Evidence map›Paper›PMID 41749056›Full record

Observational studyCancer medicine2026

Physical Activity in Osteosarcoma Patients During and Post Therapy: A Single Site Prospective Observational Study.

Elysia R Cohen, Clark Andersen, Karen Moody, Maria C Swartz, Michael C Robertson, Alakh Rajan, Theresa Honey, Sandra Lugo, Grace Waterman, Keri Schadler

Abstract readObservational Study
In one paragraph

Observational study in Cancer medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Elysia R CohenDivision of Pediatrics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
Clark AndersenDepartment of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
Karen MoodyDivision of Pediatrics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
Maria C SwartzDivision of Pediatrics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.ORCID https://orcid.org/0000-0002-4069-3089
Michael C RobertsonHealth Promotion Research Center, College of Medicine, The University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, USA.ORCID https://orcid.org/0000-0002-2240-014X
Alakh RajanDivision of Pediatrics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
Theresa HoneyDivision of Pediatrics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
Sandra LugoDivision of Pediatrics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
Grace WatermanDivision of Pediatrics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
Keri SchadlerDivision of Pediatrics, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.ORCID https://orcid.org/0000-0002-1675-0514

Funding

University of Texas MD Anderson Cancer Center
6 · The paper itself

Abstract

purposeOsteosarcoma is the most common primary bone tumor in childhood and adolescence. Many patients face long-term impairments in their mobility and function after treatment, leading to a decrease in their quality of life. Exercise has been shown to improve functional recovery and improve quality of life in patients with cancer, though data specific to children with osteosarcoma are sparse. Exercise has also been shown to be feasible in patients undergoing chemotherapy, with numerous potential benefits to health and quality of life. To design the most effective exercise interventions for children and adolescents with osteosarcoma, we must first understand the activity patterns in this population throughout the treatment and survivorship continuum.

methodsIn this study, we provided wearable activity trackers to osteosarcoma patients to evaluate physical activity patterns. Inclusion criteria allowed for any age, gender, or stage of treatment (including after treatment completion).

resultsTwenty-six patients had valid data defined as 3 or more days with more than 10 h of continuous heart rate data. The average steps per day across all treatment stages including post treatment was 3184 ± SD 2552.74, range 0-27,828 steps on treatment days and 4884 ± 2447.30, range 0-22,500 steps on off treatment days. Values for specific treatment periods (neoadjuvant, adjuvant, relapse, off therapy) are presented. Though activity patterns varied widely between patients, all patients except one were below recommended values for daily step counts until after therapy was complete.

conclusionOur results suggest that tailoring an exercise program to encourage activity on days when patients receive antineoplastic therapy, and to have the more intensive exercise days well after antineoplastic therapy, may be a good approach. Further research is needed to define interventions to improve physical activity in this population.

Indexed as

Bone NeoplasmsExerciseOsteosarcomaAdolescentChildExercise TherapyFemaleHumansMaleProspective StudiesQuality of LifeYoung Adultactivity monitorsosteosarcomaphysical activitystep counts

Identifiers

PMID41749056
PMCPMC12945699

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.