Protocol for a randomised controlled trial evaluating the effect of a CBT-I smartphone application (Sleep Ninja®) on insomnia symptoms in children

BACKGROUND

Sleep is necessary for healthy development and mental wellbeing. Despite this, many children do not get the recommended duration of sleep each night, and many experience sleep problems. Although treatable, existing interventions for sleep disturbance are time-consuming, burdensome for families, and focus on providing behavioural strategies to parents rather than upskilling children directly. To address this gap, we modified Sleep Ninja®, an evidence-based cognitive behavioural therapy for insomnia (CBT-I) smartphone app for adolescent sleep disturbance, to be appropriate for 10 to 12 year olds. Here, we describe the protocol for a randomised controlled trial to evaluate the effect of Sleep Ninja on insomnia and other outcomes, including depression, anxiety, sleep quality, and daytime sleepiness, and explore effects on the emergence of Major Depressive Disorder (MDD), compared to an active control group.

METHODS

We aim to recruit 214 children aged 10 to 12 years old experiencing disturbed sleep. Participants will be screened for inclusion, complete the baseline assessment, and then be randomly allocated to receive Sleep Ninja, or digital psychoeducation flyers (active control) for 6-weeks. The primary outcome, insomnia symptoms, along with depression, anxiety, sleep quality, and daytime sleepiness will be assessed at 6-weeks (primary endpoint), 3-months, and 9-months post-baseline (secondary and tertiary endpoints, respectively). A mixed model repeated measures analytic approach will be used to conduct intention-to-treat analyses to determine whether reductions in insomnia and secondary outcomes are greater for those receiving Sleep Ninja relative to the control condition at the primary and secondary endpoints. The difference in relative risk for MDD onset will be explored at 9-months and compared between conditions.

DISCUSSION

This is the first clinical trial examining the effects of a CBT-I smartphone app in children experiencing sleep disturbance. Results will provide empirical evidence about the effects of Sleep Ninja on insomnia and other mental health outcomes.

TRIAL REGISTRATION

Australian New Zealand Clinical Trials Registry (ACTRN12623000587606).

UNIVERSAL TRIAL NUMBER

U1111-1294-4167.

The Extent and Nature of Autistic People's Violence Experiences During Adulthood: A Cross-sectional Study of Victimisation

This study investigated the extent and nature of violence experiences reported by autistic adults. Autistic (n = 118) and non-autistic (n = 110) adults completed a questionnaire about their experiences of sexual harassment, stalking and harassment, sexual violence and physical violence since the age of 15. Autistic adults reported higher rates of all violence types, multiple forms of violence and repeated instances of the same type of violence. Typical gender differences in the patterns of violence (more physical violence reported by men and more sexual violence reported by women) were apparent in the non-autistic but not the autistic group. Findings add to the limited research in this area and highlight the need to identify risk and protective factors. Policy and practice implications are also discussed.

Barriers and facilitators to conducting radiotherapy clinical trials: Findings from a UK survey

INTRODUCTION

As an essential component of service delivery, radiotherapy clinical trials were championed within the NHS England service specifications. A call for a 15% increase in research and clinical trial activity, alongside a demand for equity of access for patients with cancer subsequently ensued. National understanding of current radiotherapy clinical trials operational practices is absent, but essential to help establish the current provision required to support the development of a strategic plan for implementation of NHS England's specifications.

METHODS

A cross-sectional survey was developed by a multi-disciplinary team and distributed to therapeutic radiography clinical trial leads across the UK to ascertain the current provision of radiotherapy clinical trials only, including workforce resources and the trials management processes to establish a benchmark and identify potential barriers, enablers, and opportunities to increase access to clinical trials.

RESULTS

Thirty-two complete responses were obtained equating to 49% of the total UK NHS departments and 74% of those departments invited. Four key findings were identified: 1) research strategy and systems, 2) participation and activity in radiotherapy clinical trials, 3) access to clinical trials at alternative departments and 4) facilitators & barriers. Overarchingly a lack of radiotherapy clinical trials strategy or supported processes were apparent across the UK, aggravating existing barriers to trial activity.

CONCLUSION

It is essential for radiotherapy clinical trials to be embedded in to departmental and Trust strategy, this will help to ensure the processes and resources required for trial delivery are not only in place, but also recognised as imperative and important for patients with cancer as radiotherapy treatment delivery.

IMPLICATIONS FOR PRACTICE

Failure to address the barriers or build upon the facilitators may result in UK radiotherapy departments facing challenges in achieving the 15% increase in radiotherapy clinical trial activity.

Burden and preference-based quality of life associated with bullying in children

The objectives of this study are to assess the association between childhood bullying and preference-based health-related quality of life (QoL) in Australian school children and their parents and estimate quality-adjusted life years (QALYs) associated with bullying chronicity. Children aged 8-10 years completed the child health utilities (CHU-9D), while parents completed the Australian quality of life (AQoL-8D). Children were grouped into four categories of bullying involvement (no bullying, victim, perpetrator, or both perpetrator and victim) based on the Revised Olweus Bully/Victim Questionnaire. Parental data were compared across two bullying involvement groups (bullying vs. no bullying). QALYs were calculated for children over two years and comparisons made based on the number of assessments where bullying was reported (baseline, 1- and 2-year follow up). Children who were involved in bullying (victims and/or perpetrators) reported statistically significantly lower mean utility scores compared to children who were not involved in bullying. Parents whose child was involved in bullying had significantly lower mean utility scores compared to parents of children not involved with bullying. There appeared to be a dose-response relationship, with higher QALY losses associated with increasing frequency of reported bullying. Bullying among Australian school children was associated with significantly lower preference-based QoL for themselves and their parents. This study also confirmed the significant burden of disease for bullying among children measured by an incremental decrease in QALY with an increasing chronicity of bullying over time.

The reconstruction of invasion histories with genomic data in light of differing levels of anthropogenic transport

Unravelling the history of range shifts is key for understanding past, current and future species distributions. Anthropogenic transport of species alters natural dispersal patterns and directly affects population connectivity. Studies have suggested that high levels of anthropogenic transport homogenize patterns of genetic differentiation and blur colonization pathways. However, empirical evidence of these effects remains elusive. We compared two range-shifting species (Microcosmus squamiger and Ciona robusta) to examine how anthropogenic transport affects our ability to reconstruct colonization pathways using genomic data. We first investigated shipping networks from the 18th century onwards, cross-referencing these with regions where the species have records to infer how each species has potentially been affected by different levels of anthropogenic transport. We then genotyped thousands of single-nucleotide polymorphisms from 280 M. squamiger and 190 C. robusta individuals collected across their extensive species' ranges and reconstructed colonization pathways. Differing levels of anthropogenic transport did not preclude the elucidation of population structure, though specific inferences of colonization pathways were difficult to discern in some of the considered scenario sets. We conclude that genomic data in combination with information of underlying introduction drivers provide key insights into the historic spread of range-shifting species.

This article is part of the theme issue ‘Species’ ranges in the face of changing environments (part I)’.

Practitioner Review: Anxiety disorders in children and young people - assessment and treatment

Despite significant advancements in our knowledge of anxiety disorders in children and adolescents, they continue to be underrecognised and undertreated. It is critical that these disorders are taken seriously in children and young people as they are highly prevalent, have a negative impact on educational, social and health functioning, create a risk of ongoing anxiety and other mental health disorders across the life span and are associated with substantial economic burden. Yet very few children with anxiety disorders access evidence-based treatments, and there is an urgent need for widespread implementation of effective interventions. This review aimed to provide an overview of recent research developments that will be relevant to clinicians and policymakers, particularly focusing on the development and maintenance of child anxiety disorders and considerations for assessment and treatment. Given the critical need to increase access to effective support, we hope this review will contribute to driving forward a step change in treatment delivery for children and young people with anxiety disorders and their families.

P1589 Yield of invasive coronary angiography following the UK NICE 2016 guideline expansion of CT coronary angiography

Results

In total 652 patients underwent CTCA (mean age 55 yrs; 330 male). 92 patients were found to have moderate or severe stenosis. 69 of them were referred directly to ICA, with 63 undergoing ICA and confirming severe CAD in 40 patients, a yield of 63%. 18 patients with moderate stenosis were referred for stress echo (SE) with one positive result. In total 35 patients went on to be revascularised.

62 patients were found to have mild stenosis. The majority of patients (n = 462) had normal/minimal stenosis. There were 36 inconclusive studies.

The ESC RS was calculated retrospectively with the following results:

70 patients had an ESC RS <15% and 2 (3%) were found to have moderate stenosis. 427 patients had an ESC RS 15-50%; 17 (4%) had severe stenosis and 32 (8%) moderate stenosis. 149 patients had an ESC RS 50-85%; 17 (11%) were found to have severe stenosis and 23 (15%) moderate stenosis. Lastly 2 patients had an ESC RS >85% and one had moderate stenosis.

Conclusions

Our results demonstrate that CTCA is an effective first line test for most patients with new stable chest pain as the majority were found to have normal/minimal disease. In the patients that went on to have ICA, CTCA had a relatively high yield of detecting severe CAD (63%). This was achieved with some use of SE as a gatekeeper to ICA, particularly in patients with moderate CTCA stenosis. SE should be used more after CTCA in patients with moderate stenosis, as a gatekeeper to ICA.

The ESC RS was predictive of significant CAD but overestimated the likelihood of CAD.

Abstract P1589 Figure. Severe CTCA stenosis of the LAD

Investigation of common, low-frequency and rare genome-wide variation in anorexia nervosa

Anorexia nervosa (AN) is a complex neuropsychiatric disorder presenting with dangerously low body weight, and a deep and persistent fear of gaining weight. To date, only one genome-wide significant locus associated with AN has been identified. We performed an exome-chip based genome-wide association studies (GWAS) in 2158 cases from nine populations of European origin and 15 485 ancestrally matched controls. Unlike previous studies, this GWAS also probed association in low-frequency and rare variants. Sixteen independent variants were taken forward for in silico and de novo replication (11 common and 5 rare). No findings reached genome-wide significance. Two notable common variants were identified: rs10791286, an intronic variant in OPCML (P=9.89 × 10-6), and rs7700147, an intergenic variant (P=2.93 × 10-5). No low-frequency variant associations were identified at genome-wide significance, although the study was well-powered to detect low-frequency variants with large effect sizes, suggesting that there may be no AN loci in this genomic search space with large effect sizes.

The Role 2 Afloat custodian

The Role 2 Afloat (R2A) capability is now firmly established on several maritime platforms using the 370 Module (afloat) equipment. This year has seen the appointment on board ships that support R2A of a new full-time role, the Medical Module Manager (MMM), who is responsible for the equipment on board. This article outlines the new role.

Psychophysiological and stress responses to competition in team sport coaches: an exploratory study

Examinations of stress in coaches have mainly been qualitative and focused on chronic stressors. This exploratory study examined stress responses in coaches during competition, including psychological and physiological indices. Using reversal theory, we examined metamotivational state profiles during competition. Ten male team sport coaches (mean age 39.8 ± 13.12 years) reported levels of subjective stress, pleasant and unpleasant emotions, metamotivational state, and provided saliva samples, on a competition day: 15 min prior to the pre-match team talk; start of the match; end of the first half; start of the second half, and end of the match, then at equivalent times on a noncompetition day. Saliva samples were assayed for alpha-amylase activity. On competition day, alpha-amylase activity was significantly higher, as were subjective stress, arousal, and unpleasant emotions. Prior to and during active play, participants were mainly in the conformist, alloic (other-oriented), and mastery states, and at the end of the match, in the telic and sympathy states. Only 22 metamotivational state reversals were observed, mostly at the start and end of the match. The elevated levels of subjective stress, alpha-amylase activity, and unpleasant emotions suggest that educational programs may be useful for some coaches to manage psychological states during competition.

Usability testing of a prototype Phone Oximeter with healthcare providers in high- and low-medical resource environments

To increase the use of pulse oximetry by capitalise on the wide availability of mobile phones, we have designed, developed and evaluated a prototype pulse oximeter interfaced to a mobile phone. Usability of this Phone Oximeter was tested as part of a rapid prototyping process. Phase 1 of the study (20 subjects) was performed in Canada. Users performed 23 tasks, while thinking aloud. Time for completion of tasks and analysis of user response to a mobile phone usability questionnaire were used to evaluate usability. Five interface improvements were made to the prototype before evaluation in Phase 2 (15 subjects) in Uganda. The lack of previous pulse oximetry experience and mobile phone use increased median (IQR [range]) time taken to perform tasks from 219 (160-247 [118-274]) s in Phase 1 to 228 (151-501 [111-2661]) s in Phase 2. User feedback was positive and overall usability high (Phase 1--82%, Phase 2--78%).