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Article ; Online: Commentary: "Considerations to ensure that nutrition information improves the allostatic load model", correspondence on "The association between mediterranean diet adherence and allostatic load in older adults" by Obomsawin et al. (2022).

Longpré-Poirier, Christophe / Ach, Taïeb / Romain, Ahmed Jérôme

2022 Volume 144, Page(s) 105841

MeSH term(s)	Allostasis ; Diet, Mediterranean ; Health Status Disparities ; Nutrition Surveys
Language	English
Publishing date	2022-06-21
Publishing country	England
Document type	Letter ; Comment
ZDB-ID	197636-9
ISSN	1873-3360 ; 0306-4530
ISSN (online)	1873-3360
ISSN	0306-4530
DOI	10.1016/j.psyneuen.2022.105841
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Zs.A 1235: Show issues

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Article ; Online: Biomarkers use in psycho-oncology practice: Are we there yet?

Rivest, Jacynthe / Longpré-Poirier, Christophe / Desbeaumes Jodoin, Véronique / Martineau, Joe T / Chammas, Marc / Aubin, Francine / Caron, David / Levenson, Jon A

Palliative & supportive care

2023 , Page(s) 1–4

Language	English
Publishing date	2023-10-19
Publishing country	England
Document type	Journal Article
ZDB-ID	2454009-2
ISSN	1478-9523 ; 1478-9515
ISSN (online)	1478-9523
ISSN	1478-9515
DOI	10.1017/S1478951523001438
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Zs.A 6697: Show issues

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Article ; Online: Intravenous ketamine for treatment-resistant depression patients who have failed to respond to transcranial magnetic stimulation: A case series.

Payette, Olivier / Lespérance, Paul / Desbeaumes Jodoin, Véronique / Longpré-Poirier, Christophe / Elkrief, Laurent / Richard, Maxime / Garel, Nicolas / Miron, Jean-Philippe

Journal of affective disorders

2023 Volume 333, Page(s) 18–20

Abstract: Background: For individuals with treatment-resistant depression (TRD), transcranial magnetic stimulation (TMS) has become a well-established approach. In the past decade, intravenous (IV) racemic ketamine has also emerged as a potential treatment for ... ...

Abstract	Background: For individuals with treatment-resistant depression (TRD), transcranial magnetic stimulation (TMS) has become a well-established approach. In the past decade, intravenous (IV) racemic ketamine has also emerged as a potential treatment for TRD. Currently, little data is available on the clinical effects of IV racemic ketamine in TRD patients who experienced TMS-failure. Methods: Twenty-one (21) TRD patients who had failed to respond to a standard course of high-frequency left-dorsolateral prefrontal cortex TMS were subsequently scheduled to received IV racemic ketamine infusions. The IV racemic ketamine protocol consisted of 0,5 mg/kg infusions over 60 min, 3 times a week over 2 weeks. Results: Treatment was safe with minimal side-effects. Mean baseline MADRS score was 27.6 ± 6.4 (moderate depression), decreasing down to 18.6 ± 8.9 (mild depression) post-treatment. Mean percent improvement was 34.5 % ± 21.1 from baseline to post-treatment. Paired sample t-test showed significant MADRS score decrease pre- to post-treatment [t(20) = 7.212, p < .001]. Overall, four (4) patients (19.0 %) responded and two (2) of those achieved remission (9.5 %). Limitations: Limitations of this case series include its retrospective and uncontrolled open-label nature, the lack of self-rating and standardized adverse events questionnaires, as well as follow-ups beyond the immediate treatment period. Conclusions: Novel ways to increase the clinical effects of ketamine are being explored. We discuss potential combination approaches of ketamine with other modalities to augment its effects. Given the global burden of TRD, novel approaches are needed to curb the current mental health epidemic around the world.
MeSH term(s)	Humans ; Depression ; Depressive Disorder, Treatment-Resistant/drug therapy ; Depressive Disorder, Treatment-Resistant/psychology ; Infusions, Intravenous ; Ketamine/adverse effects ; Retrospective Studies ; Transcranial Magnetic Stimulation ; Treatment Outcome
Chemical Substances	Ketamine (690G0D6V8H)
Language	English
Publishing date	2023-04-17
Publishing country	Netherlands
Document type	Clinical Trial ; Letter
ZDB-ID	135449-8
ISSN	1573-2517 ; 0165-0327
ISSN (online)	1573-2517
ISSN	0165-0327
DOI	10.1016/j.jad.2023.04.019
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Zs.A 1485: Show issues

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Article ; Online: Vagus Nerve Stimulation Modulates Inflammation in Treatment-Resistant Depression Patients: A Pilot Study.

Lespérance, Paul / Desbeaumes Jodoin, Véronique / Drouin, David / Racicot, Frédéric / Miron, Jean-Philippe / Longpré-Poirier, Christophe / Fournier-Gosselin, Marie-Pierre / Thebault, Paméla / Lapointe, Réjean / Arbour, Nathalie / Cailhier, Jean-François

International journal of molecular sciences

2024 Volume 25, Issue 5

Abstract: Vagal neurostimulation (VNS) is used for the treatment of epilepsy and major medical-refractory depression. VNS has neuropsychiatric functions and systemic anti-inflammatory activity. The objective of this study is to measure the clinical efficacy and ... ...

Abstract	Vagal neurostimulation (VNS) is used for the treatment of epilepsy and major medical-refractory depression. VNS has neuropsychiatric functions and systemic anti-inflammatory activity. The objective of this study is to measure the clinical efficacy and impact of VNS modulation in depressive patients. Six patients with refractory depression were enrolled. Depression symptoms were assessed with the Montgomery-Asberg Depression Rating, and anxiety symptoms with the Hamilton Anxiety Rating Scale. Plasmas were harvested prospectively before the implantation of VNS (baseline) and up to 4 years or more after continuous therapy. Forty soluble molecules were measured in the plasma by multiplex assays. Following VNS, the reduction in the mean depression severity score was 59.9% and the response rate was 87%. Anxiety levels were also greatly reduced. IL-7, CXCL8, CCL2, CCL13, CCL17, CCL22, Flt-1 and VEGFc levels were significantly lowered, whereas bFGF levels were increased (
MeSH term(s)	Humans ; Vagus Nerve Stimulation ; Pilot Projects ; Depressive Disorder, Treatment-Resistant/psychology ; Depression ; Treatment Outcome ; Inflammation
Language	English
Publishing date	2024-02-26
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2019364-6
ISSN	1422-0067 ; 1422-0067 ; 1661-6596
ISSN (online)	1422-0067
ISSN	1422-0067 ; 1661-6596
DOI	10.3390/ijms25052679
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Article ; Online: Commentary: Connecting cytokines to distress via cortisol concentrations.

Cipriani, Enzo / Kerr, Philippe / Longpré-Poirier, Christophe / Rohleder, Nicolas / Juster, Robert-Paul

Brain, behavior, and immunity

2021 Volume 95, Page(s) 21–22

MeSH term(s)	Adult ; Biomarkers ; Cytokines ; Humans ; Hydrocortisone ; Inflammation ; Stress, Psychological
Chemical Substances	Biomarkers ; Cytokines ; Hydrocortisone (WI4X0X7BPJ)
Language	English
Publishing date	2021-04-06
Publishing country	Netherlands
Document type	Journal Article ; Comment
ZDB-ID	639219-2
ISSN	1090-2139 ; 0889-1591
ISSN (online)	1090-2139
ISSN	0889-1591
DOI	10.1016/j.bbi.2021.03.027
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Zs.A 2276: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular Jg. 1995 - 2021: Lesesall (2.OG) ab Jg. 2022: Lesesaal (EG)
Zs.MO 327: Show issues

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Article: Transcranial magnetic stimulation and intravenous ketamine combination therapy for treatment-resistant bipolar depression: A case report.

Elkrief, Laurent / Payette, Olivier / Foucault, Jean-Nicolas / Longpré-Poirier, Christophe / Richard, Maxime / Desbeaumes Jodoin, Véronique / Lespérance, Paul / Miron, Jean-Philippe

Frontiers in psychiatry

2022 Volume 13, Page(s) 986378

Abstract: About a third of patients suffering from major depression develop treatment-resistant depression (TRD). Although repetitive transcranial magnetic stimulation (rTMS) and intravenous ketamine have proven effective for the management of TRD, many patients ... ...

Abstract	About a third of patients suffering from major depression develop treatment-resistant depression (TRD). Although repetitive transcranial magnetic stimulation (rTMS) and intravenous ketamine have proven effective for the management of TRD, many patients remain refractory to treatment. We present the case of a patient suffering from bipolar TRD. The patient was referred to us after failure to respond to first-and second-line pharmacotherapy and psychotherapy. After minimal response to both rTMS and ketamine alone, we attempted a combination rTMS and ketamine protocol, which led to complete and sustained remission. Various comparable and complimentary mechanisms of antidepressant action of ketamine and rTMS are discussed, which support further study of this combination therapy. Future research should focus on the feasibility, tolerability, and efficacy of this novel approach.
Language	English
Publishing date	2022-09-21
Publishing country	Switzerland
Document type	Case Reports
ZDB-ID	2564218-2
ISSN	1664-0640
ISSN	1664-0640
DOI	10.3389/fpsyt.2022.986378
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Article ; Online: Allostatic load as a predictor of response to repetitive transcranial magnetic stimulation in treatment resistant depression: Research protocol and hypotheses.

Longpré-Poirier, Christophe / Juster, Robert-Paul / Miron, Jean-Philippe / Kerr, Philippe / Cipriani, Enzo / Desbeaumes Jodoin, Véronique / Lespérance, Paul

Comprehensive psychoneuroendocrinology

2022 Volume 10, Page(s) 100133

Abstract: Treatment resistant depression is challenging because patients who fail their initial treatments often do not respond to subsequent trials and their course of illness is frequently marked by chronic depression. Repetitive transcranial magnetic ... ...

Abstract	Treatment resistant depression is challenging because patients who fail their initial treatments often do not respond to subsequent trials and their course of illness is frequently marked by chronic depression. Repetitive transcranial magnetic stimulation (rTMS) is a well-established treatment alternative, but there are several limitations that decreases accessibility. Identifying biomarkers that can help clinicians to reliably predict response to rTMS is therefore necessary. Allostatic load (AL), which represents the 'wear and tear' on the body and brain which accumulates as an individual is exposed to chronic stress could be an interesting staging model for TRD and help predict rTMS treatment response. We propose an open study which aims to test whether patients with a lower pre-treatment AL will have a stronger antidepressant response to 4 week-rTMS treatment. We will also assess the relation between healthy lifestyle behaviors, AL, and rTMS treatment response. Blood samples for AL parameters will be collected before the treatment. The AL indices will summarize neuroendocrine (cortisol, Dehydroepiandrosterone), immune (CRP, fibrinogen, ferritin), metabolic (glycosylated hemoglobin, total cholesterol, high-density lipoprotein, low-density lipoprotein, triglycerides, uric acid, body mass index, waist circumference), and cardiovascular (heart rate, systolic and diastolic blood pressure) functioning. Mood assessment (Montgomery-Åsberg Depression Rating Scale and Inventory of Depressive symptomatology) will be measured before the treatment and at two-week intervals up to 4 weeks. With the help of different lifestyle questionnaires, a healthy lifestyle index (i.e., a single score based on lifestyle factors) will be created. We will use linear and logistic regressions to assess AL in relation to changes in mood score. Hierarchical regression will be done in order to assess the association between AL, healthy lifestyle index and mood score. Long-lasting and unsuccessful antidepressant trials may increase the chance of not responding to future trials of antidepressants and it can therefore increase treatment resistance. It is essential to identify reliable biomarkers that can predict treatment responses.
Language	English
Publishing date	2022-04-01
Publishing country	England
Document type	Journal Article
ISSN	2666-4976
ISSN (online)	2666-4976
DOI	10.1016/j.cpnec.2022.100133
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Article ; Online: "Remote Monitoring of Intranasal Ketamine Self-Administration as Maintenance Therapy in Treatment-Resistant Depression (TRD): A Novel Strategy for Vulnerable and At-Risk Populations to COVID-19?"

Longpré-Poirier, Christophe / Desbeaumes Jodoin, Véronique / Miron, Jean-Philippe / Lespérance, Paul

The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry

2020 Volume 28, Issue 8, Page(s) 892–893

MeSH term(s)	Administration, Intranasal ; Betacoronavirus ; COVID-19 ; Coronavirus Infections/complications ; Coronavirus Infections/epidemiology ; Coronavirus Infections/psychology ; Depressive Disorder, Treatment-Resistant/complications ; Depressive Disorder, Treatment-Resistant/drug therapy ; Drug Monitoring/methods ; Excitatory Amino Acid Antagonists/administration & dosage ; Excitatory Amino Acid Antagonists/therapeutic use ; Humans ; Ketamine/administration & dosage ; Ketamine/therapeutic use ; Middle Aged ; Pandemics ; Pneumonia, Viral/complications ; Pneumonia, Viral/epidemiology ; Pneumonia, Viral/psychology ; SARS-CoV-2 ; Self Administration ; Telemedicine/methods
Chemical Substances	Excitatory Amino Acid Antagonists ; Ketamine (690G0D6V8H)
Keywords	covid19
Language	English
Publishing date	2020-05-05
Publishing country	England
Document type	Letter
ZDB-ID	1278145-9
ISSN	1545-7214 ; 1064-7481
ISSN (online)	1545-7214
ISSN	1064-7481
DOI	10.1016/j.jagp.2020.04.024
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Zs.A 4443: Show issues

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Article ; Online: Vagus Nerve Stimulation for Treatment-Resistant Depression: a Case Series of Clinical Symptoms Associated with the End of Service Period.

Longpré-Poirier, Christophe / Miron, Jean-Philippe / Desbeaumes Jodoin, Véronique / Fournier-Gosselin, Marie-Pierre / Lespérance, Paul

Journal of affective disorders

2020 Volume 281, Page(s) 646–648

Abstract: Background: This work describes the clinical symptoms associated with end of service (EOS) of the batteries of vagus nerve stimulation (VNS) generators in treatment-resistant depression (TRD). Because neurostimulator software may not provide reliable ... ...

Abstract	Background: This work describes the clinical symptoms associated with end of service (EOS) of the batteries of vagus nerve stimulation (VNS) generators in treatment-resistant depression (TRD). Because neurostimulator software may not provide reliable information on battery depletion, careful monitoring of clinical symptoms during the EOS period is an important concern in the follow-up of TRD patients treated with VNS therapy. Methods: Twenty-six (26) patients were implanted and followed at the Centre Hospitalier de l'Université de Montréal. Fourteen (14) patients required battery replacement and we retrieved chart data up to 3 months before generator battery replacement. Results: Our study demonstrated there might be a decrease or increase in VNS associated physical side effects, and possibly an increase in depressive symptoms during EOS. Limitations: Our observations are limited by the retrospective nature of this small case series, and larger prospective studies evaluating both VNS side effects and depressive symptoms are therefore needed to further validate those findings. Conclusion: Our study is the first to examine clinical symptoms associated with EOS of the batteries of VNS in TRD.
MeSH term(s)	Depression/therapy ; Humans ; Prospective Studies ; Retrospective Studies ; Treatment Outcome ; Vagus Nerve ; Vagus Nerve Stimulation
Language	English
Publishing date	2020-11-12
Publishing country	Netherlands
Document type	Letter
ZDB-ID	135449-8
ISSN	1573-2517 ; 0165-0327
ISSN (online)	1573-2517
ISSN	0165-0327
DOI	10.1016/j.jad.2020.11.097
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Zs.A 1485: Show issues

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Article ; Online: Electrocardiogram Corrected Q-T Interval Predicts Response to Vagus Nerve Stimulation in Depression.

Longpré-Poirier, Christophe / Desbeaumes Jodoin, Véronique / Miron, Jean-Philippe / Fournier-Gosselin, Marie-Pierre / Lespérance, Paul

The journal of ECT

2020 Volume 36, Issue 4, Page(s) 285–290

Abstract: Introduction: Recent studies have revealed a possible link between heart rate variability (HRV) and major depressive disorder (MDD), with decreased HRV in MDD compared with healthy subjects. Corrected Q-T interval (QTc) has been suggested to represent ... ...

Abstract	Introduction: Recent studies have revealed a possible link between heart rate variability (HRV) and major depressive disorder (MDD), with decreased HRV in MDD compared with healthy subjects. Corrected Q-T interval (QTc) has been suggested to represent an indirect estimate of HRV, as QTc length is inversely correlated to parasympathetic activity in healthy subjects. This retrospective study assessed the ability of QTc length in predicting response to vagus nerve stimulation (VNS) treatment in refractory depression. Methods: We measured QTc length in 19 patients suffering from refractory depression, selected to be implanted with VNS. Correlations were calculated between baseline QTc (preimplantation) and long-term mood response. Results: Nineteen patients selected for VNS surgery were included in the study. Baseline 28-item Hamilton Depression Rating Scale scores were 28.5 ± 6.8 and decreased to 15.1 ± 9.5 at 12 months and 12.4 ± 10.4 at 24 months post-VNS. Among the 19 patients, 53% (10) were responders and 26% (5) were in remission at 12 months. Pretreatment QTc averaged 425.5 ± 22.0. Patients with longer baseline QTc displayed larger improvement, with a significant correlation between mood and QTc values after 12 months (r(18) = -0.526, P = 0.02) and also after 24 months of VNS therapy (r(17) = -0.573, P = 0.016). Conclusions: The presented analysis showed that increased QTc in patients with MDD might be used as a baseline biomarker for depressive episodes that might respond preferentially to VNS. The link between cardiovagal activity in depression and response to VNS treatment requires further investigation in larger cohorts and randomized controlled trials.
MeSH term(s)	Adult ; Depressive Disorder, Major/therapy ; Depressive Disorder, Treatment-Resistant/therapy ; Electrocardiography ; Female ; Humans ; Long QT Syndrome/diagnosis ; Male ; Middle Aged ; Psychiatric Status Rating Scales ; Retrospective Studies ; Vagus Nerve Stimulation
Language	English
Publishing date	2020-06-02
Publishing country	United States
Document type	Journal Article
ZDB-ID	1426385-3
ISSN	1533-4112 ; 1095-0680
ISSN (online)	1533-4112
ISSN	1095-0680
DOI	10.1097/YCT.0000000000000684
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