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Rollason V, Lloret-Linares C, Lorenzini KI, Daali Y, Gex-Fabry M, Piguet V, Besson M, Samer C, Desmeules J. Evaluation of Phenotypic and Genotypic Variations of Drug Metabolising Enzymes and Transporters in Chronic Pain Patients Facing Adverse Drug Reactions or Non-Response to Analgesics: A Retrospective Study. J Pers Med 2020; 10:E198. [PMID: 33121061 PMCID: PMC7711785 DOI: 10.3390/jpm10040198] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 10/22/2020] [Accepted: 10/24/2020] [Indexed: 12/11/2022] Open
Abstract
This retrospective study evaluates the link between an adverse drug reaction (ADR) or a non-response to treatment and cytochromes P450 (CYP), P-glycoprotein (P-gp) or catechol-O-methyltransferase (COMT) activity in patients taking analgesic drugs for chronic pain. Patients referred to a pain center for an ADR or a non-response to an analgesic drug between January 2005 and November 2014 were included. The genotype and/or phenotype was obtained for assessment of the CYPs, P-gp or COMT activities. The relation between the event and the result of the genotype and/or phenotype was evaluated using a semi-quantitative scale. Our analysis included 243 individual genotypic and/or phenotypic explorations. Genotypes/phenotypes were mainly assessed because of an ADR (n = 145, 59.7%), and the majority of clinical situations were observed with prodrug opioids (n = 148, 60.9%). The probability of a link between an ADR or a non-response and the genotypic/phenotypic status of the patient was evaluated as intermediate to high in 40% and 28.2% of all cases, respectively. The drugs in which the probability of an association was the strongest were the prodrug opioids, with an intermediate to high link in 45.6% of the cases for occurrence of ADRs and 36.0% of the cases for non-response. This study shows that the genotypic and phenotypic approach is useful to understand ADRs or therapeutic resistance to a usual therapeutic dosage, and can be part of the evaluation of chronic pain patients.
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Affiliation(s)
- Victoria Rollason
- Division of Clinical Pharmacology and Toxicology, Department of Anesthesiology, Pharmacology, Emergency Medicine and Intensive Care, Geneva University Hospitals, 1205 Geneva, Switzerland; (K.I.L.); (Y.D.); (V.P.); (M.B.); (C.S.); (J.D.)
- Faculty of Medicine, Geneva University, 1206 Geneva, Switzerland
| | - Célia Lloret-Linares
- Ramsay Générale de Santé, Hôpital Privé Pays de Savoie, Maladies Nutritionnelles et Métaboliques, 74000 Annemasse, France;
| | - Kuntheavy Ing Lorenzini
- Division of Clinical Pharmacology and Toxicology, Department of Anesthesiology, Pharmacology, Emergency Medicine and Intensive Care, Geneva University Hospitals, 1205 Geneva, Switzerland; (K.I.L.); (Y.D.); (V.P.); (M.B.); (C.S.); (J.D.)
- Faculty of Medicine, Geneva University, 1206 Geneva, Switzerland
| | - Youssef Daali
- Division of Clinical Pharmacology and Toxicology, Department of Anesthesiology, Pharmacology, Emergency Medicine and Intensive Care, Geneva University Hospitals, 1205 Geneva, Switzerland; (K.I.L.); (Y.D.); (V.P.); (M.B.); (C.S.); (J.D.)
- Faculty of Medicine, Geneva University, 1206 Geneva, Switzerland
| | - Marianne Gex-Fabry
- Division of Psychiatric Specialties, Department of Psychiatry and Mental Health, Geneva University Hospitals, 1226 Thônex, Switzerland;
| | - Valérie Piguet
- Division of Clinical Pharmacology and Toxicology, Department of Anesthesiology, Pharmacology, Emergency Medicine and Intensive Care, Geneva University Hospitals, 1205 Geneva, Switzerland; (K.I.L.); (Y.D.); (V.P.); (M.B.); (C.S.); (J.D.)
| | - Marie Besson
- Division of Clinical Pharmacology and Toxicology, Department of Anesthesiology, Pharmacology, Emergency Medicine and Intensive Care, Geneva University Hospitals, 1205 Geneva, Switzerland; (K.I.L.); (Y.D.); (V.P.); (M.B.); (C.S.); (J.D.)
- Faculty of Medicine, Geneva University, 1206 Geneva, Switzerland
| | - Caroline Samer
- Division of Clinical Pharmacology and Toxicology, Department of Anesthesiology, Pharmacology, Emergency Medicine and Intensive Care, Geneva University Hospitals, 1205 Geneva, Switzerland; (K.I.L.); (Y.D.); (V.P.); (M.B.); (C.S.); (J.D.)
- Faculty of Medicine, Geneva University, 1206 Geneva, Switzerland
| | - Jules Desmeules
- Division of Clinical Pharmacology and Toxicology, Department of Anesthesiology, Pharmacology, Emergency Medicine and Intensive Care, Geneva University Hospitals, 1205 Geneva, Switzerland; (K.I.L.); (Y.D.); (V.P.); (M.B.); (C.S.); (J.D.)
- Faculty of Medicine, Geneva University, 1206 Geneva, Switzerland
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Keizer I, Gex-Fabry M, Croquette P, Humair JP, Khan AN. Tobacco craving and withdrawal symptoms in psychiatric patients during a motivational enhancement intervention based on a 26-hour smoking abstinence period. Tob Prev Cessat 2020; 5:22. [PMID: 32411885 PMCID: PMC7205071 DOI: 10.18332/tpc/109785] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 05/31/2019] [Accepted: 06/02/2019] [Indexed: 01/13/2023]
Abstract
INTRODUCTION In psychiatric patients, tobacco withdrawal symptoms are frequently seen as a barrier to smoking cessation; however, further studies are warranted in this specific population. METHODS Patients receiving in- or out-patient mental health care participated in a motivational enhancement program including a 26-hour tobacco abstinence experience with professional support and optional nicotine replacement therapy. The study included 174 subjects, of whom 159 were evaluated 1 week before and at the end of the 26-hour abstinence period. Repeated assessments included the Minnesota Nicotine Tobacco Withdrawal Scale Revised (MNWS-R), two items of the Mood and Physical Symptoms Scale (MPSS) regarding craving, the State-Trait Anxiety Inventory (STAI-S), the Beck Depression Inventory (BDI-21), and the World Health Organization Well-Being Index (WHO-5). RESULTS More than half the participants (52.3%) succeeded in 26-hour smoking abstinence. Craving was the most frequent MNWS-R withdrawal symptom (28.3% scored ≥3 on a 0–4 scale). Comparison of pre- and post-intervention data revealed significant improvements in 13 of 16 MNWS-R symptoms as well as craving (MPSS) and well-being, and significant decreases in anxiety and depression. Increasing MNWS-R craving scores and greater depression were both significantly associated with lower success in the 26-hour smoking abstinence period. CONCLUSIONS The negative effects of tobacco withdrawal symptoms in psychiatric patients may be substantially overestimated. Participation in a supportive structured motivational intervention with a 26-hour smoking cessation experience was well tolerated and contributed to temporary improvements in mental state. Craving is an interesting symptom to evaluate during smoking cessation attempts.
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Affiliation(s)
- Ineke Keizer
- Department of Mental Health and Psychiatry, Geneva University Hospitals (HUG), Geneva, Switzerland.,Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Marianne Gex-Fabry
- Department of Mental Health and Psychiatry, Geneva University Hospitals (HUG), Geneva, Switzerland
| | - Patrice Croquette
- Department of Mental Health and Psychiatry, Geneva University Hospitals (HUG), Geneva, Switzerland
| | - Jean-Paul Humair
- Faculty of Medicine, University of Geneva, Geneva, Switzerland.,Carrefour Addictions, CIPRET, Geneva, Switzerland
| | - Aqal N Khan
- Department of Mental Health and Psychiatry, Geneva University Hospitals (HUG), Geneva, Switzerland
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Abstract
AbstractA patient satisfaction survey was undertaken in a mixed psychiatric and somatic care unit. An anonymous self-report questionnaire covering setting and satisfaction with care was completed by 60 patients. Median age was 42 (range 20–64), and the majority female (63%). Main ICD-10 diagnostic categories were depressive disorders (51.7%), substance-related disorders (33%) and personality disorders (25%). Somatic comorbidity was present in 60% of patients. Overall satisfaction with care and setting was high. Higher satisfaction was significantly associated with a history of previous hospitalizations in a psychiatric hospital and with being referred to the program by a psychiatrist. These findings emphasize the perceived advantages of mixed units, such as decreased stigmatization of psychiatric inpatients and opportunity to receive adequate treatment for both physical and mental problems during a single hospital stay.
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Affiliation(s)
- Ariel Eytan
- Department of Psychiatry, Geneva University Hospitals, Belle-Idée, 2 Chemin Petit-Bel-Air, 1225 Geneva, Switzerland.
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Bertschy G, Haffen E, Gervasoni N, Gex-Fabry M, Osiek C, Marra D, Aubry JM, Bondolfi G. Self-rated residual symptoms do not predict 1-year recurrence of depression. Eur Psychiatry 2020; 25:52-7. [DOI: 10.1016/j.eurpsy.2009.05.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2009] [Revised: 05/11/2009] [Accepted: 05/20/2009] [Indexed: 12/28/2022] Open
Abstract
AbstractBackgroundResidual depressive symptoms are generally documented as a risk factor for recurrence. In the absence of a specific instrument for the assessment of residual symptoms, a new 25-item Depression Residual Symptom Scale (DRSS) was elaborated and tested for recurrence prediction over a 1-year follow-up.Sampling and methodsFifty-nine patients in remission after a major depressive episode (MDE) were recruited in two centres. They were assessed with the DRSS and the Montgomery-Asberg Depression Rating Scale (MADRS) at inclusion and followed for 1 year according to a seminaturalistic design. The DRSS included specific depressive symptoms and subjective symptoms of vulnerability, lack of return to usual self and premorbid level of functioning.ResultsSeverity of residual symptoms was not significantly associated with increased risk of recurrence. However, DRSS score was significantly higher among patients with three or more episodes than one to two episodes. Number of previous episodes and treatment interruption were not identified as significant predictors of recurrence.ConclusionThe proposed instrument is not predictive of depressive recurrence, but is sensitive to increased perception of vulnerability associated with consecutive episodes. Limitations include small sample size, seminaturalistic design (no standardisation of treatment) and content of the instrument.
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Gervasoni N, Weber Rouget B, Miguez M, Dubuis V, Bizzini V, Gex-Fabry M, Bondolfi G, Aubry JM. Performance of the Mood Disorder Questionnaire (MDQ) according to bipolar subtype and symptom severity. Eur Psychiatry 2020; 24:341-4. [DOI: 10.1016/j.eurpsy.2008.12.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2008] [Revised: 12/19/2008] [Accepted: 12/30/2008] [Indexed: 10/21/2022] Open
Abstract
AbstractObjectiveTo evaluate the performance of the French version of the Mood Disorder Questionnaire (MDQ) in patients attending a general psychiatric outpatient service as well as whether MDQ scores are independent of patient mood state at time of completion.Method183 patients completed the MDQ and were assessed with the MADRS and YMRS scales, before being interviewed with the SCID (time 1). MDQ, MADRS and YMRS assessment was repeated four to six weeks later (time 2).ResultsAccording to the SCID, 44 patients were suffering from bipolar spectrum disorder and 102 from unipolar disorder (37 patients dropped out). The MDQ provided high specificity (83.3%). Sensitivity was 63.6%, with better identification of bipolar I (85.0%) than bipolar II patients (45.8%). In the whole sample, test-retest reliability was satisfactory (kappa = 0.64). Modest correlations were observed between the number of endorsed MDQ items and YMRS scores at time 1 (Spearman r = 0.19; p = 0.021) and time 2 (r = 0.26; p = 0.002).ConclusionsDespite some fluctuations over time and a discrete influence of symptom severity, the screening algorithm can be used reliably, whether in the acute or remission phase of a depressive episode.
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Lloret-Linares C, Bosilkovska M, Daali Y, Gex-Fabry M, Heron K, Bancila V, Michalopoulos G, Perroud N, Richard-Lepouriel H, Aubry JM, Desmeules J, Besson M. Phenotypic Assessment of Drug Metabolic Pathways and P-Glycoprotein in Patients Treated With Antidepressants in an Ambulatory Setting. J Clin Psychiatry 2019; 79. [PMID: 29570971 DOI: 10.4088/jcp.16m11387] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Accepted: 08/30/2017] [Indexed: 10/17/2022]
Abstract
OBJECTIVE Drug-metabolizing enzymes (DMEs), such as cytochrome P450 (CYP) enzymes, and transporters have emerged as major determinants of variability in drug metabolism and response. This study investigated the association between CYP and P-glycoprotein activities and plasma antidepressant concentration in an outpatient clinical setting. Secondary outcomes were antidepressant efficacy and tolerance. We also describe phenotypes in patients treated with antidepressants and evaluate the tolerance of a minimally invasive phenotyping approach. METHODS From January 2015 to August 2015, 64 patients on a stable antidepressant regimen underwent a simultaneous assessment of steady-state antidepressant concentration and DME (CYP1A2, CYP2B6, CYP2C9, CYP2C19, CYP2D6, CYP3A) and P-glycoprotein transporter activity using a cocktail phenotyping approach. Psychiatric diagnoses were in accordance with DSM-5. RESULTS We observed a high proportion of subjects (> 20%) with reduced activity of CYP2C19, CYP2D6, CYP3A4, and P-glycoprotein. As expected, higher CYP activity for major metabolic pathways was associated with lower concentration of the parent compound (CYP2C19 and escitalopram, P = .025; CYP2D6 and fluoxetine, P < .001; CYP2C19 and sertraline, P = .001), higher concentration of the metabolite (CYP2D6 and O-desmethylvenlafaxine, P = .007), and higher metabolite-to-parent drug ratio (CYP2C19 and escitalopram, P = .03; CYP2D6 and fluoxetine, P < .001; CYP2C19 and sertraline, P = .048; CYP2B6 and sertraline, P = .006). Phenotyping also highlighted the relevance of a minor metabolic pathway for venlafaxine (CYP3A4). Insufficient response and adverse reactions to antidepressants were not significantly associated with plasma antidepressant concentration, DME, or P-glycoprotein activity. Tolerance of the phenotypic test in ambulatory settings was found to be excellent. CONCLUSIONS The phenotypic assessment of DMEs and a transporter is a valuable, well-tolerated method to explore the interindividual variability in drug disposition in clinical settings. The method is able to account for the inhibitory activity of antidepressants themselves and for polymedication, which is frequent in this population of refractory depressed patients. TRIAL REGISTRATION ClinicalTrials.gov identifier: NCT02438072.
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Affiliation(s)
- Célia Lloret-Linares
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva, Switzerland.,INSERM UMR-S1144, Paris, France
| | - Marija Bosilkovska
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva, Switzerland
| | - Youssef Daali
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva, Switzerland
| | - Marianne Gex-Fabry
- Division of Psychiatric Specialties, Department of Mental Health and Psychiatry, Geneva University Hospitals, Geneva, Switzerland
| | - Kyle Heron
- Department of Experimental Psychology, University of Bristol, and Somerset Partnership NHS Foundation Trust, Bristol, United Kingdom
| | - Victor Bancila
- Division of Psychiatric Specialties, Department of Mental Health and Psychiatry, Geneva University Hospitals, Geneva, Switzerland
| | - Giorgio Michalopoulos
- Division of Psychiatric Specialties, Department of Mental Health and Psychiatry, Geneva University Hospitals, Geneva, Switzerland
| | - Nader Perroud
- Division of Psychiatric Specialties, Department of Mental Health and Psychiatry, Geneva University Hospitals, Geneva, Switzerland
| | - Hélène Richard-Lepouriel
- Division of Psychiatric Specialties, Department of Mental Health and Psychiatry, Geneva University Hospitals, Geneva, Switzerland
| | - Jean-Michel Aubry
- Division of Psychiatric Specialties, Department of Mental Health and Psychiatry, Geneva University Hospitals, Geneva, Switzerland
| | - Jules Desmeules
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva, Switzerland
| | - Marie Besson
- Psychopharmacology Unit, Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Gabrielle Perret-Gentil 4, 1211 Genève 4, Switzerland. .,Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva, Switzerland
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Rodrigues RO, Cooke RF, Firmino FC, Moura MKR, Angeli BF, Ferreira HAO, Brandão AP, Gex-Fabry M, Ostrensky A, Vasconcelos JLM. Productive and physiological responses of lactating dairy cows supplemented with phytogenic feed ingredients. Transl Anim Sci 2019; 3:1133-1142. [PMID: 32704877 PMCID: PMC7200498 DOI: 10.1093/tas/txz108] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 06/26/2019] [Indexed: 11/13/2022] Open
Abstract
This experiment compared milk production, milk composition, and physiological responses in lactating dairy cows supplemented with or without a mixture of condensed tannins, encapsulated cinnamaldehyde, curcumin, capsaicin, and piperine. Thirty-six lactating, multiparous, pregnant ¾ Holstein × ¼ Gir cows were maintained in a single drylot pen with ad libitum access to water and a total-mixed ration and were milked twice daily (d -7 to 84). On d 0, cows were ranked by days in milk (86 ± 3 d), milk yield (27.8 ± 1.0 kg), body weight (BW; 584 ± 10 kg), and body condition score (BCS; 3.04 ± 0.06) and assigned to receive (SUPP; n = 18) or not (CON; n = 18) 30 g/cow daily (as-fed basis) of Actifor Pro (Delacon Biotechnik GmbH; Steyregg, Austria). From d 0 to 84, SUPP cows individually received (as-fed basis) 15 g of Actifor Pro mixed with 85 g of finely ground corn through self-locking headgates before each milking of the day. Each CON cow concurrently received 85 g (as-fed basis) of finely ground corn through self-locking headgates. Throughout the experimental period (d -7 to 84), cows from both treatments were administered 500 mg of sometribove zinc at 14-d intervals and were monitored daily for morbidity, including clinical mastitis. Individual milk production was recorded daily, whereas milk samples were collected weekly for analysis of milk composition. Cow BW, BCS, and blood samples were also collected weekly. Cows receiving SUPP gained more BCS (P = 0.05) and had greater (P = 0.04) milk yield during the experiment compared with CON cows (0.22 vs. 0.07 of BCS, SEM = 0.05; 29.5 vs. 27.9 kg/d, SEM = 0.5). Milk composition did not differ (P ≥ 0.15) between SUPP and CON cows; hence, SUPP cows also had greater (P ≤ 0.02) production of fat-corrected and energy-corrected milk. Incidence of clinical mastitis did not differ (P ≥ 0.49) between SUPP and CON cows. No treatment differences were also detected (P ≥ 0.21) for serum concentrations of glucose and serum urea N. Mean serum haptoglobin concentration during the experiment was greater (P = 0.05) in CON vs. SUPP cows. Cows receiving SUPP had less (P ≤ 0.04) serum cortisol concentrations on d 21 and 42, and greater (P ≤ 0.05) serum concentrations of insulin-like growth factor-I on d 7, 35, and 63 compared with CON cows (treatment × day interactions; P ≤ 0.02). Collectively, supplementing phytogenic feed ingredients improved nutritional status and milk production of lactating ¾ Holstein × ¼ Gir cows.
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Affiliation(s)
- Rodrigo O Rodrigues
- School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), Botucatu, Brazil
| | - Reinaldo F Cooke
- Department of Animal Science, Texas A&M University, College Station, TX
| | - Franciele C Firmino
- School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), Botucatu, Brazil
| | - Mayara K R Moura
- School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), Botucatu, Brazil
| | - Beatriz F Angeli
- School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), Botucatu, Brazil
| | - Hingryd A O Ferreira
- School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), Botucatu, Brazil
| | - Alice P Brandão
- Department of Animal Science, Texas A&M University, College Station, TX
| | | | - A Ostrensky
- School of Life Sciences, Pontifical Catholic University of Paraná, Curitiba, Brazil
| | - Jose L M Vasconcelos
- School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), Botucatu, Brazil
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Torrisi R, Arnautovic E, Pointet Perizzolo VC, Vital M, Manini A, Suardi F, Gex-Fabry M, Rusconi Serpa S, Schechter DS. Developmental delay in communication among toddlers and its relationship to caregiving behavior among violence-exposed, posttraumatically stressed mothers. Res Dev Disabil 2018; 82:67-78. [PMID: 29754762 DOI: 10.1016/j.ridd.2018.04.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Revised: 03/16/2018] [Accepted: 04/07/2018] [Indexed: 06/08/2023]
Abstract
OBJECTIVES This study aimed to understand if maternal interpersonal violence-related posttraumatic stress disorder (IPV-PTSD) is associated with delayed language development among very young children ("toddlers"). METHODS Data were collected from 61 mothers and toddlers (ages 12-42 months, mean age = 25.6 months SD = 8.70). Child expressive and receptive language development was assessed by the Ages and Stages Questionnaire (ASQ) communication subscale (ASQCS) that measures language acquisition. Observed maternal caregiving behavior was coded from videos of 10-min free-play interactions via the CARE-Index. Correlations, Mann-Whitney tests, and multiple linear regression were performed. RESULTS There was no significant association between maternal IPV-PTSD severity and the ASQCS. Maternal IPV-PTSD severity was associated with continuous maternal behavior variables (i.e. sensitive and controlling behavior on the CARE-Index) across the entire sample and regardless of child gender. Maternal sensitivity was positively and significantly associated with the ASQCS. Controlling behavior was negatively and significantly associated with the ASQCS. CONCLUSIONS Results are consistent with the literature that while maternal IPV-PTSD severity is not associated with child language delays, the quality of maternal interactive behavior is associated both with child language development and with maternal IPV-PTSD severity. Further study is needed to understand if the level of child language development contributes to intergenerational risk or resilience for relational violence and/or victimization.
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Affiliation(s)
- R Torrisi
- Child and Adolescent Psychiatry Service, Geneva University Hospitals, Geneva, Switzerland
| | - E Arnautovic
- Child and Adolescent Psychiatry Service, Geneva University Hospitals, Geneva, Switzerland
| | - V C Pointet Perizzolo
- Child and Adolescent Psychiatry Service, Geneva University Hospitals, Geneva, Switzerland
| | - M Vital
- Child and Adolescent Psychiatry Service, Geneva University Hospitals, Geneva, Switzerland
| | - A Manini
- Child and Adolescent Psychiatry Service, Geneva University Hospitals, Geneva, Switzerland
| | - F Suardi
- Child and Adolescent Psychiatry Service, Geneva University Hospitals, Geneva, Switzerland
| | - M Gex-Fabry
- Department of Psychiatry, University of Geneva Faculty of Medicine, Geneva, Switzerland
| | - S Rusconi Serpa
- Child and Adolescent Psychiatry Service, Geneva University Hospitals, Geneva, Switzerland
| | - D S Schechter
- Department of Psychiatry, University of Geneva Faculty of Medicine, Geneva, Switzerland; Department of Child and Adolescent Psychiatry, New York Langone University School of Medicine, New York, NY, USA.
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Weiner L, Weibel S, de Sousa Gurgel W, Keizer I, Gex-Fabry M, Giersch A, Bertschy G. Measuring racing thoughts in healthy individuals: The Racing and Crowded Thoughts Questionnaire (RCTQ). Compr Psychiatry 2018; 82:37-44. [PMID: 29407357 DOI: 10.1016/j.comppsych.2018.01.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Revised: 01/04/2018] [Accepted: 01/11/2018] [Indexed: 02/05/2023] Open
Abstract
Racing thoughts refer to an acceleration and overproduction of thoughts, which have been associated with manic and mixed episodes. Phenomenology distinguishes 'crowded' from 'racing' thoughts, associated with mixed depression and mania, respectively. Recent data suggest racing thoughts might also be present in healthy individuals with sub-affective traits and symptoms. We investigated this assumption, with a 34-item self-rating scale, the Racing and Crowded Thoughts Questionnaire (RCTQ), and evaluated its reliability, factor structure, and concurrent validity. 197 healthy individuals completed the RCTQ, the Temperament Evaluation of Memphis, Pisa, Paris, and San Diego - autoquestionnaire (TEMPS-A), the Beck Depression Inventory (BDI), the Altman Self-Rating Mania scale (ASRM), and the Ruminative Response Scale (RRS). Exploratory factor analysis yielded a three-factor solution, labeled 'thought overactivation', 'burden of thought overactivation', and 'thought overexcitability'. Internal consistency of each of the three subscales of the RCTQ was excellent. The TEMPS-A cyclothymia score was associated with the three factors, suggesting good concurrent validity. The 'thought activation' subscale was selectively associated with current elated mood and included items conveying both the notion of increased amount and velocity of thoughts, whereas the 'burden of thought overactivation' subscale was associated with current low mood. The 'thought overexcitability' subscale included items conveying the notion of distractibility, and was associated with both elated and low mood. Rumination was not a significant predictor of RCTQ subscores. These results suggest that the RCTQ has good psychometric properties. Racing and crowded thoughts, as measured by the RCTQ, are a multi-faceted phenomenon, distinct from rumination, and particularly associated with mood instability even in its milder forms.
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Affiliation(s)
- Luisa Weiner
- INSERM U1114, Strasbourg, France; Psychiatry Department, University Hospital of Strasbourg, France.
| | - Sébastien Weibel
- INSERM U1114, Strasbourg, France; Psychiatry Department, University Hospital of Strasbourg, France
| | | | - Ineke Keizer
- Department of Mental Health and Psychiatry, University Hospitals of Geneva, Switzerland
| | - Marianne Gex-Fabry
- Department of Mental Health and Psychiatry, University Hospitals of Geneva, Switzerland
| | | | - Gilles Bertschy
- INSERM U1114, Strasbourg, France; Psychiatry Department, University Hospital of Strasbourg, France; Translational Medicine Federation, University of Strasbourg, France
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Keizer I, Wahl C, Gex-Fabry M, Croquette P, Humair JP, Aubry JM, Khan AN. Withdrawal symptoms upon a short motivational 26-hour smoking abstinence program in psychiatric patients. Tob Induc Dis 2018. [DOI: 10.18332/tid/84719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Allard L, Turck N, Burkhard PR, Walter N, Rosell A, Gex-Fabry M, Hochstrasser DF, Montaner J, Sanchez JC. Ubiquitin Fusion Degradation Protein 1 as a Blood Marker for the Early Diagnosis of Ischemic Stroke. Biomark Insights 2017. [DOI: 10.1177/117727190700200033] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Background Efficacy of thrombolysis in acute ischemic stroke is strongly related to physician's ability to make an accurate diagnosis and to intervene within 3–6 h after event onset. In this context, the discovery and validation of very early blood markers have recently become an urgent, yet unmet, goal of stroke research. Ubiquitin fusion degradation protein 1 is increased in human postmortem CSF, a model of global brain insult, suggesting that its measurement in blood may prove useful as a biomarker of stroke. Methods Enzyme-linked immunosorbent assay (ELISA) was used to measure UFD1 in plasma and sera in three independent cohorts, European (Swiss and Spanish) and North-American retrospective analysis encompassing a total of 123 consecutive stroke and 90 control subjects. Results Highly significant increase of ubiquitin fusion degradation protein 1 (UFD1) was found in Swiss stroke patients with 71% sensitivity (95% CI, 52–85.8%), and 90% specificity (95% CI, 74.2–98%) ( N = 31, p < 0.0001). Significantly elevated concentration of this marker was then validated in Spanish ( N = 39, p < 0.0001, 95% sensitivity (95% CI, 82.7– 99.4%)), 76% specificity (95% CI, 56.5–89.7%)) and North-American stroke patients ( N = 53, 62% sensitivity (95% CI, 47.9–75.2%), 90% specificity (95% CI, 73.5–97.9%), p < 0.0001). Its concentration was increased within 3 h of stroke onset, on both the Swiss ( p < 0.0001) and Spanish ( p = 0.0004) cohorts. Conclusions UFD1 emerges as a reliable plasma biomarker for the early diagnosis of stroke, and in the future, might be used in conjunction with clinical assessments, neuroimaging and other blood markers.
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Affiliation(s)
- Laure Allard
- Biomedical Proteomics Research Group, Department of Structural Biology and Bioinformatics, Medical University Center, CH-1211 Geneva 4, Switzerland
| | - Natacha Turck
- Biomedical Proteomics Research Group, Department of Structural Biology and Bioinformatics, Medical University Center, CH-1211 Geneva 4, Switzerland
| | - Pierre R. Burkhard
- Neurology Department, Geneva University Hospital, CH-1211 Geneva 14, Switzerland
| | - Nadia Walter
- Biomedical Proteomics Research Group, Department of Structural Biology and Bioinformatics, Medical University Center, CH-1211 Geneva 4, Switzerland
- Biomedical Proteomics Research Group, Central Clinical Chemistry Laboratory, Geneva University Hospital, CH-1211 Geneva 14, Switzerland
| | - Anna Rosell
- Neurovas-cular Research Laboratory, Stroke Unit, Vall d'Hebron Hospital, Barcelona, Spain
| | - Marianne Gex-Fabry
- Clinical Research Unit, Department of Psychiatry, CH-1225 Chêne-Bourg, Switzerland
| | - Denis F. Hochstrasser
- Biomedical Proteomics Research Group, Department of Structural Biology and Bioinformatics, Medical University Center, CH-1211 Geneva 4, Switzerland
- Biomedical Proteomics Research Group, Central Clinical Chemistry Laboratory, Geneva University Hospital, CH-1211 Geneva 14, Switzerland
- Pharmacy Section, Faculty of Sciences, Geneva University
| | - Joan Montaner
- Neurovas-cular Research Laboratory, Stroke Unit, Vall d'Hebron Hospital, Barcelona, Spain
| | - Jean-Charles Sanchez
- Biomedical Proteomics Research Group, Department of Structural Biology and Bioinformatics, Medical University Center, CH-1211 Geneva 4, Switzerland
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Weber B, Sala L, Gex-Fabry M, Docteur A, Gorwood P, Cordera P, Bondolfi G, Jermann F, Aubry JM, Mirabel-Sarron C. Self-Reported Long-Term Benefits of Mindfulness-Based Cognitive Therapy in Patients with Bipolar Disorder. J Altern Complement Med 2017; 23:534-540. [DOI: 10.1089/acm.2016.0427] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Affiliation(s)
- Béatrice Weber
- Mood Disorders Unit, Division of Psychiatric Specialties, Department of Mental Health and Psychiatry, Geneva University Hospitals, Geneva, Switzerland
- Anxiety Disorders Program, Division of Liaison Psychiatry and Crisis Intervention, Department of Mental Health and Psychiatry, Geneva University Hospitals, Geneva, Switzerland
| | - Loretta Sala
- CMME (Hôpital Sainte-Anne), Université Paris Descartes, Paris, France
| | - Marianne Gex-Fabry
- Mood Disorders Unit, Division of Psychiatric Specialties, Department of Mental Health and Psychiatry, Geneva University Hospitals, Geneva, Switzerland
| | - Aurélie Docteur
- CMME (Hôpital Sainte-Anne), Université Paris Descartes, Paris, France
| | - Philip Gorwood
- CMME (Hôpital Sainte-Anne), Université Paris Descartes, Paris, France
- INSERM U894, Center of Psychiatry and Neurosciences, Paris, France
| | - Paolo Cordera
- Anxiety Disorders Program, Division of Liaison Psychiatry and Crisis Intervention, Department of Mental Health and Psychiatry, Geneva University Hospitals, Geneva, Switzerland
| | - Guido Bondolfi
- Anxiety Disorders Program, Division of Liaison Psychiatry and Crisis Intervention, Department of Mental Health and Psychiatry, Geneva University Hospitals, Geneva, Switzerland
| | - Françoise Jermann
- Mood Disorders Unit, Division of Psychiatric Specialties, Department of Mental Health and Psychiatry, Geneva University Hospitals, Geneva, Switzerland
- Anxiety Disorders Program, Division of Liaison Psychiatry and Crisis Intervention, Department of Mental Health and Psychiatry, Geneva University Hospitals, Geneva, Switzerland
| | - Jean-Michel Aubry
- Mood Disorders Unit, Division of Psychiatric Specialties, Department of Mental Health and Psychiatry, Geneva University Hospitals, Geneva, Switzerland
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Nicastro R, Desseilles M, Prada P, Weibel S, Perroud N, Gex-Fabry M. Subjective Distress Associated with Adult ADHD: evaluation of a new self-report. ACTA ACUST UNITED AC 2017; 10:77-86. [PMID: 28601956 DOI: 10.1007/s12402-017-0234-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Accepted: 06/02/2017] [Indexed: 11/28/2022]
Abstract
The current study aims at documenting the psychometric properties of the Subjective Distress Associated with Adult ADHD-Self-Report (SDAAA-SR), a newly developed instrument for the assessment of psychological suffering in ADHD adults. The SDAAA-SR was administered to 247 students and 142 ADHD adults. Factor structure, internal consistency, test-retest reliability, convergent validity and discriminant validity were assessed. Sensitivity to change was examined in a subsample of 25 ADHD patients who participated in a 1-year therapy. The initial pool of 62 items was reduced to 33 items distributed in a three-component structure. Internal consistency was excellent for the "distress due to inattention/disorganization" subscale and good for the "distress due to hyperactivity/impulsivity" and "distress due to self-esteem deficit" subscales. Test-retest reliability in a subsample of 98 students was substantial for all three subscales. ADHD patients scored significantly higher than students on distress due to "inattention/disorganization" and "hyperactivity/impulsivity," but no difference was observed for "self-esteem deficit." The components "inattention/disorganization" and "hyperactivity/impulsivity" displayed moderate to large correlations with the corresponding dimensions of the Adult Self-Report Scale for ADHD (ASRS-V1.1). Distress due to "inattention/disorganization" and "self-esteem deficit" was significantly associated with lower satisfaction with social behaviors (QFS, social functioning questionnaire) and quality of life (WHOQOL-BREF). Distress due to "inattention/disorganization" and "self-esteem deficit" significantly decreased after a 1-year therapy. The SDAAA-SR represents a reliable and valid measure of adult ADHD-associated distress, an important but often undocumented parameter in the clinical setting. Its use as an outcome variable in psychological interventions deserves further investigation.
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Affiliation(s)
- Rosetta Nicastro
- TRE Program, Division of Psychiatric Specialties, Department of Mental Health and Psychiatry, University Hospitals of Geneva, 20 bis rue de Lausanne, 1201, Geneva, Switzerland.
| | | | - Paco Prada
- TRE Program, Division of Psychiatric Specialties, Department of Mental Health and Psychiatry, University Hospitals of Geneva, 20 bis rue de Lausanne, 1201, Geneva, Switzerland
| | - Sébastien Weibel
- TRE Program, Division of Psychiatric Specialties, Department of Mental Health and Psychiatry, University Hospitals of Geneva, 20 bis rue de Lausanne, 1201, Geneva, Switzerland
| | - Nader Perroud
- TRE Program, Division of Psychiatric Specialties, Department of Mental Health and Psychiatry, University Hospitals of Geneva, 20 bis rue de Lausanne, 1201, Geneva, Switzerland
| | - Marianne Gex-Fabry
- TRE Program, Division of Psychiatric Specialties, Department of Mental Health and Psychiatry, University Hospitals of Geneva, 20 bis rue de Lausanne, 1201, Geneva, Switzerland
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Lloret-Linares C, Rollason V, Lorenzini KI, Samer C, Daali Y, Gex-Fabry M, Aubry JM, Desmeules J, Besson M. Screening for genotypic and phenotypic variations in CYP450 activity in patients with therapeutic problems in a psychiatric setting, a retrospective study. Pharmacol Res 2016; 118:104-110. [PMID: 27378571 DOI: 10.1016/j.phrs.2016.07.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Revised: 06/23/2016] [Accepted: 07/01/2016] [Indexed: 02/07/2023]
Abstract
OBJECTIVES This retrospective study aimed to assess to what extent an adverse drug reaction (ADR), an abnormal therapeutic drug monitoring (TDM) or a non-response, was attributable to an abnormal cytochrome P450 activity in a psychiatric setting. METHOD We collected the results of investigations performed in these situations related to psychotropic drugs between January 2005 and November 2014. Activities of different cytochrome P450 were assessed by genotyping and/or phenotyping. Two experienced clinical pharmacologists assessed independently the possible association between the event and the results of the investigations. RESULTS One hundred and thirty eight clinical or biological situations had a complete assessment of all major metabolic pathways of the target drug. A majority of clinical or biological situations were observed with antidepressants (n=93, 67.4%), followed by antipsychotics (n=28, 20.3%), benzodiazepines and hypnotics (n=13, 9.4%), and psychostimulants (n=4, 2.9%). Genotype and/or phenotype determination was mainly performed because of ADRs (n=68, 49.3%) or non-response (n=46, 33.3%). Inter-rate reliability of the scoring system between the pharmacologists was excellent (kappa=0.94). The probability of an association between ADR, TDM or non-response and metabolic status was rated as intermediate to high in 34.7% of all cases, with proportions of 30.4% and 36.7%, for non-response and ADR respectively. CONCLUSION When indicated by clinical pharmacologists, ADR, TDM or non-response may be attributable to a variation of the metabolic status with an intermediate to high probability in 34.7% of patients, based on the congruent assessment made by two clinical pharmacologists. Further studies assessing the clinical relevance of prospective explorations and clarifying the appropriate method according to the clinical context are needed.
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Affiliation(s)
- Célia Lloret-Linares
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva, Switzerland; INSERM UMR-S1144, Paris, France
| | - Victoria Rollason
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva, Switzerland
| | - Kuntheavy Ing Lorenzini
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva, Switzerland
| | - Caroline Samer
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva, Switzerland
| | - Youssef Daali
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva, Switzerland
| | - Marianne Gex-Fabry
- Division of Psychiatric Specialties, Department of Psychiatry and Mental Health, Geneva University Hospitals, Geneva, Switzerland
| | - Jean-Michel Aubry
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva, Switzerland
| | - Jules Desmeules
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva, Switzerland
| | - Marie Besson
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospitals, Geneva, Switzerland.
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Perogamvros L, Aberg K, Gex-Fabry M, Perrig S, Cloninger CR, Schwartz S. Increased Reward-Related Behaviors during Sleep and Wakefulness in Sleepwalking and Idiopathic Nightmares. PLoS One 2015; 10:e0134504. [PMID: 26287974 PMCID: PMC4546110 DOI: 10.1371/journal.pone.0134504] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2015] [Accepted: 07/09/2015] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND We previously suggested that abnormal sleep behaviors, i.e., as found in parasomnias, may often be the expression of increased activity of the reward system during sleep. Because nightmares and sleepwalking predominate during REM and NREM sleep respectively, we tested here whether exploratory excitability, a waking personality trait reflecting high activity within the mesolimbic dopaminergic (ML-DA) system, may be associated with specific changes in REM and NREM sleep patterns in these two sleep disorders. METHODS Twenty-four unmedicated patients with parasomnia (12 with chronic sleepwalking and 12 with idiopathic nightmares) and no psychiatric comorbidities were studied. Each patient spent one night of sleep monitored by polysomnography. The Temperament and Character Inventory (TCI) was administered to all patients and healthy controls from the Geneva population (n = 293). RESULTS Sleepwalkers were more anxious than patients with idiopathic nightmares (Spielberger Trait anxiety/STAI-T), but the patient groups did not differ on any personality dimension as estimated by the TCI. Compared to controls, parasomnia patients (sleepwalkers together with patients with idiopathic nightmares) scored higher on the Novelty Seeking (NS) TCI scale and in particular on the exploratory excitability/curiosity (NS1) subscale, and lower on the Self-directedness (SD) TCI scale, suggesting a general increase in reward sensitivity and impulsivity. Furthermore, parasomnia patients tended to worry about social separation persistently, as indicated by greater anticipatory worry (HA1) and dependence on social attachment (RD3). Moreover, exploratory excitability (NS1) correlated positively with the severity of parasomnia (i.e., the frequency of self-reported occurrences of nightmares and sleepwalking), and with time spent in REM sleep in patients with nightmares. CONCLUSIONS These results suggest that patients with parasomnia might share common waking personality traits associated to reward-related brain functions. They also provide further support to the notion that reward-seeking networks are active during human sleep.
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Affiliation(s)
- Lampros Perogamvros
- Department of Psychiatry, University Hospitals of Geneva, Geneva, Switzerland
- Department of Neuroscience, University of Geneva, Geneva, Switzerland
- Department of Psychiatry, University of Wisconsin, Madison, Wisconsin, United States of America
| | - Kristoffer Aberg
- Department of Neuroscience, University of Geneva, Geneva, Switzerland
- Swiss Center for Affective Sciences, University of Geneva, Geneva, Switzerland
| | - Marianne Gex-Fabry
- Department of Psychiatry, University Hospitals of Geneva, Geneva, Switzerland
| | - Stephen Perrig
- Department of Psychiatry, University Hospitals of Geneva, Geneva, Switzerland
| | - C. Robert Cloninger
- Department of Psychiatry, Washington University School of Medicine, St. Louis, Missouri, United States of America
| | - Sophie Schwartz
- Department of Neuroscience, University of Geneva, Geneva, Switzerland
- Swiss Center for Affective Sciences, University of Geneva, Geneva, Switzerland
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Poncet A, Gencer B, Blondon M, Gex-Fabry M, Combescure C, Shah D, Schwartz PJ, Besson M, Girardin FR. Electrocardiographic screening for drug-induced long qt to reduce sudden cardiac death in Psychiatric patients: a cost-effectiveness analysis. Clin Ther 2015. [DOI: 10.1016/j.clinthera.2015.05.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Poncet A, Gencer B, Blondon M, Gex-Fabry M, Combescure C, Shah D, Schwartz PJ, Besson M, Girardin FR. Correction: Electrocardiographic Screening for Prolonged QT Interval to Reduce Sudden Cardiac Death in Psychiatric Patients: A Cost-Effectiveness Analysis. PLoS One 2015; 10:e0133108. [PMID: 26172274 PMCID: PMC4501759 DOI: 10.1371/journal.pone.0133108] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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18
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Poncet A, Gencer B, Blondon M, Gex-Fabry M, Combescure C, Shah D, Schwartz PJ, Besson M, Girardin FR. Electrocardiographic Screening for Prolonged QT Interval to Reduce Sudden Cardiac Death in Psychiatric Patients: A Cost-Effectiveness Analysis. PLoS One 2015; 10:e0127213. [PMID: 26070071 PMCID: PMC4466505 DOI: 10.1371/journal.pone.0127213] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Accepted: 04/13/2015] [Indexed: 12/28/2022] Open
Abstract
IMPORTANCE Sudden cardiac death is a leading cause of mortality in psychiatric patients. Long QT (LQT) is common in this population and predisposes to Torsades-de-Pointes (TdP) and subsequent mortality. OBJECTIVE To estimate the cost-effectiveness of electrocardiographic screening to detect LQT in psychiatric inpatients. DESIGN, SETTING, AND PARTICIPANTS We built a decision analytic model based on a decision tree to evaluate the cost-effectiveness and utility of LQT screening from a health care perspective. LQT proportion parameters were derived from an in-hospital cross-sectional study. We performed experts' elicitation to estimate the risk of TdP, given extent of QT prolongation. A TdP reduction of 65% after LQT detection was based on positive drug dechallenge rate and through adequate treatment and electrolyte adjustments. The base-case model uncertainty was assessed with one-way and probabilistic sensitivity analyses. Finally, the TdP related mortality and TdP avoidance parameters were varied in a two-way sensitivity analysis to assess their effect on the Incremental Cost-Effectiveness Ratio (ICER). MAIN OUTCOMES AND MEASURES Costs, Quality Ajusted Life Year (QALY), ICER, and probability of cost effectiveness thresholds ($ 10,000, $25,000, and $50,000 per QALY). RESULTS In the base-case scenario, the numbers of patients needed to screen were 1128 and 2817 to avoid one TdP and one death, respectively. The ICER of systematic ECG screening was $8644 (95%CI, 3144-82 498) per QALY. The probability of cost-effectiveness was 96% at a willingness-to-pay of $50,000 for one QALY. In sensitivity analyses, results were sensitive to the case-fatality of TdP episodes and to the TdP reduction following the diagnosis of LQT. CONCLUSION AND RELEVANCE In psychiatric hospitals, performing systematic ECG screening at admission help reduce the number of sudden cardiac deaths in a cost-effective fashion.
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Affiliation(s)
- Antoine Poncet
- Department of Health and Community Medicine, University Hospitals and University of Geneva, rue Gabrielle-Perret-Gentil 4, 1205, Geneva, Switzerland
| | - Baris Gencer
- Cardiology Division, University Hospitals and University of Geneva, rue Gabrielle-Perret-Gentil 4, 1205, Geneva, Switzerland
| | - Marc Blondon
- Department of Internal Medicine, University Hospitals and University of Geneva, rue Gabrielle-Perret-Gentil 4, 1205, Geneva, Switzerland
| | - Marianne Gex-Fabry
- Department of Psychiatry, University Hospitals and University of Geneva, 2 chemin du Petit-Bel-Air, 1225, Chêne-Bourg, Switzerland
| | - Christophe Combescure
- Department of Health and Community Medicine, University Hospitals and University of Geneva, rue Gabrielle-Perret-Gentil 4, 1205, Geneva, Switzerland
| | - Dipen Shah
- Cardiology Division, University Hospitals and University of Geneva, rue Gabrielle-Perret-Gentil 4, 1205, Geneva, Switzerland
| | - Peter J. Schwartz
- Center for Cardiac Arrhythmias of Genetic Origin, IRCCS Istituto Auxologico Italiano, Milano, Italy
| | - Marie Besson
- Department of Anesthesiology, Intensive Care, and Clinical Pharmacology, University Hospitals and University of Geneva, rue Gabrielle-Perret-Gentil 4, 1205, Geneva, Switzerland
| | - François R. Girardin
- Department of Anesthesiology, Intensive Care, and Clinical Pharmacology, University Hospitals and University of Geneva, rue Gabrielle-Perret-Gentil 4, 1205, Geneva, Switzerland
- Medical Directorate, University Hospitals and University of Geneva, rue Gabrielle-Perret-Gentil 4, 1205, Geneva, Switzerland
- Centre for Health Economics, University of York, Heslington,York, United Kingdom
- * E-mail:
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Eytan A, Munyandamutsa N, Nkubamugisha PM, Gex-Fabry M. Long-term mental health outcome in post-conflict settings: Similarities and differences between Kosovo and Rwanda. Int J Soc Psychiatry 2015; 61:363-72. [PMID: 25145869 DOI: 10.1177/0020764014547062] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Few studies investigated the long-term mental health outcome in culturally different post-conflict settings. This study considers two surveys conducted in Kosovo 8 years after the Balkans war and in Rwanda 14 years after the genocide. METHODS All participants (n = 864 in Kosovo; n = 962 in Rwanda) were interviewed using the posttraumatic stress disorder (PTSD) and major depressive episode (MDE) sections of the Mini International Neuropsychiatric Interview (MINI) and the Medical Outcomes Study 36-Item Short-Form Health Survey (SF-36). RESULTS Proportions of participants who met diagnostic criteria for either PTSD or MDE were 33.0% in Kosovo and 31.0% in Rwanda, with co-occurrence of both disorders in 17.8% of the Rwandan sample and 9.5% of the Kosovan sample. Among patients with PTSD, patterns of symptoms significantly differed in the two settings, with avoidance and inability to recall less frequent and sense of a foreshortened future and increased startle response more common in Rwanda. Significant differences were also observed in patients with MDE, with loss of energy and difficulties concentrating less frequent and suicidal ideation more common in Rwanda. Comorbid PTSD and MDE were associated with decreased SF-36 subjective mental and physical health scores in both settings, but significantly larger effects in Kosovo than in Rwanda. CONCLUSION Culturally different civilian populations exposed to mass trauma may differ with respect to their long-term mental health outcome, including comorbidity, symptom profile and health perception.
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Affiliation(s)
- Ariel Eytan
- Department of Mental Health and Psychiatry, University Hospitals of Geneva, Geneva, Switzerland
| | | | | | - Marianne Gex-Fabry
- Department of Mental Health and Psychiatry, University Hospitals of Geneva, Geneva, Switzerland
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Schechter DS, Moser DA, Paoloni-Giacobino A, Stenz L, Gex-Fabry M, Aue T, Adouan W, Cordero MI, Suardi F, Manini A, Sancho Rossignol A, Merminod G, Ansermet F, Dayer AG, Rusconi Serpa S. Methylation of NR3C1 is related to maternal PTSD, parenting stress and maternal medial prefrontal cortical activity in response to child separation among mothers with histories of violence exposure. Front Psychol 2015; 6:690. [PMID: 26074844 PMCID: PMC4447998 DOI: 10.3389/fpsyg.2015.00690] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2015] [Accepted: 05/10/2015] [Indexed: 02/05/2023] Open
Abstract
Prior research has shown that mothers with Interpersonal violence-related posttraumatic stress disorder (IPV-PTSD) report greater difficulty in parenting their toddlers. Relative to their frequent early exposure to violence and maltreatment, these mothers display dysregulation of their hypothalamic pituitary adrenal axis (HPA-axis), characterized by hypocortisolism. Considering methylation of the promoter region of the glucocorticoid receptor gene NR3C1 as a marker for HPA-axis functioning, with less methylation likely being associated with less circulating cortisol, the present study tested the hypothesis that the degree of methylation of this gene would be negatively correlated with maternal IPV-PTSD severity and parenting stress, and positively correlated with medial prefrontal cortical (mPFC) activity in response to video-stimuli of stressful versus non-stressful mother–child interactions. Following a mental health assessment, 45 mothers and their children (ages 12–42 months) participated in a behavioral protocol involving free-play and laboratory stressors such as mother–child separation. Maternal DNA was extracted from saliva. Interactive behavior was rated on the CARE-Index. During subsequent fMRI scanning, mothers were shown films of free-play and separation drawn from this protocol. Maternal PTSD severity and parenting stress were negatively correlated with the mean percentage of methylation of NR3C1. Maternal mPFC activity in response to video-stimuli of mother–child separation versus play correlated positively to NR3C1 methylation, and negatively to maternal IPV-PTSD and parenting stress. Among interactive behavior variables, child cooperativeness in play was positively correlated with NR3C1 methylation. Thus, the present study is the first published report to our knowledge, suggesting convergence of behavioral, epigenetic, and neuroimaging data that form a psychobiological signature of parenting-risk in the context of early life stress and PTSD.
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Affiliation(s)
- Daniel S Schechter
- Geneva Early Childhood Stress Project, Department of Child and Adolescent Psychiatry, Faculty of Medicine, University of Geneva Hospitals Geneva, Switzerland ; Division of Developmental Neuroscience, Department of Psychiatry, Columbia University College of Physicians and Surgeons New York, NY, USA
| | - Dominik A Moser
- Geneva Early Childhood Stress Project, Department of Child and Adolescent Psychiatry, Faculty of Medicine, University of Geneva Hospitals Geneva, Switzerland
| | - Ariane Paoloni-Giacobino
- Department of Genetic Medicine and Development, Faculty of Medicine, University of Geneva Geneva, Switzerland
| | - Ludwig Stenz
- Department of Genetic Medicine and Development, Faculty of Medicine, University of Geneva Geneva, Switzerland
| | - Marianne Gex-Fabry
- Department of Psychiatry, Faculty of Medicine, University of Geneva Hospitals Geneva, Switzerland
| | - Tatjana Aue
- Swiss Center for Affective Sciences, University of Geneva Geneva, Switzerland ; Division of Experimental Psychology and Neuropsychology, Department of Psychology, University of Bern Bern, Switzerland
| | - Wafae Adouan
- Department of Genetic Medicine and Development, Faculty of Medicine, University of Geneva Geneva, Switzerland
| | - María I Cordero
- Geneva Early Childhood Stress Project, Department of Child and Adolescent Psychiatry, Faculty of Medicine, University of Geneva Hospitals Geneva, Switzerland ; Division of Experimental Psychology and Neuropsychology, Department of Psychology, University of Bern Bern, Switzerland ; Faculty of Health, Psychology and Social Care, Manchester Metropolitan University Manchester, UK
| | - Francesca Suardi
- Geneva Early Childhood Stress Project, Department of Child and Adolescent Psychiatry, Faculty of Medicine, University of Geneva Hospitals Geneva, Switzerland
| | - Aurelia Manini
- Geneva Early Childhood Stress Project, Department of Child and Adolescent Psychiatry, Faculty of Medicine, University of Geneva Hospitals Geneva, Switzerland
| | - Ana Sancho Rossignol
- Geneva Early Childhood Stress Project, Department of Child and Adolescent Psychiatry, Faculty of Medicine, University of Geneva Hospitals Geneva, Switzerland
| | - Gaëlle Merminod
- Geneva Early Childhood Stress Project, Department of Child and Adolescent Psychiatry, Faculty of Medicine, University of Geneva Hospitals Geneva, Switzerland
| | - Francois Ansermet
- Geneva Early Childhood Stress Project, Department of Child and Adolescent Psychiatry, Faculty of Medicine, University of Geneva Hospitals Geneva, Switzerland
| | - Alexandre G Dayer
- Geneva Early Childhood Stress Project, Department of Child and Adolescent Psychiatry, Faculty of Medicine, University of Geneva Hospitals Geneva, Switzerland ; Department of Psychiatry, Faculty of Medicine, University of Geneva Hospitals Geneva, Switzerland
| | - Sandra Rusconi Serpa
- Geneva Early Childhood Stress Project, Department of Child and Adolescent Psychiatry, Faculty of Medicine, University of Geneva Hospitals Geneva, Switzerland
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Fleury-Souverain S, Mattiuzzo M, Mehl F, Nussbaumer S, Bouchoud L, Falaschi L, Gex-Fabry M, Rudaz S, Sadeghipour F, Bonnabry P. Evaluation of chemical contamination of surfaces during the preparation of chemotherapies in 24 hospital pharmacies. Eur J Hosp Pharm 2015. [DOI: 10.1136/ejhpharm-2014-000549] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Keizer I, Gex-Fabry M, Bruegger A, Croquette P, Khan AN. Staff representations and tobacco-related practices in a psychiatric hospital with an indoor smoking ban. Int J Ment Health Nurs 2014; 23:171-82. [PMID: 23773346 DOI: 10.1111/inm.12030] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The present study describes representations about smoking and practices related to patient smoking among staff of a large public psychiatric hospital. A survey was performed using a specially designed questionnaire. The return rate was 72.4% (n = 155). A large proportion of staff recognized the importance of both smoking status and mental health for patient's well-being (46.9%), and believed that smoking cessation was possible for psychiatric patients (58.6%). However, the role of the psychiatric hospital was perceived as providing information (85.3%) and helping to diminish cigarette consumption (51%), rather than proposing smoking cessation (29.5%). Staff daily practice included reminding patients of smoking restrictions (43.9%), managing cigarettes (46.5%), and nicotine replacement therapy (24.3%). A principal component analysis of tobacco-related practices revealed two main factors (59.8% of variance): basic hospital actions (factor 1) and more specialized interventions (factor 2), which were significantly associated with higher worries about personally developing smoke-related illnesses (Spearman r = 0.38, P < 0.0001). Compared with non-smokers, smokers reported higher perceived vulnerability to develop an illness due to tobacco and a higher level of worry about this. The discussion highlights the need to redefine roles and expectancies of mental health staff, and improve training and collaboration with experts, in order to improve efficiency concerning tobacco issues.
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Affiliation(s)
- Ineke Keizer
- Department of Mental Health and Psychiatry, University Hospitals of Geneva, Geneva, Switzerland
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Keizer I, Piguet C, Favre S, Aubry JM, Dayer A, Gervasoni N, Gex-Fabry M, Bertschy G. Subjective experience of thought overactivation in mood disorders: beyond racing and crowded thoughts. Psychopathology 2014; 47:174-84. [PMID: 24107841 DOI: 10.1159/000354781] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2013] [Accepted: 08/04/2013] [Indexed: 11/19/2022]
Abstract
BACKGROUND Racing thoughts, crowded thoughts and flight of ideas are frequent symptoms in mood disorders, but the underlying subjective experience of overactivation of thought processes remains poorly documented. METHODS Qualitative analysis of audiotaped interviews explored subjective experience of thought overactivation in patients with mood disorders (sample 1, n = 45). Quantitative analysis considered the properties of a newly developed rating scale in sample 1, in an additional sample of patients with mood disorders (sample 2, n = 37) and in healthy subjects (sample 3, n = 38). RESULTS Qualitative analysis of individual interviews revealed that 5 conceptual categories characterized thought overactivation: sequential thought flow, overstimulation, competition for resource allocation, unexpected/unexplained onset, and association with mood and emotions. A principal component analysis of the initial 16-item rating scale indicated that a single component explained 55.9% of the variance, with major and exclusive contributions from 9 items, which were retained in the final 9-item Subjective Thought Overactivation Questionnaire (STOQ; Cronbach's α = 0.95). Total score correlated significantly with activation, depression and perceived conflict subscales of the Internal State Scale (ISS; rs = 0.57-0.66, p < 0.001). It was associated with decreased well-being (ISS; rs = -0.48, p = 0.001) and increased state anxiety (State-Trait Anxiety Inventory; rs = 0.60, p < 0.001). The STOQ score was significantly higher in patients than in healthy subjects. It allowed distinguishing between ISS mood states, with the highest median score in mixed states. LIMITATIONS Sample size, representativeness, possible bias in qualitative analysis, and quality of expert consensus. CONCLUSIONS Qualitative analysis of clinical interviews, together with a new short rating scale, contributed to a documentation of subjective thought overactivation, an important but often undetected feature in mood disorders.
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Affiliation(s)
- Ineke Keizer
- Division of General Psychiatry, Department of Mental Health and Psychiatry, University Hospitals of Geneva, Geneva, Switzerland
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Abstract
Temperament is considered as a biological disposition reflected by relatively stable features related to mood and reactivity to external and internal stimuli, including variability in emotional reactions. The aim of the present study is to test the hypothesis that affective temperaments might differ according to co-occurring mood disorders among patients with alcohol and/or opiate dependence; to explore the relationship between temperaments and dual substance use disorders (SUDs, alcohol and other drugs). Ninety-two patients attending an alcohol addiction treatment facility and 47 patients in an opiate addiction treatment facility were assessed for SUDs, mood disorders and affective temperaments using the Temperament Evaluation of Memphis, Pisa, Paris and San Diego 39-item auto-questionnaire. Comparison of patients with bipolar disorder, depressive unipolar disorder and no (or substance-induced) mood disorder revealed significant differences for the cyclothymic subscale, with highest scores among patients with bipolar disorder. No difference was observed for the depressive, irritable, hyperthymic and anxious subscales. After adjustment for age, gender and bipolar disorder, irritable temperament was a significant risk factor for past or present history of drug use disorders in patients treated for alcohol addiction (odds ratio [OR] 1.42, 95% confidence interval [CI] 1.05-1.93). Anxious temperament was a significant risk factor for history of alcohol use disorders in patients treated for opiate addiction (OR 3.30, 95% CI 1.36-7.99), whereas the hyperthymic subscale appeared as a significant protective factor (OR 0.65, 95% CI 0.42-0.99). The results highlight the need to consider temperamental aspects in further research to improve the long-term outcome of patient with addictive disorders, who often present complex comorbidity patterns.
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Affiliation(s)
- Yasser Khazaal
- Division of Substance Abuse, Geneva University Hospitals, Grand pré, 70 C, 1206, Geneva, Switzerland,
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Girardin FR, Gex-Fabry M, Berney P, Shah D, Gaspoz JM, Dayer P. Drug-induced long QT in adult psychiatric inpatients: the 5-year cross-sectional ECG Screening Outcome in Psychiatry study. Am J Psychiatry 2013; 170:1468-76. [PMID: 24306340 DOI: 10.1176/appi.ajp.2013.12060860] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECTIVE The authors aimed to determine the prevalence of drug-induced long QT at admission to a public psychiatric hospital and to document the associated factors using a cross-sectional approach. METHOD All ECG recordings over a 5-year period were reviewed for drug-induced long QT (heart-rate corrected QT ≥500 ms and certain or probable drug imputability) and associated conditions. Patients with drug-induced long QT (N=62) were compared with a sample of patients with normal ECG (N=143). RESULTS Among 6,790 inpatients, 27.3% had abnormal ECG, 1.6% had long QT, and 0.9% qualified as drug-induced long QT case subjects. Sudden cardiac death was recorded in five patients, and torsade de pointes was recorded in seven other patients. Relative to comparison subjects, patients with drug-induced long QT had significantly higher frequencies of hypokalemia, hepatitis C virus (HCV) infection, HIV infection, and abnormal T wave morphology. Haloperidol, sertindole, clotiapine, phenothiazines, fluoxetine, citalopram (including escitalopram), and methadone were significantly more frequent in patients with drug-induced long QT. After adjustment for hypokalemia, HCV infection, HIV infection, and abnormal T wave morphology, the effects of haloperidol, clotiapine, phenothiazines, and citalopram (including escitalopram) remained statistically significant. Receiver operating characteristic curve analysis based on the number of endorsed factors per patient indicated that 85.5% of drug-induced long QT patients had two or more factors, whereas 81.1% of patients with normal ECG had fewer than two factors. CONCLUSIONS Drug-induced long QT and arrhythmia propensity substantially increase when specific psychotropic drugs are administered to patients with hypokalemia, abnormal T wave morphology, HCV infection, and HIV infection.
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Premand N, Baeriswyl-Cottin R, Gex-Fabry M, Coraboeuf B, Giannakopoulos P, Eytan A, Bartolomei J. [Psychiatric care for asylum seekers in Geneva: a multidisciplinary approach for individualized care]. Rev Med Suisse 2013; 9:1664-1668. [PMID: 24164015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Asylum seekers constitute a vulnerable population insofar as they are submitted to numerous stress factors which facilitate the emergence of mental disorders, such as low socio-economic status, forced separation from loved ones and exposure to violence. Asylum seekers who consult at our community psychiatry facility usually have short-term residence permits, live in collective housing and do not speak the local language. The most frequent diagnoses are depressive disorder (64.7%) and post-traumatic stress disorder (34.5%). Due to their specific clinical and social situation and to the involvement of several professionals in these situations, a specialized psychiatric intervention coordinated with the rest of the network seems necessary.
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Affiliation(s)
- N Premand
- Centre Ambutlatoire de Psychiatrie et de Psychothérapie, Département de Santé Mentale et de Psychiatrie, HUG, Genève.
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Miguez M, Weber B, Debbané M, Balanzin D, Gex-Fabry M, Raiola F, Barbe RP, Vital Bennour M, Ansermet F, Eliez S, Aubry JM. Screening for bipolar disorder in adolescents with the mood disorder questionnaire-adolescent version (MDQ-A) and the child bipolar questionnaire (CBQ). Early Interv Psychiatry 2013; 7:270-7. [PMID: 22925224 DOI: 10.1111/j.1751-7893.2012.00388.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2011] [Accepted: 05/26/2012] [Indexed: 12/14/2022]
Abstract
AIM Screening instruments for bipolar disorders (BDs) in children and adolescents have been developed recently. The present study examined performances of the French versions of the mood disorder questionnaire-adolescent version (MDQ-A) and child bipolar questionnaire (CBQ) in a sample of in- and outpatients. METHODS Seventy-six adolescents (age 13-18) and parents first completed the MDQ-A (adolescent and parent versions) and CBQ screening instruments. About 3 weeks later, they had a diagnostic interview with the Kiddie-schedule for affective disorders and schizophrenia-present and lifetime (K-SADS-PL), and the adolescent MDQ-A self-report was completed a second time. RESULTS Eight of 76 patients (10.5%) met K-SADS-PL diagnostic criteria for BD. Test-retest reliability of the adolescent MDQ-A self-report was moderate (kappa = 0.66), whereas agreement between adolescent and parent reports was poor (kappa = 0.07). Sensitivity and specificity of the MDQ-A with respect to K-SADS-PL were 75.0% and 57.4% for the adolescent version, and 87.5% and 63.2% for the parent version. Corresponding figures were 50.0% and 73.5% for the CBQ. All three screening instruments had low positive predictive values (17.1% for the MDQ-A adolescent version; 21.9% for the MDQ-A parent version; 18.2% for the CBQ), whereas negative predictive values were higher than 90%. CONCLUSIONS The present study points to modest performances of the MDQ-A and CBQ to detect BDs in adolescents, with diagnostic criteria for BD being unmet for a majority of patients who screened positive.
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Affiliation(s)
- Melissa Miguez
- Office Médico-Pédagogique, Geneva University Hospital, Geneva, Switzerland
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Girardin F, Gex-Fabry M, Berney P, Shah D, Gaspoz JM, Dayer P. PP268—Drug-induced long QT in adult psychiatric inpatients: The 5-year cross-sectional ESOP study. Clin Ther 2013. [DOI: 10.1016/j.clinthera.2013.07.296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Schenkel F, Csajka C, Baglivo E, Kondo-Oestreicher M, Dayer P, Gex-Fabry M, Daali Y. Intraocular penetration of penciclovir after oral administration of famciclovir: a population pharmacokinetic model. J Antimicrob Chemother 2013; 68:1635-41. [PMID: 23539240 DOI: 10.1093/jac/dkt064] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
OBJECTIVES We developed a population model that describes the ocular penetration and pharmacokinetics of penciclovir in human aqueous humour and plasma after oral administration of famciclovir. METHODS Fifty-three patients undergoing cataract surgery received a single oral dose of 500 mg of famciclovir prior to surgery. Concentrations of penciclovir in both plasma and aqueous humour were measured by HPLC with fluorescence detection. Concentrations in plasma and aqueous humour were fitted using a two-compartment model (NONMEM software). Inter-individual and intra-individual variabilities were quantified and the influence of demographics and physiopathological and environmental variables on penciclovir pharmacokinetics was explored. RESULTS Drug concentrations were fitted using a two-compartment, open model with first-order transfer rates between plasma and aqueous humour compartments. Among tested covariates, creatinine clearance, co-intake of angiotensin-converting enzyme inhibitors and body weight significantly influenced penciclovir pharmacokinetics. Plasma clearance was 22.8±9.1 L/h and clearance from the aqueous humour was 8.2×10(-5) L/h. AUCs were 25.4±10.2 and 6.6±1.8 μg·h/mL in plasma and aqueous humour, respectively, yielding a penetration ratio of 0.28±0.06. Simulated concentrations in the aqueous humour after administration of 500 mg of famciclovir three times daily were in the range of values required for 50% growth inhibition of non-resistant strains of the herpes zoster virus family. CONCLUSIONS Plasma and aqueous penciclovir concentrations showed significant variability that could only be partially explained by renal function, body weight and comedication. Concentrations in the aqueous humour were much lower than in plasma, suggesting that factors in the blood-aqueous humour barrier might prevent its ocular penetration or that redistribution occurs in other ocular compartments.
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Affiliation(s)
- Fanny Schenkel
- Clinical Pharmacology and Toxicology Service, Geneva University Hospitals and University of Geneva, Geneva, Switzerland
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Ehret GB, Daali Y, Chabert J, Rebsamen M, Wolff A, Forster A, Moursli F, Fritschy D, Rossier MF, Piguet V, Dayer P, Gex-Fabry M, Desmeules JA. Influence of CYP2D6 activity on pre-emptive analgesia by the N-methyl-D-aspartate antagonist dextromethorphan in a randomized controlled trial of acute pain. Pain Physician 2013; 16:45-56. [PMID: 23340533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
BACKGROUND There is some evidence that dextromethorphan (DM) is effective as a pre-emptive analgesic agent. DM is mainly metabolized to dextrorphan (DOR) by CYP2D6 whose activity can be inhibited by pharmacologic intervention. OBJECTIVES To investigate the efficacy of DM as a pre-emptive analgesic agent and describe the population pharmacokinetics in the presence of normal and poor CYP2D6 metabolism in acute post-operative pain. STUDY DESIGN Double blind, randomized, placebo-controlled trial SETTING Post-surgical analgesic consumption after knee ligament surgery, a setting of acute pain. METHODS Forty patients were randomized to a single oral dose of 50 mg quinidine or placebo, administered 12 hours before 50 mg DM. Patients were genotyped for the major CYP2D6 and ABCB1 variants and phenotyped for CYP2D6 using urine DM/DOR metabolic ratios and blood samples for population pharmacokinetic modeling. RESULTS Quinidine was effective in inhibiting CYP2D6 activity, with 2-fold reduction of DM to DOR biotransformation clearance, prolonged DM half-life, and increased DM systemic availability. Patients in the quinidine group required significantly less often NSAIDs than patients in the placebo group (35.3% vs. 75.0%, P = 0.022). The odds ratio for NSAID consumption in the placebo vs. quinidine group was 5.5 (95% confidence interval (CI) 1.3 - 22.7) at 48 hours after surgery. LIMITATIONS While this study shows an impact of DM on pre-emptive analgesia and is mechanistically interesting, the findings need to be confirmed in larger trials. CONCLUSION CYP2D6 inhibition by quinidine influenced the pre-emptive analgesic effectiveness of DM confirming that CYP2D6 phenotypic switch increases the neuromodulatory effect of oral dextromethorphan.
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Affiliation(s)
- Georg B Ehret
- Division of Clinical Pharmacology and Toxicology & Multidisciplinary Pain Center, Geneva University Hospital, Geneva, Switzerland
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Munyandamutsa N, Mahoro Nkubamugisha P, Gex-Fabry M, Eytan A. Mental and physical health in Rwanda 14 years after the genocide. Soc Psychiatry Psychiatr Epidemiol 2012; 47:1753-61. [PMID: 22402589 DOI: 10.1007/s00127-012-0494-9] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2011] [Accepted: 02/25/2012] [Indexed: 10/28/2022]
Abstract
PURPOSE To examine the socio-demographic determinants of post-traumatic stress disorder (PTSD) and its association with major depressive episode and self-perceived physical and mental health in a large random sample of the Rwandan population 14 years after the 1994 genocide. METHODS Using the Mini International Neuropsychiatric Interview and Medical Outcomes Study 36-Item Short-Form (SF-36) translated in Kinyarwanda, we interviewed 1,000 adult residents from the five provinces of Rwanda. Socio-demographic data and specific somatic symptoms were also recorded. Data analysis included 962 questionnaires. RESULTS Participants were predominantly female (58.9%), aged between 16 and 34 years (53.2%), with a low level of education (79.7% below secondary school). Prevalence of PTSD was estimated to be 26.1%. In multivariable analysis, factors associated with PTSD were being aged between 25 and 34 years, living in extreme poverty, having endured the murder of a close relative in 1994, being widowed or remarried, having lost both parents and living in the South Province. Participants who fulfilled diagnostic criteria for PTSD were significantly more often affected with major depression (68.4 vs. 6.6%, P < 0.001) and substance dependence (7.6 vs. 3.5%, P = 0.013) than respondents without PTSD. They scored significantly lower on all SF-36 subscales. Somatic symptoms such as hiccups, fainting and loss of speech or hearing delineated a specific pattern of post-traumatic stress syndrome. CONCLUSIONS PTSD remains a significant public health problem in Rwanda 14 years after the genocide. Facilitating access to appropriate care for all those who need it should be a national priority.
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Girardin F, Daali Y, Gex-Fabry M, Rebsamen M, Roux-Lombard P, Cerny A, Bihl F, Binek J, Moradpour D, Negro F, Desmeules J. Liver kidney microsomal type 1 antibodies reduce the CYP2D6 activity in patients with chronic hepatitis C virus infection. J Viral Hepat 2012; 19:568-73. [PMID: 22762141 DOI: 10.1111/j.1365-2893.2011.01578.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Liver kidney microsomal type 1 (LKM-1) antibodies have been shown to decrease the CYP2D6 activity in vitro and are present in a minority of patients with chronic hepatitis C infection. We investigated whether LKM-1 antibodies might reduce the CYP2D6 activity in vivo. All patients enrolled in the Swiss Hepatitis C Cohort Study and tested for LKM-1 antibodies were assessed (n = 1723): 10 eligible patients were matched with patients without LKM-1 antibodies. Patients were genotyped for CYP2D6 variants to exclude individuals with a poor metabolizer genotype. CYP2D6 activity was measured by a specific substrate using the dextromethorphan/dextrorphan metabolic ratio to classify patients into four activity phenotypes. All patients had a CYP2D6 extensive metabolizer genotype. The observed phenotype was concordant with the CYP2D6 genotype in most LKM-negative patients, whereas only three LKM-1 positive patients had a concordant phenotype (six presented an intermediate and one a poor metabolizer phenotype). The median DEM/DOR ratio was sixfold higher in LKM-1 positive than in LKM-1 negative patients (0.096 vs. 0.016, P = 0.004), indicating that CYP2D6 metabolic function was significantly reduced in the presence of LKM-1 antibodies. In chronic hepatitis C patients with LKM-1 antibodies, the CYP2D6 metabolic activity was on average reduced by 80%. The impact of LKM-1 antibodies on CYP2D6-mediated drug metabolism pathways warrants further translational studies.
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Affiliation(s)
- F Girardin
- Division of Clinical Pharmacology and Toxicology, University of Geneva, University Hospitals of Geneva, Switzerland.
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Gex-Fabry M, Jermann F, Kosel M, Rossier MF, Van der Linden M, Bertschy G, Bondolfi G, Aubry JM. Salivary cortisol profiles in patients remitted from recurrent depression: one-year follow-up of a mindfulness-based cognitive therapy trial. J Psychiatr Res 2012; 46:80-6. [PMID: 21982583 DOI: 10.1016/j.jpsychires.2011.09.011] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2011] [Revised: 09/02/2011] [Accepted: 09/21/2011] [Indexed: 11/16/2022]
Abstract
Few studies have examined changes of diurnal cortisol profiles prospectively, in relation to non-pharmacological interventions such as mindfulness-based cognitive therapy (MBCT). Fifty-six patients remitted from recurrent depression (≥3 episodes) were included in an 8-week randomized controlled trial comparing MBCT plus treatment as usual (TAU) with TAU for depression relapse prophylaxis. Saliva samples (0, 15, 30, 45, 60 min post-awakening, 3 PM, 8 PM) were collected on six occasions (pre- and post-intervention, 3-, 6-, 9-, 12-month follow-up). Cortisol awakening response (CAR), average day exposure (AUCday) and diurnal slope were analyzed with mixed effects models (248 profiles, 1-6 per patient). MBCT (n = 28) and TAU groups (n = 28) did not significantly differ with respect to baseline variables. Intra-individual variability exceeded inter-individual variability for the CAR (62.2% vs. 32.5%), AUC(day) (30.9% vs. 23.6%) and diurnal slope (51.0% vs. 34.2%). No time, group and time by group effect was observed for the CAR and diurnal slope. A significant time effect (p = 0.003) was detected for AUCday, which was explained by seasonal variations (p = 0.012). Later wake-up was associated with lower CAR (-11.7% per 1-hour later awakening, p < 0.001) and lower AUCday (-4.5%, p = 0.014). Longer depression history was associated with dampened CAR (-15.2% per 10-year longer illness, p = 0.003) and lower AUCday (-8.8%, p = 0.011). Unchanged cortisol secretion patterns following participation in MBCT should be interpreted with regard to large unexplained variability, similar relapse rates in both groups and study limitations. Further research is needed to address the scar hypothesis of diminished HPA activity with a longer, chronic course of depression.
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Affiliation(s)
- Marianne Gex-Fabry
- Department of Mental Health and Psychiatry, Geneva University Hospitals, 2 chemin du Petit-Bel-Air, CH-1225 Chêne-Bourg, Geneva, Switzerland.
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Perroud N, Bondolfi G, Uher R, Gex-Fabry M, Aubry JM, Bertschy G, Malafosse A, Kosel M. Clinical and genetic correlates of suicidal ideation during antidepressant treatment in a depressed outpatient sample. Pharmacogenomics 2011; 12:365-77. [PMID: 21449676 DOI: 10.2217/pgs.10.189] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
AIMS This study investigated clinical and genetic predictors of increasing suicidal ideation during antidepressant treatment. MATERIALS & METHODS A total of 131 depressed outpatients were allocated to four antidepressants (paroxetine, venlafaxine, clomipramine or nefazodone) in a sequential step procedure until remission. Suicidality was assessed using the 10th item of the Montgomery-Asberg Depression Rating Scale (MADRS). A total of 11 candidate genes involved in different mechanisms of antidepressant action were selected for association with increasing suicidality. RESULTS Increasing suicidality correlated with depression severity and higher antidepressant blood levels. Risk of increasing suicidal ideation was higher in subjects taking antidepressants other than paroxetine (odds ratio: 1.11). The strongest genetic predictor was found to be rs1360780 within the FKBP5 gene (p = 2.9 × 10(-5)), followed by 2677G>T in the ABCB1 gene. The rs130058 SNP within the 5-HTR1B gene demonstrated a differential association with increasing suicidal ideation depending on antidepressant type. CONCLUSION Increasing suicidal ideation might be an adverse effect of antidepressants. The involvement of FKBP5 indicates that dysregulation of the hypothalamic-pituitary-adrenal axis is involved in treatment increasing suicidal ideation.
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Affiliation(s)
- Nader Perroud
- Department of Psychiatry, University Hospitals of Geneva, Geneva, Switzerland.
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Eytan A, Gex-Fabry M. Use of healthcare services 8 years after the war in Kosovo: role of post-traumatic stress disorder and depression. Eur J Public Health 2011; 22:638-43. [PMID: 21746748 DOI: 10.1093/eurpub/ckr096] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND The aim of the present study was to examine the use of health-care services and medication, as well as health risk behaviours such as smoking, in relation with post-traumatic stress disorder (PTSD) and major depressive episode (MDE) in post-war Kosovo. METHODS A sample of 864 adults was interviewed in 2007 of which 551 took part in a 2001 survey. They were assessed using the PTSD and MDE sections of the Mini International Neuropsychiatric Interview (MINI) and the Medical Outcomes Study 36-item Short Form Health Survey (SF-36). Use of health-care services, alcohol and tobacco were also recorded. RESULTS Respondents were predominantly female (56.6%) with a median age of 36 years and a primary educational level (44.6%). While 11.9% of participants met diagnostic criteria for PTSD, MDE prevalence was 30.6%. Both PTSD and MDE were significantly associated with lower scores on the SF-36 physical component summary. After adjustment for sex, age, education, unemployment, municipality and SF-36 perceived physical health, no significant association was observed between PTSD and medical visits in the past 12 months, hospitalizations in the past 12 months and use of medication in the past 7 days. Results were similar for MDE, except for a significantly higher frequency of medication use that included psychotropic and other drug classes. CONCLUSION Eight years after the war in Kosovo, poor perceived physical health displayed a long-lasting association with PTSD and MDE and was a major determinant of increased use of health-care services without additional contribution of PTSD per se.
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Affiliation(s)
- Ariel Eytan
- Department of Mental Health and Psychiatry, University Hospitals of Geneva, Switzerland.
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Aubry JM, Jermann F, Gex-Fabry M, Bockhorn L, Van der Linden M, Gervasoni N, Bertschy G, Rossier MF, Bondolfi G. The cortisol awakening response in patients remitted from depression. J Psychiatr Res 2010; 44:1199-204. [PMID: 20471032 DOI: 10.1016/j.jpsychires.2010.04.015] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2009] [Revised: 04/14/2010] [Accepted: 04/14/2010] [Indexed: 10/19/2022]
Abstract
An impressive number of data has been accumulated on dysfunctions of the hypothalamo-pituitary-adrenal (HPA) axis and cortisol hypersecretion in depression. To assess the dynamic HPA functioning, the cortisol awakening response (CAR) is an easily accessible and reliable approach. Some data suggest that elevated CAR in depressed patients has trait-like characteristics. Therefore we investigated whether patients in remission from a depressive episode have elevated CAR compared to control subjects. CAR of thirty-eight patients in remission from depression (11 men, 27 women, age range 24-66) and 52 control participants were analyzed (18 men, 34 women, age range 24-63). All patients had experienced ≥3 previous depressive episodes and were off psychotropic medication since at least 3 months. Saliva samples were collected only once, at home, either on weekend or weekday at 0, 15, 30, 45 and 60 min post-awakening. The area under the curve (AUC) above minimum cortisol concentration displayed large interindividual variability (6.4-fold in remitted patients and 8.1-fold in controls, based on 80% range). Investigation of possible variability factors showed that percent explained variance increased from 3.9% when group was considered alone to 8.8%, 12.3% and 19.2% after adjusting for significant effects of weekday vs. weekend, wake-up time and sleep duration, respectively. According to the latter model, AUC was estimated to be 51% higher in remitted patients than in controls (p = 0.007), while a 21% AUC decrease was associated with a 1-h longer sleep duration (p<0.001). In future studies, detection of between-group differences might benefit from adjusting for sleep duration and other possible confounders.
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Affiliation(s)
- Jean-Michel Aubry
- Department of Psychiatry, Geneva University Hospital, Bipolar Program, 6-8 rue du 31 Décembre, 1207 Geneva, Switzerland.
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Gervasoni N, Legendre-Simon P, Aubry JM, Gex-Fabry M, Bertschy G, Bondolfi G. Early telephone intervention for psychiatric outpatients starting antidepressant treatment. Nord J Psychiatry 2010; 64:265-7. [PMID: 20166864 DOI: 10.3109/08039480903528641] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND The article addresses the hypothesis that early telephone intervention for psychiatric outpatients starting antidepressant treatment would increase compliance with pharmacological treatment and retention time in the study, and thus allow for a more favourable clinical outcome. METHODS The study focuses on 131 depressed outpatients who participated in a study aiming to obtain full remission. Patients who benefited from three early structured telephone interventions (n=81) were compared with participants who benefited from the usual care (n=50) with no clinical contact before the first clinical assessment at 2 weeks. RESULTS The intervention proved to have no significant effect on treatment adherence, attrition rate, exclusion rate for adverse events or improvement of depression severity. It was nevertheless associated with increased retention time in the present study. CONCLUSIONS These results suggest that motivational phone calls may reinforce adhesion in psychiatric patients and provide early opportunities to adapt treatment to individual needs. CLINICAL IMPLICATION These results suggest that motivational phone calls may reinforce adhesion in psychiatric patients and provide early opportunities to adapt treatment to individual needs.
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Affiliation(s)
- Nicola Gervasoni
- Clinique La Métairie, Avenue de Bois-Bougy, CH-1260 Nyon, Switzerland.
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Weber B, Jermann F, Gex-Fabry M, Nallet A, Bondolfi G, Aubry JM. Mindfulness-based cognitive therapy for bipolar disorder: a feasibility trial. Eur Psychiatry 2010; 25:334-7. [PMID: 20561769 DOI: 10.1016/j.eurpsy.2010.03.007] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2009] [Revised: 02/09/2010] [Accepted: 03/11/2010] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND The present open study investigates the feasibility of Mindfulness-based cognitive therapy (MBCT) in groups solely composed of bipolar patients of various subtypes. MBCT has been mostly evaluated with remitted unipolar depressed patients and little is known about this treatment in bipolar disorder. METHODS Bipolar outpatients (type I, II and NOS) were included and evaluated for depressive and hypomanic symptoms, as well as mindfulness skills before and after MBCT. Patients' expectations before the program, perceived benefit after completion and frequency of mindfulness practice were also recorded. RESULTS Of 23 included patients, 15 attended at least four MBCT sessions. Most participants reported having durably, moderately to very much benefited from the program, although mindfulness practice decreased over time. Whereas no significant increase of mindfulness skills was detected during the trial, change of mindfulness skills was significantly associated with change of depressive symptoms between pre- and post-MBCT assessments. CONCLUSIONS MBCT is feasible and well perceived among bipolar patients. Larger and randomized controlled studies are required to further evaluate its efficacy, in particular regarding depressive and (hypo)manic relapse prevention. The mediating role of mindfulness on clinical outcome needs further examination and efforts should be provided to enhance the persistence of meditation practice with time.
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Affiliation(s)
- B Weber
- Geneva University Hospital, Department of Psychiatry, Bipolar Program, 6-8, rue du 31-Décembre, 1207 Geneva, Switzerland
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Bondolfi G, Jermann F, der Linden MV, Gex-Fabry M, Bizzini L, Rouget BW, Myers-Arrazola L, Gonzalez C, Segal Z, Aubry JM, Bertschy G. Depression relapse prophylaxis with Mindfulness-Based Cognitive Therapy: replication and extension in the Swiss health care system. J Affect Disord 2010; 122:224-31. [PMID: 19666195 PMCID: PMC2866251 DOI: 10.1016/j.jad.2009.07.007] [Citation(s) in RCA: 154] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2009] [Revised: 07/02/2009] [Accepted: 07/02/2009] [Indexed: 01/28/2023]
Abstract
BACKGROUND Mindfulness-Based Cognitive Therapy (MBCT) is a group intervention that integrates elements of Cognitive Behavioural Therapy (CBT) with components of mindfulness training to prevent depressive relapse. The efficacy of MBCT compared to Treatment As Usual (TAU), shown in two randomized controlled trials indicates a significant decrease in 1-year relapse rates for patients with at least three past depressive episodes. The present study is the first independent replication trial comparing MBCT+TAU to TAU alone across both language and culture (Swiss health care system). METHODS Sixty unmedicated patients in remission from recurrent depression (>or=3 episodes) were randomly assigned to MBCT+TAU or TAU. Relapse rate and time to relapse were measured over a 60 week observation period. The frequency of mindfulness practices during the study was also evaluated. RESULTS Over a 14-month prospective follow-up period, time to relapse was significantly longer with MBCT+TAU than TAU alone (median 204 and 69 days, respectively), although both groups relapsed at similar rates. Analyses of homework adherence revealed that following treatment termination, the frequency of brief and informal mindfulness practice remained unchanged over 14 months, whereas the use of longer formal meditation decreased over time. LIMITATIONS Relapse monitoring was 14months in duration and prospective reporting of mindfulness practice would have yielded more precise frequency estimates compared to the retrospective methods we utilized. CONCLUSIONS Further studies are required to determine which patient characteristics, beyond the number of past depressive episodes, may predict differential benefits from this therapeutic approach.
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Affiliation(s)
- Guido Bondolfi
- Department of Psychiatry, Geneva University Hospital, Switzerland.
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Tiercy JM, Rathinam SR, Gex-Fabry M, Baglivo E. A shared HLA-DRB1 epitope in the DR beta first domain is associated with Vogt-Koyanagi-Harada syndrome in Indian patients. Mol Vis 2010; 16:353-8. [PMID: 20216938 PMCID: PMC2834567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2010] [Accepted: 03/02/2010] [Indexed: 11/17/2022] Open
Abstract
PURPOSE Vogt-Koyanagi-Harada (VKH) disease and sympathetic ophthalmia (SO) are two distinct entities that share common clinical and histopathological features; however, it remains unknown whether they have a common genetic susceptibility. Several studies have shown an association of human leukocyte antigen (HLA)-DR4 with VKH disease in patients of different ethnic backgrounds. We present in this paper the HLA-DRB1 genotyping analysis of a large cohort of VKH patients from southern India and compare these patients to patients with SO and to healthy individuals from the same geographic area. METHODS VKH patients were diagnosed according to the revised criteria of the International Committee on VKH disease. Patients with granulomatous uveitis after ocular trauma or multiple eye surgeries were diagnosed as having SO. Genomic DNA was extracted from all patients and controls. Samples were analyzed for HLA-DRB1 alleles by reverse polymerase chain reaction (PCR) sequence-specific oligonucleotide (SSO) hybridization on microbeads, using the Luminex technology, and by PCR sequence-specific primers (SSP) typing for DRB1*04 allele determination. Strength of associations was estimated by odds ratios (OR) and 95% confidence intervals (CI) and frequencies were compared using the Fisher's exact test. RESULTS HLA-DRB1 alleles were determined in 94 VKH patients, 39 SO patients, and 112 healthy controls. HLA-DRB1*04 frequency was higher in VKH patients (20.2% versus 10.3% in controls; OR=2.2, p=0.005, pc=0.067). This association was lower than the association of HLA-DRB1*04 frequency in cohorts of patients from different origins. No significant DR4 association with SO was detected. HLA-DRB1*0405 and HLA-DRB1*0410 alleles were significantly increased in VKH patients (8.5% versus 0.9% in controls; OR=10.3, 95% CI=2.34-45.5, p<0.001). These two alleles share the epitope S57-LLEQRRAA (67-74) in the third hypervariable region of the HLA-DR molecule. None of the DRB1 alleles was significantly associated with SO. CONCLUSIONS Based on the association of HLA-DRB1*0405 and HLA-DRB1*0410 alleles with VKH disease, we propose that the epitope S57-LLEQRRAA (67-74) in the third hypervariable region of the HLA-DRbeta1 molecule is the relevant susceptibility epitope. This genetic component seems specific to VKH disease since no correlation could be identified in SO patients. The weaker association with HLA-DR4 in this VKH patient cohort compared to VKH patients from northern India is probably related to the lower frequency of HLA-DRB1*0405 in our study group. The HLA-DRB1 association with susceptibility to VKH syndrome seems weaker in Indian patients compared to Japanese or Hispanic patients, suggesting a different non-HLA immunogenetic background in Indian VKH patients.
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Affiliation(s)
- Jean-Marie Tiercy
- National Reference Laboratory for Histocompatibility, Transplantation Immunology Unit, Geneva University Hospitals and University of Geneva, Geneva, Switzerland
| | - Sivakumar R. Rathinam
- Aravind Eye Hospital & P.G. Institute of Ophthalmology, 1 Anna Nagar, Madurai, India
| | - Marianne Gex-Fabry
- Department of Psychiatry, Division of Adult Psychiatry, Geneva University Hospitals, Geneva, Switzerland
| | - Edoardo Baglivo
- Ophthalmology Department, Geneva University Hospitals, Geneva, Switzerland
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Bondolfi G, Jermann F, Rouget BW, Gex-Fabry M, McQuillan A, Dupont-Willemin A, Aubry JM, Nguyen C. Self- and clinician-rated Montgomery-Asberg Depression Rating Scale: evaluation in clinical practice. J Affect Disord 2010; 121:268-72. [PMID: 19660815 DOI: 10.1016/j.jad.2009.06.037] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2009] [Revised: 06/30/2009] [Accepted: 06/30/2009] [Indexed: 11/26/2022]
Abstract
BACKGROUND Time- and cost-effective self-rating scales of depressive symptoms are particularly valuable for frequent use in large-scale effectiveness trials. The aim of the present study was to examine the psychometric properties of the French version of the self-rated Montgomery-Asberg Depression Rating Scale (MADRS-S) and determine whether it might complement the MADRS in monitoring depression severity and change over time in routine clinical practice. METHODS Sixty-three adult outpatients with a current depressive episode completed the MADRS-S and were interviewed with the MADRS on two occasions, within a 1-month interval. RESULTS All patients readily accepted the MADRS-S. It showed good to excellent internal consistency (Cronbach's alpha 0.85 at Time 1; 0.94 at Time 2). Its factor structure revealed that a single component explained a large proportion of variability (47.0% at Time 1; 68.8% at Time 2). Concurrent validity of the self- and clinician-rated versions was good (Pearson's correlation coefficients for total scores 0.81 at Time 1; 0.91 at Time 2). The MADRS-S was sensitive to change over the 4-week observation period (correlation of 0.71 between change scores on self- and clinician-rated instruments). LIMITATIONS Generalizability is restricted to outpatients with moderate to severe depression, and the MADRS-S ability to measure treatment effects needs to be examined. CONCLUSIONS The present study indicates that the MADRS-S displays favourable psychometric properties and suggests that it might be a valid complement to the MADRS, both in research settings and clinical practice.
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Affiliation(s)
- G Bondolfi
- Geneva University Hospitals, Department of Psychiatry, Division of Adult Psychiatry, Geneva, Switzerland.
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Keizer I, Gex-Fabry M, Eytan A, Bertschy G. Smoking in psychiatric inpatients: association with working status, diagnosis, comorbid substance abuse and history of suicide attempts. Addict Behav 2009; 34:815-20. [PMID: 19362428 DOI: 10.1016/j.addbeh.2009.03.018] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2008] [Revised: 03/05/2009] [Accepted: 03/14/2009] [Indexed: 11/29/2022]
Abstract
The present cross-sectional study investigates the association between smoking and psychopathology (ICD-10 diagnosis), history of suicide attempts and socio-demographic characteristics in a sample of 180 adult hospitalized patients. Results confirmed a high frequency of current smokers (63.3%) and heavy smokers with > or =20 cigarettes/day (47.4%). Smoking was significantly associated with being on invalid pension, social welfare or unemployed (>70% of smokers, p=0.008), a history of suicide attempts (73.2%, p=0.04) and the primary mental health diagnosis (p=0.004). A majority of patients (57.8%) presented at least one comorbid condition. Multivariate logistic regression indicated that disorders due to psychoactive substances, either as a primary diagnosis or as a comorbid condition, were significantly associated with smoking, in addition to significant effects of age group, financial resources and history of suicide attempts. Investigation of health beliefs showed that psychopathology did not compromise a realistic appreciation of smoke-related health risks. These results underline the importance of taking into account socio-demographic factors and substance use comorbidity in designing targeted interventions to reduce smoking in psychiatric patients.
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Affiliation(s)
- Ineke Keizer
- Division of Adult Psychiatry, Department of Psychiatry, HUG-University Hospitals of Geneva, Site de Belle-Idée, Les Voirons, Chemin du Petit Bel-Air 2, Chêne-Bourg, Switzerland.
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Turck N, Vutskits L, Sanchez-Pena P, Robin X, Hainard A, Gex-Fabry M, Fouda C, Bassem H, Mueller M, Lisacek F, Puybasset L, Sanchez JC. A multiparameter panel method for outcome prediction following aneurysmal subarachnoid hemorrhage. Intensive Care Med 2009; 36:107-15. [DOI: 10.1007/s00134-009-1641-y] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2009] [Revised: 07/30/2009] [Accepted: 07/30/2009] [Indexed: 11/28/2022]
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Gex-Fabry M, Bertschy G, Kosel M, Ferrero F. [Current topics in pharmacokinetics and pharmacogenetics of antidepressant drugs]. Rev Med Suisse 2009; 5:1808-1813. [PMID: 19839368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
For antidepressants as well as for other drugs, personalized prescription has become a major challenge, provided the large interindividual variability encountered both at the pharmacokinetic and the efficacy and tolerance levels. Better identification of the numerous relevant factors and quantification of their effects are prerequisites to progress in that direction. On the basis of recent literature, genetic factors are first reviewed, including polymorphisms of genes coding for drug-metabolizing enzymes, transporters and pharmacodynamic target molecules. Current recommendations with respect to therapeutic drug monitoring of antidepressants and use of pharmacogenetic testing are then summarized.
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Affiliation(s)
- M Gex-Fabry
- Service de psychiatrie adulte, Département de psychiatrie, HUG, Chêne-Bourg.
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Alberque C, Gex-Fabry M, Whitaker-Clinch B, Eytan A. The Five-Year Evolution of a Mixed Psychiatric and Somatic Care Unit: A European Experience. Psychosomatics 2009; 50:354-61. [DOI: 10.1176/appi.psy.50.4.354] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Abstract
BACKGROUND Sub-clinical symptoms of psychosis such as hallucinations and delusions, known as positive schizotypy, constitute one of the strongest predictive factors for adult psychotic disorders. Recent cognitive models suggest that the expression of positive schizotypy is associated with depression, anxiety, metacognitive beliefs and self-monitoring deficits. In this study, we present empirical data on the relationships positive schizotypy hold with both emotional and cognitive factors. METHODS A sample of 163 adolescents (77 females) participated in this study (mean age 15.3, 12-18 years). Subjects filled out self-report questionnaires assessing the emotional dimensions of depression and anxiety, as well as metacognitive beliefs. Self-monitoring skills were assessed using an action monitoring paradigm sensitive to dysfunctions associated with psychosis-proneness. Multivariate regression models were employed to examine emotional and cognitive contributions to positive schizotypy during adolescence. RESULTS Analyses revealed that dimensions of depression, anxiety, and metacognitive beliefs significantly correlated with the expression of positive schizotypy. When accounting for the effects of depression and metacognitive beliefs in adolescents reporting hallucinations, self-monitoring dysfunctions seemed to represent a significant factor in the expression of positive schizotypy. CONCLUSION The present results suggest that the expression of positive schizotypy during adolescence is modulated by emotional factors of depression and anxiety, as well as metacognitive beliefs and self-monitoring dysfunctions. The current data lend some evidence that supports the cognitive-developmental account of positive symptom formation before the onset of a psychotic disorder.
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Affiliation(s)
- Martin Debbané
- Service Médico-Pédagogique Research Unit, Department of Psychiatry, University of Geneva School of Medicine, Geneva, Switzerland.
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Gervasoni N, Aubry JM, Gex-Fabry M, Bertschy G, Bondolfi G. Is there a place for tricyclic antidepressants and subsequent augmentation strategies in obtaining remission for patients with treatment resistant depression? Pharmacol Res 2008; 59:202-6. [PMID: 19073260 DOI: 10.1016/j.phrs.2008.11.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2008] [Revised: 11/13/2008] [Accepted: 11/19/2008] [Indexed: 10/21/2022]
Abstract
Major depressive disorder is a worrying mental health problem and obtaining remission from treatment resistant depression (TRD) remains an important clinical issue. Twenty patients (14 women, 6 men) considered as treatment resistant after the fourth step of a seven-step treatment algorithm to obtain remission in major depression received clomipramine 150 mg/day for 1 month (step 5). In case of failure, two subsequent augmentation strategies with lithium and lithium plus triiodothyronine (T3) were implemented. Median Montgomery-Asberg Depression Rating Scale (MADRS) score at initiation of clomipramine treatment was 29 (range 8-43). Treatment with clomipramine alone allowed five patients to achieve sustained remission (MADRS < or = 8), while three patients were responders (MADRS decrease > or = 50%) and three patients were partial responders (MADRS decrease > 25%). Lithium augmentation in 10 patients led to one additional remission, whereas no additional remission was observed in 6 patients with further T3 augmentation. Tricyclic antidepressants have demonstrated efficacy in TRD. The present study suggests that treatment with clomipramine might allow obtaining remission in some patients who do not fully respond despite multiple interventions.
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Thorens G, Gex-Fabry M, Zullino DF, Eytan A. Attitudes toward psychopharmacology among hospitalized patients from diverse ethno-cultural backgrounds. BMC Psychiatry 2008; 8:55. [PMID: 18613960 PMCID: PMC2478676 DOI: 10.1186/1471-244x-8-55] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2008] [Accepted: 07/09/2008] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Biological factors influencing individual response to drugs are being extensively studied in psychiatry. Strikingly, there are few studies addressing social and cultural differences in attitudes toward psychotropic medications. The objective of this study was to investigate ethno-culturally determined beliefs, expectations and attitudes toward medication among a sample of hospitalized psychiatric patients. METHODS An ad hoc questionnaire was designed to assess patients' expectations, attitudes and prejudice toward medication. The study included 100 adult patients hospitalized in Geneva, Switzerland. RESULTS Patients were in majority male (63%), originated from Switzerland (54%) and spoke the local language fluently (93%). They took on the average 3 different psychotropic drugs. Sixty-eight percent of patients expected side effects and 60% were ready to stop medication because of them. Thirty percent of patients expected negative personal changes with treatment and 34% thought that their mental disorder could have been treated without drugs. Thirty six percent of the sample used alternative or complementary medicines. 35% of immigrant patients believed that medication had different effects on them than on local patients. When compared with Swiss patients, they more often reported that significant others had an opinion about medication (p = 0.041) and more frequently valued information provided by other patients about treatment (p = 0.010). CONCLUSION Patients' attitudes toward medication should be investigated in clinical practice, as specific expectations and prejudice exist. Targeted interventions, especially for immigrant patients, might improve adherence.
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Affiliation(s)
- Gabriel Thorens
- Department of Psychiatry, Division of Penitentiary Psychiatry, University Hospitals of Geneva, Switzerland.
| | - Marianne Gex-Fabry
- Department of Psychiatry, Division of Adult Psychiatry, University Hospitals of Geneva, Switzerland
| | - Daniele F Zullino
- Department of Psychiatry, Division of Substance Abuse, University Hospitals of Geneva, Switzerland
| | - Ariel Eytan
- Department of Psychiatry, Division of Penitentiary Psychiatry, University Hospitals of Geneva, Switzerland
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Ansermot N, Rebsamen M, Chabert J, Fathi M, Gex-Fabry M, Daali Y, Besson M, Rossier M, Rudaz S, Hochstrasser D, Dayer P, Desmeules J. Influence of ABCB1 gene polymorphisms and P-glycoprotein activity on cyclosporine pharmacokinetics in peripheral blood mononuclear cells in healthy volunteers. Drug Metab Lett 2008; 2:76-82. [PMID: 19356075 DOI: 10.2174/187231208784040951] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The calcineurin inhibitor cyclosporine is removed from lymphocytes by the drug efflux transporter P-glycoprotein (P-gp) encoded by the ABCB1 gene for which several single nucleotide polymorphisms (SNPs) have been identified. Of a total of 87 healthy volunteers genotyped for ABCB1 G2677T/A and C3435T SNPs, 10 GG-CC and 9 TT-TT individuals were selected and received a single oral dose of cyclosporine. Peripheral blood mononuclear cell (PBMC) ABCB1 mRNA expression, P-gp activity in CD4(+) and CD8(+) cells and the 24h cyclosporine pharmacokinetics in PBMCs and whole blood were determined. No correlation was observed between cyclosporine PBMC and whole blood levels (AUC(0-24), Spearman, r(S)=0.09, p=0.71). Intraindividual PBMC and whole blood levels followed parallel profiles that did not significantly differ with respect to t(max) (Wilcoxon, p=0.53) and t((1/2)) (p=0.49). Significant negative correlations between cyclosporine t((1/2)) in PBMCs and P-gp activity in CD4(+) (r(S)=-0.82, p=0.007) and CD8(+) (r(S)=-0.72, p=0.03) were observed among TT-TT subjects. Similarly, a negative correlation was detected in the GG-CC group between P-gp activity in CD4(+) and cyclosporine PBMC AUC(0-24) (r(S)=-0.69, p=0.03), as well as PBMC to whole blood AUC(0-24) ratio (r(S)=-0.60, p=0.07). Tested ABCB1 genotypes had no influence on cyclosporine pharmacokinetic parameters in PBMCs and whole blood. The haplotypes investigated were neither significantly correlated with PBMC ABCB1 mRNA expression nor with P-gp activity in CD4(+) and CD8(+). In conclusion, cyclosporine PBMC pharmacokinetics was influenced by P-gp activity and cyclosporine whole blood concentrations did not predict PBMC drug levels, suggesting that despite values in the therapeutic range, some subjects could have inadequate intracellular drug levels.
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Affiliation(s)
- Nicolas Ansermot
- Division of Clinical Pharmacology and Toxicology, University Hospitals of Geneva, Rue Micheli-du-Crest 24, Geneva 14, Switzerland
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Bertschy G, Gervasoni N, Favre S, Liberek C, Ragama-Pardos E, Aubry JM, Gex-Fabry M, Dayer A. Frequency of dysphoria and mixed states. Psychopathology 2008; 41:187-93. [PMID: 18337629 DOI: 10.1159/000120987] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2006] [Accepted: 07/03/2007] [Indexed: 11/19/2022]
Abstract
BACKGROUND Mixed states are a complex entity in the field of mood disorders. Dysphoria has been advocated as an important clinical dimension of mixed states. The objective of this work is to study the frequency of dysphoria within a population of patients with DSM-IV major depressive and/or manic episodes and to determine if it may help establish diagnostic criteria for subthreshold cases of depressive or manic mixed states. SAMPLING AND METHODS A total of 165 patients were assessed using the Mini International Neuropsychiatric Interview complemented by a section defining dysphoria as a constellation of 3 among 4 symptoms (inner tension, irritability, aggressive behavior and hostility). RESULTS When classifying patients according to the number of symptoms of the opposite polarity, changes in the frequency of dysphoria revealed a clear contrast between the 2 opposite manic and depressive poles and the full mixed state (DSM-IV definition). The frequency of dysphoria was 17.5% in pure depression, 22.7% in pure mania and 73.3% in full mixed state. Two threshold effects were identified: (1) the frequency of dysphoria increased from 17.5 to 61.1% (p = 0.002) when the number of manic symptoms in DSM-IV depressed patients increased from 0 to 1, and (2) dysphoria increased from 14.3 to 69.2% (p = 0.057) when the number of depressive symptoms increased from 2 to 3 in DSM-IV manic patients. CONCLUSION Dysphoria is strongly but not necessarily associated with mixed states. When used as a clinical marker for mixed states, dysphoria confirms the modern delimitations of sub-threshold mixed states by specifying the required number of symptoms of the opposite polarity (which could be lower for depressive mixed states than for manic mixed states). The study has limitations related to the inclusion of patients who are not drug-free, to the definition of dysphoria and to the sample size.
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Affiliation(s)
- G Bertschy
- Division of Adult Psychiatry, Department of Psychiatry, University Hospitals of Geneva, Geneva, Switzerland.
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