ArticleTrials2025
PRALINE: study protocol for a phase IIb inpatient stroke rehabilitation randomized controlled trial investigating longitudinal outcomes after progressive abduction loading therapy.
Article in Trials, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04118998 (Progressive Abduction Loading Therapy), which is not on this map. Not yet cited in PubMed.
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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.
The trial behind it
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Progressive Abduction Loading Therapy: A Phase IIb Stroke Rehabilitation Trial With Longitudinal Tracking
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19 authors.
Funding
Abstract
backgroundStroke is the leading cause of long-term disability with paucity of evidence-based interventions for individuals with severe upper extremity impairment in the affected arm. Loss of independent joint control limits reaching distance and velocity contributing to activity and participation limitations. Emerging evidence demonstrates improved independent upper extremity joint movement with training combining shoulder abduction loading during high repetition, task-specific reaching practice. The purpose of this study is to compare outcomes for one-year post-stroke for participants who receive reaching training with vs without progressive shoulder abduction loading during upper extremity reaching training using a standardized mechantronic device.
methodsThis is a phase II, double-blinded randomized clinical trial conducted at two inpatient rehabilitation hospitals. Eighty-six individuals will be recruited upon admission to acute inpatient rehabilitation and randomly allocated to either the experimental or active comparator intervention groups. Both groups will receive reaching training with the affected upper extremity in a standardized mechatronic device 4 days per week while in inpatient or day rehabilitation. Outcomes will be assessed at baseline, weekly while in inpatient and day rehabilitation, and every other month after discharge until one year post-stroke. Primary outcomes include change in reaching function of the affected upper extremity, measured by kinematic evaluation. This captures the loss of independent joint control due to flexion synergy expression. Secondary outcomes include measures of severity of flexion synergy motor impairment, Action Research Arm Test, Fugl-Meyer Assessment, and the Stroke Impact Scale. DISCUSSION: This study will test the efficacy of progressive shoulder abduction loading during reaching training using a mechatronic device. The results of this study have the potential to inform clinical practice for upper extremity reaching training for individuals with severe upper extremity impairment post-stroke to reduce flexion synergy expression.
trial registrationClinicaltrials.gov, NCT04118998. Registered on 8 October 2019.
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