Mood and anxiety disorders co-occur and share symptoms, treatments and genetic risk, but it is unclear whether combining them into a single phenotype would better capture genetic variation. The contribution of common genetic variation to these disorders has been investigated using a range of measures; however, the differences in their ability to capture variation remain unclear, while the impact of rare variation is mostly unexplored.

We aimed to explore the contributions of common genetic variation and copy number variations associated with risk of psychiatric morbidity (P-CNVs) to different measures of internalising disorders.

We investigated eight definitions of mood and anxiety disorder, and a combined internalising disorder, derived from self-report questionnaires, diagnostic assessments and electronic healthcare records (EHRs). Association of these definitions with polygenic risk scores (PRSs) of major depressive disorder and anxiety disorder, as well as presence of a P-CNV, was assessed.

The effect sizes of both PRSs and P-CNVs were similar for mood and anxiety disorder. Compared to mood and anxiety disorder, internalising disorder resulted in higher prediction accuracy for PRSs, and increased significance of associations with P-CNVs for most definitions. Comparison across the eight definitions showed that PRSs had higher prediction accuracy and effect sizes for stricter definitions, whereas P-CNVs were more strongly associated with EHR- and self-report-based definitions.

Future studies may benefit from using a combined internalising disorder phenotype, and may need to consider that different phenotype definitions may be more informative depending on whether common or rare variation is studied.

The duration of undiagnosed or untreated bipolar disorder (DUBD) has become a focus of research interest. However, its relationship with clinical characteristics and outcomes remains poorly understood.

The objective of this systematic review and meta-analysis was to examine DUBD and explore its relationships with clinical characteristics and outcomes in bipolar disorder.

We conducted a systematic search of the literature to identify studies reporting on DUBD and its relationships with clinical characteristics and outcomes including frequency of relapse into mood episodes, severity and persistence of mood symptoms, functional and cognitive measures, suicidality, hospital admission rate, and comorbidities such as substance use disorders.

Thirty articles met inclusion criteria for the systematic review, and 23 studies were included in the three different sets of meta-analyses. The pooled mean DUBD across all studies was 9.10 years. Early onset, depression as the polarity of the first mood episode, lifetime suicide attempts, comorbid anxiety and alcohol use disorders, and family history of bipolar disorder were associated with significantly longer DUBD, whereas diagnosis of bipolar I disorder and lifetime psychotic symptoms were associated with shorter DUBD. Studies that investigated outcomes subsequent to the diagnosis of bipolar disorder yielded conflicting results.

DUBD may be associated with certain adverse outcomes. This association indicates the importance of adopting a more comprehensive approach to assessing mood disorders, with an emphasis on prioritising early screening for bipolar disorder. The significant heterogeneity among included studies suggests a need for improved methodological rigour in future research.

The association between a pregnant mother’s vitamin D status and depressive symptoms has yielded inconsistent results. It is possible that other factors play a role in this association, as depression can have multiple causes. Recognizing the significance of the husband’s participation in antenatal care, this study aimed to examine whether the husband’s involvement moderates the link between the mother’s vitamin D status and depressive symptoms during pregnancy.

A total of 2983 Chinese married pregnant women, in their 25–35 weeks of pregnancy, completed questionnaires to assess their levels of depressive symptoms and the involvement of their husbands in their antenatal care appointments. Additionally, their serum levels of vitamin D were measured.

After adjusting for maternal age, parity, and socio-economic status, the husband’s involvement in antenatal care moderated the association between maternal vitamin D status and depressive symptoms during pregnancy (β = 2.03, p = 0.035). Specifically, when their husbands were not regularly present for antenatal care appointments, mothers with suboptimal vitamin D levels experienced more depressive symptoms than those with optimal levels. However, there were no noticeable differences in depressive symptoms between vitamin D groups for mothers whose husbands attended all antenatal care appointments.

Pregnant women who have suboptimal vitamin D levels and lack support from their spouses are most vulnerable to experiencing depression. It is crucial to holistically assess the social and physiological needs of expectant mothers to reduce their risk of antenatal depression.

Mass Casualty Incidents (MCIs) involving high-speed passenger ferries (HSPFs) may result in the dual-wave phenomenon, in which the emergency department (ED) is overwhelmed by an initial wave of minor injuries, followed by a second wave of more seriously injured victims. This study aimed to characterize the time pattern of ED presentation of victims in such accidents in Hong Kong.

All HSPF MCIs from 2005 to 2015 were reviewed retrospectively, with the time interval from accident to ED registration determined for each victim. Multivariable linear regression was used to identify independent factors associated with the time of ED presentation after the accidents.

Eight MCIs involving 492 victims were identified. Victims with an Injury Severity Score (ISS) ≥ 9 had a significantly shorter median time interval compared to those with minor injuries. An ISS ≥ 9 and evacuation by emergency service vessels were associated with a shorter delay in ED arrival, whereas ship sinking, accident at nighttime, and a longer linear distance between the accident and receiving ED were associated with a longer delay.

The dual-wave phenomenon was not present in HSPF MCIs. Early communication is the key to ensure early resource mobilisation and a well-timed response.

Currently, Ketamine is the only safe, effective, and widely used psychedelic-like medicine in Canada. It has demonstrated notably efficacy in providing relief to those experiencing treatment resistant mental health conditions. Pairing Ketamine treatment with psychotherapy, known as Ketamine Assisted Therapy (KAT), has been shown to yield more enduring outcomes. Work by Greenway et al. has demonstrated that playing music following ketamine administration for patients with bipolar disorder can help the patient feel more in control and reduce discomfort (Greenway et al. International Clinical Psychopharmacology 2021; 36 218-220).

The primary objective is to evaluate and compare the subjective clinical efficacy of two different types of music during ketamine-assisted group therapy. This will be explored through various validated psychiatric questionnaires, including the PHQ-9, GAD-7, and PCL-5. The secondary objective is to compare the objective changes in brain activity between the two music types. This will be evaluated using EEG data collected from MUSE headband before and after each ketamine-assisted therapy session.

This study is a crossover trial of 32 participants undergoing ketamine-assisted therapy for treatment-resistant mental health conditions. Half of participants will undergo a KAT session with a “weightless” music playlist followed by a session with a “grounding” music playlist. The other half will do the same, in reverse order. All participants will complete several psychiatric questionnaires within 7 days of each session over email. Before and after each session, participants will play a simple game to test executive function while wearing a headband to measure EEG activity.

The absolute and relative changes to the scores of the questionnaires will be examined between participants and music conditions. The change in brain activity from pre-session to post-session will be compared between the different music conditions as well. As this is a crossover trial, any changes in outcomes due to order effects will be controlled for. Relevant demographic and medical factors will also be controlled for.

To date, no studies have explored the influence that different types of music have on patients experience with KAT in a group therapy setting. With the results of this study, we hope to fine tune and improve the use of music in future KAT administration.

None Declared

The study aimed to evaluate the effectiveness of a device called “Apollo” in reducing anxiety, as compared to a control group. Participants were divided into two groups: the intervention group (receiving the “Apollo” device) and the control group (receiving no intervention).

The primary outcome measure was the change in Generalized Anxiety Disorder 7-item (GAD-7) scores, calculated as the difference between post-GAD-7 and pre-GAD-7 scores.

Participants were recruited from two different cohorts, with the intervention group derived from the “Apollo” dataset and the control group derived from the “KaT Cohort 9” dataset. Matching was performed based on Age, Sex, and pre-GAD-7 scores to create comparable groups.

For those with full datasets, a total of 4 (out of 5) participants from the “Apollo” group were matched with 15 (out of 45) participants from the “Control” group, based on the selected criteria. Data cleaning was performed to handle missing values and non-numeric entries. Propensity score matching was used to match participants from the “Apollo” and “Control” groups based on Age, Sex, and pre-GAD-7 scores. An independent samples t-test was conducted to compare the mean change in GAD-7 scores between the two groups. Since propensity score matching requires complete data on matching factors (age, sex, pre-GAD-7), those without full datasets were excluded.

The median change in GAD-7 scores in the “Apollo” group was −8.5, indicating a median reduction in anxiety symptoms.The independent samples t-test revealed no statistically significant difference in the change in GAD-7 scores between the “Apollo” and “Control” groups (t = -0.889, p = 0.387). Therefore, the study so far did cannot conclude a significant difference.

Ketamine assisted therapy remains a promising way to decrease anxiety among patients with generalized anxiety disorder and elevated GAD-7 scores. Ways to potentially improve these results are increasing the number of Apollo patients and having more balanced numbers between groups.

None Declared

This review explores the benefits of incorporating personal experience(s) with non-ordinary states of consciousness as a core component of Psychedelic-Assisted Therapy (PaT) training.

The program incorporates an optional experiential training component. We collaborate with professionals affiliated with a Canadian non-profit organization specializing in PaT experiential training. As do other stakeholders in this field– including program developers, educators, and researchers–we navigate a rapidly evolving and often ambiguous landscape, where infrastructure and regulations are lagging scientific data and best practices. Given the potential for differing perspectives, the authors acknowledge that their personal experiences could be a potential source of bias, influencing objectivity.

Conversely, these lived experiences could be seen as valuable contributions, enriching perspectives on the role of experiential training. In that context, our intention is to provide a comprehensive review, presenting arguments both in favour of and against the integration of experiential training in PaT.

There is an urgent need for establishing legal training and practice options, bridging the underground with best practices, with all practitioners operating within a regulated and ethically accountable framework. Such a proactive strategy would mitigate the risks associated with unregulated training in a field with relatively few guidelines on how to develop competency.

An in-training PaT experience supports personal comfort, self-assuredness, and confidence supporting others in non-ordinary states of consciousness, with contemporary researchers/experts highlighting the specific challenges among therapists who lack lived experience. These might include holding unrealistic expectations, being unaware of the impacts of set and setting, and misunderstanding

Whether or not therapists engage in experiential training - serving a dual in one’s own healing process, it is imperative that they maintain their own wellness practices. This proactive/primary prevention strategy would improve well-being and resilience, reducing secondary mental health consequences for patients and providers. Cultivating a culture of self-care within the mental health field should be an overarching priority for training programs and professional organizations, without which we are left with broken people in support of broken people. Current rates of burnout, absenteeism and early retirement suggest that we are already on that trajectory and should serve as a call to action.

None Declared