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  1. Article: How do serotonergic psychedelics treat depression: The potential role of neuroplasticity.

    Artin, Hewa / Zisook, Sidney / Ramanathan, Dhakshin

    World journal of psychiatry

    2021  Volume 11, Issue 6, Page(s) 201–214

    Abstract: Depression is a common mental disorder and one of the leading causes of disability around the world. Monoaminergic antidepressants often take weeks to months to work and are not effective for all patients. This has led to a search for a better ... ...

    Abstract Depression is a common mental disorder and one of the leading causes of disability around the world. Monoaminergic antidepressants often take weeks to months to work and are not effective for all patients. This has led to a search for a better understanding of the pathogenesis of depression as well as to the development of novel antidepressants. One such novel antidepressant is ketamine, which has demonstrated both clinically promising results and contributed to new explanatory models of depression, including the potential role of neuroplasticity in depression. Early clinical trials are now showing promising results of serotonergic psychedelics for depression; however, their mechanism of action remains poorly understood. This paper seeks to review the effect of depression, classic antidepressants, ketamine, and serotonergic psychedelics on markers of neuroplasticity at a cellular, molecular, electrophysiological, functional, structural, and psychological level to explore the potential role that neuroplasticity plays in the treatment response of serotonergic psychedelics.
    Language English
    Publishing date 2021-06-19
    Publishing country United States
    Document type Journal Article ; Review
    ISSN 2220-3206
    ISSN 2220-3206
    DOI 10.5498/wjp.v11.i6.201
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: The Correlation of Pain, Psychological Aspects, and Sleep in Fibromyalgia: A Cross-Sectional Analysis.

    Meresh, Edwin S / Xu, Sarah / Palomino, Angelina / Artin, Hewa / Padiyara, Julia / Stasieluk, Conrad / Khurshid, Abid

    Open access rheumatology : research and reviews

    2023  Volume 15, Page(s) 237–246

    Abstract: Background: This pilot study measures pain perception, somatosensory amplification and its relationship to health anxiety in patients with fibromyalgia (FM) and patients with FM and obstructive sleep apnea (OSA); this study also examines the effects of ... ...

    Abstract Background: This pilot study measures pain perception, somatosensory amplification and its relationship to health anxiety in patients with fibromyalgia (FM) and patients with FM and obstructive sleep apnea (OSA); this study also examines the effects of OSA on pain perception in patients with FM.
    Methods: In this pilot study, patients diagnosed with FM or FM and OSA, completed three self-reported questionnaires: Short-Form McGill Pain Questionnaire (SF-MPQ), Somatosensory Amplification Scale (SSAS), and Illness Behavior Questionnaire (IBQ). Sleep study results were analyzed. Scores were summarized using medians and interquartile ranges and are compared using Wilcoxon rank sum tests.
    Results: Overall FM (n = 25), female n=23 male n=3 mean age, 57.48 years. OSA n=17 (68%) and 8 (32%) were not. The SF-MPQ Sensory sub-scale scores and the SF-MPQ overall scores differed significantly between patients with and without OSA. The SF-MPQ Sensory sub-scale scores were significantly lower for patients with OSA (p=0.03), as were SF-MPQ overall scores (p=0.04). SSAS overall scores and IBQ overall scores did not differ significantly by OSA diagnosis. Correlations of the different dimensions of IBQ with SSAS and mean number of diagnoses in FM and FM+OSA, mean number of diagnoses in problem list of SSAS ≤30 was 29.5, mean number of diagnoses in SSAS ≥30 was 34.9.
    Discussion: Developing a better understanding of the effects of OSA on pain perception in patients with FM is needed for improved health status. More research is needed to see if higher pain perception and SSAS score lead to increased health care utilization and to evaluate the relationship between untreated disordered sleeping and pain perception in patients with FM.
    Conclusion: Our findings highlight the need for more research to evaluate the relationship between treated and untreated disordered sleeping, pain perception, somatization and illness behavior in the health status of individuals with FM.
    Language English
    Publishing date 2023-12-19
    Publishing country New Zealand
    Document type Journal Article
    ZDB-ID 2508169-X
    ISSN 1179-156X
    ISSN 1179-156X
    DOI 10.2147/OARRR.S438931
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: The effect of older age on outcomes of rTMS treatment for treatment-resistant depression.

    Leuchter, Michael K / Citrenbaum, Cole / Wilson, Andrew C / Tibbe, Tristan D / Jackson, Nicholas J / Krantz, David E / Wilke, Scott A / Corlier, Juliana / Strouse, Thomas B / Hoftman, Gil D / Tadayonnejad, Reza / Koek, Ralph J / Slan, Aaron R / Ginder, Nathaniel D / Distler, Margaret G / Artin, Hewa / Lee, John H / Adelekun, Adesewa E / Einstein, Evan H /
    Oughli, Hanadi A / Leuchter, Andrew F

    International psychogeriatrics

    2024  , Page(s) 1–6

    Abstract: Clinical outcomes of repetitive transcranial magnetic stimulation (rTMS) for treatment of treatment-resistant depression (TRD) vary widely and there is no mood rating scale that is standard for assessing rTMS outcome. It remains unclear whether TMS is as ...

    Abstract Clinical outcomes of repetitive transcranial magnetic stimulation (rTMS) for treatment of treatment-resistant depression (TRD) vary widely and there is no mood rating scale that is standard for assessing rTMS outcome. It remains unclear whether TMS is as efficacious in older adults with late-life depression (LLD) compared to younger adults with major depressive disorder (MDD). This study examined the effect of age on outcomes of rTMS treatment of adults with TRD. Self-report and observer mood ratings were measured weekly in 687 subjects ages 16-100 years undergoing rTMS treatment using the Inventory of Depressive Symptomatology 30-item Self-Report (IDS-SR), Patient Health Questionnaire 9-item (PHQ), Profile of Mood States 30-item, and Hamilton Depression Rating Scale 17-item (HDRS). All rating scales detected significant improvement with treatment; response and remission rates varied by scale but not by age (response/remission ≥ 60: 38%-57%/25%-33%; <60: 32%-49%/18%-25%). Proportional hazards models showed early improvement predicted later improvement across ages, though early improvements in PHQ and HDRS were more predictive of remission in those < 60 years (relative to those ≥ 60) and greater baseline IDS burden was more predictive of non-remission in those ≥ 60 years (relative to those < 60). These results indicate there is no significant effect of age on treatment outcomes in rTMS for TRD, though rating instruments may differ in assessment of symptom burden between younger and older adults during treatment.
    Language English
    Publishing date 2024-03-25
    Publishing country England
    Document type Journal Article
    ZDB-ID 1038825-4
    ISSN 1741-203X ; 1041-6102
    ISSN (online) 1741-203X
    ISSN 1041-6102
    DOI 10.1017/S1041610224000462
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Right lateral orbitofrontal cortex inhibitory transcranial magnetic stimulation for treatment of refractory mood and depression.

    Tadayonnejad, Reza / Citrenbaum, Cole / Ngo, Thuc Doan P / Corlier, Juliana / Wilke, Scott A / Slan, Aaron / Distler, Margaret G / Hoftman, Gil / Adelekun, Adesewa E / Leuchter, Michael K / Koek, Ralph J / Ginder, Nathaniel D / Krantz, David / Artin, Hewa / Strouse, Thomas / Bari, Ausaf A / Leuchter, Andrew F

    Brain stimulation

    2023  Volume 16, Issue 5, Page(s) 1374–1376

    MeSH term(s) Transcranial Magnetic Stimulation ; Depression/therapy ; Frontal Lobe/physiology ; Affect ; Prefrontal Cortex
    Language English
    Publishing date 2023-09-15
    Publishing country United States
    Document type Letter ; Research Support, Non-U.S. Gov't ; Research Support, N.I.H., Extramural
    ZDB-ID 2394410-9
    ISSN 1876-4754 ; 1935-861X
    ISSN (online) 1876-4754
    ISSN 1935-861X
    DOI 10.1016/j.brs.2023.09.011
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Effects of intranasal (

    Artin, Hewa / Bentley, Sean / Mehaffey, Eamonn / Liu, Fred X / Sojourner, Kevin / Bismark, Andrew W / Printz, David / Lee, Ellen E / Martis, Brian / De Peralta, Sharon / Baker, Dewleen G / Mishra, Jyoti / Ramanathan, Dhakshin

    EClinicalMedicine

    2022  Volume 48, Page(s) 101439

    Abstract: Background: (: Methods: We performed a retrospective case series analysis of clinical outcomes in 35 Veterans with co-morbid depression and PTSD who were treated with intranasal (: Findings: During the induction phase of treatment there was an ... ...

    Abstract Background: (
    Methods: We performed a retrospective case series analysis of clinical outcomes in 35 Veterans with co-morbid depression and PTSD who were treated with intranasal (
    Findings: During the induction phase of treatment there was an absolute reduction of 5.1 (SEM 0.7) on the patient health questionnaire-9 (PHQ-9) rating scale for depression, from 19.8 (SEM 0.7) at treatment 1 to 14.7 (SEM 0.8) at treatment 8 (week 4) (F(7238) = 8.3,
    Interpretations: While this is an open-label retrospective analysis, our results indicate that both depression and PTSD symptoms in Veterans with dual-diagnoses may improve with repeated intranasal (
    Funding: VA Center of Excellence in Stress and Mental Health, VA ORD (Career Development Award to DSR), Burroughs-Wellcome Fund Award (DSR), NIMH (EL).
    Language English
    Publishing date 2022-05-06
    Publishing country England
    Document type Journal Article
    ISSN 2589-5370
    ISSN (online) 2589-5370
    DOI 10.1016/j.eclinm.2022.101439
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Response to intravenous racemic ketamine after switch from intranasal (S)-ketamine on symptoms of treatment-resistant depression and post-traumatic stress disorder in Veterans: A retrospective case series.

    Bentley, Sean / Artin, Hewa / Mehaffey, Eamonn / Liu, Fred / Sojourner, Kevin / Bismark, Andrew / Printz, David / Lee, Ellen E / Martis, Brian / De Peralta, Sharon / Baker, Dewleen G / Mishra, Jyoti / Ramanathan, Dhakshin

    Pharmacotherapy

    2022  Volume 42, Issue 3, Page(s) 272–279

    Abstract: Background: Racemic (R,S)-ketamine is a glutamatergic drug with potent and rapid acting antidepressant effects. An intranasal formulation of (S)-ketamine was recently approved by the US Food and Drug Administration (FDA) to be used in individuals with ... ...

    Abstract Background: Racemic (R,S)-ketamine is a glutamatergic drug with potent and rapid acting antidepressant effects. An intranasal formulation of (S)-ketamine was recently approved by the US Food and Drug Administration (FDA) to be used in individuals with treatment-resistant depression (TRD). There are no data directly comparing outcomes on depression or other comorbidities between these two formulations of ketamine. However, recent meta-analyses have suggested that IV racemic ketamine may be more potent than IN-(S)-ketamine.
    Methods: We retrospectively analyzed clinical outcomes in 15 Veterans with comorbid TRD and post-traumatic stress disorder (PTSD) who underwent ketamine treatment at the VA San Diego Neuromodulation Clinic. All Veterans included in this analysis were given at least 6 intranasal (IN)-(S)-ketamine treatments prior to switching to treatment with IV racemic ketamine.
    Results: Veterans receiving ketamine treatment ( across both IN-(S)-ketamine and IV-(R,S)-ketamine) showed significant reductions in both the Patient Health Questionnaire-9 (PHQ-9), a self-report scale measuring depression symptoms (rm ANOVA F(14,42) = 12.6, p < 0.0001), and in the PTSD checklist for DSM-5 (PCL-5), a self-report scale measuring PSTD symptoms (rm ANOVA F(13,39) = 5.9, p = 0.006). Post hoc testing revealed that PHQ-9 scores were reduced by an average of 2.4 ± 1.2 compared to baseline after (S)-ketamine treatments (p = 0.1) and by an average of 5.6 ± 1 after IV-ketamine treatments (p = 0.0003) compared to pretreatment baseline scores. PCL-5 scores were reduced by an average of 4.3 ± 3.3 after IN (S)-ketamine treatments (p = 0.6) and 11.8 ± 3.5 after IV-ketamine treatments (p = 0.03) compared to pretreatment baseline scores.
    Conclusions: This work suggests that off-label IV-(R,S)-ketamine could be considered a reasonable next step in patients who do not respond adequately to the FDA-approved IN-(S)-ketamine. Further double-blinded, randomized controlled trials are warranted to assess whether IV racemic ketamine is more effective than IN-(S)-ketamine.
    MeSH term(s) Depression/drug therapy ; Humans ; Ketamine/therapeutic use ; Retrospective Studies ; Stress Disorders, Post-Traumatic/drug therapy ; Veterans
    Chemical Substances Ketamine (690G0D6V8H)
    Language English
    Publishing date 2022-02-24
    Publishing country United States
    Document type Case Reports ; Research Support, N.I.H., Extramural ; Research Support, U.S. Gov't, Non-P.H.S.
    ZDB-ID 603158-4
    ISSN 1875-9114 ; 0277-0008
    ISSN (online) 1875-9114
    ISSN 0277-0008
    DOI 10.1002/phar.2664
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: A comparison of self- and observer-rated scales for detecting clinical improvement during repetitive transcranial stimulation (rTMS) treatment of depression.

    Leuchter, Michael K / Citrenbaum, Cole / Wilson, Andrew C / Tibbe, Tristan D / Jackson, Nicholas J / Krantz, David E / Wilke, Scott A / Corlier, Juliana / Strouse, Thomas B / Hoftman, Gil D / Tadayonnejad, Reza / Koek, Ralph J / Slan, Aaron R / Ginder, Nathaniel D / Distler, Margaret G / Artin, Hewa / Lee, John H / Adelekun, Adesewa E / Leuchter, Andrew F

    Psychiatry research

    2023  Volume 330, Page(s) 115608

    Abstract: Clinical outcomes of repetitive Transcranial Magnetic Stimulation (rTMS) for treatment of Major Depressive Disorder (MDD) vary widely, and no single mood rating scale is standard for assessing rTMS outcomes. This study of 708 subjects undergoing clinical ...

    Abstract Clinical outcomes of repetitive Transcranial Magnetic Stimulation (rTMS) for treatment of Major Depressive Disorder (MDD) vary widely, and no single mood rating scale is standard for assessing rTMS outcomes. This study of 708 subjects undergoing clinical rTMS compared the performance of four scales in measuring symptom change during rTMS treatment. Self-report and observer ratings were examined weekly with the Inventory of Depressive Symptomatology 30-item (IDS), Patient Health Questionnaire 9-item (PHQ), Profile of Mood States 30-item (POMS), and Hamilton Depression Rating Scale 17-item (HDRS). While all scales were correlated and detected significant improvement, the degree of improvement over time as well as response (33-50%) and remission (20-24%) rates varied significantly. Higher baseline severity was associated with lower likelihood of remission, and greater improvement by sessions 5 and 10 predicted response across all scales. Use of only a single scale to assess outcome conferred 14-36% risk of failing to detect response/remission indicated by another scale. The PHQ was most likely to indicate improvement and least likely to miss response or remission. These findings indicate that assessment of symptom burden during rTMS treatment may be most accurately assessed through use of multiple instruments.
    MeSH term(s) Humans ; Depressive Disorder, Major/therapy ; Depressive Disorder, Major/diagnosis ; Treatment Outcome ; Depression ; Prefrontal Cortex/physiology ; Transcranial Magnetic Stimulation
    Language English
    Publishing date 2023-11-14
    Publishing country Ireland
    Document type Journal Article
    ZDB-ID 445361-x
    ISSN 1872-7123 ; 1872-7506 ; 0925-4927 ; 0165-1781
    ISSN (online) 1872-7123 ; 1872-7506
    ISSN 0925-4927 ; 0165-1781
    DOI 10.1016/j.psychres.2023.115608
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Obstructive sleep apnea co-morbidity in patients with fibromyalgia: a single-center retrospective analysis and literature review.

    Meresh, Edwin S / Artin, Hewa / Joyce, Cara / Birch, Steven / Daniels, David / Owens, Jack H / La Rosa, Alvaro J / Rao, Murali S / Halaris, Angelos

    Open access rheumatology : research and reviews

    2019  Volume 11, Page(s) 103–109

    Abstract: Background: ...

    Abstract Background:
    Language English
    Publishing date 2019-04-29
    Publishing country New Zealand
    Document type Journal Article
    ZDB-ID 2508169-X
    ISSN 1179-156X
    ISSN 1179-156X
    DOI 10.2147/OARRR.S196576
    Database MEDical Literature Analysis and Retrieval System OnLINE

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