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Redecker TM, Jeung-Maarse H, Brandt C. Panic disorder in epilepsy. Epilepsy Behav Rep 2024; 25:100646. [PMID: 38299123 PMCID: PMC10828572 DOI: 10.1016/j.ebr.2024.100646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 01/06/2024] [Accepted: 01/08/2024] [Indexed: 02/02/2024] Open
Abstract
A 51-year-old woman showed structural epilepsy following an atypical, nontraumatic intracranial hemorrhage in the right frontal area. Despite successful seizure control with lamotrigine, she developed severe morning anxiety and panic attacks, leading to agoraphobia, social withdrawal, and psychogenic nonepileptic seizures. Neuropsychiatric and psychological assessments confirmed an anxiety disorder with no significant symptoms of depression. The patient received various psychopharmacological treatments with limited success. This case report illustrates that managing panic disorder in patients with structural epilepsy requires a comprehensive treatment approach that includes pharmacotherapy and psychotherapy. Differential diagnosis and accurate treatment are crucial because of the symptom overlap between panic attacks and peri-ictal fear. Screenings instruments such as the Panic and Agoraphobia Scale (PAS) can aid in assessing anxiety-related symptoms. First-line pharmacotherapy with selective serotonin reuptake inhibitors, especially sertraline, or venlafaxine can effectively reduce panic attacks and can be recommended in patients with epilepsy. Psychotherapy, particularly cognitive-behavioral therapy, is the treatment of choice. Referral to a psychiatrist is indicated when symptoms are severe or refractory to treatment.
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Affiliation(s)
- Tobias M. Redecker
- Bielefeld University, Medical School and University Medical Center OWL, Mara Hospital, Department of Epileptology, Maraweg 21, 33617 Bielefeld, Germany
| | - Haang Jeung-Maarse
- Bielefeld University, Medical School and University Medical Center OWL, Protestant Hospital of the Bethel Foundation, Department of Psychiatry and Psychotherapy, Remterweg 69-71, 33617 Bielefeld, Germany
| | - Christian Brandt
- Bielefeld University, Medical School and University Medical Center OWL, Mara Hospital, Department of Epileptology, Maraweg 21, 33617 Bielefeld, Germany
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Guaiana G, Meader N, Barbui C, Davies SJ, Furukawa TA, Imai H, Dias S, Caldwell DM, Koesters M, Tajika A, Bighelli I, Pompoli A, Cipriani A, Dawson S, Robertson L. Pharmacological treatments in panic disorder in adults: a network meta-analysis. Cochrane Database Syst Rev 2023; 11:CD012729. [PMID: 38014714 PMCID: PMC10683020 DOI: 10.1002/14651858.cd012729.pub3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
BACKGROUND A panic attack is a discrete period of fear or anxiety that has a rapid onset and reaches a peak within 10 minutes. The main symptoms involve bodily systems, such as racing heart, chest pain, sweating, shaking, dizziness, flushing, churning stomach, faintness and breathlessness. Other recognised panic attack symptoms involve fearful cognitions, such as the fear of collapse, going mad or dying, and derealisation (the sensation that the world is unreal). Panic disorder is common in the general population with a prevalence of 1% to 4%. The treatment of panic disorder includes psychological and pharmacological interventions, including antidepressants and benzodiazepines. OBJECTIVES To compare, via network meta-analysis, individual drugs (antidepressants and benzodiazepines) or placebo in terms of efficacy and acceptability in the acute treatment of panic disorder, with or without agoraphobia. To rank individual active drugs for panic disorder (antidepressants, benzodiazepines and placebo) according to their effectiveness and acceptability. To rank drug classes for panic disorder (selective serotonin reuptake inhibitors (SSRIs), serotonin-norepinephrine reuptake inhibitors (SNRIs), tricyclic antidepressants (TCAs), mono-amine oxidase inhibitors (MAOIs) and benzodiazepines (BDZs) and placebo) according to their effectiveness and acceptability. To explore heterogeneity and inconsistency between direct and indirect evidence in a network meta-analysis. SEARCH METHODS We searched the Cochrane Common Mental Disorders Specialised Register, CENTRAL, CDSR, MEDLINE, Ovid Embase and PsycINFO to 26 May 2022. SELECTION CRITERIA We included randomised controlled trials (RCTs) of people aged 18 years or older of either sex and any ethnicity with clinically diagnosed panic disorder, with or without agoraphobia. We included trials that compared the effectiveness of antidepressants and benzodiazepines with each other or with a placebo. DATA COLLECTION AND ANALYSIS Two authors independently screened titles/abstracts and full texts, extracted data and assessed risk of bias. We analysed dichotomous data and continuous data as risk ratios (RRs), mean differences (MD) or standardised mean differences (SMD): response to treatment (i.e. substantial improvement from baseline as defined by the original investigators: dichotomous outcome), total number of dropouts due to any reason (as a proxy measure of treatment acceptability: dichotomous outcome), remission (i.e. satisfactory end state as defined by global judgement of the original investigators: dichotomous outcome), panic symptom scales and global judgement (continuous outcome), frequency of panic attacks (as recorded, for example, by a panic diary; continuous outcome), agoraphobia (dichotomous outcome). We assessed the certainty of evidence using threshold analyses. MAIN RESULTS Overall, we included 70 trials in this review. Sample sizes ranged between 5 and 445 participants in each arm, and the total sample size per study ranged from 10 to 1168. Thirty-five studies included sample sizes of over 100 participants. There is evidence from 48 RCTs (N = 10,118) that most medications are more effective in the response outcome than placebo. In particular, diazepam, alprazolam, clonazepam, paroxetine, venlafaxine, clomipramine, fluoxetine and adinazolam showed the strongest effect, with diazepam, alprazolam and clonazepam ranking as the most effective. We found heterogeneity in most of the comparisons, but our threshold analyses suggest that this is unlikely to impact the findings of the network meta-analysis. Results from 64 RCTs (N = 12,310) suggest that most medications are associated with either a reduced or similar risk of dropouts to placebo. Alprazolam and diazepam were associated with a lower dropout rate compared to placebo and were ranked as the most tolerated of all the medications examined. Thirty-two RCTs (N = 8569) were included in the remission outcome. Most medications were more effective than placebo, namely desipramine, fluoxetine, clonazepam, diazepam, fluvoxamine, imipramine, venlafaxine and paroxetine, and their effects were clinically meaningful. Amongst these medications, desipramine and alprazolam were ranked highest. Thirty-five RCTs (N = 8826) are included in the continuous outcome reduction in panic scale scores. Brofaromine, clonazepam and reboxetine had the strongest reductions in panic symptoms compared to placebo, but results were based on either one trial or very small trials. Forty-one RCTs (N = 7853) are included in the frequency of panic attack outcome. Only clonazepam and alprazolam showed a strong reduction in the frequency of panic attacks compared to placebo, and were ranked highest. Twenty-six RCTs (N = 7044) provided data for agoraphobia. The strongest reductions in agoraphobia symptoms were found for citalopram, reboxetine, escitalopram, clomipramine and diazepam, compared to placebo. For the pooled intervention classes, we examined the two primary outcomes (response and dropout). The classes of medication were: SSRIs, SNRIs, TCAs, MAOIs and BDZs. For the response outcome, all classes of medications examined were more effective than placebo. TCAs as a class ranked as the most effective, followed by BDZs and MAOIs. SSRIs as a class ranked fifth on average, while SNRIs were ranked lowest. When we compared classes of medication with each other for the response outcome, we found no difference between classes. Comparisons between MAOIs and TCAs and between BDZs and TCAs also suggested no differences between these medications, but the results were imprecise. For the dropout outcome, BDZs were the only class associated with a lower dropout compared to placebo and were ranked first in terms of tolerability. The other classes did not show any difference in dropouts compared to placebo. In terms of ranking, TCAs are on average second to BDZs, followed by SNRIs, then by SSRIs and lastly by MAOIs. BDZs were associated with lower dropout rates compared to SSRIs, SNRIs and TCAs. The quality of the studies comparing antidepressants with placebo was moderate, while the quality of the studies comparing BDZs with placebo and antidepressants was low. AUTHORS' CONCLUSIONS In terms of efficacy, SSRIs, SNRIs (venlafaxine), TCAs, MAOIs and BDZs may be effective, with little difference between classes. However, it is important to note that the reliability of these findings may be limited due to the overall low quality of the studies, with all having unclear or high risk of bias across multiple domains. Within classes, some differences emerged. For example, amongst the SSRIs paroxetine and fluoxetine seem to have stronger evidence of efficacy than sertraline. Benzodiazepines appear to have a small but significant advantage in terms of tolerability (incidence of dropouts) over other classes.
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Affiliation(s)
| | - Nicholas Meader
- Centre for Reviews and Dissemination, University of York, York, UK
- Cochrane Common Mental Disorders, University of York, York, UK
| | - Corrado Barbui
- Department of Neurosciences, Biomedicine and Movement Sciences, Section of Psychiatry, University of Verona, Verona, Italy
- Cochrane Global Mental Health, University of Verona, Verona, Italy
| | - Simon Jc Davies
- Geriatric Psychiatry Division, CAMH, University of Toronto, Toronto, Canada
| | - Toshi A Furukawa
- Department of Health Promotion and Human Behavior, Kyoto University Graduate School of Medicine/School of Public Health, Kyoto, Japan
| | - Hissei Imai
- Department of Health Promotion and Human Behavior, Kyoto University Graduate School of Medicine/School of Public Health, Kyoto, Japan
| | - Sofia Dias
- Centre for Reviews and Dissemination, University of York, York, UK
| | - Deborah M Caldwell
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Markus Koesters
- Center for Evidence-Based Healthcare, University Hospital Carl Gustav Carus and Carl Gustav Carus Faculty of Medicine, Technische Universität Dresden, Chemnitz, Germany
| | - Aran Tajika
- Department of Psychiatry, Kyoto University Hospital, Kyoto, Japan
| | - Irene Bighelli
- Klinik und Poliklinik für Psychiatrie und Psychotherapie, Technische Universität München Klinikum rechts der Isar, München, Germany
| | | | - Andrea Cipriani
- Department of Psychiatry, University of Oxford, Oxford, UK
- Warneford Hospital, Oxford Health NHS Foundation Trust, Oxford, UK
- Oxford Precision Psychiatry Lab, Oxford Health Biomedical Research Centre, Oxford, UK
| | - Sarah Dawson
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
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Aryaie M, Sokout T, Moradi S, Abyad A, Asadollahi A. Frailty and Mental Health Disorders Before and During COVID-19 Occurrence in Older Population in Iran: A Longitudinal Repeated-Measures Study. J Prim Care Community Health 2022; 13:21501319221126979. [PMID: 36495092 PMCID: PMC9747360 DOI: 10.1177/21501319221126979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
PURPOSE Iranians' worry over the number of older patients negatively impacted by COVID-19 surged dramatically throughout the 5 waves of the COVID-19 pandemic, which lasted from January 2020 to September 2021. The goal of this research was to assess the physical and mental health of Iranian older persons throughout the COVID-19 pandemic's major waves. METHODS The health condition of 507 older persons with a positive examination for COVID-19 illness was assessed before and throughout the 5 waves of coronavirus in south Iran in analytical and hybrid longitudinal research. RESULTS The primary consequences of COVID-19 incidence on frailty and mental health issues were revealed in this investigation. Using a linear mixed model, we found a reduction of 0.33 in loneliness (β = -.33, 95% CI -0.39 to -0.26) during the COVID-19 pandemic. The probabilities of becoming depressed, anxious, or frail rose 4.61 (95% CI: 3.77-5.63), 1.85 (95% CI: 1.52-2.24), as well as 1.42 (95% CI: 1.17-1.42) time, subsequently, with COVID-19 occurrence, according to the mixed logistic models. Furthermore, the influence of COVID-19 incidence on loneliness result differs by gender; for depression, it varies by education; and for anxiety, it changes by comorbidities and living independently. CONCLUSION The COVID-19 pandemic significantly impacts the mental health and frailty of older persons with the positive COVID-19 situation, and this scenario is gender-based too.
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Affiliation(s)
| | | | | | | | - Abdolrahim Asadollahi
- Shiraz University of Medical Sciences, Shiraz, Iran,Middle East Longevity Institute in Abyad Medical Centre, Tripoli, Lebanon,Abdolrahim Asadollahi, Department of Health Promotion & Ageing, Faculty of Health, Shiraz University of Medical Sciences, 3rd Floor, Razi Avenue, Shiraz 7153675541, Iran.
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Herhaus B, Siepmann M, Kahaly GJ, Conrad R, Petrowski K. Effect of a Biofeedback Intervention on Heart Rate Variability in Individuals With Panic Disorder: A Randomized Controlled Trial. Psychosom Med 2022; 84:199-209. [PMID: 34654028 DOI: 10.1097/psy.0000000000001031] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE Some individuals with panic disorder (PD) display reduced heart rate variability (HRV), which may result in an increased risk of cardiovascular mortality. Heart rate variability-biofeedback (HRV-BF) training has been shown to improve the modulation of the autonomic activity. Therefore, this randomized controlled trial was conducted to investigate the effect of a 4-week HRV-BF intervention in individuals with PD. HRV-BF training improved the modulation of the autonomic activity. Therefore, with this randomized controlled trial, we aimed to investigate the effect of a 4-week HRV-BF intervention in people with PD. METHODS Thirty-six women and 16 men with PD (mean age = 35.85 [15.60] years) were randomly allocated either to HRV-BF with 0.1-Hz breathing as intervention group or to HRV-Sham-BF as active control group. HRV-BF was performed for 4 weeks, whereas HRV was measured both during a short-term resting condition and during a paced breathing condition before and after intervention. RESULTS HRV-BF with 0.1-Hz breathing increased HRV and reduced panic symptoms in individuals with PD. HRV-BF with 0.1-Hz breathing demonstrated an increase in the time and frequency domain parameters of HRV during the short-term resting condition (ΔPost-Pre root mean square successive differences: 5.87 [14.03] milliseconds; ΔPost-Pre standard deviation of all NN intervals: 11.63 [17.06] milliseconds; ΔPost-Pre total power: 464.88 [1825.47] milliseconds2; ΔPost-Pre power in low-frequency range 0.04-0.15 Hz: 312.73 [592.71] milliseconds2), a decrease in the heart rate during the paced breathing condition (ΔPost-Pre: -5.87 [9.14] beats/min), and a decrease in the Panic and Agoraphobia Scale (ΔPost-Pre: -3.64 [6.30]). There was no intervention effect in the HRV-Sham-BF group. CONCLUSIONS HRV-BF as a noninvasive and nonpharmacological treatment seems to be an important intervention option to improve reduced HRV and decrease panic symptoms in individuals with PD. Future studies are needed to establish whether these effects translate to reductions in the risk of cardiovascular disease in PD.
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Affiliation(s)
- Benedict Herhaus
- From the Medical Psychology and Medical Sociology (Herhaus, Petrowski), University Medical Center of the Johannes Gutenberg University Mainz, Mainz; Clinic for Psychotherapy and Psychosomatic Medicine (Siepmann), University Hospital Carl Gustav Carus, Technical University Dresden, Dresden; Department of Medicine I (Kahaly), Johannes Gutenberg University Medical Center, Mainz; and Department of Psychosomatic Medicine und Psychotherapy (Conrad), University Hospital Bonn, Bonn, Germany
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Ebenfeld L, Lehr D, Ebert DD, Kleine Stegemann S, Riper H, Funk B, Berking M. Evaluating a Hybrid Web-Based Training Program for Panic Disorder and Agoraphobia: Randomized Controlled Trial. J Med Internet Res 2021; 23:e20829. [PMID: 33661121 PMCID: PMC7974752 DOI: 10.2196/20829] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 10/06/2020] [Accepted: 01/17/2021] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND Previous studies provide evidence for the effectiveness of web-based interventions for panic disorder with and without agoraphobia. Smartphone-based technologies hold significant potential for further enhancing the accessibility and efficacy of such interventions. OBJECTIVE This randomized controlled trial aims to evaluate the efficacy of a guided, hybrid web-based training program based on cognitive behavioral therapy for adults with symptoms of panic disorder. METHODS Participants (N=92) with total scores in the Panic and Agoraphobia Scale ranging from 9 to 28 were recruited from the general population and allocated either to a hybrid intervention (GET.ON Panic) or to a wait-list control group. The primary outcome was the reduction in panic symptoms, as self-assessed using a web-based version of the Panic and Agoraphobia Scale. RESULTS Analysis of covariance-based intention-to-treat analyses revealed a significantly stronger decrease in panic symptoms posttreatment (F=9.77; P=.002; Cohen d=0.66; 95% CI 0.24-1.08) in the intervention group than in the wait-list control group. Comparisons between groups of the follow-up measures at 3 and 6 months yielded even stronger effects (3-month follow-up: F=17.40, P<.001, Cohen d=0.89, 95% CI 0.46-1.31; 6-month follow-up: F=14.63, P<.001, Cohen d=0.81, 95% CI 0.38-1.24). CONCLUSIONS Hybrid web-based training programs may help reduce the symptoms of panic disorder and hence play an important role in improving health care for patients with this debilitating disorder. TRIAL REGISTRATION German Clinical Trial Register DRKS00005223; https://tinyurl.com/f4zt5ran. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID) RR2-10.1186/1745-6215-15-427.
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Affiliation(s)
| | - Dirk Lehr
- Leuphana University, Lüneburg, Germany
| | - David Daniel Ebert
- Leuphana University, Lüneburg, Germany
- Technical University of Munich, Munich, Germany
| | | | - Heleen Riper
- GGZ ingeest Amsterdam, Amsterdam, Netherlands
- Vrije Universiteit Amsterdam, Amsterdam, Netherlands
- Amsterdam Public Health Research Institute, Amsterdam, Netherlands
| | | | - Matthias Berking
- Friedrich-Alexander-University Nuremberg-Erlangen, Nuremberg-Erlangen, Germany
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6
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Ebenfeld L, Kleine Stegemann S, Lehr D, Ebert DD, Funk B, Riper H, Berking M. A mobile application for panic disorder and agoraphobia: Insights from a multi-methods feasibility study. Internet Interv 2020; 19:100296. [PMID: 31890640 PMCID: PMC6926267 DOI: 10.1016/j.invent.2019.100296] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 11/22/2019] [Accepted: 11/22/2019] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND Panic disorder with and without agoraphobia (PD) is a common psychological disorder. Internet-based interventions have the potential to offer highly scalable low-threshold evidence-based care to people suffering from PD. GET.ON Panic is a newly developed internet-based intervention addressing symptoms of PD. In order to transfer the training into the daily life of the individuals, we integrated mobile components in the training and created a so-called hybrid online training. The development and beta-testing of such a training requires a novel interdisciplinary approach between IT specialists and psychologists. From this point of view, we would like to share our experiences in this exploratory paper. METHODS This initial feasibility study (N = 10) offers, on the one hand, a brief overview of the interdisciplinary development phase of the mobile application and on the other hand, provides first insights into the usage, usability and acceptance of this mobile application using qualitative interview data as well quantitative measures of 8 completing participants. For these reasons, we used a pre-posttest design without a control group. Furthermore, we present initial clinical outcomes of the intervention on e.g. panic symptom severity, depressive symptoms as well additional anxiety measures. Finally, we end with implications for further research in the relatively new field of mobile mental health. RESULTS Overall, usability, user satisfaction, motivational value and technology acceptance of the app were perceived as high. The usage of app components was diverse: The use of interoceptive exposure exercises and daily summaries on anxiety and mood was highest while using in-vivo exposure exercises and monitoring panic symptoms was perceived as difficult. Furthermore, participants showed after the training less clinical symptoms as at baseline-assessment. DISCUSSION The current feasibility study contributes to an in-depth understanding of the potential of mobile technology in e-mental health. Overall, the GET.ON Panic app appears to be an acceptable and motivational part of a CBT-based hybrid online training for PD that has the potential to promote training success. After some suggested adjustments have been made, the efficacy should be investigated in a randomized controlled trial.
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Affiliation(s)
| | | | - Dirk Lehr
- Leuphana University, Lueneburg, Germany
| | - David Daniel Ebert
- Leuphana University, Lueneburg, Germany
- Friedrich-Alexander-University Nuremberg-Erlangen, Germany
- Free University of Amsterdam and the Amsterdam Public Health Research Institute, the Netherlands
| | | | - Heleen Riper
- Free University of Amsterdam Medical Center, the Netherlands
- GGZ ingest Amsterdam, the Netherlands
- Free University of Amsterdam and the Amsterdam Public Health Research Institute, the Netherlands
| | - Matthias Berking
- Leuphana University, Lueneburg, Germany
- Friedrich-Alexander-University Nuremberg-Erlangen, Germany
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Personality and anxiety disorders: examination of revised reinforcement sensitivity theory in clinical generalized anxiety disorder, social anxiety disorder, and panic disorder. CURRENT ISSUES IN PERSONALITY PSYCHOLOGY 2020. [DOI: 10.5114/cipp.2020.95148] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Reddy YCJ, Sudhir PM, Manjula M, Arumugham SS, Narayanaswamy JC. Clinical Practice Guidelines for Cognitive-Behavioral Therapies in Anxiety Disorders and Obsessive-Compulsive and Related Disorders. Indian J Psychiatry 2020; 62:S230-S250. [PMID: 32055066 PMCID: PMC7001348 DOI: 10.4103/psychiatry.indianjpsychiatry_773_19] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 12/16/2019] [Indexed: 12/05/2022] Open
Affiliation(s)
- Y C Janardhan Reddy
- Department of Psychiatry, National Institute of Mental Health and Neuro Sciences, Bengaluru, Karnataka, India
| | - Paulomi M Sudhir
- Department of Clinical Psychology, National Institute of Mental Health and Neuro Sciences, Bengaluru, Karnataka, India
| | - M Manjula
- Department of Clinical Psychology, National Institute of Mental Health and Neuro Sciences, Bengaluru, Karnataka, India
| | - Shyam Sundar Arumugham
- Department of Psychiatry, National Institute of Mental Health and Neuro Sciences, Bengaluru, Karnataka, India
| | - Janardhanan C Narayanaswamy
- Department of Psychiatry, National Institute of Mental Health and Neuro Sciences, Bengaluru, Karnataka, India
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Bighelli I, Castellazzi M, Cipriani A, Girlanda F, Guaiana G, Koesters M, Turrini G, Furukawa TA, Barbui C. Antidepressants versus placebo for panic disorder in adults. Cochrane Database Syst Rev 2018; 4:CD010676. [PMID: 29620793 PMCID: PMC6494573 DOI: 10.1002/14651858.cd010676.pub2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
BACKGROUND Panic disorder is characterised by repeated, unexpected panic attacks, which represent a discrete period of fear or anxiety that has a rapid onset, reaches a peak within 10 minutes, and in which at least four of 13 characteristic symptoms are experienced, including racing heart, chest pain, sweating, shaking, dizziness, flushing, stomach churning, faintness and breathlessness. It is common in the general population with a lifetime prevalence of 1% to 4%. The treatment of panic disorder includes psychological and pharmacological interventions. Amongst pharmacological agents, the National Institute for Health and Care Excellence (NICE) and the British Association for Psychopharmacology consider antidepressants, mainly selective serotonin reuptake inhibitors (SSRIs), as the first-line treatment for panic disorder, due to their more favourable adverse effect profile over monoamine oxidase inhibitors (MAOIs) and tricyclic antidepressants (TCAs). Several classes of antidepressants have been studied and compared, but it is still unclear which antidepressants have a more or less favourable profile in terms of effectiveness and acceptability in the treatment of this condition. OBJECTIVES To assess the effects of antidepressants for panic disorder in adults, specifically:1. to determine the efficacy of antidepressants in alleviating symptoms of panic disorder, with or without agoraphobia, in comparison to placebo;2. to review the acceptability of antidepressants in panic disorder, with or without agoraphobia, in comparison with placebo; and3. to investigate the adverse effects of antidepressants in panic disorder, with or without agoraphobia, including the general prevalence of adverse effects, compared to placebo. SEARCH METHODS We searched the Cochrane Common Mental Disorders' (CCMD) Specialised Register, and CENTRAL, MEDLINE, EMBASE and PsycINFO up to May 2017. We handsearched reference lists of relevant papers and previous systematic reviews. SELECTION CRITERIA All double-blind, randomised, controlled trials (RCTs) allocating adults with panic disorder to antidepressants or placebo. DATA COLLECTION AND ANALYSIS Two review authors independently checked eligibility and extracted data using a standard form. We entered data into Review Manager 5 using a double-check procedure. Information extracted included study characteristics, participant characteristics, intervention details and settings. Primary outcomes included failure to respond, measured by a range of response scales, and treatment acceptability, measured by total number of dropouts for any reason. Secondary outcomes included failure to remit, panic symptom scales, frequency of panic attacks, agoraphobia, general anxiety, depression, social functioning, quality of life and patient satisfaction, measured by various scales as defined in individual studies. We used GRADE to assess the quality of the evidence for each outcome MAIN RESULTS: Forty-one unique RCTs including 9377 participants overall, of whom we included 8252 in the 49 placebo-controlled arms of interest (antidepressant as monotherapy and placebo alone) in this review. The majority of studies were of moderate to low quality due to inconsistency, imprecision and unclear risk of selection and performance bias.We found low-quality evidence that revealed a benefit for antidepressants as a group in comparison with placebo in terms of efficacy measured as failure to respond (risk ratio (RR) 0.72, 95% confidence interval (CI) 0.66 to 0.79; participants = 6500; studies = 30). The magnitude of effect corresponds to a number needed to treat for an additional beneficial outcome (NNTB) of 7 (95% CI 6 to 9): that means seven people would need to be treated with antidepressants in order for one to benefit. We observed the same finding when classes of antidepressants were compared with placebo.Moderate-quality evidence suggested a benefit for antidepressants compared to placebo when looking at number of dropouts due to any cause (RR 0.88, 95% CI 0.81 to 0.97; participants = 7850; studies = 30). The magnitude of effect corresponds to a NNTB of 27 (95% CI 17 to 105); treating 27 people will result in one person fewer dropping out. Considering antidepressant classes, TCAs showed a benefit over placebo, while for SSRIs and serotonin-norepinephrine reuptake inhibitor (SNRIs) we observed no difference.When looking at dropouts due to adverse effects, which can be considered as a measure of tolerability, we found moderate-quality evidence showing that antidepressants as a whole are less well tolerated than placebo. In particular, TCAs and SSRIs produced more dropouts due to adverse effects in comparison with placebo, while the confidence interval for SNRI, noradrenergic reuptake inhibitors (NRI) and other antidepressants were wide and included the possibility of no difference. AUTHORS' CONCLUSIONS The identified studies comprehensively address the objectives of the present review.Based on these results, antidepressants may be more effective than placebo in treating panic disorder. Efficacy can be quantified as a NNTB of 7, implying that seven people need to be treated with antidepressants in order for one to benefit. Antidepressants may also have benefit in comparison with placebo in terms of number of dropouts, but a less favourable profile in terms of dropout due to adverse effects. However, the tolerability profile varied between different classes of antidepressants.The choice of whether antidepressants should be prescribed in clinical practice cannot be made on the basis of this review.Limitations in results include funding of some studies by pharmaceutical companies, and only assessing short-term outcomes.Data from the present review will be included in a network meta-analysis of psychopharmacological treatment in panic disorder, which will hopefully provide further useful information on this issue.
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Affiliation(s)
- Irene Bighelli
- Klinikum rechts der Isar, Technische Universität MünchenDepartment of Psychiatry and PsychotherapyIsmaningerstr. 22MunichGermany
| | - Mariasole Castellazzi
- University of VeronaDepartment of Neuroscience, Biomedicine and Movement Sciences, Section of PsychiatryVeronaItaly
| | - Andrea Cipriani
- University of OxfordDepartment of PsychiatryWarneford HospitalOxfordUKOX3 7JX
| | | | - Giuseppe Guaiana
- Western UniversityDepartment of PsychiatrySaint Thomas Elgin General Hospital189 Elm StreetSt ThomasONCanadaN5R 5C4
| | | | - Giulia Turrini
- University of VeronaDepartment of Neuroscience, Biomedicine and Movement Sciences, Section of PsychiatryVeronaItaly
| | - Toshi A Furukawa
- Kyoto University Graduate School of Medicine/School of Public HealthDepartment of Health Promotion and Human BehaviorYoshida Konoe‐cho, Sakyo‐ku,KyotoJapan606‐8501
| | - Corrado Barbui
- University of VeronaDepartment of Neuroscience, Biomedicine and Movement Sciences, Section of PsychiatryVeronaItaly
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Abstract
Accumulating research in rodents and humans indicates that exercise benefits brain function and may prevent or delay onset of neurodegenerative conditions. In particular, exercise modifies the structure and function of the hippocampus, a brain area important for learning and memory. This review addresses the central and peripheral mechanisms underlying the beneficial effects of exercise on the hippocampus. We focus on running-induced changes in adult hippocampal neurogenesis, neural circuitry, neurotrophins, synaptic plasticity, neurotransmitters, and vasculature. The role of peripheral factors in hippocampal plasticity is also highlighted. We discuss recent evidence that systemic factors released from peripheral organs such as muscle (myokines), liver (hepatokines), and adipose tissue (adipokines) during exercise contribute to hippocampal neurotrophin and neurogenesis levels, and memory function. A comprehensive understanding of the body-brain axis is needed to elucidate how exercise improves hippocampal plasticity and cognition.
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Affiliation(s)
- C'iana Cooper
- Neuroplasticity and Behavior Unit, Laboratory of Neurosciences, National Institute on Aging, National Institutes of Health, Biomedical Research Center, Baltimore, Maryland 21224
| | - Hyo Youl Moon
- Neuroplasticity and Behavior Unit, Laboratory of Neurosciences, National Institute on Aging, National Institutes of Health, Biomedical Research Center, Baltimore, Maryland 21224
- Institute of Sport Science, Seoul National University, Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Henriette van Praag
- Neuroplasticity and Behavior Unit, Laboratory of Neurosciences, National Institute on Aging, National Institutes of Health, Biomedical Research Center, Baltimore, Maryland 21224
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Lattari E, Budde H, Paes F, Neto GAM, Appolinario JC, Nardi AE, Murillo-Rodriguez E, Machado S. Effects of Aerobic Exercise on Anxiety Symptoms and Cortical Activity in Patients with Panic Disorder: A Pilot Study. Clin Pract Epidemiol Ment Health 2018; 14:11-25. [PMID: 29515644 PMCID: PMC5827302 DOI: 10.2174/1745017901814010011] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Revised: 11/28/2017] [Accepted: 12/01/2017] [Indexed: 11/22/2022]
Abstract
BACKGROUND The effects of the aerobic exercise on anxiety symptoms in patients with Panic Disorder (PD) remain unclear. Thus, the investigation of possible changes in EEG frontal asymmetry could contribute to understand the relationship among exercise, brain and anxiety. OBJECTIVE To investigate the acute effects of aerobic exercise on the symptoms of anxiety and the chronic effects of aerobic exercise on severity and symptoms related to PD, besides the changes in EEG frontal asymmetry. METHODS Ten PD patients were divided into two groups, Exercise Group (EG; n=5) and Control Group (CG; n=5), in a randomized allocation. At baseline and post-intervention, they submitted the psychological evaluation through Panic Disorder Severity Scale (PDSS), Beck Anxiety Inventory (BAI), Beck Depression Inventory-II (BDI-II), EEG frontal asymmetry, and maximal oxygen consumption (VO2max). On the second visit, the patients of EG being submitted to the aerobic exercise (treadmill, 25 minutes, and 50-55% of heart rate reserve) and the CG remained seated for the same period of time. Both groups submitted a psychological evaluation with Subjective Units of Distress Scale (SUDS) at baseline, immediately after (Post-0), and after 10 minutes of the rest pause (Post-10). The patients performed 12 sessions of aerobic exercise with 48-72 hours of interval between sessions. RESULTS In EG, SUDS increased immediately after exercise practice and showed chronic decrease in BAI and BDI-II as well as increased in VO2max (Post-intervention). CONCLUSION Aerobic exercise can promote increase in anxiety acutely and regular aerobic exercise promotes reduction in anxiety levels.
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Affiliation(s)
- Eduardo Lattari
- Laboratory of Panic and Respiration, Institute of Psychiatry, Federal University of Rio de Janeiro (IPUB/UFRJ), Rio de Janeiro, Brazil
| | - Henning Budde
- Faculty of Human Sciences, Medical School Hamburg, Kaiserkai 1, 20457 Hamburg, Germany, Lithuanian Sports University, Kaunas, Lithuania, Physical Activity, Physical Education, Health and Sport Research Centre (PAPESH), Sports Science Department, School of Science and Engineering, Reykjavik University, Reykjavik, Iceland
| | - Flávia Paes
- Laboratory of Panic and Respiration, Institute of Psychiatry, Federal University of Rio de Janeiro (IPUB/UFRJ), Rio de Janeiro, Brazil
| | | | | | - Antônio Egídio Nardi
- Laboratory of Panic and Respiration, Institute of Psychiatry, Federal University of Rio de Janeiro (IPUB/UFRJ), Rio de Janeiro, Brazil
| | - Eric Murillo-Rodriguez
- Laboratorio de Neurociencias Moleculares e Integrativas. Escuela de Medicina, Division Ciencias de la Salud, Universidad Anahuac Mayab. Merida, Yucatan. Mexico
| | - Sérgio Machado
- Laboratory of Panic and Respiration, Institute of Psychiatry, Federal University of Rio de Janeiro (IPUB/UFRJ), Rio de Janeiro, Brazil
- Laboratory of Physical Activity Neuroscience, Physical Activity Sciences Post-Graduate Program (PGCAF), Salgado de Oliveira University, Niteroi, Brazil
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12
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Abstract
Anxiety disorders (generalized anxiety disorder, panic disorder/agoraphobia, social anxiety disorder, and others) are the most prevalent psychiatric disorders, and are associated with a high burden of illness. Anxiety disorders are often underrecognized and undertreated in primary care. Treatment is indicated when a patient shows marked distress or suffers from complications resulting from the disorder. The treatment recommendations given in this article are based on guidelines, meta-analyses, and systematic reviews of randomized controlled studies. Anxiety disorders should be treated with psychological therapy, pharmacotherapy, or a combination of both. Cognitive behavioral therapy can be regarded as the psychotherapy with the highest level of evidence. First-line drugs are the selective serotonin reuptake inhibitors and serotonin-norepinephrine reuptake inhibitors. Benzodiazepines are not recommended for routine use. Other treatment options include pregabalin, tricyclic antidepressants, buspirone, moclobemide, and others. After remission, medications should be continued for 6 to 12 months. When developing a treatment plan, efficacy, adverse effects, interactions, costs, and the preference of the patient should be considered.
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Affiliation(s)
- Borwin Bandelow
- Department of Psychiatry and Psychotherapy, University Medical Center, Gottingen, Germany
| | - Sophie Michaelis
- Department of Psychiatry and Psychotherapy, University Medical Center, Gottingen, Germany
| | - Dirk Wedekind
- Department of Psychiatry and Psychotherapy, University Medical Center, Gottingen, Germany
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13
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Christoforou M, Sáez Fonseca JA, Tsakanikos E. Two Novel Cognitive Behavioral Therapy-Based Mobile Apps for Agoraphobia: Randomized Controlled Trial. J Med Internet Res 2017; 19:e398. [PMID: 29175809 PMCID: PMC5722980 DOI: 10.2196/jmir.7747] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Revised: 09/09/2017] [Accepted: 09/27/2017] [Indexed: 01/04/2023] Open
Abstract
Background Despite the large body of literature demonstrating the effectiveness of cognitive behavioral treatments for agoraphobia, many patients remain untreated because of various barriers to treatment. Web-based and mobile-based interventions targeting agoraphobia may provide a solution to this problem, but there is a lack of research investigating the efficacy of such interventions. Objective The objective of our study was to evaluate for the first time the effectiveness of a self-guided mobile-based intervention primarily targeting agoraphobic symptoms, with respect to a generic mobile app targeting anxiety. Methods A Web-based randomized controlled trial (RCT) compared a novel mobile app designed to target agoraphobia (called Agoraphobia Free) with a mobile app designed to help with symptoms of anxiety in general (called Stress Free). Both interventions were based on established cognitive behavioral principles. We recruited participants (N=170) who self-identified as having agoraphobia and assessed them online at baseline, midpoint, and end point (posttreatment) over a period of 12 weeks. The primary outcome was symptom severity measured by the Panic and Agoraphobia Scale. Results Both groups had statistically significant improvements in symptom severity over time (difference –5.97, 95% CI –8.49 to –3.44, P<.001 for Agoraphobia Free and –6.35, 95% CI –8.82 to –3.87, P<.001 for Stress Free), but there were no significant between-group differences on the primary outcome (difference 0.38, 95% CI –1.96 to 3.20, P=.64). Conclusions This is, to our knowledge, the first RCT to provide evidence that people who identify as having agoraphobia may equally benefit from a diagnosis-specific and a transdiagnostic mobile-based intervention. We also discuss clinical and research implications for the development and dissemination of mobile mental health apps. Trial Registration International Standard Randomized Controlled Trial Number (ISRCTN): 98453199; http://www.isrctn.com /ISRCTN98453199 (Archived by WebCite at http://www.webcitation.org/6uR5vsdZw)
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Affiliation(s)
| | - José Andrés Sáez Fonseca
- Division of Psychiatry, University College London, London, United Kingdom.,Department of Psychology, University of Roehampton, London, United Kingdom
| | - Elias Tsakanikos
- Department of Psychology, University of Roehampton, London, United Kingdom
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14
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Stonerock GL, Hoffman BM, Smith PJ, Blumenthal JA. Exercise as Treatment for Anxiety: Systematic Review and Analysis. Ann Behav Med 2016; 49:542-56. [PMID: 25697132 DOI: 10.1007/s12160-014-9685-9] [Citation(s) in RCA: 169] [Impact Index Per Article: 21.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Exercise has been shown to reduce symptoms of anxiety, but few studies have studied exercise in individuals preselected because of their high anxiety. PURPOSE The objective of this study is to review and critically evaluate studies of exercise training in adults with either high levels of anxiety or an anxiety disorder. METHODS We conducted a systematic review of randomized clinical trials (RCTs) in which anxious adults were randomized to an exercise or nonexercise control condition. Data were extracted concerning anxiety outcomes and study design. Existing meta-analyses were also reviewed. RESULTS Evidence from 12 RCTs suggested benefits of exercise, for select groups, similar to established treatments and greater than placebo. However, most studies had significant methodological limitations, including small sample sizes, concurrent therapies, and inadequate assessment of adherence and fitness levels. CONCLUSIONS Exercise may be a useful treatment for anxiety, but lack of data from rigorous, methodologically sound RCTs precludes any definitive conclusions about its effectiveness.
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Affiliation(s)
- Gregory L Stonerock
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Box 3119, Durham, NC, 27710, USA,
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15
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Ebenfeld L, Kleine Stegemann S, Lehr D, Ebert DD, Jazaieri H, van Ballegooijen W, Funk B, Riper H, Berking M. Efficacy of a hybrid online training for panic symptoms and agoraphobia: study protocol for a randomized controlled trial. Trials 2014; 15:427. [PMID: 25370504 PMCID: PMC4233107 DOI: 10.1186/1745-6215-15-427] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Accepted: 10/14/2014] [Indexed: 11/10/2022] Open
Abstract
Background Recently, internet-based interventions have been proposed as effective treatments for people with panic disorder (PD). However, little is known about the clinical effects of integrating mobile technology into these interventions. Because users carry their smartphones with them throughout the day, we hypothesize that this technology can be used to significantly support individuals with monitoring and overcoming their PD symptoms. The aim of the present study is to evaluate the efficacy and cost-effectiveness of a newly developed hybrid intervention that combines internet/PC with smartphone delivery to treat the symptoms of PD. The intervention is based on cognitive behavioral therapy and consists of six modules over a total of six weeks. Methods/Design A two-arm randomized controlled trial (RCT) will be conducted to evaluate the effects of a hybrid online training module for PD. Based on a power calculation (d =0.60; 1-β of 80%; α =0.05), 90 participants with mild to moderate panic symptoms with or without agoraphobia (as assessed by the Panic and Agoraphobia Scale) will be recruited from the general population and randomly assigned to either the intervention group or a six-month waitlist control group. The primary outcome measure will be the severity of panic symptoms. Secondary outcomes will include depression, quality of life, and an observer-based rating of panic severity. Furthermore, data regarding acceptance and the usability of the smartphone app will be assessed. Assessments will take place at baseline as well as eight weeks, three months, and six months after randomization. Moreover, a cost-effectiveness analysis will be performed from a societal perspective. Data will be analyzed on an intention-to-treat basis and per protocol. Discussion To our knowledge, this RCT is one of the first to examine the efficacy of a hybrid online training for adult PD. This study seeks to contribute to the emerging field of hybrid online training. If the intervention is efficacious, then research on this hybrid online training should be extended. The cost-effectiveness analysis will also indicate whether online training is an economical tool for treating PD among adults. Trial registration German Clinical Trial Register:
DRKS00005223 (registered on 15 August 2013).
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Affiliation(s)
- Lara Ebenfeld
- Division of Health Training Online, Leuphana University Lueneburg, Innovation Incubator, Rotenbleicher Weg 67, 21335 Lueneburg, Germany.
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16
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Quast C, Reif A, Brückl T, Pfister H, Weber H, Mattheisen M, Cichon S, Lang T, Hamm A, Fehm L, Ströhle A, Arolt V, Domschke K, Kircher T, Wittchen HU, Pauli P, Gerlach AL, Alpers GW, Deckert J, Rupprecht R, Binder EB, Erhardt A. Gender-specific association of variants in the AKR1C1 gene with dimensional anxiety in patients with panic disorder: additional evidence for the importance of neurosteroids in anxiety? Depress Anxiety 2014; 31:843-50. [PMID: 24390875 DOI: 10.1002/da.22229] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2013] [Revised: 10/14/2013] [Accepted: 11/29/2013] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Neurosteroids are synthesized both in brain and peripheral steroidogenic tissue from cholesterol or steroidal precursors. Neurosteroids have been shown to be implicated in neural proliferation, differentiation, and activity. Preclinical and clinical studies also suggest a modulatory role of neurosteroids in anxiety-related phenotypes. However, little is known about the contribution of genetic variants in genes relevant for the neurosteroidogenesis to anxiety disorders. METHODS We performed an association analysis of single nucleotide polymorphisms (SNPs) in five genes related to the neurosteroidal pathway with emphasis on progesterone and allopregnanolone biosynthesis (steroid-5-alpha-reductase 1A (SRD5A1), aldo-keto reductase family 1 C1-C3 (AKR1C1-AKR1C3) and translocator protein 18 kDA (TSPO) with panic disorder (PD) and dimensional anxiety in two German PD samples (cases N = 522, controls N = 1,115). RESULTS Case-control analysis for PD and SNPs in the five selected genes was negative in the combined sample. However, we detected a significant association of anticipatory anxiety with two intronic SNPs (rs3930965, rs41314625) located in the gene AKR1C1 surviving correction for multiple testing in PD patients. Stratification analysis for gender revealed a female-specific effect of the associations of both SNPs. CONCLUSIONS These results suggest a modulatory effect of AKR1C1 activity on anxiety levels, most likely through changes in progesterone and allopregnanolone levels within and outside the brain. In summary, this is the first evidence for the gender-specific implication of the AKR1C1 gene in the expression of anticipatory anxiety in PD. Further analyses to unravel the functional role of the SNPs detected here and replication analyses are needed to validate our results.
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Affiliation(s)
- Carina Quast
- Max Planck Institute of Psychiatry, Munich, Germany
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17
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Hendriks GJ, Kampman M, Keijsers GPJ, Hoogduin CAL, Voshaar RCO. Cognitive-behavioral therapy for panic disorder with agoraphobia in older people: a comparison with younger patients. Depress Anxiety 2014; 31:669-77. [PMID: 24867666 DOI: 10.1002/da.22274] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2013] [Revised: 03/19/2014] [Accepted: 03/24/2014] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND Older adults with panic disorder and agoraphobia (PDA) are underdiagnosed and undertreated, while studies of cognitive-behavioral therapy (CBT) are lacking. This study compares the effectiveness of CBT for PDA in younger and older adults. METHODS A total of 172 patients with PDA (DSM-IV) received manualized CBT. Primary outcome measures were avoidance behavior (Mobility Inventory Avoidance scale) and agoraphobic cognitions (Agoraphobic Cognitions Questionnaire), with values of the younger (18-60 years) and older (≥ 60 years) patients being compared using mixed linear models adjusted for baseline inequalities, and predictive effects of chronological age, age at PDA onset and duration of illness (DOI) being examined using multiple linear regressions. RESULTS Attrition rates were 2/31 (6%) for the over-60s and 31/141 (22%) for the under-60s group (χ(2) = 3.43, df = 1, P = .06). Patients in both age groups improved on all outcome measures with moderate-to-large effect sizes. Avoidance behavior had improved significantly more in the 60+ group (F = 4.52, df = 1,134, P = .035), with agoraphobic cognitions showing no age-related differences. Baseline severity of agoraphobic avoidance and agoraphobic cognitions were the most salient predictors of outcome (range standardized betas 0.59 through 0.76, all P-values < .001). Apart from a superior reduction of agoraphobic avoidance in the 60+ participants (β = -0.30, P = .037), chronological age was not related to outcome, while in the older patients higher chronological age, late-onset type and short DOI were linked to superior improvement of agoraphobic avoidance. CONCLUSIONS CBT appears feasible for 60+ PDA-patients, yielding outcomes that are similar and sometimes even superior to those obtained in younger patients.
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Affiliation(s)
- Gert-Jan Hendriks
- Institute of Integrated Mental Health Care "Pro Persona," Centre for Anxiety Disorders "Overwaal,", Lent, The Netherlands; Behavioral Science Institute, Radboud University Nijmegen, Nijmegen, The Netherlands; Department of Psychiatry, Radboud University Medical Centre, Radboud University Nijmegen, Nijmegen, The Netherlands
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Malin P, Wengel SP, Burke WJ. Escitalopram: better treatment for depression is through the looking glass. Expert Rev Neurother 2014; 4:769-79. [PMID: 15853504 DOI: 10.1586/14737175.4.5.769] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Depression remains a common and often devastating illness. With the introduction of the selective serotonin reuptake inhibitors in the 1980s, patients were afforded treatment for depression that was both safer and better tolerated than any prior treatment modality offered. Although selective serotonin reuptake inhibitors quickly became the most widely used medications for the treatment of depression, no single agent has been recognized as an obvious first-line choice. Chirality potentially offers one method to improve upon the selective serotonin reuptake inhibitor class. For racemic compounds that differ in stereospecificity, separation into single enantiomers can result in significant changes in potency, tolerability and efficacy. One of the most widely prescribed selective serotonin reuptake inhibitors is citalopram, which exists as a racemic mixture of R- and S-enantiomers. The S-enantiomer escitalopram (Cipralex, Lundbeck) is the therapeutically active portion of the parent compound and has a proven antidepressant efficacy. The R-enantiomer lacks activity as an antidepressant and has been shown to inhibit the effect of the S-enantiomer when the two are combined. Escitalopram is the most selective member of its class and with minimal effects on the cytochrome P450 system, has a negligible potential for drug-drug interactions. In placebo-controlled trials, escitalopram has consistently demonstrated symptomatic improvement as early as the first to second week of treatment. In addition to antidepressant efficacy, escitalopram also appears to exhibit significant anxiolytic properties. It has also shown efficacy in treating panic disorder and generalized and social anxiety disorders. This is advantageous as many patients who suffer from depression also experience comorbid anxiety disorders.
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Affiliation(s)
- Paulajo Malin
- Department of Psychiatry, University of Nebraska Medical Center, Omaha, NE 68198 5580, USA.
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Alexithymia and non-treatment: an Internet based study of 312 people with chronic anxiety. Compr Psychiatry 2014; 55:179-87. [PMID: 23916091 DOI: 10.1016/j.comppsych.2013.06.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2012] [Revised: 05/31/2013] [Accepted: 06/10/2013] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Despite the availability of highly efficacious treatments, many individuals with anxiety disorders never receive adequate treatment. Alexithymic deficits, such as difficulties in recognizing feelings and focusing on emotional experiences, may contribute to low rates of help seeking. METHODS Multiple Internet-based strategies (announcements of anxiety disorder websites, postings in online self-help forums, notices in anxiety chat rooms) were used to recruit a sample of 312 participants with chronic and clinically relevant anxiety symptoms. Those who had never received professional treatment (n = 49) were compared to those with current or previous treatment (n=263) with regard to alexithymia, anxiety, depression and health-related quality of life. RESULTS Logistic regression analysis revealed that the strongest predictor for belonging to the never treated group was the externally oriented thinking facet of alexithymia. In addition, substantially more participants in the never treated group (49%) were considered high-alexithymic (20-item Toronto Alexithymia Scale total score ≥ 61) compared to the treated group (35%). CONCLUSIONS The main finding was a strong relationship between the externally oriented thinking facet of alexithymia and the non-use of professional help for anxiety. Internet-based programs could be a promising first step in supporting this group of people to overcome their anxiety.
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Perna G, Daccò S, Menotti R, Caldirola D. Antianxiety medications for the treatment of complex agoraphobia: pharmacological interventions for a behavioral condition. Neuropsychiatr Dis Treat 2011; 7:621-37. [PMID: 22090798 PMCID: PMC3215519 DOI: 10.2147/ndt.s12979] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Although there are controversial issues (the "American view" and the "European view") regarding the construct and definition of agoraphobia (AG), this syndrome is well recognized and it is a burden in the lives of millions of people worldwide. To better clarify the role of drug therapy in AG, the authors summarized and discussed recent evidence on pharmacological treatments, based on clinical trials available from 2000, with the aim of highlighting pharmacotherapies that may improve this complex syndrome. METHODS A systematic review of the literature regarding the pharmacological treatment of AG was carried out using MEDLINE, EBSCO, and Cochrane databases, with keywords individuated by MeSH research. Only randomized, placebo-controlled studies or comparative clinical trials were included. RESULTS After selection, 25 studies were included. All the selected studies included patients with AG associated with panic disorder. Effective compounds included selective serotonin reuptake inhibitors, serotonin-norepinephrine reuptake inhibitors, tricyclic antidepressants, selective noradrenergic reuptake inhibitors, and benzodiazepines. Paroxetine, sertraline, citalopram, escitalopram, and clomipramine showed the most consistent results, while fluvoxamine, fluoxetine, and imipramine showed limited efficacy. Preliminary results suggested the potential efficacy of inositol; D-cycloserine showed mixed results for its ability to improve the outcome of exposure-based cognitive behavioral therapy. More studies with the latter compounds are needed before drawing definitive conclusions. CONCLUSION No studies have been specifically oriented toward evaluating the effect of drugs on AG; in the available studies, the improvement of AG might have been the consequence of the reduction of panic attacks. Before developing a "true" psychopharmacology of AG it is crucial to clarify its definition. There may be several potential mechanisms involved, including fear-learning processes, balance system dysfunction, high light sensitivity, and impaired visuospatial abilities, but further studies are warranted.
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Affiliation(s)
- Giampaolo Perna
- Department of Psychiatry and Neuropsychology, Faculty of Health, Medicine and Life Sciences, University of Maastricht, Maastricht, the Netherlands
- Department of Clinical Neuroscience, San Benedetto Hospital, Hermanas Hospitalarias, Albese con Cassano, Como, Italy
- Department of Psychiatry and Behavioral Sciences, Leonard M Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Silvia Daccò
- Department of Clinical Neuroscience, San Benedetto Hospital, Hermanas Hospitalarias, Albese con Cassano, Como, Italy
| | - Roberta Menotti
- Department of Clinical Neuroscience, San Benedetto Hospital, Hermanas Hospitalarias, Albese con Cassano, Como, Italy
| | - Daniela Caldirola
- Department of Clinical Neuroscience, San Benedetto Hospital, Hermanas Hospitalarias, Albese con Cassano, Como, Italy
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A randomized controlled study of paroxetine and cognitive-behavioural therapy for late-life panic disorder. Acta Psychiatr Scand 2010; 122:11-9. [PMID: 19958308 DOI: 10.1111/j.1600-0447.2009.01517.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVE To examine the effectiveness of paroxetine and cognitive-behavioural therapy (CBT) in elderly patients suffering from panic disorder with or without agoraphobia (PD(A)). METHOD Forty-nine patients aged 60+ years with confirmed PD(A) were randomly assigned to 40 mg paroxetine, individual CBT, or to a 14-week waiting list. Outcomes, with avoidance behaviour and agoraphobic cognitions being the primary measures, were assessed at baseline and at weeks 8, 14 (conclusion CBT/waiting list), and at week 26 (treated patients only) and analysed using mixed models. RESULTS All outcome measures showed that the patients having received CBT and those treated with paroxetine had significantly better improvement compared with those in the waiting-list condition. With one patient (1/20, 5%) in the CBT and three (3/14, 17.6%) in the paroxetine condition dropping out, attrition rates were low. CONCLUSION Patients with late-life panic disorder respond well to both paroxetine and CBT. Although promising, the outcomes warrant replication in larger study groups.
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22
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Rufer M, Albrecht R, Schmidt O, Zaum J, Schnyder U, Hand I, Mueller-Pfeiffer C. Changes in quality of life following cognitive-behavioral group therapy for panic disorder. Eur Psychiatry 2009; 25:8-14. [PMID: 19545979 DOI: 10.1016/j.eurpsy.2009.05.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2009] [Revised: 04/29/2009] [Accepted: 05/01/2009] [Indexed: 10/20/2022] Open
Abstract
BACKGROUND Data about quality of life (QoL) are important to estimate the impact of diseases on functioning and well-being. The present study was designed to assess the association of different aspects of panic disorder (PD) with QoL and to examine the relationship between QoL and symptomatic outcome following brief cognitive-behavioral group therapy (CBGT). METHOD The sample consisted of 55 consecutively recruited outpatients suffering from PD who underwent CBGT. QoL was assessed by the Medical Outcomes Study 36-item Short-Form Health Survey (SF-36) at baseline, post-treatment and six months follow-up. SF-36 baseline scores were compared with normative data obtained from a large German population sample. RESULTS Agoraphobia, disability, and worries about health were significantly associated with decreased QoL, whereas frequency, severity and duration of panic attacks were not. Treatment responders showed significantly better QoL than non-responders. PD symptom reduction following CBGT was associated with considerable improvement in emotional and physical aspects of QoL. However, the vitality subscale of the SF-36 remained largely unchanged over time. CONCLUSIONS Our results are encouraging for cognitive-behavior therapists who treat patients suffering from PD in groups, since decrease of PD symptoms appears to be associated with considerable improvements in QoL. Nevertheless, additional interventions designed to target specific aspects of QoL, in particular vitality, may be useful to enhance patients' well-being.
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Affiliation(s)
- M Rufer
- Department of Psychiatry, University Hospital of Zürich, Culmannstrasse 8, 8091 Zürich, Switzerland.
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Bandelow B, Zohar J, Hollander E, Kasper S, Möller HJ, Zohar J, Hollander E, Kasper S, Möller HJ, Bandelow B, Allgulander C, Ayuso-Gutierrez J, Baldwin DS, Buenvicius R, Cassano G, Fineberg N, Gabriels L, Hindmarch I, Kaiya H, Klein DF, Lader M, Lecrubier Y, Lépine JP, Liebowitz MR, Lopez-Ibor JJ, Marazziti D, Miguel EC, Oh KS, Preter M, Rupprecht R, Sato M, Starcevic V, Stein DJ, van Ameringen M, Vega J. World Federation of Societies of Biological Psychiatry (WFSBP) guidelines for the pharmacological treatment of anxiety, obsessive-compulsive and post-traumatic stress disorders - first revision. World J Biol Psychiatry 2009; 9:248-312. [PMID: 18949648 DOI: 10.1080/15622970802465807] [Citation(s) in RCA: 424] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
In this report, which is an update of a guideline published in 2002 (Bandelow et al. 2002, World J Biol Psychiatry 3:171), recommendations for the pharmacological treatment of anxiety disorder, obsessive-compulsive disorder (OCD) and post-traumatic stress disorder (PTSD) are presented. Since the publication of the first version of this guideline, a substantial number of new randomized controlled studies of anxiolytics have been published. In particular, more relapse prevention studies are now available that show sustained efficacy of anxiolytic drugs. The recommendations, developed by the World Federation of Societies of Biological Psychiatry (WFSBP) Task Force for the Pharmacological Treatment of Anxiety, Obsessive-Compulsive and Post-traumatic Stress Disorders, a consensus panel of 30 international experts, are now based on 510 published randomized, placebo- or comparator-controlled clinical studies (RCTs) and 130 open studies and case reports. First-line treatments for these disorders are selective serotonin reuptake inhibitors (SSRIs), serotonin-noradrenaline reuptake inhibitors (SNRIs) and the calcium channel modulator pregabalin. Tricyclic antidepressants (TCAs) are equally effective for some disorders, but many are less well tolerated than the SSRIs/SNRIs. In treatment-resistant cases, benzodiazepines may be used when the patient does not have a history of substance abuse disorders. Potential treatment options for patients unresponsive to standard treatments are described in this overview. Although these guidelines focus on medications, non-pharmacological were also considered. Cognitive behavioural therapy (CBT) and other variants of behaviour therapy have been sufficiently investigated in controlled studies in patients with anxiety disorders, OCD, and PTSD to support them being recommended either alone or in combination with the above medicines.
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Affiliation(s)
- Borwin Bandelow
- Department of Psychiatry and Psychotherapy, University of Gottingen, Gottingen, Germany.
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Abstract
Selective serotonin reuptake inhibitors (SSRIs) are first-line pharmacotherapy treatments for obsessive-compulsive disorder (OCD). Clomipramine is effective in OCD but associated with more adverse events. Typically, higher doses of antidepressants are required for OCD. Up to 50% of patients do not respond to initial treatment of OCD. Treatment options for nonresponders include augmentation of antidepressants with atypical antipsychotics, among other strategies. First-line treatments for anxiety disorders include SSRIs, serotonin norepinephrine reuptake inhibitors, and pregabalin. Tricyclic antidepressants are equally effective as SSRIs, but are less well tolerated. In treatment-resistant cases, benzodiazepines may be used when the patient does not have a history of dependency and tolerance. Other treatment options include irreversible and reversible monoamine oxidase inhibitors, the atypical antipsychotic quetiapine, and other medications. Cognitive-behavioral therapy has been sufficiently investigated in controlled studies of OCD and anxiety disorders and is recommended alone or in combination with the above medications.
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Araújo SRCD, de Mello MT, Leite JR. Transtornos de ansiedade e exercício físico. REVISTA BRASILEIRA DE PSIQUIATRIA 2006; 29:164-71. [PMID: 17639256 DOI: 10.1590/s1516-44462006005000027] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2006] [Accepted: 10/20/2006] [Indexed: 11/22/2022]
Abstract
OBJETIVO: A maioria dos estudos sobre os efeitos ansiolíticos do exercício físico, até meados da década de 90, foram realizados avaliando-se estados de ansiedade, com indivíduos jovens, universitários ou atletas, que podem ser considerados pré-condicionados, limitando a validade das conclusões para populações com ansiedade patológica. Na atualidade, o número de estudos envolvendo pacientes com transtorno de ansiedade aumentou. O presente estudo tem por objetivo a revisão de artigos que discutem a influência do exercício físico nos transtornos de ansiedade. MÉTODO: Foi realizada uma pesquisa no Medline, no período de 1966-1995 e 1996-2006, utilizando-se os descritores: anxiety, panic, phobic disorders, exercise, physical fitness, além de referências cruzadas dos artigos selecionados e análise adicional de referências na literatura específica do tema. RESULTADOS: Os achados demonstraram desenhos heterogêneos assim como limitações metodológicas. As publicações mais recentes são promissoras e acenam para a utilização de exercícios físicos aeróbios como auxiliares das terapêuticas tradicionais no tratamento dos transtornos de ansiedade. CONCLUSÃO: Verificou-se que os exercícios aeróbios cuja intensidade não ultrapasse o limiar de lactato podem ser os mais apropriados, mas ainda não esclarecem as implicações dos exercícios anaeróbios, sugerindo cautela na prescrição de exercícios para indivíduos com ansiedade patológica, principalmente em relação aos exercícios anaeróbios.
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Erhardt A, Ising M, Unschuld PG, Kern N, Lucae S, Pütz B, Uhr M, Binder EB, Holsboer F, Keck ME. Regulation of the hypothalamic-pituitary-adrenocortical system in patients with panic disorder. Neuropsychopharmacology 2006; 31:2515-22. [PMID: 16841071 DOI: 10.1038/sj.npp.1301168] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Anxiety and depressive disorders are among the most common psychiatric disorders with a high number of hospital admissions and a lifetime prevalence of up to 25%. So far, the pathophysiological mechanisms for anxiety disorders remain to be found. Preclinical studies suggest that changes in hypothalamic-pituitary-adrenocortical (HPA) system function are causally related to the expression of anxiety-related behavior. The findings on HPA system function in patients with anxiety disorders are, however, heterogeneous. Both hypo- and hyperresponsiveness of HPA response in various anxiety disorders under different experimental conditions were found. In order to characterize putative case/control differences in HPA system function, we performed a Dex-CRH test, a widely used test to pick up changes in HPA system regulation with high sensitivity, in 30 patients with panic disorder, 35 patients with major depressive episode and in 30 controls individually matched for ethnicity, age and gender. The results indicate a similar dysregulation of the HPA system response in the Dex-CRH test in both patient groups. This finding further underlines the hypothesis that both, depression and panic disorder, share impaired HPA system regulation, supporting the notion that the impairment is involved in the pathophysiology of these clinical conditions. However, differences in the suppression effects and psychopathological correlation patterns between depressed and panic patients suggest different biological mechanisms of HPA system dysregulation in both disorders.
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Abstract
A substantial number of patients with panic disorder and agoraphobia may remain symptomatic after standard treatment (including selective serotonin reuptake inhibitors, tricyclic antidepressants, benzodiazepines, or irreversible monamine oxidase inhibitors). In this review, recommendations for the treatment of patients with panic disorder and agoraphobia who do not respond to these drugs are provided. Nonresponse to drug treatment could be defined as a failure to achieve a 50% reduction on a standard rating scale after a minimum of 6 weeks of treatment in adequate dose. When initial treatments have failed, the medication should be changed to other standard treatments. In further attempts at treatment, drugs should be used that have shown promising results in preliminary studies, such as venlafaxine. Combination treatments may be used, such as the combination of an selective serotonin reuptake inhibitor and a benzodiazepine. Psychological treatments such as cognitive-behavioral therapy have to be considered in all patients, regardless whether they are nonresponders or not. According to existing studies, a combination of pharmacologic treatment with cognitive-behavioral therapy can be recommended.
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Affiliation(s)
- Borwin Bandelow
- Department of Psychiatry and Psychotherapy, University of Göttingen, Germany.
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28
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Pollack MH, Allgulander C, Bandelow B, Cassano GB, Greist JH, Hollander E, Nutt DJ, Okasha A, Swinson RP. WCA recommendations for the long-term treatment of panic disorder. CNS Spectr 2003; 8:17-30. [PMID: 14767395 DOI: 10.1017/s109285290000691x] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
What are the symptoms of panic disorder and how is the disorder most effectively treated? One of the most commonly encountered anxiety disorders in the primary care setting, panic disorder is a chronic and debilitating illness. The core symptoms are recurrent panic attacks coupled with anticipatory anxiety and phobic avoidance, which together impair the patient's professional, social, and familial functioning. Patients with panic disorder have medically unexplained symptoms that lead to overutilization of healthcare services. Panic disorder is often comorbid with agoraphobia and major depression, and patients may be at increased risk of cardiovascular disease and, possibly, suicide. Research into the optimal treatment of this disorder has been undertaken in the past 2 decades, and numerous randomized, controlled trials have been published. Selective serotonin reuptake inhibitors have emerged as the most favorable treatment, as they have a beneficial side-effect profile, are relatively safe (even if taken in overdose), and do not produce physical dependency. High-potency benzodiazepines, reversible monoamine oxidase inhibitors, and tricyclic antidepressants have also shown antipanic efficacy. In addition, cognitive-behavioral therapy has demonstrated efficacy in the acute and long-term treatment of panic disorder. An integrated treatment approach that combines pharmacotherapy with cognitive-behavioral therapy may provide the best treatment. Long-term efficacy and ease of use are important considerations in treatment selection, as maintenance treatment is recommended for at least 12-24 months, and in some cases, indefinitely.
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Affiliation(s)
- Mark H Pollack
- Division of Psychiatry, Huddinge University Hospital, Stockholm, Sweden.
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Bandelow B, Zohar J, Hollander E, Kasper S, Möller HJ. World Federation of Societies of Biological Psychiatry (WFSBP) guidelines for the pharmacological treatment of anxiety, obsessive-compulsive and posttraumatic stress disorders. World J Biol Psychiatry 2002; 3:171-99. [PMID: 12516310 DOI: 10.3109/15622970209150621] [Citation(s) in RCA: 117] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
In this report, recommendations for the pharmacological treatment of anxiety and obsessive-compulsive disorders are presented, based on available randomized, placebo- or comparator-controlled clinical studies. Selective serotonin reuptake inhibitors (SSRIs) are the first-line treatment for panic disorder. Tri2-cyclic antidepressants (TCAs) are equally effective, but they are less well tolerated than the SSRIs. In treatment-resistant cases, benzodiazepines like alprazolam may be used when the patient does not have a history of dependency and tolerance. Due to possible serious side effects and interactions with other drugs and food components, the irreversible monamine oxidase inhibitor (MAOI) phenelzine should be used only when first-line drugs have failed. In generalised anxiety disorder, venlafaxine and SSRIs can be recommended, while buspirone and imipramine may be alternatives. For social phobia, SSRIs are recommended for the first line, and MAOIs, moclobemide and benzodiazepines as second line. Obsessive-compulsive disorder is best treated with SSRIs or clomipramine.
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Affiliation(s)
- Borwin Bandelow
- Department of Psychiatry and Psychotherapy, University of Göttingen, Germany.
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Díez-Quevedo C, Rangil T, Sánchez Planell L. [Agoraphobia]. Med Clin (Barc) 2002; 119:60-5. [PMID: 12084372 DOI: 10.1016/s0025-7753(02)73314-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Crisanto Díez-Quevedo
- Unidad de Psiquiatría, Hospital Universitari Germans Trias i Pujol, Badalona, Barcelona, Spain
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Marcourakis T, Gorenstein C, Brandão de Almeida Prado E, Ramos RT, Glezer I, Bernardes CS, Kawamoto EM, Scavone C. Panic disorder patients have reduced cyclic AMP in platelets. J Psychiatr Res 2002; 36:105-10. [PMID: 11777499 DOI: 10.1016/s0022-3956(01)00053-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Little is known about the intracellular mechanisms involved in the pathophysiology of panic disorder (PD). Abnormalities in the cyclic AMP system have been described in several psychiatric disorders but there are no studies in panic patients. We evaluated not only the levels of platelet cyclic AMP, but also cyclic GMP and nitric oxide synthase (NOS) activity in patients with PD at baseline and after treatment with clomipramine and in healthy volunteers. Platelet cyclic AMP was determined by enzymeimmunoassay, cyclic GMP by radioimmunoassay and NOS activity by the conversion of (3)H-arginine to (3)H-citruline in 17 PD patients before treatment with clomipramine, after remission of panic attacks and in 22 healthy volunteers. Average baseline cyclic AMP of PD patients was lower than after remission of panic attacks (P<0.005) and lower than in healthy volunteers (P<0.005). Average cyclic AMP after remission of panic attacks was not significantly different than in healthy volunteers. There were no significant differences in cyclic GMP and NOS analysis. Our results suggest that PD patients without treatment have lower platelets cyclic AMP levels than healthy volunteers and that this decrease may be corrected by clomipramine.
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Affiliation(s)
- Tania Marcourakis
- Departamento de Farmacologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, Brazil.
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