Wolfgang Gaebel’s research while affiliated with Heinrich Heine University Düsseldorf and other places

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Publications (425)


Step-by-step intervention plan for WR1 as DMH/DP implementation strategy. VR, virtual reality; AR, augmented reality; DMH, digital mental health; DP, digital psychiatry; TMH, telemental health
Step-by-step intervention plan for WR2 as DMH/DP implementation strategy. VR, virtual reality; AR, augmented reality; DMH, digital mental health; DP, digital psychiatry; TMH, telemental health
Step-by-step intervention plan for WR3 as DMH/DP implementation strategy. VR, virtual reality; AR, augmented reality; DMH, digital mental health; DP, digital psychiatry; TMH, telemental health
Step-by-step intervention plan for WR4 as DMH/DP implementation strategy. VR, virtual reality; AR, augmented reality; DMH, digital mental health; DP, digital psychiatry; TMH, telemental health
The Current Status of Global Digital Mental Health Implementation: Results and Implications of a Web-Based Survey from All WPA Regions
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October 2024

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44 Reads

Journal of Technology in Behavioral Science

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Wolfgang Gaebel

The aim of this study was to compare the availability and use of digital mental health (DMH) across all World Psychiatric Association (WPA) regions (WR) and to guide future regional-tailored initiatives to upscale DMH contingent on introducing international policies, regulations, guidelines, education, and training, the WPA Working Group on Digital Psychiatry developed and disseminated a web-based survey among all 145 WPA National Psychiatric Association (NPA) members, according to official WR including (1) The Americas (WR1), (2) Europe (WR2), (3) Africa, Middle East, Central/Western Asia (WR3), and (4) Asia/Australasia (WR4). Collected data were analyzed using the Qualtrics analytic dashboard. The availability of digital tools/programs in DMH largely varies among WPA regions. In Europe and Asia/Australasia, mobile apps were the most available digital tools (respectively, 76.9% and 90.9%), followed by telemental health (respectively, 65.4% and 81.8%). Wearables, serious games, virtual/augmented reality, and chatbots represented the least commonly used tools/programs across all WR. National policies were mainly reported by Asia/Australasia (81.8%), followed by Europe (38.5%) and the Americas (27.3%). In all WR, less than 40% of NPAs reported the provision of education and training in the use of digital tools and programs in their countries. WPA regional analysis of digital needs promotes designing a roadmap to develop targeted actions to implement DMH and guide global digital upscaling of psychiatric services. Improving digital literacy and digital capacity building of the psychiatric workforce are key priorities for future digital initiatives led by the WPA across all WR.

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Testing a Motor Score Based on PANSS Ratings: A Proxy for Comprehensive Motor Assessment

September 2024

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53 Reads

Schizophrenia Bulletin

Background and Hypothesis Abnormal psychomotor behavior is a core schizophrenia symptom. However, assessment of motor abnormalities with expert rating scales is challenging. The Positive and Negative Syndrome Scale (PANSS) includes 3 items broadly related to hypokinetic motor behavior. Here, we tested whether a sum score of the PANSS items mannerisms and posturing (G5), motor retardation (G7), and disturbance of volition (G13) corresponds to expert ratings, potentially qualifying as a proxy-marker of motor abnormalities. Study Design Combining baseline datasets (n = 196) of 2 clinical trials (OCoPS-P, BrAGG-SoS), we correlated PANSS motor score (PANSSmot) and 5 motor rating scales. In addition, we tested whether the cutoff set at ≥3 on each PANSS motor item, ie, “mild” on G05, G07, and G13 (in total ≥9 on PANSSmot) would differentiate the patients into groups with high vs low scores in motor scales. We further sought for replication in an independent trial (RESIS, n = 102), tested the longitudinal stability using week 3 data of OCoPS-P (n = 75), and evaluated the validity of PANSSmot with instrumental measures of physical activity (n = 113). Study Results PANSSmot correlated with all motor scales (Spearman-Rho-range 0.19–0.52, all P ≤ .007). Furthermore, the cutoff set at ≥3 on each PANSS motor item was able to distinguish patients with high vs low motor scores in all motor scales except using Abnormal Involuntary Movement Scale (Mann-Whitney-U-Tests: all U ≥ 580, P ≤ .017). Conclusions Our findings suggest that PANSSmot could be a proxy measure for hypokinetic motor abnormalities. This might help to combine large datasets from clinical trials to explore whether some interventions may hold promise to alleviate hypokinetic motor abnormalities in psychosis.


CONSORT flow chart showing enrollment and participation in cluster-randomized trial
A Percentages of participants who reached the primary outcome at T0 and T1; B percentages of correctly answered questions among participants at T0 and T1
The impact of a digital guideline version on schizophrenia guideline knowledge: results from a multicenter cluster-randomized controlled trial

July 2024

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91 Reads

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1 Citation

BMC Medicine

Background Clinical practice guidelines are crucial for enhancing healthcare quality and patient outcomes. Yet, their implementation remains inconsistent across various professions and disciplines. Previous findings on the implementation of the German guideline for schizophrenia (2019) revealed low adherence rates among healthcare professionals. Barriers to guideline adherence are multifaceted, influenced by individual, contextual, and guideline-related factors. This study aims to investigate the effectiveness of a digital guideline version compared to print/PDF formats in enhancing guideline adherence. Methods A multicenter, cluster-randomized controlled trial was conducted in South Bavaria, Germany, involving psychologists and physicians. Participants were divided into two groups: implementation of the guideline using a digital online version via the MAGICapp platform and the other using the traditional print/PDF version. The study included a baseline assessment and a post-intervention assessment following a 6-month intervention phase. The primary outcome was guideline knowledge, which was assessed using a guideline knowledge questionnaire. Results The study included 217 participants at baseline and 120 at post-intervention. Both groups showed significant improvements in guideline knowledge; however, no notable difference was found between both study groups regarding guideline knowledge at either time points. At baseline, 43.6% in the control group (CG) and 52.5% of the interventional group (IG) met the criterion. There was no significant difference in the primary outcome between the two groups at either time point (T0: Chi²(1) = 1.65, p = 0.199, T1: Chi²(1) = 0.34, p = 0.561). At post-intervention, both groups improved, with 58.2% in the CG and 63.5% in the IG meeting this criterion. Conclusions While the study did not include a control group without any implementation strategy, the overall improvement in guideline knowledge following an implementation strategy, independent of the format, was confirmed. The digital guideline version, while not superior in enhancing knowledge, showed potential benefits in shared decision-making skills. However, familiarity with traditional formats and various barriers to digital application may have influenced these results. The study highlights the importance of tailored implementation strategies, especially for younger healthcare providers. Trial registration https://drks.de/search/de/trial/DRKS00028895


COVID-19 vaccine attitudes among mental health professionals in the WHO’s global clinical practice network

June 2024

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82 Reads

Although COVID-19 vaccines have demonstrated efficacy, there is variability in health professionals’ attitudes towards these agents. Factors associated with mental health professionals’ attitudes towards COVID-19 vaccination are not well understood. We investigated these factors by administering a newly developed measure, the COVID-19 Vaccine Attitudes Questionnaire (C-VAQ), to members of the World Health Organization’s Global Clinical Practice Network (GCPN) of mental health professionals. 1,931 GCPN members representing all world regions participated between July 28 and September 7, 2021. Mental health professionals’ attitudes towards COVID-19 vaccination were assessed in one of five languages (Chinese, English, French, Japanese, Russian, or Spanish) using the C-VAQ. Internal consistency, factor structure, and predictive validity of the C-VAQ were examined, and a multiple-linear regression model was employed to assess C-VAQ score predictors, including sociodemographic variables (age, gender, WHO region, country income level, profession, and years of professional experience) as well as country mortality rate and the stringency of each country’s response to COVID-19. The C-VAQ demonstrated good internal consistency and external validity. Items loaded on to a single factor. Having received a COVID-19 vaccine, higher country mortality rate, and higher stringency index was significantly associated with more positive vaccine attitudes. Lower age, residing in a low-and-middle income country, and living in Asia were all was significantly associated with less positive vaccine attitudes. The C-VAQ scores were negatively correlated with the number of concerns about the COVID-19 vaccination. The C-VAQ was useful in demonstrating the extent to which additional work is needed to improve mental health professionals’ attitudes towards COVID-19 vaccines globally. Relatively poorer attitudes toward vaccination among some mental health clinicians around the world suggests the need for broad, multi-pronged interventions.


Die Versorgung von an Schizophrenie erkrankten Menschen mit Kognitiver Remediationstherapie – Ergebnisse einer Befragung in psychiatrischen Kliniken in Deutschland

May 2024

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42 Reads

Fortschritte der Neurologie · Psychiatrie

Zusammenfassung Psychosen aus dem schizophrenen Formenkreis gehen mit deutlichen kognitiven Beeinträchtigungen einher, die nach klinischer Symptomremission oft noch in relevantem Ausmaß persistieren und negative Auswirkungen auf die psychosoziale Funktionsfähigkeit haben. Diese Beeinträchtigungen werden von Betroffenen oft als sehr belastend erlebt. Unter dem Oberbegriff der Kognitiven Remediationstherapie (CRT) stehen hierzu zunehmend evidenzbasierte Therapieoptionen zur Verfügung, die sowohl die jeweiligen kognitiven Zielfunktionen als auch das psychosoziale Funktionsniveau verbessern. Nach Expertenempfehlungen sollten dabei mindestens 20 Sitzungen durchgeführt werden, die von qualifiziertem therapeutischem Personal begleitet werden. Die aktuelle Auflage der S3 Behandlungsleitlinie Schizophrenie der Deutschen Gesellschaft für Psychiatrie und Psychotherapie, Psychosomatik und Nervenheilkunde (DGPPN) empfiehlt CRT mit dem höchsten Empfehlungsgrad. Unklar ist in diesem Zusammenhang, wie stark CRT in die stationäre Routineversorgung Einzug genommen hat. Zu dieser Frage wurden 395 psychiatrische Universitäts- und nichtuniversitäre psychiatrische Fachkliniken in Deutschland zwischen Juli 2021 und Mai 2022 angeschrieben und gebeten, einen 14 Items umfassenden Fragebogen zu beantworten. Insgesamt nahmen 26,1% (n=103) der Einrichtungen an der Befragung teil. Hiervon nutzen 56,3% der Kliniken mindestens ein evidenzbasiertes CRT-Verfahren. Bei den eingesetzten CRT-Verfahren wurden Cogpack, Rehacom und das Integrierte Psychologische Therapieprogramm (IPT) am häufigsten genannt. In 87,5% der teilnehmenden Einrichtungen erhalten weniger als die Hälfte der an Schizophrenie erkrankten Menschen eine CRT. Bezogen auf die Kliniken, die ein evidenzbasiertes CRT-Verfahren einsetzen, werden bei 64,3% dabei weniger als 11 Therapieeinheiten durchgeführt, bei 28,6% zwischen 11 und 20 Einheiten und bei 7,2% mehr als 20 Einheiten. Die geringe Rückantwortquote von 26,1% und mögliche Selektionseffekte für die Teilnahme an der Studie sind als Limitationen zu bewerten und wurden kritisch diskutiert. Dennoch legen die Ergebnisse der Befragung nahe, dass CRT zumindest in den teilnehmenden psychiatrischen Kliniken in Deutschland bislang noch nicht flächendeckend, noch nicht bei allen an Schizophrenie erkrankten Menschen und noch nicht in ausreichender Intensität angeboten wird. Zudem zeigt sich seitens der Kliniken der Wunsch nach mehr technischen und personellen Ressourcen und einer umfangreicheren Kompetenzentwicklung zur CRT-Anwendung.


Assessing the impact of sex on high-frequency repetitive transcranial magnetic stimulation´s clinical response in schizophrenia - results from a secondary analysis

March 2024

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69 Reads

The World Journal of Biological Psychiatry

Background: The evidence for repetitive transcranial magnetic stimulation (rTMS) to treat negative symptoms in schizophrenia (SCZ) is increasing, although variable response rates remain a challenge. Subject´s sex critically influences rTMS´ treatment outcomes. Females with major depressive disorder are more likely to respond to rTMS, while SCZ data is scarce. Methods: Using data from the 'rTMS for the Treatment of Negative Symptoms in Schizophrenia' (RESIS) trial we assessed the impact of sex on rTMS´ clinical response rate from screening up to 105 days after intervention among SCZ patients. The impact of resting motor threshold (RMT) on response rates was also assessed. Results: 157 patients received either active or sham rTMS treatment. No significant group differences were observed. Linear mixed model showed no effects on response rates (all p > 0.519). Apart from a significant sex*time interaction for the positive subscale of the positive and negative syndrome scale (PANSS) scores (p = 0.032), no other significant effects of sex on continuous PANSS scores were observed. RMT had no effect on response rate. Conclusion: In the largest rTMS trial on the treatment of SCZ negative symptoms we did not observe any significant effect of sex on treatment outcomes. Better assessments of sex-related differences could improve treatment individualisation.


Evolving Concepts for the Assessment and Treatment of Schizophrenia: Focus on Negative Symptoms and Cognitive Impairment

January 2024

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47 Reads

Schizophrenia is a disabling and complex mental disorder that has a negative impact on the real-life functioning of people suffering from this disease, with a consequent huge burden on patients, on their families, and on the healthcare system. Despite the available interventions, only about 15% of subjects with schizophrenia meet the criteria for recovery. This might be due to the fact that available treatments do not satisfactorily target aspects that greatly influence schizophrenia functional outcome, such as negative symptoms and cognitive impairment. Despite the broad consensus on the definition of different negative symptom and cognitive function domains, these aspects are not always assessed in line with current conceptualization, and they are still poorly recognized and often neglected by physicians, family members/caregivers, and the patient himself/herself as they cause much less concern than other clinical features. In this chapter we focus on negative symptoms and cognitive impairment as the two most neglected schizophrenia dimensions in terms of assessment and treatment; we also provide an update of preclinical and clinical research and its relevance to clinical and research practice, and suggest future directions in the field.


Development and Current Status of ICD-11 Mental, Behavioral, or Neurodevelopmental Disorders

January 2024

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32 Reads

A comprehensive handbook covering current, controversial, and debated topics in psychiatric practice, aligned to the EPA Scientific Sections. All chapters been written by international experts active within their respective fields and they follow a structured template, covering updates relevant to clinical practice and research, current challenges, and future perspectives. This essential book features a wide range of topics in psychiatric research from child and adolescent psychiatry, epidemiology and social psychiatry to forensic psychiatry and neurodevelopmental disorders. It provides a unique global overview on different themes, from the recent dissemination in ordinary clinical practice of the ICD-11 to the innovations in addiction and consultation-liaison psychiatry. In addition, the book offers a multidisciplinary perspective on emerging hot topics including emergency psychiatry, ADHD in adulthood, and innovation in telemental health. An invaluable source of evidence-based information for trainees in psychiatry, psychiatrists, and mental health professionals.


Digitalising mental health care: Practical recommendations from the European Psychiatric Association

December 2023

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162 Reads

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8 Citations

European Psychiatry

The digitalisation of mental health care is expected to improve the accessibility and quality of specialised treatment services and introduce innovative methods to study, assess, and monitor mental health disorders. In this narrative review and practical recommendation of the European Psychiatric Association (EPA), we aim to help healthcare providers and policymakers to navigate this rapidly evolving field. We provide an overview of the current scientific and implementation status across two major domains of digitalisation: i) digital mental health interventions and ii) digital phenotyping , discuss the potential of each domain to improve the accessibility and outcomes of mental health services, and highlight current challenges faced by researchers, clinicians, and service users. Furthermore, we make several recommendations meant to foster the widespread adoption of evidence-based digital solutions for mental health care in the member states of the EPA. To realise the vision of a digitalised, patient-centred, and data-driven mental health ecosystem, a number of implementation challenges must be considered and addressed, spanning from human, technical, ethical–legal, and economic barriers. The list of priority areas and action points our expert panel has identified could serve as a playbook for this process.



Citations (70)


... Similar to the results reported by Petzold et al. on the rating of the effectiveness of different treatment options, the surveyed psychotherapists and psychologists of our sample considered the recommendation concerning psychotherapy in the schizophrenia guideline to be more appropriate and feasible for the treatment of patients with schizophrenia than all other professional groups. Further evidence of professional group-specific differences in knowledge of evidence-based treatment emerged from our recently published clusterrandomized trial [4]. Our findings showed that while 80% Dear Editor, ...

Reference:

Addressing knowledge gaps in evidence-based psychiatric treatment: insights from recent research
The impact of a digital guideline version on schizophrenia guideline knowledge: results from a multicenter cluster-randomized controlled trial

BMC Medicine

... In mental healthcare, digital phenotyping holds promise for supporting diagnosis, monitoring recovery, and customizing therapeutic approaches (Insel, 2018;Torous et al., 2016). Whilst its widespread clinical implementation remains nascent, numerous technologies and applications are already available for various conditions, including depression, psychosis, child and adult ADHD, complemented by recommendations and guidelines from scientific societies (Bufano et al., 2023;Kalman et al., 2023). ...

Digitalising mental health care: Practical recommendations from the European Psychiatric Association

European Psychiatry

... It is believed that schizophrenia may result from an interplay between a number of genetic and environmental factors. Psychosocial factors may also affect the onset and the course of this disease (Tandon et al., 2024). Schizophrenia is a condition where the genetic background has a significant effect on the potential manifestation of the disease. ...

The schizophrenia syndrome, circa 2024: What we know and how that informs its nature
  • Citing Article
  • December 2023

Schizophrenia Research

... BMC Psychiatry (2024) 24:442 used clinical routine data that had not been gathered for the primary purpose of research. We are currently collecting data on clinical severity and social functioning level in a continuing quality assurance project in psychiatric hospitals with a view to address this limitation in future studies [43]. The relatively high number of missing values is also related to the use of clinical routine data. ...

Development and implementation of quality indicators in a group of nine psychiatric hospitals
  • Citing Article
  • October 2023

... Schizophrenia is a serious mental disorder accompanied by disorganization or decline in personality function, causing disability and causing the sufferer to become a burden on the family and society (Digal, 2020;Ismail et al., 2023). Schizophrenia is a type of psychosis that can be accompanied by symptoms of hallucinations and delusions (Gaebel & Salveridou-Hof, 2023;Pietkiewicz et al., 2021). Schizophrenia usually begins in early adulthood, between the ages of 15 and 25 years and men tend to experience schizophrenia than women (Häfner, 2019). ...

Schizophrenia or Other Primary Psychotic Disorders
  • Citing Chapter
  • October 2023

... The World Psychiatry Association (WPA) Working Group on Digital Psychiatry aimed at improving Global Mental Health and Care by favoring and accelerating the global transformation of mental health systems by implementing and upscaling digital services across WPA member society countries belonging to WPA regions (WRs). Within this scope, the working group collected information on the level of accessibility, availability, and usage of digital mental health and care (DMH) across all four WRs through a global digital survey to develop tailored country-based implementation plans to overcome barriers and/or increase potential drivers to DMH and digital psychiatry (DP) adoption and dissemination worldwide Volpe et al., 2023). ...

An update from the WPA Working Group on Digitalization in Mental Health and Care

World psychiatry: official journal of the World Psychiatric Association (WPA)

... 58 This can also be observed with guidelines, which are often out of date by the time they are published. [59][60][61] The previous update to the WHO guidelines on psychoses was in 2014, and since then, there has been a significant amount of new evidence, however, 9 years have passed before a new guideline update was released. One possible solution is to convert the mhGAP WHO guideline on psychoses into a living guideline. ...

Conventional and living guideline for schizophrenia: barriers and facilitating factors in guideline implementation

European Archives of Psychiatry and Clinical Neuroscience

... 82,[84][85][86][87] However, MBC remains underutilised in behavioural healthcare settings. 88,89 As detailed earlier, the upsurge in the use of digital technologies in general medicine has provided opportunities for enhanced patient-centred care and precision medicine to improve patient journeys towards full functional recovery. 68 Some of the important aspects that improved patient-centred care allows are enhancements in the accurate diagnosis of medical conditions; the engagement and involvement of patients in shared clinical decision-making; adherence to treatment; and reducing the stigma of mental illness. ...

Improving Mental Health Care in Depression: A call for action

European Psychiatry

... This study captures the dynamic mental health impact of the COVID-19 pandemic on healthcare workers across two waves, providing a longitudinal view of changes in psychological well-being. Our findings align with international research demonstrating that healthcare workers have faced an accumulation of mental health challenges as the pandemic continued, with many experiencing adverse psychological effects such as heightened stress and burnout [27,28]. In our study, we observed significant differences in emotional wellbeing, stress, and coping strategies between the first wave, during the acute crisis, and the second wave, two years later. ...

Longitudinal Impact of the COVID-19 Pandemic on Stress and Occupational Well-Being of Mental Health Professionals: An International Study

The International Journal of Neuropsychopharmacology

... The PHQ-9 contains 9 questions, mainly asking about the frequency of depressive symptoms over the past two weeks and can be completed in about 5 minutes. Another commonly used clinical assessment scale is the HAMD 18 . It is a clinician-administeblack tool consisting of 17 items to assess the severity of depressive symptoms, with scores ranging from 0 to 52. ...

A factor analytic comparison of three commonly used depression scales (HAMD, MADRS, BDI) in a large sample of depressed inpatients

BMC Psychiatry