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Clinical Trial Summary

The three purposes of this study are: 1) to compare the effectiveness of the ROC-Stand training on mobility, psychosocial function and social looking with conventional therapy in toddlers with mild and moderate motor disabilities, 2) to compare the effectiveness of ROC-Stand training on body function level and environmental factors with conventional therapy in toddlers with mild and moderate motor disabilities, according to International Classification of Functioning, Disability and Health (ICF) levels, and 3) to determine the effects of ROC-Stand training on the relationship among social looking, caregiver-child interactions and mastery motivation in toddlers with mild and moderate motor disabilities. Based on the power analysis from the preliminary results of the pilot study, the investigator will recruit 92 toddlers with motor delays and further assign them to either mild or moderate motor delays group. The participants in each group will be randomly assigned to either the ROC-Stand training program or conventional therapy(Control) program, resulting the following four training groups: the ROC-Stand(Mild) group (n=23), the ROC-Stand(Mod) group (n=23), Control(Mild) group (n=23), and Control(Mod) group (n=23). The whole study duration will be 24 weeks, including a 12-week intervention and a 12-week follow-up. All programs will include 120 minutes/per session, 2 sessions/per week. Participants will continue their regular therapy during the whole study. Standardized assessments are provided for a total three times, including the time before and after the intervention and in the end of the follow-up phase. The head-mounted cameras worn by the participants and caregivers will record the social looking and interaction behaviors for one 2-hour session/per week during intervention. Participants will also wear three accelerometers throughout the 2-hour training. Assessments include mobility, socialization, behavioral coding, body function, family perception and participation. The findings of this study will provide us some optimal, alternative ways to enhance locomotor experience depending on each child's and family's needs.


Clinical Trial Description

Locomotor posture as upright can increase infants' visual availability of destinations and induce their motivation to interact and explore with environment. Using a modified ride-on car (ROC) with a standing posture (ROC-Stand) may result in the similar effects. Our previous world's first randomized controlled trial (RCT) manipulated the parameters of the ROC experience by increasing the demands of postural control during the course of locomotion. The initial findings were positive and inspiring. After an intensive 12-week training program, toddlers with motor delays in the ROC-Stand group had significant improvements in mobility and social function. Moreover, the ROC-Stand group tended to have the most improvements than the ROC-Sit and conventional therapy groups, including mobility, social function and mastery motivation. The ROC-Stand group also had the highest goal achievement scores. In addition, the pilot results of caregivers' perceptions showed over 80% of the caregivers involved in the ROC training programs had decreased concerns on children's motor and social development. Their expectations changed due to the observed improvements in children's movements, cognition, and motivation. The intensive 3-month ROC training program, particularly the standing one, was feasible and beneficial for toddlers with motor delays and their caregivers. However, the severity level of motor delay should be considered in the early PMDs and require further investigation on the related treatment effects. Thus, a further study of toddlers with different severity levels of motor delays will provide us a full investigation on the effectiveness of ROC-Stand training on mobility, psychosocial function and locomotor experience. Moreover, the integration of information regarding the social looking behaviors, motor cost, caregiver-child interactions and caregivers' perceptions will be beneficial for clarifying the influences of these factors on the outcomes. The purpose of this study is to examine the effectiveness of ROC-Stand training on mobility, psychosocial function and social looking in toddlers with mild and moderate motor disabilities. To obtain the information of social looking and interactions with their caregivers, the investigator will use the lightweight, head-mounted action camera to record children's behaviors. Up to now, there is no ROC-related study applying this methodology to investigate the ecological validity in toddlers with motor delays. This design may help us to capture the novelty and variability of real-world locomotor experience regarding social looking, exploration and interactions. The specific aims of this study are: 1) to compare the effectiveness of the ROC-Stand training on mobility, psychosocial function and social looking with conventional therapy in toddlers with mild and moderate motor delays, 2) to compare the effectiveness of ROC-Stand training on body function level and environmental factors with conventional therapy in toddlers with mild and moderate motor delays, according to the ICF, and 3) to determine the effects of ROC-Stand training on the relationship among social looking, caregiver-child interactions and mastery motivation in toddlers with mild and moderate motor delays. Study Design: A randomized, multiple group pretest-posttest control group design will be applied. Four groups will be involved in this project: ride-on car training with a standing posture for toddlers with mild motor delays (ROC-Stand(Mild)), ride-on car training with a standing posture for toddlers with moderate motor delays (ROC-Stand(Mod)), conventional therapy for toddlers with mild motor delays (Control(Mild)) and conventional therapy for toddlers with moderate motor delays (Control(Mod)). The investigator will use stratified randomization. They will be arranged to one of the two groups based on the motor composite (MC) scores assessed by Bayley-III. Subsequently, the participants in each group will be randomly assigned to either the ROC-Stand training program or conventional therapy program by using a computer program (Research Randomizer Form www.randomizer.org). The study duration for each participant is 24 weeks, including a 12-week training phase (intervention) and a 12-week follow-up phase. There will be 4 groups, including the ROC-Stand(Mild) group (23 toddlers), the ROC-Stand(Mod) group (23 toddlers), the Control(Mild) group (23 toddlers) and Control(Mod) group (23 toddlers). The age group of infants/preschool children is selected based on the previous studies of ROC training in young children with motor disabilities. Recruitment: The children will be recruited from self-referrals, health care practitioners, or the hospitals in Taipei and Taoyuan, Taiwan where children with motor delays are receiving outpatient rehabilitation. Parents/guardians will obtain information about the study through the flyers and their therapists. When the research team contacts the parents, study will be explained and parents will receive a letter detailing the procedure and given an opportunity to ask questions. Parents/guardians will sign this informed consent form at the time of the first visit. Procedure: Before randomization, the participants will receive pre-intervention measurements, including developmental assessments, the evaluations of environmental factors and self-developed questionnaires. The self-developed questionnaires were designed to examine parental perceptions on the training program and children's capabilities in the previous studies. The pretest and posttest developmental assessments and questionnaires will be completed in a testing room at Chang Gung University by a licensed occupational therapist who is blinded to the study purpose and not involved in the training programs. These assessments will occur on three occasions: before and after the 12-week training phase, i.e., intervention (T1 & T2) and the end of the 12-week follow-up phase (T3). After the pretest, participants will be randomly assigned into 4 groups and started the training programs in the university. During the 12-week intervention, the locomotor experience of social looking behaviors and interactions for the four training groups will be videotaped by the head-mounted action cameras worn by the participants and the caregivers for one 2-hour session/per week at the university. In addition, participants will wear three accelerometers on their wrists and right hip to monitor the energy expenditure and activity counts during the intervention phase. An activity log used in the previous studies will also be applied in the 4 groups to record the training conditions and the caregiver's feedback on the training program every week during the 12-week intervention. The activity log will be mostly qualitative data that involves caregivers' descriptions. For the 12-week follow-up phase, all participants will not receive any training program from the research team. They only have their regular therapy from their own hospitals or clinics. The information of regular therapy, including the type, the frequency and the dosage, will be collected at T1, T2 and T3. Intervention: The research team and independent therapists will ask caregivers to identify goals (before the first training session), and measure progress using goal-attainment scaling (GAS) at T1, T2 and T3 time points for the four groups. Two independent licensed occupational therapists (OTs) who will not involve the administration of assessments will provide the ROC-Stand training and conventional therapy programs, respectively. All participants in the 4 groups will continue their regular therapy from their own hospitals or clinics throughout the 24-week duration of the study, including physical therapy, occupational therapy, and speech therapy. All groups will receive the training program in the university for 2 hours/per session, 2 sessions/per week for a total of 12-week intervention. On licensed, independent OT will provide the ROC training programs and the other licensed, independent OT will provide the conventional therapy. The training programs for the two ROC training groups will be based on the ecological and dynamic systems theory. All the programs will be discussed by the family, the treating therapist and the research team. The programs for the two control group will be based on developmental and motor learning theories. Follow-up: This period will involve a 12-week phase following the above treatment programs; during this time no treatment programs will be delivered to the participants except for their own regular therapy. Data Reduction and Analysis: Social Looking and Interactions Measures: To examine participant's social looking and interactive behaviors, the following measures will be obtained via coding video footage during the 12-week intervention phase. Because young children, like adults, keep their eyes relatively centered in view most of the time. Thus, studies have been applied the center of the visual field to indicate the focus point. On the basis of these studies, the coding variables included face looking, body/toy/environment looking, child's and social partner's vocalizations, child-initiated and caregiver-initiated vocalizations/gesture, concurrent/overlapping vocalizations, conversation units and visual scan. To compare the baseline characteristics of the major 2 groups categorized as mild and moderate motor delay, independent t-test (for data with normal distribution) and The Mann-Whitney U test (for data with non-normal distribution) will be conducted. Data will be analyzed based on an intention-to-treat analysis. A repeated measures analysis of variance (group [4] × time [3]) will be employed to evaluate the treatment effects on the primary and secondary outcomes among the 4 groups at T1, T2, and T3, followed by a post-hoc analysis using Bonferroni test to determine between which groups the differences occur. For those data collected during the 12-week intervention, descriptive statistics (frequency, means, standard deviations) of social looking and interactions will be calculated and repeated measures analysis of variance (group [4] × time [12]) will be used to compare the effects among the 4 training groups during intervention. Furthermore, the quantitative data of energy expenditure and activity counts obtained from the ActiGraph® during intervention will be organized and calculated. A repeated measures analysis of variance (group [4] × time [12]) will also be used to compare the differences among the 4 groups. The mean frequency of total social looking and interactions will be calculated from the coding results of the 12-week intervention. SPSS 20.0 (SPSS Inc. Chicago, Illinois, USA) will be used for statistical analysis. Significance level will be set at p < 0.05. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04467866
Study type Interventional
Source Chang Gung Memorial Hospital
Contact
Status Completed
Phase N/A
Start date August 5, 2020
Completion date December 31, 2022

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