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As a chronic disease with consistent relapse rates, substance use disorders (SUD) require a continuity-of-care approach. Unfortunately, many patients do not have access to continuing care. This systematic review analysed the current scientific knowledge to better understand if app-based smartphone interventions can be an effective alternative. The databases Cochrane Library, PubMed, Web of Science, and PsycINFO were used to find experimental and quasi-experimental studies investigating the effectiveness of a smartphone intervention in individuals who had completed treatment for SUD. After removing duplicates, a total of 1488 studies were screened, with 48 being selected for a full-text review. Four studies met all the criteria, with one other being added by identification through other resources, making a total of 5 studies included in the present review. Out of the four studies using a control group, only one found no significant differences in favour of the experimental group. That study used an active control group and compared the smartphone intervention to its therapeutic group equivalent. There were no significant differences between the two experimental groups. Overall, the results indicate that app-based smartphone interventions can be an effective alternative to traditional forms of continuing care. However, literature is still scarce, and more research needs to be made on this subject.This systematic review is registered at PROSPERO with the identifier [CRD42021272070].

Background: The clinical effects of smartphone‐based interventions for bipolar disorder (BD) have yet to be established. Objectives: To examine the efficacy of smartphone‐based interventions in BD and how the included studies reported user‐engagement indicators. Methods: We conducted a systematic search on January 24, 2022, in PubMed, Scopus, Embase, APA PsycINFO, and Web of Science. We used random‐effects meta‐analysis to calculate the standardized difference (Hedges' g) in pre‐post change scores between smartphone intervention and control conditions. The study was pre‐registered with PROSPERO (CRD42021226668). Results: The literature search identified 6034 studies. Thirteen articles fulfilled the selection criteria. We included seven RCTs and performed meta‐analyses comparing the pre‐post change in depressive and (hypo)manic symptom severity, functioning, quality of life, and perceived stress between smartphone interventions and control conditions. There was significant heterogeneity among studies and no meta‐analysis reached statistical significance. Results were also inconclusive regarding affective relapses and psychiatric readmissions. All studies reported positive user‐engagement indicators. Conclusion: We did not find evidence to support that smartphone interventions may reduce the severity of depressive or manic symptoms in BD. The high heterogeneity of studies supports the need for expert consensus to establish ideally how studies should be designed and the use of more sensitive outcomes, such as affective relapses and psychiatric hospitalizations, as well as the quantification of mood instability. The ISBD Big Data Task Force provides preliminary recommendations to reduce the heterogeneity and achieve more valid evidence in the field. [ABSTRACT FROM AUTHOR]

Background: A meta-analysis was performed to evaluate the effect of smartphone interventions on the anxiety of the pediatric subjects at induction on the day of surgery compared to oral midazolam or standard care as control.Methods: A systematic literature search up to June 2021 was performed and nine studies selected 785 pediatric subjects on the day of surgery at the start of the study; 390 of them were using smartphone interventions, 192 were control, and 203 were using oral midazolam. They were reporting relationships between the effects of smartphone interventions on the anxiety of the pediatric subjects at induction on the day of surgery compared to oral midazolam or control. The mean difference (MD) with its 95% CIs was calculated to assess the effect of smartphone interventions on the anxiety of the pediatric subjects at induction on the day of surgery compared to oral midazolam or control using the continuous method with a fixed or a random-effects model.Results: Smartphone interventions in pediatric subjects were significantly related to lower anxiety at induction on the day of surgery (MD, −19.74; 95% CI, −29.87 to −9.61, p < 0.001) compared to control and significantly related to lower anxiety at induction on the day of surgery (MD, −7.81; 95% CI, −14.49 to −1.14, p = 0.02) compared to oral midazolam.Conclusion: Smartphone interventions in pediatric subjects on the day of surgery may have lower anxiety at induction compared to control and oral midazolam. Further studies are needed to confirm these findings.

Abstract One type of obsessive–compulsive disorder (OCD) is characterized by contamination fears and compulsive cleansing. Few effective treatments are available for this debilitating condition. Compulsive symptoms, such as excessive washing, are believed to be mediated by cognitive inflexibility—arguably the most striking cognitive impairment in OCD. In this study, we investigated the effects of two novel smartphone interventions on cognitive flexibility and OCD symptoms in healthy individuals with OCD-like contamination fears. In the first intervention, participants watched a brief video recording of themselves engaging in handwashing on a smartphone, four times a day, for a total of one week (N = 31). The second intervention was similar except that participants watched themselves repeatedly touching a disgust-inducing object (N = 31). In a third (control) “intervention”, participants watched themselves performing sequential hand movements (N = 31). As hypothesized, the two smartphone interventions, unlike the control, improved cognitive flexibility; as assessed on the Intradimensional–Extradimensional Set Shifting task (a sensitive marker of cognitive flexibility). The two interventions, unlike the control, also improved OCD symptoms (measured with the Obsessive–Compulsive Inventory–Revised and Yale–Brown Obsessive–Compulsive Scale). Finally, we found high levels of adherence to the interventions. These findings have significant clinical implications for OCD.

Unlike traditional methods of delivering substance use disorder (SUD) and mental health treatment, computerized behavioral interventions deliver services via computers, smartphones, and other electronic devices. In recent years, there has been a proliferation of Web-based treatment programs designed for certain target populations. Studies have shown that many of these programs are evidence-based, and some are just as effective as traditional in-person interventions. This article reviews current computerized behavioral interventions and makes recommendations for how these tools can be incorporated into SUD treatment services. [ABSTRACT FROM PUBLISHER]

As a chronic disease with consistent relapse rates, substance use disorders (SUD) require a continuity-of-care approach. Unfortunately, many patients do not have access to continuing care. This systematic review analysed the current scientific knowledge to better understand if app-based smartphone interventions can be an effective alternative. The databases Cochrane Library, PubMed, Web of Science, and PsycINFO were used to find experimental and quasi-experimental studies investigating the effectiveness of a smartphone intervention in individuals who had completed treatment for SUD. After removing duplicates, a total of 1488 studies were screened, with 48 being selected for a full-text review. Four studies met all the criteria, with one other being added by identification through other resources, making a total of 5 studies included in the present review. Out of the four studies using a control group, only one found no significant differences in favour of the experimental group. That study used an active control group and compared the smartphone intervention to its therapeutic group equivalent. There were no significant differences between the two experimental groups. Overall, the results indicate that app-based smartphone interventions can be an effective alternative to traditional forms of continuing care. However, literature is still scarce, and more research needs to be made on this subject. This systematic review is registered at PROSPERO with the identifier [CRD42021272070]. • Few studies have looked at the effectiveness of smartphone app interventions as a form of continuing care for SUD. • It is the content of the intervention and not the medium of delivery that explains the variability of results. • Smartphone app interventions can be an effective continuing care alternative for SUD. [ABSTRACT FROM AUTHOR]

As PPI research embraces the use of the Internet, it is incumbent on the research community to keep up with the ever-evolving best practices in online intervention research. This paper provides an overview of current practices in online positive psychological intervention (OPPI) research and suggests improvements to those practices. Drawing from the broader online intervention literature, the paper outlines important considerations in the design of OPPIs (including user engagement, dosage, and free choice) as well as in their empirical evaluation (including sample selection, statistical approaches, and comparison groups). [ABSTRACT FROM AUTHOR]