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Antidepressant monotherapy: A claims database analysis of treatment changes and treatment duration

Abstract Background: The basic principles of pharmacotherapy for depression are consistent among most US and western European guidelines. All recommend ≥6 months of antidepressant therapy and propose several alternatives in cases of inappropriate response. Objectives: The aims of this analysis were...

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Published in:Clinical therapeutics 2010-11, Vol.32 (12), p.2057-2072
Main Authors: Milea, Dominique, PharmD, MSc, Guelfucci, Florent, MSc, Bent-Ennakhil, Nawal, MSc, Toumi, Mondher, MD, PhD, Auray, Jean-Paul, PhD
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cites cdi_FETCH-LOGICAL-c483t-dde1215bd6a8206461564f0a8c9f59fa29df169ca0c039b06ac39310b18685673
container_end_page 2072
container_issue 12
container_start_page 2057
container_title Clinical therapeutics
container_volume 32
creator Milea, Dominique, PharmD, MSc
Guelfucci, Florent, MSc
Bent-Ennakhil, Nawal, MSc
Toumi, Mondher, MD, PhD
Auray, Jean-Paul, PhD
description Abstract Background: The basic principles of pharmacotherapy for depression are consistent among most US and western European guidelines. All recommend ≥6 months of antidepressant therapy and propose several alternatives in cases of inappropriate response. Objectives: The aims of this analysis were to describe antidepressant treatment changes and treatment duration in patients undergoing treatment for a new episode of depression and to identify risk factors for treatment changes and treatment discontinuation. Methods: For this claims database analysis, adults and children treated with antidepressants for a new episode of depression in the time period from 2004 to 2006 were identified using the IMS LifeLink Health Plan Database. Treatment changes (defined as switches to an antidepressant or antipsychotic; combination with an antidepressant; or augmentation with lithium, an anticonvulsant, or an atypical antipsychotic) were described. Antidepressant treatment duration was assessed and described per treatment change. Risk factors for treatment change or discontinuation were identified using multivariate logistic regression (treatment change) or Cox regression (treatment duration). Results: Of 134,287 patients identified using the database (mean [SD] age, 39.1 [14.9] years; 68.1% women), 31,123 (23.2%) had a treatment change, most commonly an antidepressant switch (12,735 [9.5%]) or combination (12,214 [9.1%]). Antipsychotics were introduced in
doi_str_mv 10.1016/j.clinthera.2010.11.011
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All recommend ≥6 months of antidepressant therapy and propose several alternatives in cases of inappropriate response. Objectives: The aims of this analysis were to describe antidepressant treatment changes and treatment duration in patients undergoing treatment for a new episode of depression and to identify risk factors for treatment changes and treatment discontinuation. Methods: For this claims database analysis, adults and children treated with antidepressants for a new episode of depression in the time period from 2004 to 2006 were identified using the IMS LifeLink Health Plan Database. Treatment changes (defined as switches to an antidepressant or antipsychotic; combination with an antidepressant; or augmentation with lithium, an anticonvulsant, or an atypical antipsychotic) were described. Antidepressant treatment duration was assessed and described per treatment change. Risk factors for treatment change or discontinuation were identified using multivariate logistic regression (treatment change) or Cox regression (treatment duration). Results: Of 134,287 patients identified using the database (mean [SD] age, 39.1 [14.9] years; 68.1% women), 31,123 (23.2%) had a treatment change, most commonly an antidepressant switch (12,735 [9.5%]) or combination (12,214 [9.1%]). Antipsychotics were introduced in &lt;5% of patients. The median overall treatment duration (111 days) was shorter than that recommended in the guidelines (≥6 months). Index antidepressant class was significantly associated with treatment change (higher for tricyclic antidepressants [TCAs] [odds ratio (OR) = 1.59 (95% CI, 1.48–1.70)]; lower for selective serotonin reuptake inhibitors [OR = 0.87 (95% CI, 0.84–0.91)]) and duration (increased risk for early discontinuation for TCAs [hazard ratio (HR) = 1.36 (95% CI, 1.30–1.44)]; lower risk for late discontinuation for serotonin-norepinephrine reuptake inhibitors [HR = 0.81 (95% CI, 0.79–0.84)]). Indicators of depression severity or complexity (prescription by a mental health specialist, previous use of psychotropics, previous psychiatric hospitalization, and presence of psychosomatic comorbidities) were associated with a higher risk for treatment change and inconsistently associated with treatment duration. Two health plans were associated with increased risk for discontinuation (Medicaid, HR = 1.35 [95% CI, 1.28–1.42]; Medicare, HR = 1.38 [95% CI, 1.12–1.71]). Combination and augmentation strategies were associated with a lower risk for treatment discontinuation (combination, HR = 0.83 [95% CI, 0.81–0.86]; augmentation, HR = 0.75 [95% CI, 0.73–0.77]). Overall treatment duration was &lt;30 days in 31,177 patients (26.2%) and &gt;6 months in 54,502 (37.5%). Conclusions: In this claims database analysis, changes in antidepressant treatment involved 23.2% of patients. The median overall treatment duration was shorter than recommended by guidelines due to a quarter of patients having early treatment discontinuation.</description><identifier>ISSN: 0149-2918</identifier><identifier>EISSN: 1879-114X</identifier><identifier>DOI: 10.1016/j.clinthera.2010.11.011</identifier><identifier>PMID: 21118742</identifier><language>eng</language><publisher>Bridgewater, NJ: EM Inc USA</publisher><subject>Adult ; Adult and adolescent clinical studies ; Aged ; Aged, 80 and over ; Antidepressants ; Antidepressive Agents, Tricyclic - administration &amp; dosage ; Antidepressive Agents, Tricyclic - therapeutic use ; Biological and medical sciences ; claims database ; combination ; Costs ; Databases, Factual ; Depression ; Depression - drug therapy ; Depression - prevention &amp; control ; Depression - psychology ; Drug Administration Schedule ; Drug therapy ; Drug Therapy, Combination ; Female ; Humans ; Internal Medicine ; Male ; Medical Education ; Medical sciences ; Medicare ; Medication Adherence ; Mental depression ; Middle Aged ; Mood disorders ; Patients ; Pharmacology. Drug treatments ; Pharmacy ; Primary care ; Psychiatry ; Psychology. Psychoanalysis. Psychiatry ; Psychopathology. Psychiatry ; Retrospective Studies ; Secondary Prevention ; Serotonin ; Serotonin Uptake Inhibitors - administration &amp; dosage ; Serotonin Uptake Inhibitors - therapeutic use ; Survival analysis ; switching ; Time Factors</subject><ispartof>Clinical therapeutics, 2010-11, Vol.32 (12), p.2057-2072</ispartof><rights>Elsevier HS Journals, Inc.</rights><rights>2010 Elsevier HS Journals, Inc.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c483t-dde1215bd6a8206461564f0a8c9f59fa29df169ca0c039b06ac39310b18685673</citedby><cites>FETCH-LOGICAL-c483t-dde1215bd6a8206461564f0a8c9f59fa29df169ca0c039b06ac39310b18685673</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=23619828$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21118742$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Milea, Dominique, PharmD, MSc</creatorcontrib><creatorcontrib>Guelfucci, Florent, MSc</creatorcontrib><creatorcontrib>Bent-Ennakhil, Nawal, MSc</creatorcontrib><creatorcontrib>Toumi, Mondher, MD, PhD</creatorcontrib><creatorcontrib>Auray, Jean-Paul, PhD</creatorcontrib><title>Antidepressant monotherapy: A claims database analysis of treatment changes and treatment duration</title><title>Clinical therapeutics</title><addtitle>Clin Ther</addtitle><description>Abstract Background: The basic principles of pharmacotherapy for depression are consistent among most US and western European guidelines. All recommend ≥6 months of antidepressant therapy and propose several alternatives in cases of inappropriate response. Objectives: The aims of this analysis were to describe antidepressant treatment changes and treatment duration in patients undergoing treatment for a new episode of depression and to identify risk factors for treatment changes and treatment discontinuation. Methods: For this claims database analysis, adults and children treated with antidepressants for a new episode of depression in the time period from 2004 to 2006 were identified using the IMS LifeLink Health Plan Database. Treatment changes (defined as switches to an antidepressant or antipsychotic; combination with an antidepressant; or augmentation with lithium, an anticonvulsant, or an atypical antipsychotic) were described. Antidepressant treatment duration was assessed and described per treatment change. Risk factors for treatment change or discontinuation were identified using multivariate logistic regression (treatment change) or Cox regression (treatment duration). Results: Of 134,287 patients identified using the database (mean [SD] age, 39.1 [14.9] years; 68.1% women), 31,123 (23.2%) had a treatment change, most commonly an antidepressant switch (12,735 [9.5%]) or combination (12,214 [9.1%]). Antipsychotics were introduced in &lt;5% of patients. The median overall treatment duration (111 days) was shorter than that recommended in the guidelines (≥6 months). Index antidepressant class was significantly associated with treatment change (higher for tricyclic antidepressants [TCAs] [odds ratio (OR) = 1.59 (95% CI, 1.48–1.70)]; lower for selective serotonin reuptake inhibitors [OR = 0.87 (95% CI, 0.84–0.91)]) and duration (increased risk for early discontinuation for TCAs [hazard ratio (HR) = 1.36 (95% CI, 1.30–1.44)]; lower risk for late discontinuation for serotonin-norepinephrine reuptake inhibitors [HR = 0.81 (95% CI, 0.79–0.84)]). Indicators of depression severity or complexity (prescription by a mental health specialist, previous use of psychotropics, previous psychiatric hospitalization, and presence of psychosomatic comorbidities) were associated with a higher risk for treatment change and inconsistently associated with treatment duration. Two health plans were associated with increased risk for discontinuation (Medicaid, HR = 1.35 [95% CI, 1.28–1.42]; Medicare, HR = 1.38 [95% CI, 1.12–1.71]). Combination and augmentation strategies were associated with a lower risk for treatment discontinuation (combination, HR = 0.83 [95% CI, 0.81–0.86]; augmentation, HR = 0.75 [95% CI, 0.73–0.77]). Overall treatment duration was &lt;30 days in 31,177 patients (26.2%) and &gt;6 months in 54,502 (37.5%). Conclusions: In this claims database analysis, changes in antidepressant treatment involved 23.2% of patients. The median overall treatment duration was shorter than recommended by guidelines due to a quarter of patients having early treatment discontinuation.</description><subject>Adult</subject><subject>Adult and adolescent clinical studies</subject><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Antidepressants</subject><subject>Antidepressive Agents, Tricyclic - administration &amp; dosage</subject><subject>Antidepressive Agents, Tricyclic - therapeutic use</subject><subject>Biological and medical sciences</subject><subject>claims database</subject><subject>combination</subject><subject>Costs</subject><subject>Databases, Factual</subject><subject>Depression</subject><subject>Depression - drug therapy</subject><subject>Depression - prevention &amp; control</subject><subject>Depression - psychology</subject><subject>Drug Administration Schedule</subject><subject>Drug therapy</subject><subject>Drug Therapy, Combination</subject><subject>Female</subject><subject>Humans</subject><subject>Internal Medicine</subject><subject>Male</subject><subject>Medical Education</subject><subject>Medical sciences</subject><subject>Medicare</subject><subject>Medication Adherence</subject><subject>Mental depression</subject><subject>Middle Aged</subject><subject>Mood disorders</subject><subject>Patients</subject><subject>Pharmacology. Drug treatments</subject><subject>Pharmacy</subject><subject>Primary care</subject><subject>Psychiatry</subject><subject>Psychology. Psychoanalysis. Psychiatry</subject><subject>Psychopathology. Psychiatry</subject><subject>Retrospective Studies</subject><subject>Secondary Prevention</subject><subject>Serotonin</subject><subject>Serotonin Uptake Inhibitors - administration &amp; dosage</subject><subject>Serotonin Uptake Inhibitors - therapeutic use</subject><subject>Survival analysis</subject><subject>switching</subject><subject>Time Factors</subject><issn>0149-2918</issn><issn>1879-114X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqNkk2LFDEQhhtR3NnVv6ANInvqMZV0ejoehGHxCxY8qOAtVCfVbsb-GFPdwvx70864K3vyFKg89dbHW1n2HMQaBFSvdmvXhWG6oYhrKZYorAXAg2wF9cYUAOW3h9lKQGkKaaA-y86Zd0IIZbR8nJ1JgMSVcpU122EKnvaRmHGY8n4cxj-y-8PrfJu7DkPPuccJG2TKccDuwIHzsc2nSDj1lJLcDQ7fidOv_yfq54hTGIcn2aMWO6anp_ci-_ru7ZerD8X1p_cfr7bXhStrNRXeE0jQja-wlqIqK9BV2QqsnWm1aVEa30JlHAqXxmhEhU4ZBaKBuqp1tVEX2eVRdx_HnzPxZPvAjroOBxpntjVorZVUZSJf3CN34xzTaGxBKAXalLpO1OZIuTgyR2rtPoYe4yFBdnHB7uytC3ZxwQLY5ELKfHbSn5ue_G3e37Un4OUJQHbYtREHF_iOUxWYWi4tbI8cpb39ChQtu0CDIx8iucn6MfxHM2_uaSxcSGV_0IH4bnLL0gr7eTma5WZgOZeN0uo3RR--nQ</recordid><startdate>20101101</startdate><enddate>20101101</enddate><creator>Milea, Dominique, PharmD, MSc</creator><creator>Guelfucci, Florent, MSc</creator><creator>Bent-Ennakhil, Nawal, MSc</creator><creator>Toumi, Mondher, MD, PhD</creator><creator>Auray, Jean-Paul, PhD</creator><general>EM Inc USA</general><general>Elsevier</general><general>Elsevier Limited</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7RV</scope><scope>7X7</scope><scope>7XB</scope><scope>88C</scope><scope>88E</scope><scope>8AO</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>K9.</scope><scope>KB0</scope><scope>M0S</scope><scope>M0T</scope><scope>M1P</scope><scope>M2O</scope><scope>M7N</scope><scope>MBDVC</scope><scope>NAPCQ</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>7X8</scope></search><sort><creationdate>20101101</creationdate><title>Antidepressant monotherapy: A claims database analysis of treatment changes and treatment duration</title><author>Milea, Dominique, PharmD, MSc ; Guelfucci, Florent, MSc ; Bent-Ennakhil, Nawal, MSc ; Toumi, Mondher, MD, PhD ; Auray, Jean-Paul, PhD</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c483t-dde1215bd6a8206461564f0a8c9f59fa29df169ca0c039b06ac39310b18685673</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Adult</topic><topic>Adult and adolescent clinical studies</topic><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Antidepressants</topic><topic>Antidepressive Agents, Tricyclic - administration &amp; dosage</topic><topic>Antidepressive Agents, Tricyclic - therapeutic use</topic><topic>Biological and medical sciences</topic><topic>claims database</topic><topic>combination</topic><topic>Costs</topic><topic>Databases, Factual</topic><topic>Depression</topic><topic>Depression - drug therapy</topic><topic>Depression - prevention &amp; control</topic><topic>Depression - psychology</topic><topic>Drug Administration Schedule</topic><topic>Drug therapy</topic><topic>Drug Therapy, Combination</topic><topic>Female</topic><topic>Humans</topic><topic>Internal Medicine</topic><topic>Male</topic><topic>Medical Education</topic><topic>Medical sciences</topic><topic>Medicare</topic><topic>Medication Adherence</topic><topic>Mental depression</topic><topic>Middle Aged</topic><topic>Mood disorders</topic><topic>Patients</topic><topic>Pharmacology. Drug treatments</topic><topic>Pharmacy</topic><topic>Primary care</topic><topic>Psychiatry</topic><topic>Psychology. Psychoanalysis. Psychiatry</topic><topic>Psychopathology. Psychiatry</topic><topic>Retrospective Studies</topic><topic>Secondary Prevention</topic><topic>Serotonin</topic><topic>Serotonin Uptake Inhibitors - administration &amp; dosage</topic><topic>Serotonin Uptake Inhibitors - therapeutic use</topic><topic>Survival analysis</topic><topic>switching</topic><topic>Time Factors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Milea, Dominique, PharmD, MSc</creatorcontrib><creatorcontrib>Guelfucci, Florent, MSc</creatorcontrib><creatorcontrib>Bent-Ennakhil, Nawal, MSc</creatorcontrib><creatorcontrib>Toumi, Mondher, MD, PhD</creatorcontrib><creatorcontrib>Auray, Jean-Paul, PhD</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Nursing &amp; Allied Health Database</collection><collection>ProQuest_Health &amp; Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Healthcare Administration Database (Alumni)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central</collection><collection>ProQuest Central</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>ProQuest Health &amp; Medical Complete (Alumni)</collection><collection>Nursing &amp; Allied Health Database (Alumni Edition)</collection><collection>Health &amp; Medical Collection (Alumni Edition)</collection><collection>Healthcare Administration Database</collection><collection>PML(ProQuest Medical Library)</collection><collection>ProQuest_Research Library</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Research Library (Corporate)</collection><collection>Nursing &amp; Allied Health Premium</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><collection>MEDLINE - Academic</collection><jtitle>Clinical therapeutics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Milea, Dominique, PharmD, MSc</au><au>Guelfucci, Florent, MSc</au><au>Bent-Ennakhil, Nawal, MSc</au><au>Toumi, Mondher, MD, PhD</au><au>Auray, Jean-Paul, PhD</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Antidepressant monotherapy: A claims database analysis of treatment changes and treatment duration</atitle><jtitle>Clinical therapeutics</jtitle><addtitle>Clin Ther</addtitle><date>2010-11-01</date><risdate>2010</risdate><volume>32</volume><issue>12</issue><spage>2057</spage><epage>2072</epage><pages>2057-2072</pages><issn>0149-2918</issn><eissn>1879-114X</eissn><abstract>Abstract Background: The basic principles of pharmacotherapy for depression are consistent among most US and western European guidelines. All recommend ≥6 months of antidepressant therapy and propose several alternatives in cases of inappropriate response. Objectives: The aims of this analysis were to describe antidepressant treatment changes and treatment duration in patients undergoing treatment for a new episode of depression and to identify risk factors for treatment changes and treatment discontinuation. Methods: For this claims database analysis, adults and children treated with antidepressants for a new episode of depression in the time period from 2004 to 2006 were identified using the IMS LifeLink Health Plan Database. Treatment changes (defined as switches to an antidepressant or antipsychotic; combination with an antidepressant; or augmentation with lithium, an anticonvulsant, or an atypical antipsychotic) were described. Antidepressant treatment duration was assessed and described per treatment change. Risk factors for treatment change or discontinuation were identified using multivariate logistic regression (treatment change) or Cox regression (treatment duration). Results: Of 134,287 patients identified using the database (mean [SD] age, 39.1 [14.9] years; 68.1% women), 31,123 (23.2%) had a treatment change, most commonly an antidepressant switch (12,735 [9.5%]) or combination (12,214 [9.1%]). Antipsychotics were introduced in &lt;5% of patients. The median overall treatment duration (111 days) was shorter than that recommended in the guidelines (≥6 months). Index antidepressant class was significantly associated with treatment change (higher for tricyclic antidepressants [TCAs] [odds ratio (OR) = 1.59 (95% CI, 1.48–1.70)]; lower for selective serotonin reuptake inhibitors [OR = 0.87 (95% CI, 0.84–0.91)]) and duration (increased risk for early discontinuation for TCAs [hazard ratio (HR) = 1.36 (95% CI, 1.30–1.44)]; lower risk for late discontinuation for serotonin-norepinephrine reuptake inhibitors [HR = 0.81 (95% CI, 0.79–0.84)]). Indicators of depression severity or complexity (prescription by a mental health specialist, previous use of psychotropics, previous psychiatric hospitalization, and presence of psychosomatic comorbidities) were associated with a higher risk for treatment change and inconsistently associated with treatment duration. Two health plans were associated with increased risk for discontinuation (Medicaid, HR = 1.35 [95% CI, 1.28–1.42]; Medicare, HR = 1.38 [95% CI, 1.12–1.71]). Combination and augmentation strategies were associated with a lower risk for treatment discontinuation (combination, HR = 0.83 [95% CI, 0.81–0.86]; augmentation, HR = 0.75 [95% CI, 0.73–0.77]). Overall treatment duration was &lt;30 days in 31,177 patients (26.2%) and &gt;6 months in 54,502 (37.5%). Conclusions: In this claims database analysis, changes in antidepressant treatment involved 23.2% of patients. The median overall treatment duration was shorter than recommended by guidelines due to a quarter of patients having early treatment discontinuation.</abstract><cop>Bridgewater, NJ</cop><pub>EM Inc USA</pub><pmid>21118742</pmid><doi>10.1016/j.clinthera.2010.11.011</doi><tpages>16</tpages></addata></record>
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identifier ISSN: 0149-2918
ispartof Clinical therapeutics, 2010-11, Vol.32 (12), p.2057-2072
issn 0149-2918
1879-114X
language eng
recordid cdi_proquest_miscellaneous_815553234
source ScienceDirect Freedom Collection 2022-2024
subjects Adult
Adult and adolescent clinical studies
Aged
Aged, 80 and over
Antidepressants
Antidepressive Agents, Tricyclic - administration & dosage
Antidepressive Agents, Tricyclic - therapeutic use
Biological and medical sciences
claims database
combination
Costs
Databases, Factual
Depression
Depression - drug therapy
Depression - prevention & control
Depression - psychology
Drug Administration Schedule
Drug therapy
Drug Therapy, Combination
Female
Humans
Internal Medicine
Male
Medical Education
Medical sciences
Medicare
Medication Adherence
Mental depression
Middle Aged
Mood disorders
Patients
Pharmacology. Drug treatments
Pharmacy
Primary care
Psychiatry
Psychology. Psychoanalysis. Psychiatry
Psychopathology. Psychiatry
Retrospective Studies
Secondary Prevention
Serotonin
Serotonin Uptake Inhibitors - administration & dosage
Serotonin Uptake Inhibitors - therapeutic use
Survival analysis
switching
Time Factors
title Antidepressant monotherapy: A claims database analysis of treatment changes and treatment duration
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