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Clinical impact of walking capacity on the risk of disability and hospitalizations among elderly patients with advanced lung cancer

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Abstract

Purpose

Little is known about the impact of decreased walking capacity on clinical outcomes in elderly patients with cancer. This prospective observational study aimed to investigate the impact of walking capacity on the risk of disability and hospitalization in elderly patients with advanced lung cancer.

Method

This study prospectively enrolled 60 patients aged ≥ 70 years with advanced non-small-cell lung cancer (NSCLC) scheduled to receive first-line chemotherapy or radical radiotherapy between January 2013 and December 2014 (trial registration number: UMIN000009768). Patients were classified into the mobile or less mobile group based on the median incremental shuttle walking distance (ISWD) before initial treatment. Assessments included the Barthel index, disability-free survival time, mean cumulative lengths of hospital stay, and inpatient medical costs.

Results

The median ISWD was 290 m (interquartile range, 245–357.5 m). The mobile group (ISWD ≥ 290 m) had a longer disability-free survival time than the less mobile group (ISWD < 290 m, 24.6 months vs. 8.4 months, p < 0.05). During the first year from study entry, the mobile group had shorter cumulative lengths of hospital stay (41.3 vs. 72.9 days/person, p < 0.05) and lower inpatient medical costs (¥1.9 vs. ¥2.9 million/person, p < 0.05) than the less mobile group.

Conclusion

Elderly NSCLC patients with adequate walking capacity showed lower risks of disability, shorter hospitalizations, and lower inpatient medical costs than patients with reduced walking capacity. Further prospective research is needed to validate these findings. The trial was registered with the University Hospital Medical Information Network as trial number UMIN000009768 on January 13, 2013.

Trial registration

UMIN000009768

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Data availability

The data that support the findings of this study are available from the corresponding author upon reasonable request.

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Acknowledgments

We would like to thank Ms. Asami Oba, a certified medical accountant at Shizuoka Cancer Center, for her instructions regarding medical costs.

Funding

The 35th grant-in-aid supported this work from the Japanese Foundation for the Multidisciplinary Treatment of Cancer in 2014 and the 47th Foundation for Promotion of Cancer Research for the Cancer Research General Task B.

Author information

Authors and Affiliations

Authors

Contributions

TO and TN wrote the manuscript and prepared the figures and tables. TN was the chief investigator of the trial. KM and AN were responsible for the data analyses as biostatisticians. TO, TN, HF, and AT developed the trial design. TO, YY, TO, MK, NM, and TI collected the physical function data. TA collected the nutritional data. NM, TK, HK, SO, KW, AO, HK, HM, and TT recruited the participants and collected data. All the authors reviewed the manuscript and agreed to submit to the journal.

Corresponding author

Correspondence to Tateaki Naito.

Ethics declarations

Conflict of interest

Mr. Okayama, Mr. Yonenaga, Mr. Ohashi, Ms. Kitagawa, Ms. Mitsuhashi, Mr. Ishi, Dr. Fuseya, Mr. Aoyama, Mr. Notsu, Mr. Mori, Dr. Mamesaya, Dr. Kawamura, Dr. Kobayashi, and Dr. Tanuma have nothing to disclose. Dr. Naito reports personal fees from Ono Pharmaceutical Co., Ltd., Pfizer Japan Inc., and Mochida Pharmaceutical Co., Ltd., which are unrelated to the submitted work. Dr. Omori reports personal fees from Ono Pharmaceutical Co., Ltd., Chugai Pharmaceutical Co., Ltd., Taiho Pharmaceutical Co., Ltd., Daiichi-Sankyo Co., Ltd., and MSD K.K. Dr. Wakuda reports personal fees from Ono Pharmaceutical Co., Ltd., Taiho Pharmaceutical Co., Ltd., Boehringer Ingelheim Company., Eli Lilly K.K., and grants and personal fees from AstraZeneca K.K., Chugai Pharmaceutical Co., Ltd., Novartis Pharma K.K., and grants from AbbVie Company. Dr. Ono reports personal fees from Ono Pharmaceutical Co., Ltd., Chugai Pharmaceutical Co., Ltd., Taiho Pharmaceutical Co., Ltd., AstraZeneca K.K., Eli Lilly K.K., MSD K.K., and Novartis Pharma K.K. Dr. Kenmotsu reports personal fees from Ono Pharmaceutical Co., Ltd., Eli Lilly K.K., Kyowa Hakko Kirin Co., Ltd., Bristol-Myers Squibb Company, MSD K.K., Novartis Pharma K.K., and grants from Daiichi-Sankyo Co., Ltd., and grants and personal fees from Chugai Pharmaceutical Co., Ltd., Boehringer Ingelheim Company, and AstraZeneca K.K., which are unrelated to the submitted work. Dr. Murakami reports personal fees from Bristol-Myers Squibb Company, Ono Pharmaceutical Co., Ltd., MSD K.K., and grants from AbbVie Company, Daiichi-Sankyo Co., Ltd., IQvia Company, and grants and personal fees from AstraZeneca K.K., Chugai Pharmaceutical Co., Ltd., Eli Lilly K.K., Taiho Pharmaceutical Co., Ltd., and Takeda Pharmaceutical Co., Ltd., which are unrelated to the submitted work. Dr. Takahashi reports grants from Japan Agency for Medical Research and Development during the conduct of the study, and personal fees from Boehringer Ingelheim Company, Roche Diagnostics K.K., and grants and personal fees from AstraZeneca K.K., Chugai Pharmaceutical Co., LTD., Eli Lilly K.K., Ono Pharmaceutical Co., Ltd., MSD K.K., and Pfizer Japan Inc., which are unrelated to the submitted work.

Consent to participate

Informed consent was obtained from all participants included in the study.

Consent for publication

Informed consent was obtained for the data analysis and publication from all individual participants.

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Not applicable.

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Name of the registry: UMIN (University Hospital Medical Information Network), date of registration: January 13, 2013, and date of enrolment of the first participant to the trial: January 23, 2013.

Supplementary Information

Supplementary Fig. 1.

Overall and disability-free survival curves in a subset excluding six patients who stopped the SWT based on the heart rate criteria. a Kaplan-Meier curve of overall survival. b Kaplan-Meier curve of disability-free survival. P-values were calculated using log-rank tests. Disabling events were defined as a reduction in the Barthel index from the baseline value by >10 points. For the patient whose disabling event was not confirmed, it was censored at the date of the last visit. (PPTX 97 kb)

Supplementary Fig. 2.

Overall and disability-free survival curves in the radical radiation therapy group. a Kaplan-Meier curve of overall survival. b Kaplan-Meier curve of disability-free survival. P-values were calculated using log-rank tests. Disabling events were defined as a decrease in the Barthel index from the baseline value by >10 points. (PPTX 79 kb)

Supplementary Fig. 3.

Overall and disability-free survival curves in the chemotherapy group. a Kaplan-Meier curve of overall survival. b Kaplan-Meier curve of disability-free survival. P-values were calculated using log-rank tests. Disabling events were defined as a reduction in the Barthel index from the baseline value by >10 points. (PPTX 87 kb)

Supplementary Fig. 4.

Cumulative length of hospital stay and inpatient medical costs in a subset excluding six patients who stopped the SWT based on the heart rate criteria. Curves show cumulative functions for hospital stay (panel a) and medical costs (panel b) in the mobile group (solid line) and the less mobile group (dotted line). (PPTX 60 kb)

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Okayama, T., Naito, T., Yonenaga, Y. et al. Clinical impact of walking capacity on the risk of disability and hospitalizations among elderly patients with advanced lung cancer. Support Care Cancer 29, 3961–3970 (2021). https://doi.org/10.1007/s00520-020-05953-5

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