behavior code of two "2" (carcinoma in situ) or three "3" (malignant), in remission * Patient must have completed curative therapy (surgery and/or radiation and/or chemotherapy) within the past 12 months at a Childrens Oncology Group (COG) institution * Patients must have a performance status corresponding to Eastern Cooperative Oncology Group (ECOG) scores of 0, 1, or 2; use Lansky for patients =\< 16 years of age * At the time of consent, patient or parent/guardian reports less than 420 minutes of moderate to vigorous physical activity over the last week * Patient and at least one parent/guardian are able to read and write English, Spanish, and/or French; at least 1 parent/guardian must be able to read and write English, Spanish, and/or French in order to assist the patient with using their physical activity tracking device account * All patients and/or their parents or legal guardians must sign a written informed consent * All institutional, Food and Drug Administration (FDA), and National Cancer Institute (NCI) requirements for human studies must be met Exclusion Criteria: * Patients with previous hematopoietic stem cell transplant (HSCT) * Patients with significant concurrent disease, illness, psychiatric disorder or social issue that would compromise patient safety or compliance with protocol therapy, or interfere with consent, study participation, follow up, or interpretation of study results * Female patients who are pregnant are not eligible; women of childbearing potential require a negative pregnancy test * Female patient who is postmenarcheal and has not agreed to use an effective contraceptive method (including abstinence) for the duration of study participation * Patients with a cognitive, motor, visual or auditory impairment that prevents computer use (e.g. unresolved posterior fossa syndrome) are not eligible

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Conditions

The condition(s) this trial relates to.

cancer hematopoietic and lymphoid system neoplasm in situ carcinoma

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Carcinoma in situ Hematopoietic and lymphatic system neoplasm Malignant solid neoplasm

Contacts and locations

Locations

Advocate Children's Hospital-Oak Lawn

Oak Lawn, Illinois, 60453, United States
Advocate Children's Hospital-Park Ridge

Park Ridge, Illinois, 60068, United States
Albany Medical Center

Albany, New York, 12208, United States
Alfred I duPont Hospital for Children

Wilmington, Delaware, 19803, United States
Alliance for Childhood Diseases/Cure 4 the Kids Foundation

Las Vegas, Nevada, 89135, United States
Arkansas Children's Hospital

Little Rock, Arkansas, 72202-3591, United States
Arnold Palmer Hospital for Children

Orlando, Florida, 32806, United States
Ascension Saint Vincent Indianapolis Hospital

Indianapolis, Indiana, 46260, United States
Atrium Health Navicent

Macon, Georgia, 31201, United States
BI-LO Charities Children's Cancer Center

Greenville, South Carolina, 29605, United States
Banner Children's at Desert

Mesa, Arizona, 85202, United States
Banner University Medical Center - Tucson

Tucson, Arizona, 85719, United States
Baylor College of Medicine/Dan L Duncan Comprehensive Cancer Center

Houston, Texas, 77030, United States
Broward Health Medical Center

Fort Lauderdale, Florida, 33316, United States
C S Mott Children's Hospital

Ann Arbor, Michigan, 48109, United States
CancerCare Manitoba

Winnipeg, Manitoba, R3E 0V9, Canada
Carilion Children's

Roanoke, Virginia, 24014, United States
Carolinas Medical Center/Levine Cancer Institute

Charlotte, North Carolina, 28203, United States
Children's Healthcare of Atlanta - Arthur M Blank Hospital

Atlanta, Georgia, 30329, United States
Children's Hospital Colorado

Aurora, Colorado, 80045, United States
Children's Hospital Medical Center of Akron

Akron, Ohio, 44308, United States
Children's Hospital New Orleans

New Orleans, Louisiana, 70118, United States
Children's Hospital and Medical Center of Omaha

Omaha, Nebraska, 68114, United States
Children's Hospital of Alabama

Birmingham, Alabama, 35233, United States
Children's Hospital of Eastern Ontario

Ottawa, Ontario, K1H 8L1, Canada
Children's Hospital of Michigan

Detroit, Michigan, 48201, United States
Children's Hospital of Pittsburgh of UPMC

Pittsburgh, Pennsylvania, 15224, United States
Children's Hospital of San Antonio

San Antonio, Texas, 78207, United States
Children's Hospital of The King's Daughters

Norfolk, Virginia, 23507, United States
Children's Mercy Hospitals and Clinics

Kansas City, Missouri, 64108, United States
Children's National Medical Center

Washington D.C., District of Columbia, 20010, United States
City of Hope Comprehensive Cancer Center

Duarte, California, 91010, United States
Cleveland Clinic Foundation

Cleveland, Ohio, 44195, United States
Connecticut Children's Medical Center

Hartford, Connecticut, 06106, United States
Dell Children's Medical Center of Central Texas

Austin, Texas, 78723, United States
Driscoll Children's Hospital

Corpus Christi, Texas, 78411, United States
East Carolina University

Greenville, North Carolina, 27834, United States
East Tennessee Childrens Hospital

Knoxville, Tennessee, 37916, United States
El Paso Children's Hospital

El Paso, Texas, 79905, United States
Geisinger Medical Center

Danville, Pennsylvania, 17822, United States
Golisano Children's Hospital of Southwest Florida

Fort Myers, Florida, 33908, United States
Hackensack University Medical Center

Hackensack, New Jersey, 07601, United States
Hospital for Sick Children

Toronto, Ontario, M5G 1X8, Canada
Janeway Child Health Centre

St. John's, Newfoundland and Labrador, A1B 3V6, Canada
Kaiser Permanente Downey Medical Center

Downey, California, 90242, United States
Kaiser Permanente-Oakland

Oakland, California, 94611, United States
Kapiolani Medical Center for Women and Children

Honolulu, Hawaii, 96826, United States
Kingston Health Sciences Centre

Kingston, Ontario, K7L 2V7, Canada
Legacy Emanuel Children's Hospital

Portland, Oregon, 97227, United States
Lehigh Valley Hospital-Cedar Crest

Allentown, Pennsylvania, 18103, United States
Lucile Packard Children's Hospital Stanford University

Palo Alto, California, 94304, United States
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center

Torrance, California, 90502, United States
Mary Bridge Children's Hospital and Health Center

Tacoma, Washington, 98405, United States
Mayo Clinic in Rochester

Rochester, Minnesota, 55905, United States
MedStar Georgetown University Hospital

Washington D.C., District of Columbia, 20007, United States
Mercy Hospital Saint Louis

St Louis, Missouri, 63141, United States
Methodist Children's Hospital of South Texas

San Antonio, Texas, 78229, United States
Miller Children's and Women's Hospital Long Beach

Long Beach, California, 90806, United States
Mission Hospital

Asheville, North Carolina, 28801, United States
Nationwide Children's Hospital

Columbus, Ohio, 43205, United States
Nemours Children's Clinic-Jacksonville

Jacksonville, Florida, 32207, United States
Nemours Children's Hospital

Orlando, Florida, 32827, United States
New York Medical College

Valhalla, New York, 10595, United States
Norton Children's Hospital

Louisville, Kentucky, 40202, United States
Novant Health Presbyterian Medical Center

Charlotte, North Carolina, 28204, United States
Ochsner Medical Center Jefferson

New Orleans, Louisiana, 70121, United States
Oregon Health and Science University

Portland, Oregon, 97239, United States
Palms West Radiation Therapy

Loxahatchee Groves, Florida, 33470, United States
Phoenix Childrens Hospital

Phoenix, Arizona, 85016, United States
Prisma Health Richland Hospital

Columbia, South Carolina, 29203, United States
ProMedica Toledo Hospital/Russell J Ebeid Children's Hospital

Toledo, Ohio, 43606, United States
Providence Sacred Heart Medical Center and Children's Hospital

Spokane, Washington, 99204, United States
Rady Children's Hospital - San Diego

San Diego, California, 92123, United States
Renown Regional Medical Center

Reno, Nevada, 89502, United States
Riley Hospital for Children

Indianapolis, Indiana, 46202, United States
Roswell Park Cancer Institute

Buffalo, New York, 14263, United States
Rutgers Cancer Institute of New Jersey-Robert Wood Johnson University Hospital

New Brunswick, New Jersey, 08903, United States
Saint Joseph's Hospital/Children's Hospital-Tampa

Tampa, Florida, 33607, United States
Saint Joseph's Regional Medical Center

Paterson, New Jersey, 07503, United States
Saint Jude Children's Research Hospital

Memphis, Tennessee, 38105, United States
Saint Jude Midwest Affiliate

Peoria, Illinois, 61637, United States
Saint Luke's Cancer Institute - Boise

Boise, Idaho, 83712, United States
Saint Mary's Medical Center

West Palm Beach, Florida, 33407, United States
Saint Vincent Hospital Cancer Center Green Bay

Green Bay, Wisconsin, 54301, United States
Seattle Children's Hospital

Seattle, Washington, 98105, United States
Sinai Hospital of Baltimore

Baltimore, Maryland, 21215, United States
Summerlin Hospital Medical Center

Las Vegas, Nevada, 89144, United States
Sunrise Hospital and Medical Center

Las Vegas, Nevada, 89109, United States
T C Thompson Children's Hospital

Chattanooga, Tennessee, 37403, United States
Tampa General Hospital

Tampa, Florida, 33606, United States
Texas Tech University Health Sciences Center-Amarillo

Amarillo, Texas, 79106, United States
The Children's Hospital at TriStar Centennial

Nashville, Tennessee, 37203, United States
Tufts Children's Hospital

Boston, Massachusetts, 02111, United States
UCSF Benioff Children's Hospital Oakland

Oakland, California, 94609, United States
UMC Cancer Center / UMC Health System

Lubbock, Texas, 79415, United States
UT Southwestern/Simmons Cancer Center-Dallas

Dallas, Texas, 75390, United States
University Medical Center of Southern Nevada

Las Vegas, Nevada, 89102, United States
University of California Davis Comprehensive Cancer Center

Sacramento, California, 95817, United States
University of Chicago Comprehensive Cancer Center

Chicago, Illinois, 60637, United States
University of Illinois

Chicago, Illinois, 60612, United States
University of Iowa/Holden Comprehensive Cancer Center

Iowa City, Iowa, 52242, United States
University of Kentucky/Markey Cancer Center

Lexington, Kentucky, 40536, United States
University of Maryland/Greenebaum Cancer Center

Baltimore, Maryland, 21201, United States
University of Minnesota/Masonic Cancer Center

Minneapolis, Minnesota, 55455, United States
University of Missouri Children's Hospital

Columbia, Missouri, 65212, United States
University of Nebraska Medical Center

Omaha, Nebraska, 68198, United States
University of New Mexico Cancer Center

Albuquerque, New Mexico, 87106, United States
University of Oklahoma Health Sciences Center

Oklahoma City, Oklahoma, 73104, United States
University of Texas Health Science Center at San Antonio

San Antonio, Texas, 78229, United States
University of Wisconsin Carbone Cancer Center - University Hospital

Madison, Wisconsin, 53792, United States
Valley Children's Hospital

Madera, California, 93636, United States
Vanderbilt University/Ingram Cancer Center

Nashville, Tennessee, 37232, United States
Vannie Cook Children's Clinic

McAllen, Texas, 78503, United States
Washington University School of Medicine

St Louis, Missouri, 63110, United States
Wayne State University/Karmanos Cancer Institute

Detroit, Michigan, 48201, United States
West Virginia University Charleston Division

Charleston, West Virginia, 25304, United States
West Virginia University Healthcare

Morgantown, West Virginia, 26506, United States
Yale University

New Haven, Connecticut, 06520, United States

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