{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,8]],"date-time":"2026-09-08T19:08:21Z","timestamp":1788894501872,"version":"build-2803163510"},"reference-count":31,"publisher":"JMIR Publications Inc.","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Med Internet Res"],"abstract":"Abstract<\/jats:title>\n \n Background<\/jats:title>\n Concurrent chemoradiotherapy (CCRT) for abdominal cancer frequently induces muscle loss, weight loss, and malnutrition.<\/jats:p>\n <\/jats:sec>\n \n Objective<\/jats:title>\n This exploratory randomized phase II trial evaluated whether a multidisciplinary, mobile health (mHealth)\u2013based multimodal rehabilitation program could preserve handgrip strength and muscle mass in patients with abdominal cancer undergoing CCRT.<\/jats:p>\n <\/jats:sec>\n \n Methods<\/jats:title>\n In this prospective, multicenter, randomized, open-label phase II trial (NCT05325554), 111 eligible patients with abdominal malignancies scheduled for CCRT were randomly assigned (1:1) to receive either multidisciplinary mHealth rehabilitation care (MRC; n=57) or standard care (SC; n=54). The MRC program was delivered by a dedicated multidisciplinary team using the AiNST mHealth platform and wearable heart rate monitors. The primary end point was handgrip strength at the end of CCRT (analyzed with analysis of covariance adjusting for baseline). Secondary end points were exploratory and analyzed without multiplicity adjustment; sensitivity analysis using false discovery rate (FDR) correction was performed.<\/jats:p>\n <\/jats:sec>\n \n Results<\/jats:title>\n \n Between February 2022 and April 2023, 111 patients were enrolled. Adherence was high (n=93, 83.9% achieved exercise targets). After adjusting for baseline handgrip strength, the MRC group had significantly higher handgrip strength at the end of CCRT than the SC group (adjusted mean difference 4.87 kg, 95% CI 3.36\u20106.38;\n P<\/jats:italic>\n <.001). Exploratory analyses of secondary end points (without multiplicity adjustment) showed that the MRC group also had better preservation of body weight (\n P<\/jats:italic>\n =.005), skeletal muscle mass (\n P<\/jats:italic>\n <.001), serum albumin (\n P<\/jats:italic>\n =.009), prealbumin (\n P<\/jats:italic>\n =.02), and lower rates of hematological toxicity (\n P<\/jats:italic>\n <.05), as well as improved psychological status (distress thermometer [DT] and Hospital Anxiety and Depression Scale [HADS]) and nutritional scores (Nutritional Risk Screening 2002 [NRS-2002] and Patient-Generated Subjective Global Assessment [PG-SGA]) at the end of CCRT (all\n P<\/jats:italic>\n <.05). All nominally significant secondary end points remained significant after FDR correction (\n q<\/jats:italic>\n <.05). These findings are preliminary and should be interpreted with caution due to the open-label design, population heterogeneity, and exploratory secondary analyses.\n <\/jats:p>\n <\/jats:sec>\n \n Conclusions<\/jats:title>\n In this exploratory phase II trial, a multidisciplinary, mHealth-based multimodal rehabilitation program was associated with better preservation of handgrip strength, muscle mass, and nutritional status, as well as lower rates of certain treatment toxicities, compared with SC. However, definitive conclusions are limited by the open-label design, heterogeneity of tumor types, and short follow-up. Larger, blinded phase III trials are needed to confirm these findings.<\/jats:p>\n <\/jats:sec>","DOI":"10.2196\/98330","type":"journal-article","created":{"date-parts":[[2026,6,10]],"date-time":"2026-06-10T16:00:06Z","timestamp":1781107206000},"page":"e98330-e98330","source":"Crossref","is-referenced-by-count":0,"title":["Multidisciplinary mHealth Rehabilitation for Patients With Abdominal Cancer Who Are Receiving Chemoradiotherapy: Randomized Phase II 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