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Noe G, Shah K, Cinderella M, Munjal S. Multiple Medication Use Resulting in Serotonin Syndrome With Deprescribing Resulting in Acute Dystonia. J Clin Psychopharmacol 2024; 44:326-328. [PMID: 38489596 DOI: 10.1097/jcp.0000000000001831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/17/2024]
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Michail A, Almirza M, Alwaely F, Arany S. Anticholinergic burden of medications is associated with dry mouth and reflected in minor labial gland secretion. Arch Oral Biol 2023; 156:105824. [PMID: 37865013 PMCID: PMC10841478 DOI: 10.1016/j.archoralbio.2023.105824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 10/10/2023] [Accepted: 10/12/2023] [Indexed: 10/23/2023]
Abstract
OBJECTIVE Medications with anticholinergic potential inhibit saliva secretion. Polypharmacy potentiates anticholinergic burden, causing dry mouth symptoms and chronic deterioration of oral health. Patients of any age can be affected by anticholinergic medication-triggered hyposalivation (the objective measure of dry mouth); therefore, seeking predictions of hyposalivation to screen dry mouth is needed. DESIGN In our prospective, cross-sectional clinical study, 55 middle-aged adult patients participated. We examined whether the anticholinergic burden calculated from anticholinergic medications (anticholinergic drug score; ADS) and blood serum anticholinergic activity (SAA; the gold standard measure of anticholinergic burden) is associated with hyposalivation. As no prior studies measured minor salivary glands regarding the quantifiable anticholinergic burden, we assessed hyposalivation by the minor saliva flow (MSF) and unstimulated whole saliva (UWS) secretion. RESULTS Our data showed a negative linear relationship between SAA and UWS (p < 0.05); when SAA increases by one pmol/ml unit, the saliva flow decreases by 0.058 ml/min. MSF showed a linear correlation (p < 0.005) with UWS. In a multivariate logistic regression model (including age, gender, race, smoking status, xerostomia severity, ADS, and BMI), we identified SAA and age as predictors of hyposalivation (p < 0.05). CONCLUSIONS We provide evidence for the significant relationship between measurable anticholinergic burden and saliva flow. The correlation between UWS and MSF suggests that both saliva flow rate measurement methods could reflect anticholinergics-induced changes in salivary health.
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Affiliation(s)
- Abdallah Michail
- General Dentistry, Department of Dentistry, Eastman Institute of Oral Health, University of Rochester, 625 Elmwood Avenue, Rochester, NY 14620, USA
| | - Mohammed Almirza
- General Dentistry, Department of Dentistry, Eastman Institute of Oral Health, University of Rochester, 625 Elmwood Avenue, Rochester, NY 14620, USA
| | - Furqan Alwaely
- General Dentistry, Department of Dentistry, Eastman Institute of Oral Health, University of Rochester, 625 Elmwood Avenue, Rochester, NY 14620, USA; Specialty Care Clinic, Eastman Institute of Oral Health, University of Rochester, 625 Elmwood Avenue, Rochester, NY 14620, USA
| | - Szilvia Arany
- Specialty Care Clinic, Eastman Institute of Oral Health, University of Rochester, 625 Elmwood Avenue, Rochester, NY 14620, USA.
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Tamblyn R, Bates DW, Buckeridge DL, Dixon WG, Girard N, Haas JS, Habib B, Iqbal U, Li J, Sheppard T. Multinational Investigation of Fracture Risk with Antidepressant Use by Class, Drug, and Indication. J Am Geriatr Soc 2020; 68:1494-1503. [PMID: 32181493 PMCID: PMC7383967 DOI: 10.1111/jgs.16404] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 02/04/2020] [Accepted: 02/11/2020] [Indexed: 02/01/2023]
Abstract
OBJECTIVES Antidepressants increase the risk of falls and fracture in older adults. However, risk estimates vary considerably even in comparable populations, limiting the usefulness of current evidence for clinical decision making. Our aim was to apply a common protocol to cohorts of older antidepressant users in multiple jurisdictions to estimate fracture risk associated with different antidepressant classes, drugs, doses, and potential treatment indications. DESIGN Retrospective (2009–2014) cohort study. SETTING Five jurisdictions in the United States, Canada, United Kingdom, and Taiwan. PARTICIPANTS Older antidepressant users—subjects were followed from first antidepressant prescription or dispensation to first fracture or until the end of follow‐up. MEASUREMENTS The risk of fractures with antidepressants was estimated by multivariable Cox proportional hazards models using time‐varying measures of antidepressant dose and use vs nonuse, adjusting for patient characteristics. RESULTS Between 42.9% and 55.6% of study cohorts were 75 years and older, and 29.3% to 45.4% were men. Selective serotonin reuptake inhibitors (SSRIs) (48.4%‐60.0%) were the predominant class used in North America compared with tricyclic antidepressants (TCAs) in the United Kingdom and Taiwan (49.6%‐53.6%). Fracture rates varied from 37.67 to 107.18 per 1,000. The SSRIs citalopram (hazard ratio [HR] = 1.23; 95% confidence interval [CI] = 1.11‐1.36 to HR = 1.43; 95% CI = 1.11‐1.84) and sertraline (HR = 1.36; 95% CI = 1.10‐1.68), the SNRI duloxetine (HR = 1.41; 95% CI = 1.06‐1.88), TCAs doxepin (HR = 1.36; 95% CI = 1.00‐1.86) and imipramine (HR = 1.16; 95% CI = 1.05‐1.28), and atypicals (HR = 1.34; 95% CI = 1.14‐1.58) increased fracture risk in some but not all jurisdictions. In the United States and the United Kingdom, fracture risk with all classes was higher when prescribed for depression than chronic pain, a trend that is likely explained by drug choice. CONCLUSION The fracture risk for patients may be reduced by selecting paroxetine, an SSRI with lower risk than citalopram, the SNRI venlafaxine over duloxetine, and the TCA amitriptyline over imipramine or doxepin. There is uncertainty about the risk associated with the atypical antidepressants. J Am Geriatr Soc 68:1494‐1503, 2020.
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Affiliation(s)
- Robyn Tamblyn
- Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Canada.,Department of Medicine, McGill University Health Center, Montreal, Quebec, Canada.,Clinical and Health Informatics Research Group, McGill University, Montreal, Quebec, Canada
| | | | - David L Buckeridge
- Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Canada.,Clinical and Health Informatics Research Group, McGill University, Montreal, Quebec, Canada
| | - William G Dixon
- Centre for Epidemiology versus Arthritis, Centre for Musculoskeletal Research, Manchester Academic Health Science Centre, The University of Manchester, Manchester, UK
| | - Nadyne Girard
- Clinical and Health Informatics Research Group, McGill University, Montreal, Quebec, Canada
| | | | - Bettina Habib
- Clinical and Health Informatics Research Group, McGill University, Montreal, Quebec, Canada
| | - Usman Iqbal
- International Center for Health Information Technology (ICHIT), Taipei Medical University, Taipei, Taiwan.,Master's Program in Global Health and Development, PhD Program in Global Health and Health Security, College of Public Health, Taipei Medical University, Taipei, Taiwan
| | - Jack Li
- International Center for Health Information Technology (ICHIT), Taipei Medical University, Taipei, Taiwan.,Graduate Institute of Biomedical Informatics, College of Medicine Science and Technology, Taipei Medical University, Taipei, Taiwan.,Department of Dermatology, Taipei Wanfang Hospital, Taipei, Taiwan
| | - Therese Sheppard
- Centre for Epidemiology versus Arthritis, Centre for Musculoskeletal Research, Manchester Academic Health Science Centre, The University of Manchester, Manchester, UK
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Bhattacharjee S, Lee JK, Patanwala AE, Vadiei N, Malone DC, Knapp SM, Lo-Ciganic WH, Burke WJ. Extent and Predictors of Potentially Inappropriate Antidepressant Use Among Older Adults With Dementia and Major Depressive Disorder. Am J Geriatr Psychiatry 2019; 27:794-805. [PMID: 30926273 PMCID: PMC6646083 DOI: 10.1016/j.jagp.2019.02.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 02/01/2019] [Accepted: 02/04/2019] [Indexed: 01/25/2023]
Abstract
OBJECTIVE To quantify the extent and identify predictors of potentially inappropriate antidepressant use among older adults with dementia and newly diagnosed major depressive disorders (MDD). METHODS This retrospective cohort study included older adults (aged ≥65 years) with dementia and newly diagnosed MDD using Medicare 5% sample claims data (2012-2013). Based on Healthcare Effectiveness Data and Information Set guidelines, intake period for new antidepressant medication use was from May 1, 2012, through April 30, 2013. Index prescription start date was the first date of antidepressant prescription claim during the intake period. Dependent variable of this study was potentially inappropriate antidepressant use as defined by the Beers Criteria and the Screening Tool of Older Persons' potentially inappropriate Prescriptions criteria. The authors conducted multiple logistic regression analysis to identify individual-level predictors of potentially inappropriate antidepressant use. RESULTS The authors' final study sample consisted of 7,625 older adults with dementia and newly diagnosed MDD, among which 7.59% (N = 579) initiated treatment with a potentially inappropriate antidepressant. Paroxetine (N = 394) was the most commonly initiated potentially inappropriate antidepressant followed by amitriptyline (N = 104), nortriptyline (N = 35), and doxepin (N = 32). Initiation of a potentially inappropriate antidepressant was associated with age and baseline use of anxiolytic medications. CONCLUSION More than 7% of older adults in the study sample initiated a potentially inappropriate antidepressant, and the authors identified a few individual-level factors significantly associated with it. Appropriately tailored interventions to address modifiable and nonmodifiable factors significantly associated with potentially inappropriate antidepressant prescribing are required to minimize risks in this vulnerable population.
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Affiliation(s)
- Sandipan Bhattacharjee
- Department of Pharmacy Practice and Science (SB, JKL, NV, DCM), College of Pharmacy, University of Arizona, Tucson, AZ.
| | - Jeannie K Lee
- Department of Pharmacy Practice and Science (SB, JKL, NV, DCM), College of Pharmacy, University of Arizona, Tucson, AZ
| | - Asad E Patanwala
- University of Sydney School of Pharmacy (AEP), Royal Prince Alfred Hospital, Faculty of Medicine and Health, University of Sydney, NSW, Australia
| | - Nina Vadiei
- Department of Pharmacy Practice and Science (SB, JKL, NV, DCM), College of Pharmacy, University of Arizona, Tucson, AZ
| | - Daniel C Malone
- Department of Pharmacy Practice and Science (SB, JKL, NV, DCM), College of Pharmacy, University of Arizona, Tucson, AZ
| | - Shannon M Knapp
- Statistics Consulting Laboratory (SMK), Bio5 Institute, University of Arizona, Tucson, AZ
| | - Wei-Hsuan Lo-Ciganic
- Department of Pharmaceutical Outcomes & Policy (WHLC), College of Pharmacy, University of Florida, Gainesville, FL
| | - William J Burke
- Banner Alzheimer's Institute (WJB), Phoenix; University of Arizona College of Medicine (WJB), Phoenix; Arizona Alzheimer's Consortium (WJB), Phoenix
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Nelson JC. Comments on the Use of "Inappropriate" Antidepressants in Older Adults With Dementia and Major Depressive Disorder. Am J Geriatr Psychiatry 2019; 27:806-808. [PMID: 30904261 DOI: 10.1016/j.jagp.2019.02.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 02/25/2019] [Indexed: 11/29/2022]
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Tamblyn R, Bates DW, Buckeridge DL, Dixon W, Forster AJ, Girard N, Haas J, Habib B, Kurteva S, Li J, Sheppard T. Multinational comparison of new antidepressant use in older adults: a cohort study. BMJ Open 2019; 9:e027663. [PMID: 31092665 PMCID: PMC6530307 DOI: 10.1136/bmjopen-2018-027663] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
OBJECTIVES We used an international pharmacosurveillance network to estimate the rate and characteristics of antidepressant use in older adults in countries with more conservative (UK) and liberal depression guidelines (Canada, USA). SETTING Electronic health records and population-based administrative data from six jurisdictions in four countries (UK, Taiwan, USA and Canada). PARTICIPANTS A historical cohort of older adults (≥65 years) who had a new episode of antidepressant use between 2009 and 2014. OUTCOME MEASURES The age and sex-standardised cumulative incidence of new episodes of antidepressant use in older adults was measured. Descriptive statistics were used to compare the proportion of new users by the antidepressant prescribed, therapeutic class, potential treatment indication and country, as well as the characteristics of the first treatment episode (standardised daily doses, duration and changes). RESULTS The incidence of antidepressant use between 2009 and 2014 varied from 4.7% (Montreal and Quebec City) to 18.6% (Taiwan). Tricyclic antidepressants (TCAs) were the most commonly used class in the UK (48.8%) and Taiwan (52.4%) compared with selective serotonin reuptake inhibitors (SSRIs) in North American jurisdictions (42.3%-53.3%). Chronic pain was the most common potential treatment indication (41.2%-68.2%). Among users with chronic pain, TCAs were used most frequently in the UK and Taiwan (55.2%-60.4%), whereas SSRIs were used most frequently in North America (33.5%-46.4%). Treatment was longer (252-525 vs 169-437 days), standardised doses were higher (0.7-1.3 vs 0.5-1.0) and treatment was more likely to be changed (31%-46% vs 21%-34%) among patients with depression (9.1%-43%) than those with chronic pain. CONCLUSION Antidepressant use in older adults varied 24-fold by country, with the UK, which has the most conservative treatment guidelines, being among the lowest. Chronic pain was the most common potential treatment indication. Evaluation of real-world risks of TCAs is a priority for future research, given high rates of use and the potential for increased toxicity in older adults because of potent anticholinergic effects.
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Affiliation(s)
- Robyn Tamblyn
- Department of Medicine and Department of Epidemiology and Biostatistics, McGill University, Montreal, Quebec, Canada
| | | | - David L Buckeridge
- Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Canada
- Direction de santé publique, Agence de la Santé et des services Sociaux de Montréal, Montreal, Quebec, Canada
| | - Will Dixon
- Arthritis Research UK Centre for Epidemiology, University of Manchester, Manchester, UK
| | - Alan J Forster
- Internal Medicine, The Ottawa Hospital, Ottawa, Ontario, Canada
- Clinical Epidemiology Program, The Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Nadyne Girard
- Clinical and Health Informatics Research Group, McGill University, Montreal, Quebec, Canada
| | - Jennifer Haas
- Department of Medicine, Brigham and Women’s Hospital, Boston, Massachusetts, USA
| | - Bettina Habib
- Clinical and Health Informatics Research Group, McGill University, Montreal, Quebec, Canada
| | - Siyana Kurteva
- Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Canada
| | - Jack Li
- Graduate Institute of Biomedical Informatics, Taipei Medical University, Taipei, Taiwan
| | - Therese Sheppard
- Department of Medicine, University of Manchester, Manchester, UK
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Tan ECK, Lexomboon D, Sandborgh‐Englund G, Haasum Y, Johnell K. Medications That Cause Dry Mouth As an Adverse Effect in Older People: A Systematic Review and Metaanalysis. J Am Geriatr Soc 2017; 66:76-84. [DOI: 10.1111/jgs.15151] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Edwin C. K. Tan
- Centre for Medicine Use and Safety Faculty of Pharmacy and Pharmaceutical Sciences Monash University Melbourne Australia
- Aging Research Center Center for Alzheimer Research Department of Neurobiology Care Sciences and Society Karolinska Institutet and Stockholm University Stockholm Sweden
| | - Duangjai Lexomboon
- Department of Health Science Karlstad University Karlstad Sweden
- Academic Center for Geriatric Dentistry Stockholm Sweden
| | - Gunilla Sandborgh‐Englund
- Academic Center for Geriatric Dentistry Stockholm Sweden
- Department of Dental Medicine Karolinska Institutet Stockholm Sweden
| | - Ylva Haasum
- Aging Research Center Center for Alzheimer Research Department of Neurobiology Care Sciences and Society Karolinska Institutet and Stockholm University Stockholm Sweden
| | - Kristina Johnell
- Aging Research Center Center for Alzheimer Research Department of Neurobiology Care Sciences and Society Karolinska Institutet and Stockholm University Stockholm Sweden
- Academic Center for Geriatric Dentistry Stockholm Sweden
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Lampela P, Paajanen T, Hartikainen S, Huupponen R. Central Anticholinergic Adverse Effects and Their Measurement. Drugs Aging 2015; 32:963-74. [DOI: 10.1007/s40266-015-0321-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Abstract
The elderly frequently have changes in pharmacokinetics, sensitivity to medications, homeostatic reserve (ability to tolerate physiological challenges), exposure to multiple medications, and adherence. All of these age-associated factors can potentially influence total exposure to medication, adverse effects, and subsequent treatment outcome. Most clinical trials are performed with healthy, younger adults. Extrapolating the results of these trials to the elderly may be inappropriate, particularly for the antidepressant treatment of depression. The authors review these age-associated differences and discuss their implications for antidepressant use in older adults.
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Affiliation(s)
- Francis E Lotrich
- Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, 3811 O'Hara Street, Pittsburgh, PA 15213, USA.
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Culang-Reinlieb ME, Sneed JR, Keilp JG, Roose SP. Change in cognitive functioning in depressed older adults following treatment with sertraline or nortriptyline. Int J Geriatr Psychiatry 2012; 27:777-84. [PMID: 21919060 PMCID: PMC3391314 DOI: 10.1002/gps.2783] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2011] [Accepted: 07/14/2011] [Indexed: 11/06/2022]
Abstract
OBJECTIVE The aim of this study was to compare the impact of nortriptyline to sertraline on change in cognitive functioning in depressed older adults. METHODS We used pre-post neuropsychological data collected as part of a 12-week medication trial comparing sertraline to nortriptyline in the treatment of older adults with non-psychotic, unipolar major depression to examine change in cognitive functioning. Neuropsychological assessments included mental status (Mini-Mental Status Exam), psychomotor speed (Purdue Pegboard), attention (Continuous Performance Test, Trail Making Test A), executive functioning (Stroop Color/word Test, Trail Making Test B), and memory (Buschke Selective Reminding Test). RESULTS Within treatment groups, patients treated with sertraline improved only on verbal learning. This change did not depend on responder status. Between treatment groups, patients treated with sertraline improved more in verbal learning compared with patients treated with nortriptyline. Looking at change in cognition as a function of medication condition and responder status revealed that sertraline responders improved more in verbal learning compared with nortriptyline responders but not more than sertraline non-responders or nortriptyline non-responders. Nortriptyline responders were the only treatment by responder status group to show no improvement in verbal learning from baseline to endpoint. CONCLUSIONS Unexpectedly, nortriptyline responders showed no improvement in verbal learning as compared with patients treated with sertraline or nortriptyline non-responders. However, given the small sample sizes and number of statistical tests (potential for type 1 error), replication is warranted.
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Affiliation(s)
| | - Joel R. Sneed
- Queens College, City University of New York,Columbia University and the New York State Psychiatric Institute
| | - John G. Keilp
- Columbia University and the New York State Psychiatric Institute
| | - Steven P. Roose
- Columbia University and the New York State Psychiatric Institute
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Roose S, Deuschle M. Depression and cardiovascular disorders. HANDBOOK OF CLINICAL NEUROLOGY 2012; 106:541-556. [PMID: 22608643 DOI: 10.1016/b978-0-444-52002-9.00032-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Affiliation(s)
- Steven Roose
- Department of Psychiatry, Columbia University, New York, NY, USA
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Gerretsen P, Pollock BG. Drugs with anticholinergic properties: a current perspective on use and safety. Expert Opin Drug Saf 2011; 10:751-65. [DOI: 10.1517/14740338.2011.579899] [Citation(s) in RCA: 110] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Chemali Z, Chahine LM, Fricchione G. The use of selective serotonin reuptake inhibitors in elderly patients. Harv Rev Psychiatry 2009; 17:242-53. [PMID: 19637073 DOI: 10.1080/10673220903129798] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Depression is common among the elderly, and several factors need to be taken into account in selecting the appropriate antidepressant in this age group. Various physiologic changes occur in individuals as they age, potentially leading to changes in the pharmacodynamic and pharmacokinetic properties of drugs in elderly individuals. The efficacy of various medications, their side-effect profiles, and the potential for drug-drug interactions may differ in older patients compared to younger ones. The selective serotonin reuptake inhibitors (SSRIs), which are seen as being among the first-line agents for treatment of depression in elderly patients, have been shown to be effective but carry with them side effects and drug-drug interactions that warrant special attention when these medications are prescribed to older individuals. This review focuses on the pharmacology of SSRIs in elderly patients and on practical issues related to using these medications.
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Vinogradov S, Fisher M, Warm H, Holland C, Kirshner MA, Pollock BG. The cognitive cost of anticholinergic burden: decreased response to cognitive training in schizophrenia. Am J Psychiatry 2009; 166:1055-62. [PMID: 19570929 PMCID: PMC3735363 DOI: 10.1176/appi.ajp.2009.09010017] [Citation(s) in RCA: 149] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVE Schizophrenia is treated with medications that raise serum anticholinergic activity and are known to adversely affect cognition. The authors examined the relationship between serum anticholinergic activity and baseline cognitive performance and response to computerized cognitive training in outpatients with schizophrenia. METHOD Fifty-five patients were randomly assigned to either computerized cognitive training or a computer games control condition. A neurocognitive battery based on the Measurement and Treatment Research to Improve Cognition in Schizophrenia (MATRICS) initiative was performed at baseline and after the intervention. Serum anticholinergic activity, measured at study entry by radioreceptor assay, was available for 49 patients. RESULTS Serum anticholinergic activity showed a significant negative correlation with baseline performance in verbal working memory and verbal learning and memory, accounting for 7% of the variance in these measures, independent of age, IQ, or symptom severity. Patients in the cognitive training condition (N=25) showed a significant gain in global cognition compared to those in the control condition, but this improvement was negatively correlated with anticholinergic burden. Serum anticholinergic activity uniquely accounted for 20% of the variance in global cognition change, independent of age, IQ, or symptom severity. CONCLUSIONS Serum anticholinergic activity in schizophrenia patients shows a significant association with impaired performance in MATRICS-based measures of verbal working memory and verbal learning and memory and is significantly associated with a lowered response to an intensive course of computerized cognitive training. These findings underscore the cognitive cost of medications that carry a high anticholinergic burden. The findings also have implications for the design and evaluation of cognitive treatments for schizophrenia.
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Affiliation(s)
- Sophia Vinogradov
- Department of Psychiatry, Langley Porter Psychiatric Institute, University of California, San Francisco, CA, USA.
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Understanding Excessive Crying in Neurologic Disorders: Nature, Pathophysiology, Assessment, Consequences, and Treatment. Cogn Behav Neurol 2008; 21:111-23. [DOI: 10.1097/wnn.0b013e31816be8f8] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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17
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Lackner TE, Wyman JF, McCarthy TC, Monigold M, Davey C. Randomized, Placebo-Controlled Trial of the Cognitive Effect, Safety, and Tolerability of Oral Extended-Release Oxybutynin in Cognitively Impaired Nursing Home Residents with Urge Urinary Incontinence. J Am Geriatr Soc 2008; 56:862-70. [PMID: 18410326 DOI: 10.1111/j.1532-5415.2008.01680.x] [Citation(s) in RCA: 98] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Thomas E Lackner
- Department of Experimental and Clinical Pharmacology and Institute for the Study of Geriatric Pharmacotherapy, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota 55455, USA.
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Miller A, Panitch H. Therapeutic use of dextromethorphan: Key learnings from treatment of pseudobulbar affect. J Neurol Sci 2007; 259:67-73. [PMID: 17433820 DOI: 10.1016/j.jns.2006.06.030] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2006] [Revised: 06/02/2006] [Accepted: 06/12/2006] [Indexed: 11/17/2022]
Abstract
A variety of neurological conditions and disease states are accompanied by pseudobulbar affect (PBA), an emotional disorder characterized by uncontrollable outbursts of laughing and crying. The causes of PBA are unclear but may involve lesions in neural circuits regulating the motor output of emotional expression. Several agents used in treating other psychiatric disorders have been applied in the treatment of PBA with some success but data are limited and these agents are associated with unpleasant side effects due to nonspecific activity in diffuse neural networks. Dextromethorphan (DM), a widely used cough suppressant, acts at receptors in the brainstem and cerebellum, brain regions implicated in the regulation of emotional output. The combination of DM and quinidine (Q), an enzyme inhibitor that blocks DM metabolism, has recently been tested in phase III clinical trials in patients with multiple sclerosis and amyotrophic lateral sclerosis and was both safe and effective in palliating PBA symptoms. In addition, clinical studies pertaining to the safety and efficacy of DM/Q in a variety of neurological disease states are ongoing.
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Affiliation(s)
- Ariel Miller
- Center for Multiple Sclerosis, Carmel Medical Center, Rappaport Faculty of Medicine and Research Institute, Technion-Israel Institute of Technology, Haifa, Israel.
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Abstract
Patients with involuntary emotional expression disorder (IEED) have impaired social and occupational functioning and there is currently no Food an Drug Administration-approved treatment. Treatment options include tricyclic antidepressants (TCAs), selective serotonin reuptake inhibitors (SSRIs), dopaminergic agents, and a combination of dextromethorphan and quinidine. Studies of monaminergic agents have typically been small and executed in single-center settings. Assessment measures generally show significant symptomatic improvements, including a reduction in the number of laughing or crying episodes and improvements in patients' clinical condition. The tolerability profiles of these agents are well defined, and include dizziness, tachycardia and QTc prolongation (TCAs), and sleep and sexual disturbances (SSRIs). The combination of dextromethorphan and quinidine has also been assessed in two large multicenter studies in patients with amyotrophic lateral sclerosis and multiple sclerosis. Compared with placebo and either agent alone, there were significant improvements in symptoms, quality of life, and relationships. The most common side effects were dizziness and nausea, and potential drug interactions with quinidine should also be considered. Choice of treatment should be evidence-based, taking into account both efficacy and tolerability.
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Affiliation(s)
- Benjamin Rix Brooks
- MDA/ALS Clinical Research Center at the University of Wisconsin, Madison, WI, USA
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Abstract
Paroxetine is a selective serotonin reuptake inhibitor (SSRI) with antidepressant and anxiolytic properties. It is commercially available in both an immediate-release (paroxetine) and a controlled-release formulation (paroxetine CR). The latter product was developed to improve gastrointestinal tolerability. Paroxetine is the most potent inhibitor of the reuptake of serotonin among the available SSRIs. It has approved indications for the treatment of major depression, obsessive-compulsive disorder, panic disorder, generalized anxiety disorder, post-traumatic stress disorder and social phobia in adults. Paroxetine CR is approved for the treatment of major depression, social anxiety disorder, panic disorder and premenstrual dysphoric disorder in adults. While the overall efficacy of paroxetine appears to be comparable with other SSRIs in the treatment of major depression, it is approved for use in a wider variety of anxiety disorders than any other antidepressant. Long-term data suggest that paroxetine is effective in preventing relapse or recurrence of depression for up to 1 year. Limited data show that paroxetine maintains a therapeutic response over 1 year in obsessive-compulsive disorder and up to 6 months in panic disorder. The side-effect profile of paroxetine is largely similar to that of the other SSRIs, although paroxetine tends to be more sedating and constipating in some patients, perhaps due to its anticholinergic activity. The potential for discontinuation syndrome and weight gain appears to be slightly higher with paroxetine than with other SSRIs. This review focuses on the immediate release and controlled-release formulations of paroxetine. It summarizes the efficacy and tolerability data for both formulations, with a particular emphasis on paroxetine CR which was introduced in 2002. It also discusses emerging evidence in other clinical areas and recent data that have led to modifications in the safety profile of paroxetine.
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Affiliation(s)
- Chi-Un Pae
- Department of Psychiatry & Behavioral Sciences, Duke University Medical Center, Durham, NC 27705, USA.
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21
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Miller A. Pseudobulbar affect in multiple sclerosis: Toward the development of innovative therapeutic strategies. J Neurol Sci 2006; 245:153-9. [PMID: 16674978 DOI: 10.1016/j.jns.2005.09.018] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2005] [Revised: 09/09/2005] [Accepted: 09/19/2005] [Indexed: 10/24/2022]
Abstract
Pseudobulbar affect (PBA), a condition involving involuntary and uncontrollable episodes of crying and/or laughing, occurs frequently in patients with a variety of neurological disorders, including amyotrophic lateral sclerosis (ALS), stroke, traumatic brain injury, dementia including Alzheimer's disease, and multiple sclerosis (MS). Although PBA results in considerable distress for patients and caretakers, it is underrecognized and undertreated. Agents used to treat psychiatric disorders--particularly tricyclic antidepressants and selective serotonin reuptake inhibitors--are useful in alleviating PBA, but act on diffuse neural networks rather than targeting those involved in emotional motor expression. As a result of their nonspecific activity, these agents are associated with a range of unwanted effects that preclude many patients from using them. Dextromethorphan, a common cough suppressant, specifically targets sigma(1) receptors concentrated in the brainstem and cerebellum, thus providing the possibility of targeting regions implicated in emotional expression. When administered in a fixed combination with quinidine, dextromethorphan is effective in treating PBA in patients with ALS, and preliminary results suggest that this therapy also is effective in treating MS-related PBA.
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Affiliation(s)
- Ariel Miller
- Center for Multiple Sclerosis, Department of Neurology, Carmel Medical Center, Rappaport Faculty of Medicine and Research Institute, Technion, Haifa, Israel.
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22
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Abstract
BACKGROUND Depression is a relatively common experience in older adults. The syndrome is associated with considerable distress, morbidity and service commitment. Approximately two thirds of patients presenting with severe forms will respond to antidepressant treatment and the last twenty years has witnessed a great increase in the number of these drugs. Older, frail people are particularly vulnerable to side effects. OBJECTIVES The aims of this review were to examine the efficacy of antidepressant classes, to compare the withdrawal rates associated with each class and describe the side effect profile of antidepressant drugs for treating depression in patients described as elderly, geriatric, senile or older adults, aged 55 or over. SEARCH STRATEGY The Cochrane Collaboration Depression, Anxiety and Neurosis Controlled Trials Register (CCDANCTR-Studies) was searched (2003-08-13). Reference lists of relevant papers and previous systematic reviews were hand searched for published reports and citations of unpublished studies. SELECTION CRITERIA Only randomised controlled trials were included. Trials had to compare at least two active antidepressant drugs in the treatment of depression. DATA COLLECTION AND ANALYSIS Reviewers extracted data independently. In examining efficacy, the reviewers assumed that people who died or dropped out had no improvement. Withdrawal rates irrespective of cause and specifically due to side effects were compared between drug classes. Relative risk (RR) for dichotomous data and weighted mean difference for continuous data were calculated with 95% confidence intervals (CI). Qualitative side effect data were reported in terms of ratios of side effects and percentage of patients experiencing specific side effects. MAIN RESULTS A total of 29 trials provided data for inclusion in the review. We were unable to find any differences in efficacy when comparing classes of antidepressants. However, as the trials contained relatively small numbers of patients, these findings may be explained by a type two error. Tricyclic antidepressants (TCAs) compared less favourably with selective serotonin reuptake inhibitors (SSRIs) in terms of numbers of patients withdrawn irrespective of reason (RR: 1.24, CI 1.04, 1.47) and number withdrawn due to side effects (RR: 1.30, CI 1.02, 1.64). Subgroup analyses demonstrated that TCA related antidepressants had similar withdrawal rates to SSRIs irrespective of reason of withdrawal (RR: 1.49, CI 0.74, 2.98) or withdrawal due to side effects (RR: 1.07, CI 0.43, 2.70). The qualitative analysis of side effects showed a small increased profile of gastro-intestinal and neuropsychiatric side effects associated with classical TCAs. AUTHORS' CONCLUSIONS Our findings suggest that SSRIs and TCAs are of the same efficacy. However, we have found some evidence suggesting that TCA related antidepressants and classical TCAs may have different side effect profiles and are associated with differing withdrawal rates when compared with SSRIs. The review suggests that classical TCAs are associated with a higher withdrawal rate due to side effect experience, although these results must be interpreted with caution due to the relatively small size of the review and the heterogeneity of the drugs and patient populations.
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Affiliation(s)
- P Mottram
- University of Liverpool, Department of Psychiatry, Academic Unit, St Catherine's Hospital, Church Road, Birkenhead, UK, CH42 0LQ.
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23
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Carrasco JL, Sandner C. Clinical effects of pharmacological variations in selective serotonin reuptake inhibitors: an overview. Int J Clin Pract 2005; 59:1428-34. [PMID: 16351675 DOI: 10.1111/j.1368-5031.2005.00681.x] [Citation(s) in RCA: 75] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Although the selective serotonin reuptake inhibitor (SSRI) class of antidepressants shares a common primary pharmacology, namely the inhibition of serotonin reuptake, their secondary pharmacology is remarkably heterogeneous. Inhibition of serotonin reuptake and the consequent increase in serotonin availability are responsible for the relief of depressive symptoms and for some of the adverse effects of this class of drugs. Transsynaptic effects such as modulation of signalling cascades, gene expression processes and neuroplasticity are also important in the mechanism of action of antidepressants. However, this review shows that secondary properties of the SSRIs may contribute to the differences in efficacy and tolerability between members of the class. For example, fluvoxamine has affinity for sigma(1)-receptors -- a property likely to be responsible for its particular efficacy in delusional depression. By understanding the properties of SSRIs and employing careful selection of agents for individual patients, physicians are more able to tailor antidepressant treatments to their patients' particular circumstances.
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Affiliation(s)
- J L Carrasco
- Servicio de Psiquiatria, Hospital Clínico San Carlos, Madrid, Spain
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24
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Yeragani VK, Rao R. Effect of nortriptyline and paroxetine on measures of chaos of heart rate time series in patients with panic disorder. J Psychosom Res 2003; 55:507-13. [PMID: 14642980 DOI: 10.1016/s0022-3999(03)00023-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Tricyclic antidepressants have notable cardiac side effects, and this issue has become important due to the recent reports of increased cardiovascular mortality in patients with depression and anxiety. Several previous studies indicate that serotonin reuptake inhibitors (SRIs) do not appear to have such adverse effects. Apart from the effects of these drugs on routine 12-lead ECG, the effects on beat-to-beat heart rate (HR) and QT interval time series provide more information on the side effects related to cardiac autonomic function. In this study, we evaluated the effects of two antidepressants, nortriptyline (n=13), a tricyclic, and paroxetine (n=16), an SRI inhibitor, on HR variability in patients with panic disorder, using a measure of chaos, the largest Lyapunov exponent (LLE) using pre- and posttreatment HR time series. Our results show that nortriptyline is associated with a decrease in LLE of high frequency (HF: 0.15-0.5 Hz) filtered series, which is most likely due to its anticholinergic effect, while paroxetine had no such effect. Paroxetine significantly decreased sympathovagal ratios as measured by a decrease in LLE of LF/HF. These results suggest that paroxetine appears to be safer in regards to cardiovascular effects compared to nortriptyline in this group of patients.
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Affiliation(s)
- Vikram Kumar Yeragani
- Department of Psychiatry, Wayne State University School of Medicine, Detroit, MI, USA.
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Sommer BR, Fenn H, Pompei P, DeBattista C, Lembke A, Wang P, Flores B. Safety of antidepressants in the elderly. Expert Opin Drug Saf 2003; 2:367-83. [PMID: 12904093 DOI: 10.1517/14740338.2.4.367] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Until the 1980s, the two major classes of antidepressants, the tricyclics and the monoamine oxidase inhibitors (MAOIs), were effective but had severe side effects, requiring monitoring by psychiatrists. The past several years have brought new classes of antidepressants that are safer for the patient to take and far easier for the non-psychiatrist to prescribe. Whilst this is of enormous value, it leaves the physician with the dilemma of which one to prescribe. These new antidepressants cannot safely be used interchangeably. This paper will discuss each of the antidepressants presently available, with particular emphasis on safety in the elderly. Drug interactions, side effects and particular challenges to the older patient will be described. The authors will then advise a general strategy for prescribing antidepressants.
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Affiliation(s)
- Barbara R Sommer
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA 94305-5723, USA.
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26
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Korn GP, Pupo DB, Quedas A, Bussoloti Filho I. Correlação entre o grau de xerostomia e o resultado da sialometria em pacientes com Síndrome de Sjögren. ACTA ACUST UNITED AC 2002. [DOI: 10.1590/s0034-72992002000500004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Introdução: Xerostomia é a sensação subjetiva de boca seca, que pode estar associada à várias doenças ou alterações sistêmicas, incluindo a Síndrome de Sjögren. Forma de estudo: Clínico prospectivo. Material e método: Realizamos um estudo com 8 pacientes portadores de Síndrome de Sjögren e que se queixavam de xerostomia. Esses pacientes foram submetidos a um questionário que abordava sinais e sintomas comumente relacionados à xerostomia e realizaram uma sialometria a fim de se tentar estabelecer algum tipo de associação entre ambos (questionário e sialometria). Resultado: Observamos que apenas 3 pacientes apresentaram um fluxo salivar diminuído (anormal), enquanto todos eles referiam sintomas orais, em graus variáveis. Conclusão: Assim, concluímos que a intensidade/quantidade de queixas orais não está diretamente relacionada ao fluxo salivar dos pacientes.
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27
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Yeragani VK, Pesce V, Jayaraman A, Roose S. Major depression with ischemic heart disease: effects of paroxetine and nortriptyline on long-term heart rate variability measures. Biol Psychiatry 2002; 52:418-29. [PMID: 12242058 DOI: 10.1016/s0006-3223(02)01394-x] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Studies have linked depression to sudden death and serious cardiovascular events in patients with preexisting cardiac illness. Recent studies have shown decreased vagal function in cardiac patients with depression and depressed patients without cardiac illness. METHODS We compared 20-hour, sleeping, and awake heart period variability measures using spectral analysis, fractal dimension, and symbolic dynamics in two patient groups with major depression and ischemic heart disease (mean age 59-60 years) before and after 6 weeks of paroxetine or nortriptyline treatment. RESULTS Spectral measures showed decreases in awake and sleeping total power (TP: 0.0-0.5 Hz), ultra low frequency power (ULF: 0-0.0033 Hz), very low frequency power (VLF: 0.0033-0.04 Hz), and low-frequency power (LF: 0.04-0.15 Hz) for nortriptyline condition and a decrease in high-frequency power (HF: 0.15-0.5 Hz) for the awake condition in patients who received nortriptyline. A measure of nonlinear complexity, WC-100, significantly increased after paroxetine during the awake condition. CONCLUSIONS These findings suggest that nortriptyline has stronger vagolytic effects on cardiac autonomic function compared with paroxetine, which is in agreement with previous clinical and preclinical reports. Paroxetine may have some cardio-protective effects, especially in cardiac patients.
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Affiliation(s)
- Vikram K Yeragani
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Detroit, Michigan, USA
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28
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Abstract
A computer-based literature search of all antidepressant and electroconvulsive therapy (ECT) treatment studies published between 1995 and September 2001 was conducted. In addition, a review of published chapters, review articles, and metaanalyses was also conducted. Articles were categorized into those reporting comparative studies, those in which the therapeutic agent was not compared with another, articles about ECT, and review articles. These recent publications support the conclusions from prior reviews that antidepressants and ECT are effective and safe treatments for depressed elderly patients. Differences in efficacy and side effects appear to be slight among the various types of antidepressants. Research studies of depressed elderly increased markedly since 1995 compared with all previous years although more studies are still necessary.
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Affiliation(s)
- Carl Salzman
- Department of Psychiatry, Harvard Medical School, Massachusetts Mental Health Center, Boston 02115, USA
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29
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Burrows AB, Salzman C, Satlin A, Noble K, Pollock BG, Gersh T. A randomized, placebo-controlled trial of paroxetine in nursing home residents with non-major depression. Depress Anxiety 2002; 15:102-10. [PMID: 12001178 DOI: 10.1002/da.10014] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Depression is common across a broad spectrum of severity among nursing home residents. Previous research has demonstrated the effectiveness of antidepressants in nursing home residents with major depression, but it is not known whether antidepressants are helpful in residents with less severe forms of depression. We conducted a randomized double-blind placebo-controlled 8-week trial comparing paroxetine and placebo in very old nursing home residents with non-major depression. The main outcome measure was the primary nurse's Clinical Impression of Change (CGI-C). Additional outcome measures were improvement on the interview-derived Hamilton Depression Rating Scale (HDRS) and Cornell Scale for Depression (CS) scores. Twenty-four subjects with a mean age of 87.9 were enrolled and twenty subjects completed the trial. Placebo response was high, and when all subjects were considered, there were no differences in improvement between the paroxetine and placebo groups. Two subjects that received paroxetine developed delirium, and subjects that received paroxetine were more likely to experience a decrease in Mini Mental State Exam scores (P =.03). There were no differences in serum anticholinergic activity between groups. In a subgroup analysis of 15 subjects with higher baseline HDRS and CS scores, there was a trend toward greater improvement in the paroxetine group in an outcome measure that combined the CGI-C and interview-based measures (P =.06). Paroxetine is not clearly superior to placebo in this small study of very old nursing home residents with non-major depression, and there is a risk of adverse cognitive effects. Because of the high placebo response and the trend towards improvement in the more severely ill patients, it is possible that a larger study would have demonstrated a significant therapeutic effect for paroxetine as compared with placebo. The study also illustrates the discordance between patient and caregiver ratings, and the difficulties in studying very elderly patients with mood disorders.
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Affiliation(s)
- Adam B Burrows
- Geriatrics Section, Boston University School of Medicine, 74 Fenwood Road, Boston, MA 02115, USA
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30
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Bauer M, Whybrow PC, Angst J, Versiani M, Möller HJ. World Federation of Societies of Biological Psychiatry (WFSBP) Guidelines for Biological Treatment of Unipolar Depressive Disorders, Part 1: Acute and continuation treatment of major depressive disorder. World J Biol Psychiatry 2002; 3:5-43. [PMID: 12479086 DOI: 10.3109/15622970209150599] [Citation(s) in RCA: 262] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
These practice guidelines for the biological treatment of unipolar depressive disorders were developed by an international Task Force of the World Federation of Societies of Biological Psychiatry (WFSBP). The goal for developing these guidelines was to systematically review all available evidence pertaining to the treatment of unipolar depressive disorders, and to produce a series of practice recommendations that are clinically and scientifically meaningful based on the available evidence. These guidelines are intended for use by all physicians seeing and treating patients with these conditions. The data used for developing these guidelines have been extracted primarily from various national treatment guidelines and panels for depressive disorders, as well as from meta-analyses and reviews on the efficacy of antidepressant medications and other biological treatment interventions identified by a search of the MEDLINE database and Cochrane Library. The identified literature was evaluated with respect to the strength of evidence for its efficacy and was then categorized into four levels of evidence (A-D). This first part of the guidelines covers disease definition, classification, epidemiology and course of unipolar depressive disorders, as well as the management of the acute and continuation-phase treatment. These guidelines are primarily concerned with the biological treatment (including antidepressants, other psychopharmacological and hormonal medications, electroconvulsive therapy, light therapy, adjunctive and novel therapeutic strategies) of young adults and also, albeit to a lesser extent, children, adolescents and older adults.
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Affiliation(s)
- Michael Bauer
- Neuropsychiatric Institute & Hospital, Department of Psychiatry and Biobehavioral Sciences, University of California at Los Angeles (ULCA), 300 UCLA Medical Plaza, Suite 2330, Los Angeles, CA 90095, USA.
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31
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Solai LK, Mulsant BH, Pollock BG. Selective serotonin reuptake inhibitors for late-life depression: a comparative review. Drugs Aging 2001; 18:355-68. [PMID: 11392444 DOI: 10.2165/00002512-200118050-00006] [Citation(s) in RCA: 64] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Late-life depression is a serious health problem that is challenging to manage but generally responds well to pharmacotherapy. Selective serotonin (5-hydroxytryptamine: 5-HT) reuptake inhibitors (SSRIs), the most commonly prescribed antidepressants, are usually used as first-line agents for elderly patients with depression. Like most drugs, SSRIs have not been widely tested in clinical trials that approximate 'real-life' geriatric situations. However, studies completed to date provide valuable information about the efficacy, safety and tolerability of this class of antidepressants among older patients with depression, including those with depression secondary to stroke or dementia and those with other comorbid physical disorders. Although one SSRI may be more efficacious or better tolerated by elderly patients than another, existing data do not support such claims. However, other distinguishing features may influence the choice of agent. For example, fluoxetine, fluvoxamine and paroxetine are more likely to be involved in significant drug-drug interactions than are citalopram or sertraline. In contrast to the other SSRIs, fluoxetine has a half-life well in excess of 1 day, which can be an advantage when weaning the patient off therapy in that it may reduce the incidence of discontinuation symptoms, but a significant disadvantage if the patient cannot tolerate the drug or experiences an adverse drug-drug interaction.
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Affiliation(s)
- L K Solai
- University of Pittsburgh School of Medicine, Pennsylvania, USA.
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32
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Sweet RA, Henteleff RA, Meinert KA, DeMichele MA, Kirshner MA, Sorisio DA, Pollock BG. Antipsychotic radioreceptor assay: a modification identifying selective receptor effects. Ther Drug Monit 2001; 23:421-6. [PMID: 11477327 DOI: 10.1097/00007691-200108000-00017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Radioreceptor assays offer the advantage of a single assay that can assess uniform exposure to multiple chemical compounds. The advent of atypical antipsychotic agents has led to new awareness of the multiple receptor subtypes through which antipsychotic agents may exert their effects, and a renewed interest in comparative drug trials of antipsychotics. The objective of this study was to show the development and validation of antipsychotic radioreceptor assays using clonal cell lines stably expressing isolated human receptors. Model assays were developed using the dopamine(2) (D(2)) and D(4) receptors. D(2) and D(4) activities measured by radioreceptor assay in plasma of antipsychotic-treated subjects were highly correlated with high-performance liquid chromatography determinations of antipsychotic concentrations. Similarly, for a variety of typical and atypical antipsychotic agents, the quotients of D(4)/D(2) activity in plasma of antipsychotic-treated subjects were highly correlated with the quotients of D(4)/D(2) affinities of these agents. Valid receptor-selective antipsychotic assays can be established and may have utility for dissecting the in vivo activity of atypical antipsychotics in relation to specific outcomes in clinical trials.
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Affiliation(s)
- R A Sweet
- Geriatric Psychopharmacology Program, Division of Geriatrics and Neuropsychiatry, Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.
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Nebes RD, Butters MA, Houck PR, Zmuda MD, Aizenstein H, Pollock BG, Mulsant BH, Reynolds CF. Dual-task performance in depressed geriatric patients. Psychiatry Res 2001; 102:139-51. [PMID: 11408053 DOI: 10.1016/s0165-1781(01)00244-x] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Older patients suffering from a major depression are often impaired on tasks that require executive control processes. However, a wide variety of executive abilities exist in humans, and it is not clear that all are impaired in depression or that such impairments persist beyond remission of the depression. One executive process that plays a central role in mental operations such as working memory is the ability to co-ordinate the simultaneous performance of multiple tasks. Dual-task performance has been extensively studied in normal subjects but there is little work with depressed patients. The present study examined the performance of depressed (M age=71.0, S.D.=7.1) and control subjects (M age=69.3, S.D.=7.0) on two tasks (visual tracking and backward digit span), both when each task was carried out by itself and when the two tasks were carried out simultaneously. Dual-task performance was impaired in depressed patients prior to antidepressant treatment and this impairment persisted even after remission of the depression. These results suggest that, like other executive abilities, the ability to schedule and co-ordinate the conflicting processing demands present in a dual-task situation is impaired in depressed geriatric patients and that this impairment may be a trait effect.
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Affiliation(s)
- R D Nebes
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA.
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Chengappa KN, Pollock BG, Parepally H, Levine J, Kirshner MA, Brar JS, Zoretich RA. Anticholinergic differences among patients receiving standard clinical doses of olanzapine or clozapine. J Clin Psychopharmacol 2000; 20:311-6. [PMID: 10831017 DOI: 10.1097/00004714-200006000-00004] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
This study evaluated anticholinergic effects among patients with schizophrenia, schizoaffective disorder, or bipolar I disorder who were receiving either olanzapine (N = 12) or clozapine (N = 12) at standard clinical doses in a naturalistic setting. Serum anticholinergic levels were determined in adult male and female subjects using a radioreceptor binding assay. The Udvalg for Kliniske Undersogelser Scale was used to evaluate anticholinergic side effects clinically, and the Mini-Mental State Examination provided a global cognitive measure. Patients had achieved target doses that were stable at the time at which blood samples were obtained, and no other concomitant medicine with known anticholinergic potential was allowed. Patients receiving olanzapine (average dose, 15 mg/day) had serum anticholinergic levels of 0.96 (+/-0.55) pmol/ atropine equivalents compared with levels of 5.47 (+/-3.33) pmol/atropine equivalents for those receiving clozapine (average dose, 444 mg/day) (p < 0.001). Rates of increased and decreased salivation were significantly more common among the clozapine- and olanzapine-treated patients, respectively, whereas constipation, urinary disturbances, and tachycardia/palpitations were significantly more common among clozapine-treated patients. Neither group showed any global cognitive deficits. Olanzapine-treated patients had serum anticholinergic levels that were less than one fifth those of the clozapine-treated patients. Furthermore, clinical evaluations confirmed that clozapine-treated patients experienced more frequent and severe anticholinergic side effects (except dry mouth). However, none of the patients in either group expressed any desire to discontinue these medications as a result of the anticholinergic side effects.
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Affiliation(s)
- K N Chengappa
- Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Pennsylvania 15213-2593, USA.
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35
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Abstract
Sexual problems are highly prevalent in both men and women and are affected by, among other factors, mood state, interpersonal functioning, and psychotropic medications. The incidence of antidepressant-induced sexual dysfunction is difficult to estimate because of the potentially confounding effects of the illness itself, social and interpersonal comorbidities, medication effects, and design and assessment problems in most studies. Estimates of sexual dysfunction vary from a small percentage to more than 80%. This article reviews current evidence regarding sexual side effects of selective serotonin reuptake inhibitors (SSRIs). Among the sexual side effects most commonly associated with SSRIs are delayed ejaculation and absent or delayed orgasm. Sexual desire (libido) and arousal difficulties are also frequently reported, although the specific association of these disorders to SSRI use has not been consistently shown. The effects of SSRIs on sexual functioning seem strongly dose-related and may vary among the group according to serotonin and dopamine reuptake mechanisms, induction of prolactin release, anticholinergic effects, inhibition of nitric oxide synthetase, and propensity for accumulation over time. A variety of strategies have been reported in the management of SSRI-induced sexual dysfunction, including waiting for tolerance to develop, dosage reduction, drug holidays, substitution of another antidepressant drug, and various augmentation strategies with 5-hydroxytryptamine-2 (5-HT2), 5-HT3, and alpha2 adrenergic receptor antagonists, 5-HT1A and dopamine receptor agonists, and phosphodiesterase (PDE5) enzyme inhibitors. Sexual side effects of SSRIs should not be viewed as entirely negative; some studies have shown improved control of premature ejaculation in men. The impacts of sexual side effects of SSRIs on treatment compliance and on patients' quality of life are important clinical considerations.
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Affiliation(s)
- R C Rosen
- Department of Psychiatry, University of Medicine and Dentistry of New Jersey, Robert Wood Johnson Medical School, Piscataway 08854, USA
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