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Davis EP, Demers CH, Deer L, Gallop RJ, Hoffman MC, Grote N, Hankin BL. Impact of prenatal maternal depression on gestational length: post hoc analysis of a randomized clinical trial. EClinicalMedicine 2024; 72:102601. [PMID: 38680516 PMCID: PMC11053273 DOI: 10.1016/j.eclinm.2024.102601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 03/27/2024] [Accepted: 03/29/2024] [Indexed: 05/01/2024] Open
Abstract
Background Shortened gestation is a leading cause of childhood morbidity and mortality with lifelong consequences for health. There is a need for public health initiatives on increasing gestational age at birth. Prenatal maternal depression is a pervasive health problem robustly linked via correlational and epidemiological studies to shortened gestational length. This proof-of-concept study tests the impact of reducing prenatal maternal depression on gestational length with analysis of a randomized clinical trial (RCT). Methods Participants included 226 pregnant individuals enrolled into an RCT and assigned to receive either interpersonal psychotherapy (IPT) or enhanced usual care (EUC). Recruitment began in July 2017 and participants were enrolled August 10, 2017 to September, 8 2021. Depression diagnosis (Structured Clinical Interview for the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition; DSM 5) and symptoms (Edinburgh Postnatal Depression Scale and Symptom Checklist) were evaluated at baseline and longitudinally throughout gestation to characterize depression trajectories. Gestational dating was collected based on current guidelines via medical records. The primary outcome was gestational age at birth measured dichotomously (≥39 gestational weeks) and the secondary outcome was gestational age at birth measured continuously. Posthoc analyses were performed to test the effect of reducing prenatal maternal depression on gestational length. This trial is registered with ClinicalTrials.gov (NCT03011801). Findings Steeper decreases in depression trajectories across gestation predicted later gestational age at birth, specifically an increase in the number of full-term babies born ≥39 gestational weeks (EPDS linear slopes: OR = 1.54, 95% CI 1.10-2.16; and SCL-20 linear slopes: OR = 1.67, 95% CI 1.16-2.42). Causal mediation analyses supported the hypothesis that participants assigned to IPT experienced greater reductions in depression symptom trajectories, which in turn, contributed to longer gestation. Supporting mediation, the natural indirect effect (NIE) showed that reduced depression trajectories resulting from intervention were associated with birth ≥39 gestational weeks (EPDS, OR = 1.65, 95% CI 1.02-2.66; SCL-20, OR = 1.85, 95% CI 1.16-2.97). Interpretation We used a RCT design and found that reducing maternal depression across pregnancy was associated with lengthened gestation. Funding This research was supported by the NIH (R01 HL155744, R01 MH109662, R21 MH124026, P50 MH096889).
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Affiliation(s)
- Elysia Poggi Davis
- Department of Psychology, University of Denver, Denver, CO, USA
- Department of Pediatrics, University of California, Irvine, CA, USA
| | - Catherine H. Demers
- Department of Psychology, University of Denver, Denver, CO, USA
- Department of Psychiatry, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - LillyBelle Deer
- Department of Psychology, University of Denver, Denver, CO, USA
| | - Robert J. Gallop
- Department of Mathematics, West Chester University, West Chester, PA, USA
| | - M. Camille Hoffman
- Department of Obstetrics and Gynecology, Division of Maternal and Fetal Medicine, University of Colorado Denver School of Medicine, Aurora, CO, USA
| | - Nancy Grote
- School of Social Work, University of Washington, Seattle, WA, USA
| | - Benjamin L. Hankin
- Department of Psychology, University of Illinois at Urbana-Champaign, Champaign, IL, USA
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Deer LK, Hennessey EMP, Doom JR, Gallop RJ, Hoffman MC, Demers CH, Hankin BL, Davis EP. Higher prenatal anxiety predicts lower neonatal hair cortisol. Psychoneuroendocrinology 2024; 165:107044. [PMID: 38657342 DOI: 10.1016/j.psyneuen.2024.107044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 04/04/2024] [Accepted: 04/04/2024] [Indexed: 04/26/2024]
Abstract
BACKGROUND Prenatal glucocorticoids are one of the most widely proposed prenatal programming mechanisms, yet few studies exist that measure fetal cortisol via neonatal hair. Neonatal hair provides a window into the fetal experience and represents cortisol accumulation in the third trimester of pregnancy. In the current study, we test the links between two types of anxiety over the course of gestation (pregnancy-related anxiety and general anxiety) with neonatal hair cortisol. METHOD Pregnant individuals (N = 107) and their neonates (59.8% female) participated in the current study. Prenatal pregnancy-related anxiety and general anxiety were measured using the Pregnancy Related Anxiety Scale (PRAS) and the State-Trait Anxiety Inventory (STAI), in each trimester of pregnancy. Hierarchical linear modeling was used to model the intercept and slope of each type of anxiety over gestation. Neonatal hair samples were collected shortly after birth (Median days = 1.17, IQR = 0.75-2.00). RESULTS Both higher pregnancy-related anxiety and general anxiety at the beginning of pregnancy and a flatter decline of pregnancy-related anxiety over gestation were associated with lower neonatal hair cortisol. After inclusion of gestational age at birth and parity as covariates, pregnancy-related anxiety (intercept: β = -0.614, p =.012; slope: β = -0.681, p =.006), but not general anxiety (intercept: β = -0.389, p =.114; slope: β = -0.302, p =.217) remained a significant predictor. Further, when both general and pregnancy-related anxiety were entered into the same model, only pregnancy-related anxiety (intercept and slope) were significant predictors of neonatal hair cortisol, indicating an association with pregnancy-related anxiety above and beyond general anxiety. CONCLUSION Cortisol plays a central role in maturation of fetal organ systems, and at the end of gestation, higher cortisol has beneficial effects such as promoting fetal lung maturation. Further, lower maternal cortisol is linked to less optimal cognitive development and altered brain development. As maternal higher anxiety in early pregnancy and a flatter decrease over time are both associated with lower neonatal hair cortisol, maternal pregnancy-related anxiety could be a target of future intervention efforts.
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Affiliation(s)
| | | | - Jenalee R Doom
- Department of Psychology, University of Denver, Denver, CO, USA
| | - Robert J Gallop
- Department of Mathematics, West Chester University, West Chester, PA, USA
| | - M Camille Hoffman
- Department of Psychiatry, University of Colorado Anschutz Medical Campus, Aurora, CO, USA; Division of Maternal and Fetal Medicine, Department of Obstetrics and Gynecology, University of Colorado Denver School of Medicine, Aurora, CO, USA
| | - Catherine H Demers
- Department of Psychology, University of Denver, Denver, CO, USA; Department of Psychiatry, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Benjamin L Hankin
- Department of Psychology, University of Illinois at Urbana-Champaign, Champaign, IL, USA
| | - Elysia Poggi Davis
- Department of Psychology, University of Denver, Denver, CO, USA; Department of Pediatrics, University of California, Irvine, Irvine, CA, USA
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Hahn CG, Wang HY, Cho DS, Talbot K, Gur RE, Berrettini WH, Bakshi K, Kamins J, Borgmann-Winter KE, Siegel SJ, Gallop RJ, Arnold SE. Editorial Expression of Concern: Altered neuregulin 1-erbB4 signaling contributes to NMDA> receptor hypofunction in schizophrenia. Nat Med 2024; 30:911. [PMID: 38114668 DOI: 10.1038/s41591-023-02757-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Affiliation(s)
- Chang-Gyu Hahn
- Department of Psychiatry, Cellular and Molecular Neuropathology Program, Center for Neurobiology and Behavior, University of Pennsylvania, Philadelphia, 19104, Pennsylvania, USA.
| | - Hoau-Yan Wang
- Department of Physiology and Pharmacology, City University of New York Medical School, 160 Convent Avenue, New York, 10031, New York, USA
| | - Dan-Sung Cho
- Department of Psychiatry, Cellular and Molecular Neuropathology Program, Center for Neurobiology and Behavior, University of Pennsylvania, Philadelphia, 19104, Pennsylvania, USA
| | - Konrad Talbot
- Department of Psychiatry, Cellular and Molecular Neuropathology Program, Center for Neurobiology and Behavior, University of Pennsylvania, Philadelphia, 19104, Pennsylvania, USA
| | - Raquel E Gur
- Department of Psychiatry, Cellular and Molecular Neuropathology Program, Center for Neurobiology and Behavior, University of Pennsylvania, Philadelphia, 19104, Pennsylvania, USA
| | - Wade H Berrettini
- Department of Psychiatry, Cellular and Molecular Neuropathology Program, Center for Neurobiology and Behavior, University of Pennsylvania, Philadelphia, 19104, Pennsylvania, USA
| | - Kalindi Bakshi
- Department of Physiology and Pharmacology, City University of New York Medical School, 160 Convent Avenue, New York, 10031, New York, USA
| | - Joshua Kamins
- Department of Psychiatry, Cellular and Molecular Neuropathology Program, Center for Neurobiology and Behavior, University of Pennsylvania, Philadelphia, 19104, Pennsylvania, USA
| | - Karin E Borgmann-Winter
- Department of Psychiatry, Cellular and Molecular Neuropathology Program, Center for Neurobiology and Behavior, University of Pennsylvania, Philadelphia, 19104, Pennsylvania, USA
| | - Steven J Siegel
- Department of Psychiatry, Cellular and Molecular Neuropathology Program, Center for Neurobiology and Behavior, University of Pennsylvania, Philadelphia, 19104, Pennsylvania, USA
| | - Robert J Gallop
- Department of Mathematics, Applied Statistics Program, West Chester University, 323 Anderson Hall, West Chester, 19380, Pennsylvania, USA
| | - Steven E Arnold
- Department of Psychiatry, Cellular and Molecular Neuropathology Program, Center for Neurobiology and Behavior, University of Pennsylvania, Philadelphia, 19104, Pennsylvania, USA
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Flatt AJ, Sheikh S, Peleckis AJ, Alvarado P, Hadjiliadis D, Stefanovski D, Gallop RJ, Rubenstein RC, Kelly A, Rickels MR. Preservation of β-cell Function in Pancreatic Insufficient Cystic Fibrosis With Highly Effective CFTR Modulator Therapy. J Clin Endocrinol Metab 2023; 109:151-160. [PMID: 37503734 PMCID: PMC10735317 DOI: 10.1210/clinem/dgad443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 06/16/2023] [Accepted: 07/26/2023] [Indexed: 07/29/2023]
Abstract
CONTEXT Elexacaftor/tezacaftor/ivacaftor (ETI; Trikafta) enhances aberrant cystic fibrosis transmembrane conductance regulator function and may improve the insulin secretory defects associated with a deterioration in clinical outcomes in pancreatic insufficient cystic fibrosis (PI-CF). OBJECTIVE This longitudinal case-control study assessed changes in β-cell function and secretory capacity measures over 2 visits in individuals with PI-CF who were initiated on ETI after the baseline visit (2012-2018) and (1) restudied between 2019 and 2021 (ETI group) vs (2) those restudied between 2015 and 2018 and not yet treated with cystic fibrosis transmembrane conductance regulator modulator therapy (controls). METHODS Nine ETI participants (mean ± SD age, 25 ± 5 years) and 8 matched controls were followed up after a median (interquartile range) 5 (4-7) and 3 (2-3) years, respectively (P < .01), with ETI initiation a median of 1 year before follow-up. Clinical outcomes, glucose-potentiated arginine, and mixed-meal tolerance test measures were assessed with comparisons of within- and between-group change by nonparametric testing. RESULTS Glucose-potentiated insulin and C-peptide responses to glucose-potentiated arginine deteriorated in controls but not in the ETI group, with C-peptide changes different between groups (P < .05). Deterioration in basal proinsulin secretory ratio was observed in controls but improved, as did the maximal arginine-induced proinsulin secretory ratio, in the ETI group (P < .05 for all comparisons). During mixed-meal tolerance testing, early insulin secretion improved as evidenced by more rapid insulin secretory rate kinetics. CONCLUSION ETI preserves β-cell function in CF through effects on glucose-dependent insulin secretion, proinsulin processing, and meal-related insulin secretion. Further work should determine whether early intervention with ETI can prevent deterioration of glucose tolerance in PI-CF.
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Affiliation(s)
- Anneliese J Flatt
- Division of Endocrinology, Diabetes & Metabolism, Department of Medicine and Institute for Diabetes, Obesity & Metabolism, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Saba Sheikh
- Division of Pulmonary and Sleep Medicine, Children's Hospital of Philadelphia and Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Amy J Peleckis
- Division of Endocrinology, Diabetes & Metabolism, Department of Medicine and Institute for Diabetes, Obesity & Metabolism, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Paola Alvarado
- Division of Endocrinology, Diabetes & Metabolism, Department of Medicine and Institute for Diabetes, Obesity & Metabolism, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Denis Hadjiliadis
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Darko Stefanovski
- New Bolton Center, University of Pennsylvania School of Veterinary Medicine, Kennett Square, PA 19348, USA
| | - Robert J Gallop
- Department of Biostatistics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Ronald C Rubenstein
- Division of Allergy and Pulmonary Medicine, Department of Pediatrics, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Andrea Kelly
- Division of Endocrinology and Diabetes, Children's Hospital of Philadelphia and Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Michael R Rickels
- Division of Endocrinology, Diabetes & Metabolism, Department of Medicine and Institute for Diabetes, Obesity & Metabolism, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA
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Flynn AN, McAllister A, Kete C, Koelper NC, Gallop RJ, Schreiber CA, Schapira MM, Sonalkar S. Evaluation of a decision aid for early pregnancy loss: A pilot randomized controlled trial in Philadelphia, Pennsylvania. Contraception 2023; 125:110077. [PMID: 37270163 DOI: 10.1016/j.contraception.2023.110077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 05/17/2023] [Accepted: 05/18/2023] [Indexed: 06/05/2023]
Abstract
OBJECTIVES To evaluate the effect of a decision aid on decisional conflict scale in patients choosing management for early pregnancy loss. STUDY DESIGN We conducted a pilot randomized control trial to assess the effect of the Healthwise patient decision aid on decisional conflict scale in patients with early pregnancy loss as compared with a control website. Patients 18years and older were eligible if they had an early pregnancy loss between 5 and 12 completed weeks of gestation. Participants completed surveys at baseline, poststudy intervention, after consultation, and 1week postconsultation. Surveys assessed participant scores on the decisional conflict scale (scale 0-100), knowledge, assessment of shared decision-making, satisfaction, and decision regret. Our primary outcome was the poststudy-intervention decisional conflict scale score. RESULTS From July 2020 through March 2021 we randomized 60 participants. After the intervention, the median decisional conflict scale score for the control group was 10 [0-30] and 0 [0-20] for the intervention group (p = 0.17). When assessing the decisional conflict scale subscales postintervention, the informed subscale for the control group was 16.7 [0-33.3] as opposed to 0 [0] for the patient decision aid group (p = 0.003). Knowledge remained significantly higher in the experimental arm from the postintervention to the 1-week follow-up. We found no differences between groups when assessing our other metrics. CONCLUSIONS Use of a validated decision aid did not result in statistically significant differences in the total decisional conflict scale scores as compared with the control. Participants allocated to the intervention were more informed postintervention and had consistently higher knowledge scores. IMPLICATIONS Use of a validated decision aid prior to early pregnancy loss management consultation did not affect overall decisional conflict but resulted in improved knowledge.
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Affiliation(s)
- Anne N Flynn
- Department of Obstetrics and Gynecology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States.
| | - Arden McAllister
- Department of Obstetrics and Gynecology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Corinne Kete
- Department of Obstetrics and Gynecology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Nathanael C Koelper
- Department of Obstetrics and Gynecology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Robert J Gallop
- Department of Obstetrics and Gynecology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Courtney A Schreiber
- Department of Obstetrics and Gynecology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Marilyn M Schapira
- Department of General Internal Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Sarita Sonalkar
- Department of Obstetrics and Gynecology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
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Harned MS, Schmidt SC, Korslund KE, Gallop RJ. Development and Evaluation of a Pragmatic Measure of Adherence to Dialectical Behavior Therapy: The DBT Adherence Checklist for Individual Therapy. Adm Policy Ment Health 2023; 50:734-749. [PMID: 37284966 PMCID: PMC10246542 DOI: 10.1007/s10488-023-01274-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/08/2023] [Indexed: 06/08/2023]
Abstract
This paper presents two studies conducted to develop and evaluate a new pragmatic measure of therapist adherence to Dialectical Behavior Therapy (DBT): the DBT Adherence Checklist for Individual Therapy (DBT AC-I). Study 1 used item response analysis to select items from the gold standard DBT Adherence Coding Scale (DBT ACS) using archival data from 1271 DBT sessions. Items were then iteratively refined based on feedback from 33 target end-users to ensure relevance, usability, and understandability. Study 2 examined the psychometric properties of the DBT AC-I as a therapist self-report and observer-rated measure in 100 sessions from 50 therapist-client dyads, while also evaluating predictors of therapist accuracy in self-rated adherence. When used as a therapist self-report measure, concordance between therapist and observer ratings was at least moderate (AC1 ≥ 0.41) for all DBT AC-I items but overall concordance (ICC = 0.09) as well as convergent (r = 0.05) and criterion validity (AUC = 0.54) with the DBT ACS were poor. Higher therapist accuracy was predicted by greater DBT knowledge and adherence as well as more severe client suicidal ideation. When used by trained observers, the DBT AC-I had excellent interrater reliability (ICC = 0.93), convergent validity (r = 0.90), and criterion validity (AUC = 0.94). While therapists' self-rated adherence on the DBT AC-I should not be assumed to reflect their actual adherence, some therapists may self-rate accurately. The DBT AC-I offers an effective and relatively efficient method of evaluating adherence to DBT when used by trained observers.
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Affiliation(s)
- Melanie S Harned
- VA Puget Sound Health Care System, 1660 South Columbian Way, Mailstop S-116-MHC, Seattle, WA, 98108, USA.
- Department of Psychiatry & Behavioral Sciences, University of Washington, Seattle, WA, USA.
- Department of Psychology, University of Washington, Seattle, WA, USA.
| | - Sara C Schmidt
- VA Puget Sound Health Care System, 1660 South Columbian Way, Mailstop S-116-MHC, Seattle, WA, 98108, USA
| | | | - Robert J Gallop
- Department of Mathematics, West Chester University, West Chester, PA, USA
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Hankin BL, Demers CH, Hennessey EMP, Perzow SED, Curran MC, Gallop RJ, Hoffman MC, Davis EP. Effect of Brief Interpersonal Therapy on Depression During Pregnancy: A Randomized Clinical Trial. JAMA Psychiatry 2023:2803843. [PMID: 37074698 PMCID: PMC10116385 DOI: 10.1001/jamapsychiatry.2023.0702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/20/2023]
Abstract
Importance Prenatal depression is prevalent with negative consequences for both the mother and developing fetus. Brief, effective, and safe interventions to reduce depression during pregnancy are needed. Objective To evaluate depression improvement (symptoms and diagnosis) among pregnant individuals from diverse backgrounds randomized to brief interpersonal psychotherapy (IPT) vs enhanced usual care (EUC). Design, Setting, and Participants A prospective, evaluator-blinded, randomized clinical trial, the Care Project, was conducted among adult pregnant individuals who reported elevated symptoms during routine obstetric care depression screening in general practice in obstetrics and gynecology (OB/GYN) clinics. Participants were recruited between July 2017 and August 2021. Repeated measures follow-up occurred across pregnancy from baseline (mean [SD], 16.7 [4.2] gestational weeks) through term. Pregnant participants were randomized to IPT or EUC and included in intent-to-treat analyses. Interventions Treatment comprised an engagement session and 8 active sessions of brief IPT (MOMCare) during pregnancy. EUC included engagement and maternity support services. Main Outcomes and Measures Two depression symptom scales, the 20-item Symptom Checklist and the Edinburgh Postnatal Depression Scale, were assessed at baseline and repeatedly across pregnancy. Structured Clinical Interview for DSM-5 ascertained major depressive disorder (MDD) at baseline and the end of gestation. Results Of 234 participants, 115 were allocated to IPT (mean [SD] age, 29.7 [5.9] years; 57 [49.6%] enrolled in Medicaid; 42 [36.5%] had current MDD; 106 [92.2%] received intervention) and 119 to EUC (mean [SD] age, 30.1 [5.9] years; 62 [52.1%] enrolled in Medicaid; 44 [37%] had MDD). The 20-item Symptom Checklist scores improved from baseline over gestation for IPT but not EUC (d = 0.57; 95% CI, 0.22-0.91; mean [SD] change for IPT vs EUC: 26.7 [1.14] to 13.6 [1.40] vs 27.1 [1.12] to 23.5 [1.34]). IPT participants more rapidly improved on Edinburgh Postnatal Depression Scale compared with EUC (d = 0.40; 95% CI, 0.06-0.74; mean [SD] change for IPT vs EUC: 11.4 [0.38] to 5.4 [0.57] vs 11.5 [0.37] to 7.6 [0.55]). MDD rate by end of gestation had decreased significantly for IPT participants (7 [6.1%]) vs EUC (31 [26.1%]) (odds ratio, 4.99; 95% CI, 2.08-11.97). Conclusions and Relevance In this study, brief IPT significantly reduced prenatal depression symptoms and MDD compared with EUC among pregnant individuals from diverse racial, ethnic, and socioeconomic backgrounds recruited from primary OB/GYN clinics. As a safe, effective intervention to relieve depression during pregnancy, brief IPT may positively affect mothers' mental health and the developing fetus. Trial Registration ClinicalTrials.gov Identifier: NCT03011801.
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Affiliation(s)
- Benjamin L Hankin
- Department of Psychology, University of Illinois at Urbana-Champaign, Champaign
| | - Catherine H Demers
- Department of Psychology, University of Denver, Denver, Colorado
- Department of Psychiatry, University of Colorado Anschutz Medical Campus, Aurora
| | | | - Sarah E D Perzow
- Department of Psychology, University of Denver, Denver, Colorado
| | - Mary C Curran
- School of Social Work, University of Washington, Seattle
| | - Robert J Gallop
- Department of Mathematics, West Chester University, West Chester, Pennsylvania
| | - M Camille Hoffman
- Department of Psychiatry, University of Colorado Anschutz Medical Campus, Aurora
- Division of Maternal and Fetal Medicine, Department of Obstetrics and Gynecology, University of Colorado Denver School of Medicine, Aurora
| | - Elysia Poggi Davis
- Department of Psychology, University of Denver, Denver, Colorado
- Department of Pediatrics, University of California, Irvine, Irvine
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Flatt AJ, Chen E, Peleckis AJ, Dalton-Bakes C, Nguyen HL, Collins HW, Millar JS, Gallop RJ, Rickels MR. Evaluation of Clinical Metrics for Identifying Defective Physiologic Responses to Hypoglycemia in Long-Standing Type 1 Diabetes. Diabetes Technol Ther 2022; 24:737-748. [PMID: 35758724 PMCID: PMC9529296 DOI: 10.1089/dia.2022.0103] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Repeated hypoglycemia exposure leads to impaired awareness of hypoglycemia (IAH) and the development of defective counterregulatory responses. To date, only pancreas or islet transplantation has demonstrated normalization of hypoglycemia awareness and the endogenous glucose production (EGP) response to defend against insulin-induced hypoglycemia in long-standing type 1 diabetes (T1D). This study aims to validate clinical metrics of IAH (Clarke score), hypoglycemia severity (HYPO score), glycemic lability (lability index), and continuous glucose monitoring (CGM) as predictors of absent autonomic symptom (AS) recognition and defective glucose counterregulation during insulin-induced hypoglycemia, thus enabling early identification of individuals with compromised physiologic defense against clinically significant hypoglycemia. Forty-three subjects with mean ± standard deviation age 43 ± 13 years and T1D duration 28 ± 13 years, including 32 with IAH and 11 with hypoglycemia awareness (Aware), and 12 nondiabetic control subjects, underwent single-blinded randomized-paired hyperinsulinemic-euglycemic and hypoglycemic clamp experiments. Receiver operating characteristic (ROC) curves and sensitivity analyses were performed to assess metric prediction of absent AS recognition and defective EGP responses to hypoglycemia. Clarke score and CGM measures of hypoglycemia exposure demonstrated good ability to predict absent AS recognition (area under the curve ≥0.80). A composite threshold of IAH-Clarke ≥4 with ROC curve-derived thresholds for CGM measures of hypoglycemia exposure showed high specificity and predictive value in identifying an absent AS response during the hypoglycemic clamp. Metrics demonstrated poor ability to predict defective glucose counterregulation by the EGP response, which was impaired even in the Aware group. Screening for IAH alongside assessment of CGM data can increase the specificity for identifying individuals with absent hypoglycemia symptom recognition who may benefit from further intervention.
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Affiliation(s)
- Anneliese J. Flatt
- Institute for Diabetes, Obesity, and Metabolism, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Elizabeth Chen
- Institute for Diabetes, Obesity, and Metabolism, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Amy J. Peleckis
- Institute for Diabetes, Obesity, and Metabolism, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Cornelia Dalton-Bakes
- Institute for Diabetes, Obesity, and Metabolism, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Huong-Lan Nguyen
- Institute for Diabetes, Obesity, and Metabolism, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Heather W. Collins
- Institute for Diabetes, Obesity, and Metabolism, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - John S. Millar
- Institute for Diabetes, Obesity, and Metabolism, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
- Institute for Translational Medicine and Therapeutics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
- Division of Translational Medicine and Human Genetics, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Robert J. Gallop
- Department of Biostatistics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
- Department of Mathematics, West Chester University of Pennsylvania, West Chester, Pennsylvania, USA
| | - Michael R. Rickels
- Institute for Diabetes, Obesity, and Metabolism, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
- Institute for Translational Medicine and Therapeutics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
- Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
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9
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Harned MS, Gallop RJ, Schmidt SC, Korslund KE. The temporal relationships between therapist adherence and patient outcomes in dialectical behavior therapy. J Consult Clin Psychol 2022; 90:272-281. [PMID: 35084894 DOI: 10.1037/ccp0000714] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
OBJECTIVE Although Dialectical Behavior Therapy (DBT) is a well-established evidence-based psychotherapy, little is known about the role of therapist adherence in promoting positive outcomes. This study evaluated the temporal relationships between therapist adherence to DBT and patient outcomes, as well as potential moderators of these relationships. METHOD Data were from six clinical trials conducted in research and community settings with a variety of patient populations. In these trials, trained observers rated 83 therapists for adherence during 1,262 DBT individual therapy sessions with 288 patients. Patient outcomes included suicide attempts, nonsuicidal self-injury (NSSI), treatment dropout, psychiatric hospitalizations, and global functioning. Longitudinal mixed-effects models evaluated the time-ordered, bidirectional relationships between adherence and outcomes. RESULTS Higher therapist adherence significantly predicted fewer subsequent suicide attempts (p = .002, η = 0.32) and a lower risk of dropout (p = .002, η = 0.33), and the latter relationship was strongest among patients with comorbid opioid dependence. Higher therapist adherence predicted fewer subsequent hospitalizations among community therapists (p = .001, η = 0.35) and patients that were not exclusively suicidal/self-injuring (p < .001, η = 0.41). Conversely, more frequent NSSI (p = .03, η = 0.22) and worse global functioning (p = .01, η = 0.26) predicted higher subsequent therapist adherence, and the latter relationship was moderated by patient population. CONCLUSIONS Therapist adherence improves several key patient outcomes and retention, highlighting the importance of delivering DBT with adherence to the manual. Therapists may find it easier to deliver DBT adherently to more severely impaired patients. (PsycInfo Database Record (c) 2022 APA, all rights reserved).
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Garbutt JC, Kampov-Polevoy AB, Pedersen C, Stansbury M, Jordan R, Willing L, Gallop RJ. Efficacy and tolerability of baclofen in a U.S. community population with alcohol use disorder: a dose-response, randomized, controlled trial. Neuropsychopharmacology 2021; 46:2250-2256. [PMID: 34155332 PMCID: PMC8580979 DOI: 10.1038/s41386-021-01055-w] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 05/30/2021] [Accepted: 06/01/2021] [Indexed: 02/06/2023]
Abstract
Identification of new medications for alcohol use disorder (AUD) is important for improving treatment options. Baclofen, a GABAB agonist, has been identified as a potential pharmacotherapy for AUD. In a 16-week double-blind, randomized, placebo-controlled trial, we investigated 30 and 90 mg/day of baclofen compared to placebo and examined effects of dose, sex, and level of pretreatment drinking. One hundred and twenty participants with DSM-IV alcohol dependence (age 46.1 (sd = 10.1) years, 51.7% male) were randomized after exclusion for unstable medical/psychiatric illness and/or dependence on drugs other than nicotine. Seventy-three participants completed the trial. A main effect of baclofen was found [%HDD (F(2,112) = 4.16, p = 0.018, d = 0.51 95%CI (0.06-0.95), 13.6 fewer HDD) and %ABST (F(2,112) = 3.68, p = 0.028, d = 0.49 95%CI (0.04-0.93), 12.9 more abstinent days)] and was driven by the 90 mg/day dose. A sex × dose interaction effect was present for both %HDD (F(2,110) = 5.48, p = 0.005) and %ABST (F(2,110) = 3.19, p = 0.045). Men showed a marginally positive effect for 90 mg/day compared to PBO (%HDD t(110) = 1.88, p = 0.063, d = 0.36 95%CI (-0.09-0.80), 15.8 fewer HDD days; %ABST t(110) = 1.68 (p = 0.096, d = 0.32 95%CI (-0.12-0.76), 15.7 more ABST)) with no effect for 30 mg/day. Women showed a positive effect for 30 mg/day (%HDD, t(110) = 3.19, p = 0.002, d = 0.61 95%CI (0.16-1.05), 26.3 fewer HDD days; %ABST t(110) = 2.73, p = 0.007, d = 0.52 95%CI (0.07-0.96), 25.4 more ABST days) with marginal effects for 90 mg/day on %ABST (p = 0.06) with drop-outs/dose reduction from sedative side-effects of 59% in women at 90 mg/day compared to 5% for men. These findings support the hypothesis that baclofen has efficacy in AUD and suggest that dose and sex be further explored as potential moderators of baclofen response and tolerability.
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Affiliation(s)
- James C. Garbutt
- grid.10698.360000000122483208Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC USA ,grid.10698.360000000122483208Bowles Center for Alcohol Studies, University of North Carolina at Chapel Hill, Chapel Hill, NC USA
| | - Alexei B. Kampov-Polevoy
- grid.10698.360000000122483208Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC USA ,grid.10698.360000000122483208Bowles Center for Alcohol Studies, University of North Carolina at Chapel Hill, Chapel Hill, NC USA
| | - Cort Pedersen
- grid.10698.360000000122483208Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC USA
| | - Melissa Stansbury
- grid.10698.360000000122483208Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC USA
| | - Robyn Jordan
- grid.10698.360000000122483208Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC USA
| | - Laura Willing
- grid.10698.360000000122483208Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC USA
| | - Robert J. Gallop
- grid.268132.c0000 0001 0701 2416Department of Mathematics, Applied Statistics Program, West Chester University, West Chester, PA USA
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11
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Harned MS, Schmidt SC, Korslund KE, Gallop RJ. Does Adding the Dialectical Behavior Therapy Prolonged Exposure (DBT PE) Protocol for PTSD to DBT Improve Outcomes in Public Mental Health Settings? A Pilot Nonrandomized Effectiveness Trial With Benchmarking. Behav Ther 2021; 52:639-655. [PMID: 33990239 PMCID: PMC8124086 DOI: 10.1016/j.beth.2020.08.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 08/24/2020] [Accepted: 08/25/2020] [Indexed: 10/23/2022]
Abstract
The Dialectical Behavior Therapy Prolonged Exposure (DBT PE) protocol improves DBT's effects on PTSD in research settings, but its effectiveness in community settings is largely unknown. This pilot nonrandomized controlled trial examined DBT with and without DBT PE in four public mental health agencies. Patients (N = 35, 12-56 years old, 80.0% female, 64.7% racial/ethnic minorities, 44.1% sexual minorities) had PTSD, were receiving DBT, and completed assessments every four months over one year. Sixteen patients (45.7%) initiated DBT PE, 19 (54.3%) did not, and dropout did not differ between groups (31.3% vs. 26.3%). The primary barrier to initiating DBT PE was clinician turnover (57.9% of non-initiators). After adjusting for confounds, DBT PE initiators (g = 1.1) and completers (g = 1.4) showed a greater reduction in PTSD than patients who received DBT only (g = 0.5; p's < .05). Rates of reliable improvement in PTSD were 71.4% (DBT PE completers), 53.8% (DBT PE initiators), and 31.3% (DBT). Similar patterns were observed for posttraumatic cognitions, emotion dysregulation, general psychological distress, and limited activity days. There was no worsening of self-injurious behavior or crisis service use among patients who received DBT PE. Benchmarking analyses indicated comparable feasibility, acceptability, and safety, but a smaller magnitude of clinical change, than in efficacy studies. Results require replication in a randomized trial but suggest that DBT PE can be transported effectively to community settings.
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Affiliation(s)
- Melanie S. Harned
- University of Washington, Seattle, WA, USA,VA Puget Sound Health Care System, Seattle, WA, USA
| | - Sara C. Schmidt
- University of Washington, Seattle, WA, USA,VA Puget Sound Health Care System, Seattle, WA, USA
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12
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Harned MS, Korslund KE, Schmidt SC, Gallop RJ. The Dialectical Behavior Therapy Adherence Coding Scale (DBT ACS): Psychometric properties. Psychol Assess 2021; 33:552-561. [PMID: 33764118 DOI: 10.1037/pas0000999] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The Dialectical Behavior Therapy Adherence Coding Scale (DBT ACS) is an observer-rated measure used to evaluate the extent to which therapists deliver individual and group DBT with adherence to the manual. Despite its frequent use in clinical trials of DBT, relatively little is known about its psychometric properties. The present study utilized data from six clinical trials conducted in research and community settings with a variety of patient populations. Across these studies, the DBT ACS was used to code a total of 1,271 DBT individual therapy sessions and 180 DBT group sessions. Results indicate the DBT ACS computed global score has good internal consistency (α = .81) and excellent interrater reliability (ICC = .93). A confirmatory factor analysis found that a single factor yielded acceptable goodness of fit indices. The DBT ACS discriminated between DBT and another treatment and between research and community therapists. Across studies, variability in adherence scores was attributable more to therapists (33%) than to patients (15%). Both therapist and patient variability were higher in effectiveness than efficacy trials. Generalizability coefficients indicated that 5 sessions are needed to estimate a dependable adherence score at the patient level, whereas 9-15 sessions are needed to achieve adequate generalizability at the therapist level. Fewer sessions were needed to yield dependable scores for community therapists compared to research therapists. The DBT ACS appears to be a reliable, valid, and dependable method of assessing therapist adherence to individual and group DBT across diverse treatment settings, therapist types, and patient populations. (PsycInfo Database Record (c) 2021 APA, all rights reserved).
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13
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Anderson BJ, Calfee CS, Liu KD, Reilly JP, Kangelaris KN, Shashaty MGS, Lazaar AL, Bayliffe AI, Gallop RJ, Miano TA, Dunn TG, Johansson E, Abbott J, Jauregui A, Deiss T, Vessel K, Belzer A, Zhuo H, Matthay MA, Meyer NJ, Christie JD. Plasma sTNFR1 and IL8 for prognostic enrichment in sepsis trials: a prospective cohort study. Crit Care 2019; 23:400. [PMID: 31818332 PMCID: PMC6902425 DOI: 10.1186/s13054-019-2684-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Accepted: 11/22/2019] [Indexed: 01/07/2023]
Abstract
Background Enrichment strategies improve therapeutic targeting and trial efficiency, but enrichment factors for sepsis trials are lacking. We determined whether concentrations of soluble tumor necrosis factor receptor-1 (sTNFR1), interleukin-8 (IL8), and angiopoietin-2 (Ang2) could identify sepsis patients at higher mortality risk and serve as prognostic enrichment factors. Methods In a multicenter prospective cohort study of 400 critically ill septic patients, we derived and validated thresholds for each marker and expressed prognostic enrichment using risk differences (RD) of 30-day mortality as predictive values. We then used decision curve analysis to simulate the prognostic enrichment of each marker and compare different prognostic enrichment strategies. Measurements and main results An admission sTNFR1 concentration > 8861 pg/ml identified patients with increased mortality in both the derivation (RD 21.6%) and validation (RD 17.8%) populations. Among immunocompetent patients, an IL8 concentration > 94 pg/ml identified patients with increased mortality in both the derivation (RD 17.7%) and validation (RD 27.0%) populations. An Ang2 level > 9761 pg/ml identified patients at 21.3% and 12.3% increased risk of mortality in the derivation and validation populations, respectively. Using sTNFR1 or IL8 to select high-risk patients improved clinical trial power and efficiency compared to selecting patients with septic shock. Ang2 did not outperform septic shock as an enrichment factor. Conclusions Thresholds for sTNFR1 and IL8 consistently identified sepsis patients with higher mortality risk and may have utility for prognostic enrichment in sepsis trials.
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Affiliation(s)
- Brian J Anderson
- Division of Pulmonary, Allergy and Critical Care Medicine, Perelman School of Medicine, University of Pennsylvania, 3400 Spruce Street, 5036 Gates Building, Philadelphia, PA, 19104, USA.
| | - Carolyn S Calfee
- Division of Pulmonary and Critical Care Medicine, University of California San Francisco, San Francisco, USA
| | - Kathleen D Liu
- Division of Pulmonary and Critical Care Medicine, University of California San Francisco, San Francisco, USA
| | - John P Reilly
- Division of Pulmonary, Allergy and Critical Care Medicine, Perelman School of Medicine, University of Pennsylvania, 3400 Spruce Street, 5036 Gates Building, Philadelphia, PA, 19104, USA
| | - Kirsten N Kangelaris
- Division of Hospital Medicine, Department of Medicine, University of California San Francisco, San Francisco, USA
| | - Michael G S Shashaty
- Division of Pulmonary, Allergy and Critical Care Medicine, Perelman School of Medicine, University of Pennsylvania, 3400 Spruce Street, 5036 Gates Building, Philadelphia, PA, 19104, USA.,Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, USA
| | - Aili L Lazaar
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, USA.,GlaxoSmithKline R&D, Brentford, UK
| | | | - Robert J Gallop
- Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, USA.,Department of Mathematics, West Chester University, West Chester, USA
| | - Todd A Miano
- Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, USA
| | - Thomas G Dunn
- Division of Pulmonary, Allergy and Critical Care Medicine, Perelman School of Medicine, University of Pennsylvania, 3400 Spruce Street, 5036 Gates Building, Philadelphia, PA, 19104, USA
| | - Erik Johansson
- Division of Pulmonary, Allergy and Critical Care Medicine, Perelman School of Medicine, University of Pennsylvania, 3400 Spruce Street, 5036 Gates Building, Philadelphia, PA, 19104, USA
| | - Jason Abbott
- Division of Pulmonary and Critical Care Medicine, University of California San Francisco, San Francisco, USA
| | - Alejandra Jauregui
- Division of Pulmonary and Critical Care Medicine, University of California San Francisco, San Francisco, USA
| | - Thomas Deiss
- Division of Pulmonary and Critical Care Medicine, University of California San Francisco, San Francisco, USA
| | - Kathryn Vessel
- Division of Pulmonary and Critical Care Medicine, University of California San Francisco, San Francisco, USA
| | - Annika Belzer
- Division of Pulmonary and Critical Care Medicine, University of California San Francisco, San Francisco, USA
| | - Hanjing Zhuo
- Division of Pulmonary and Critical Care Medicine, University of California San Francisco, San Francisco, USA
| | - Michael A Matthay
- Division of Pulmonary and Critical Care Medicine, University of California San Francisco, San Francisco, USA
| | - Nuala J Meyer
- Division of Pulmonary, Allergy and Critical Care Medicine, Perelman School of Medicine, University of Pennsylvania, 3400 Spruce Street, 5036 Gates Building, Philadelphia, PA, 19104, USA
| | - Jason D Christie
- Division of Pulmonary, Allergy and Critical Care Medicine, Perelman School of Medicine, University of Pennsylvania, 3400 Spruce Street, 5036 Gates Building, Philadelphia, PA, 19104, USA.,Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, USA
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14
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Diamond GS, Kobak RR, Krauthamer Ewing ES, Levy SA, Herres JL, Russon JM, Gallop RJ. A Randomized Controlled Trial: Attachment-Based Family and Nondirective Supportive Treatments for Youth Who Are Suicidal. J Am Acad Child Adolesc Psychiatry 2019; 58:721-731. [PMID: 30768418 PMCID: PMC6491252 DOI: 10.1016/j.jaac.2018.10.006] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 10/05/2018] [Accepted: 10/22/2018] [Indexed: 12/15/2022]
Abstract
OBJECTIVE To evaluate the efficacy of attachment-based family therapy (ABFT) compared with a family-enhanced nondirective supportive therapy (FE-NST) for decreasing adolescents' suicide ideation and depressive symptoms. METHOD A randomized controlled trial of 129 adolescents who are suicidal ages 12- to 18-years-old (49% were African American) were randomized to ABFT (n = 66) or FE-NST (n = 63) for 16 weeks of treatment. Assessments occurred at baseline and 4, 8, 12, and 16 weeks. Trajectory of change and clinical recovery were calculated for suicidal ideation and depressive symptoms. RESULTS There was no significant between-group difference in the rate of change in self-reported ideation (Suicidal Ideation Questionnaire-Jr; F1,127 = 181, p = .18). Similar results were found for depressive symptoms. However, adolescents receiving ABFT showed a significant decrease in suicide ideation (t127 = 12.61, p < .0001; effect size, d = 2.24). Adolescents receiving FE-NST showed a similar significant decrease (t127 = 10.88, p < .0001; effect size, d = 1.93). Response rates (ie, ≥50% decrease in suicide ideation symptoms from baseline) at post-treatment were 69.1% for ABFT versus 62.3% for FE-NST. CONCLUSION Contrary to expectations, ABFT did not perform better than FE-NST. The 2 treatments produced substantial decreases in suicidal ideation and depressive symptoms that were comparable to or better than those reported in other more intensive, multicomponent treatments. The equivalent outcomes could be attributed to common treatment elements, different active mechanisms, or regression to the mean. Future studies will explore long-term follow up, secondary outcomes, and potential moderators and mediators. CLINICAL TRIAL REGISTRATION INFORMATION Attachment-Based Family Therapy for Suicidal Adolescents; http://clinicaltrials.gov; NCT01537419.
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Affiliation(s)
- Guy S Diamond
- Center for Family Intervention Science, Drexel University, Philadelphia, PA.
| | | | | | - Suzanne A Levy
- Center for Family Intervention Science, Drexel University, Philadelphia, PA
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15
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McCarthy AE, Young JF, Benas JS, Gallop RJ. SCHOOL-RELATED OUTCOMES FROM A RANDOMIZED CONTROLLED TRIAL OF ADOLESCENT DEPRESSION PREVENTION PROGRAMS. J Emot Behav Disord 2018; 26:170-181. [PMID: 30116100 PMCID: PMC6089534 DOI: 10.1177/1063426617717739] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Previous research has demonstrated the effectiveness of school-based depression prevention programs in reducing depressive symptoms and improving functioning. This study examined whether these programs have positive effects on school-related outcomes. Students at 10 middle and high schools in New Jersey were randomized to weekly sessions of Interpersonal Psychotherapy - Adolescent Skills Training (IPT-AST) or group counseling (GC). Analyses examined whether there were intervention effects on participants' grades, attendance rates, and disciplinary outcomes over approximately one year post-intervention. Although there were no significant main effects of intervention condition, moderation analyses indicated more favorable effects of IPT-AST among certain higher-risk subgroups (e.g., those from low-income families). Participants who experienced meaningful improvement in their depressive symptoms had significantly more positive outcomes on overall grades than those who did not experience meaningful improvement, regardless of intervention condition. Further research is needed to clarify the effects of depression prevention programs on these school-related outcomes.
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Affiliation(s)
- Alyssa E McCarthy
- Department of Psychology, Rutgers, The State University of New Jersey, 152 Frelinghuysen Road, Piscataway Township, NJ 08854
| | - Jami F Young
- Graduate School of Applied and Professional Psychology, Rutgers, The State University of New Jersey, 152 Frelinghuysen Road, Piscataway Township, NJ 08854
| | - Jessica S Benas
- Graduate School of Applied and Professional Psychology, Rutgers, The State University of New Jersey, 152 Frelinghuysen Road, Piscataway Township, NJ 08854
| | - Robert J Gallop
- Department of Mathematics, West Chester University, 25 University Avenue, West Chester, PA 19383
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Diamond GS, Herres JL, Krauthamer Ewing ES, Atte TO, Scott SW, Wintersteen MB, Gallop RJ. Comprehensive Screening for Suicide Risk in Primary Care. Am J Prev Med 2017; 53:48-54. [PMID: 28410860 DOI: 10.1016/j.amepre.2017.02.020] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Revised: 01/25/2017] [Accepted: 02/24/2017] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Suicide is a major public health problem and a complex clinical challenge. Assessment and early identification could be enhanced with screening tools that look beyond depression. The purpose of this study was to identify profiles of risk behaviors and social stress associated with suicidal ideation and behavior using the Behavioral Health Screen. METHODS The study used screening data from 2,513 primary care patients (aged 14-24 years). Data were collected between 2008 and 2012, and were analyzed in 2016. RESULTS Latent class analysis identified a high and low risk profile. Domains of primary influence included substance use, sexual assault, same-sex behavior, and unsafe sex. The high-risk group was 11 times more likely to have made a suicide attempt, five times more likely to report a history of suicidal ideation and behavior, and three times more likely to report recent suicidal ideation and behavior. CONCLUSIONS Risk behaviors and social stress contribute to the risk for suicide above and beyond depression and should be assessed during routine primary care visits with adolescents. The Behavioral Health Screen can screen all these domains and thus assist primary care providers in assessing for both psychiatric and social stress factors associated with youth suicide.
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Affiliation(s)
- Guy S Diamond
- Couple and Family Therapy Department, Drexel University, Philadelphia, Pennsylvania.
| | - Joanna L Herres
- College of Nursing and Health Professions, Health Sciences Department, Drexel University, Philadelphia, Pennsylvania
| | | | - Tita O Atte
- Couple and Family Therapy Department, Drexel University, Philadelphia, Pennsylvania
| | - Syreeta W Scott
- Couple and Family Therapy Department, Drexel University, Philadelphia, Pennsylvania
| | - Matt B Wintersteen
- Department of Psychiatry and Human Behavior, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Robert J Gallop
- Department of Mathematics, West Chester University, West Chester, Pennsylvania
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17
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Wise EA, Streiner DL, Gallop RJ. Predicting Change in an Integrated Dual Diagnosis Substance Abuse Intensive Outpatient Program. Subst Use Misuse 2017; 52:848-857. [PMID: 28426362 DOI: 10.1080/10826084.2016.1264970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Research on routine outcome monitoring in psychotherapy settings is plentiful but not without implementation obstacles. In fact, there is a relative dearth of real-time outcome monitoring in substance use treatment settings. Numerous barriers to the development and implementation of clinical decision support tools and outcome monitoring of substance use patients, including the need to establish expected trajectories of change and use of reliable change indices have been identified (Goodman, McKay, & DePhilippis, 2013 ). The current study was undertaken to develop expected trajectories of change and to demonstrate the treatment effectiveness of a dual diagnosis intensive outpatient program. The expected trajectories of change for days of substance use and depression scores were developed using predictive equation models from derivation samples and then applied to cross-validation samples. Predictive equations to monitor substance use were developed and validated for all patients and for only patients who were actively using substance at the time of admission, as well as to monitor severity of their depression symptom on a weekly basis. Validation of the equations was assessed through the use of Cohen's kappa (κ), receiver operating characteristic curves, reliable change index, and percentage improvement. Large effect sizes for reductions in substance use (Cohen's d = .76) and depressive symptoms (d = 1.10) are reported. The best predictive models we developed had absolute accuracy rates ranging from 95 to 100%. The findings from this study indicate that predictive equations for depressive symptoms and days of substance use can be derived and validated on dual diagnosis samples.
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Affiliation(s)
- Edward A Wise
- a Mental Health Resources , PLLC , Memphis , Tennessee , USA
| | - David L Streiner
- b Department of Psychiatry , McMaster University , Hamilton , Canada
| | - Robert J Gallop
- c Applied Statistics Program , West Chester University , West Chester , Pennsylvania , USA
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Harned MS, Gallop RJ, Valenstein-Mah HR. What changes when? The course of improvement during a stage-based treatment for suicidal and self-injuring women with borderline personality disorder and PTSD. Psychother Res 2016; 28:761-775. [PMID: 27808001 DOI: 10.1080/10503307.2016.1252865] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
OBJECTIVE Dialectical Behavior Therapy (DBT) with the DBT Prolonged Exposure (DBT PE) protocol is an integrated treatment for suicidal and self-injuring individuals with PTSD and borderline personality disorder (BPD) that occurs in three stages: Stage 1 targets behavioral dyscontrol, Stage 2 targets posttraumatic stress disorder (PTSD) via the DBT PE protocol, and Stage 3 addresses remaining problems. We evaluated the course of change in multiple outcomes across these three stages and compared them to changes found in DBT alone. METHOD Participants were 38 women with BPD, PTSD and recent suicidal and/or non-suicidal self-injury. Data were collected weekly or bi-weekly to assess PTSD, BPD, global well-being, state dissociation, and urges to engage in problem behaviors. RESULTS In DBT + DBT PE, there was a significant improvement in PTSD in Stage 2 and in PTSD, BPD, and state dissociation in Stage 3. Compared to DBT, DBT + DBT PE led to significantly higher global well-being and moderately, but non-significantly, lower PTSD and BPD in Stages 2 and/or 3. CONCLUSIONS PTSD does not improve until it is directly targeted and changes in other comorbid problems occur after PTSD is treated. Adding the DBT PE protocol to DBT was associated with improvement rather than worsening of outcomes.
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Affiliation(s)
- Melanie S Harned
- a Behavioral Research and Therapy Clinics , University of Washington , Seattle , WA , USA
| | - Robert J Gallop
- b Department of Mathematics and Applied Statistics, West Chester University , West Chester , PA , USA
| | - Helen R Valenstein-Mah
- a Behavioral Research and Therapy Clinics , University of Washington , Seattle , WA , USA
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Garbutt JC, Kampov-Polevoy AB, Kalka-Juhl LS, Gallop RJ. Association of the Sweet-Liking Phenotype and Craving for Alcohol With the Response to Naltrexone Treatment in Alcohol Dependence: A Randomized Clinical Trial. JAMA Psychiatry 2016; 73:1056-1063. [PMID: 27627782 DOI: 10.1001/jamapsychiatry.2016.2157] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
IMPORTANCE Identification of moderators of the response to naltrexone hydrochloride treatment for alcohol dependence could improve clinical care for patients with alcohol use disorders. OBJECTIVE To investigate the preliminary finding that the sweet-liking (SL) phenotype interacts with a high level of craving for alcohol and is associated with an improved response to naltrexone in alcohol dependence. DESIGN, SETTING, AND PARTICIPANTS This 12-week double-blind, randomized, placebo-controlled clinical trial was conducted from February 1, 2010, to April 30, 2012, in an academic outpatient medical center. Eighty actively drinking patients were randomized by the SL (n = 22) or the sweet-disliking (SDL) (n = 58) phenotype and by pretreatment high (n = 40) or low (n = 40) craving for alcohol, with high craving defined as greater than the median. Patients and staff were blinded to categorization. Patients were excluded for unstable medical or psychiatric illness, including dependence on drugs other than nicotine. Four patients (2 in the placebo arm and 2 in the naltrexone arm) stopped medication therapy because of adverse effects. Data were analyzed from January 15, 2013, to May 15, 2016, based on intention to treat. INTERVENTIONS Oral naltrexone hydrochloride, 50 mg/d, or daily placebo with weekly to biweekly brief counseling. MAIN OUTCOMES AND MEASURES The a priori hypothesis tested SL/SDL phenotype, pretreatment craving, and their interaction as moderators of frequency of abstinent and heavy drinking days during treatment, assessed with the timeline follow-back method. RESULTS Eighty patients were randomized (57 men [71%]; 23 women [29%]; mean [SD] age, 47.0 [8.6] years). A nonsignificant effect of naltrexone on heavy drinking was noted (4.8 fewer heavy drinking days; Cohen d = 0.45; 95% CI, -0.01 to 0.90; F1,67 = 3.52; P = .07). The SL phenotype moderated the effect of naltrexone on heavy drinking (6.1 fewer heavy drinking days; Cohen d = 0.58; 95% CI, 0.12-1.03; F1,67 = 5.65; P = .02) and abstinence (10.0 more abstinent days; Cohen d = 0.57; 95% CI, 0.11-1.02; F1,67 = 5.36; P = .02), and high craving moderated heavy drinking (7.1 fewer heavy drinking days; Cohen d = 0.66; 95% CI, 0.20-1.11; F1,67 = 7.37; P = .008). The combination of the SL phenotype and high craving was associated with a strong response to naltrexone, with 17.1 fewer heavy drinking days (Cohen d = 1.07; 95% CI, 0.58-1.54; F1,67 = 19.33; P < .001) and 28.8 more abstinent days (Cohen d = 0.72; 95% CI, 0.25-1.17; F1,67 = 8.73; P = .004) compared with placebo. CONCLUSIONS AND RELEVANCE The SL phenotype and a high craving for alcohol independently and particularly in combination are associated with a positive response to naltrexone. The SL/SDL phenotype and a high craving for alcohol merit further investigation as factors to identify patients with alcohol dependence who are responsive to naltrexone. TRIAL REGISTRATION clinicaltrials.gov Identifier: NCT01296646.
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Affiliation(s)
- James C Garbutt
- Department of Psychiatry, University of North Carolina at Chapel Hill2Bowles Center for Alcohol Studies, University of North Carolina at Chapel Hill
| | - Alexey B Kampov-Polevoy
- Department of Psychiatry, University of North Carolina at Chapel Hill2Bowles Center for Alcohol Studies, University of North Carolina at Chapel Hill
| | | | - Robert J Gallop
- Applied Statistics Program, Department of Mathematics, West Chester University, West Chester, Pennsylvania
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Linehan MM, Korslund KE, Harned MS, Gallop RJ, Lungu A, Neacsiu AD, McDavid J, Comtois KA, Murray-Gregory AM. Dialectical behavior therapy for high suicide risk in individuals with borderline personality disorder: a randomized clinical trial and component analysis. JAMA Psychiatry 2015; 72:475-82. [PMID: 25806661 DOI: 10.1001/jamapsychiatry.2014.3039] [Citation(s) in RCA: 292] [Impact Index Per Article: 32.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
IMPORTANCE Dialectical behavior therapy (DBT) is an empirically supported treatment for suicidal individuals. However, DBT consists of multiple components, including individual therapy, skills training, telephone coaching, and a therapist consultation team, and little is known about which components are needed to achieve positive outcomes. OBJECTIVE To evaluate the importance of the skills training component of DBT by comparing skills training plus case management (DBT-S), DBT individual therapy plus activities group (DBT-I), and standard DBT which includes skills training and individual therapy. DESIGN, SETTING, AND PARTICIPANTS We performed a single-blind randomized clinical trial from April 24, 2004, through January 26, 2010, involving 1 year of treatment and 1 year of follow-up. Participants included 99 women (mean age, 30.3 years; 69 [71%] white) with borderline personality disorder who had at least 2 suicide attempts and/or nonsuicidal self-injury (NSSI) acts in the last 5 years, an NSSI act or suicide attempt in the 8 weeks before screening, and a suicide attempt in the past year. We used an adaptive randomization procedure to assign participants to each condition. Treatment was delivered from June 3, 2004, through September 29, 2008, in a university-affiliated clinic and community settings by therapists or case managers. Outcomes were evaluated quarterly by blinded assessors. We hypothesized that standard DBT would outperform DBT-S and DBT-I. INTERVENTIONS The study compared standard DBT, DBT-S, and DBT-I. Treatment dose was controlled across conditions, and all treatment providers used the DBT suicide risk assessment and management protocol. MAIN OUTCOMES AND MEASURES Frequency and severity of suicide attempts and NSSI episodes. RESULTS All treatment conditions resulted in similar improvements in the frequency and severity of suicide attempts, suicide ideation, use of crisis services due to suicidality, and reasons for living. Compared with the DBT-I group, interventions that included skills training resulted in greater improvements in the frequency of NSSI acts (F1,85 = 59.1 [P < .001] for standard DBT and F1,85 = 56.3 [P < .001] for DBT-S) and depression (t399 = 1.8 [P = .03] for standard DBT and t399 = 2.9 [P = .004] for DBT-S) during the treatment year. In addition, anxiety significantly improved during the treatment year in standard DBT (t94 = -3.5 [P < .001]) and DBT-S (t94 = -2.6 [P = .01]), but not in DBT-I. Compared with the DBT-I group, the standard DBT group had lower dropout rates from treatment (8 patients [24%] vs 16 patients [48%] [P = .04]), and patients were less likely to use crisis services in follow-up (ED visits, 1 [3%] vs 3 [13%] [P = .02]; psychiatric hospitalizations, 1 [3%] vs 3 [13%] [P = .03]). CONCLUSIONS AND RELEVANCE A variety of DBT interventions with therapists trained in the DBT suicide risk assessment and management protocol are effective for reducing suicide attempts and NSSI episodes. Interventions that include DBT skills training are more effective than DBT without skills training, and standard DBT may be superior in some areas. TRIAL REGISTRATION clinicaltrials.gov Identifier: NCT00183651.
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Affiliation(s)
- Marsha M Linehan
- Department of Psychology, Behavioral Research and Therapy Clinics, University of Washington, Seattle
| | - Kathryn E Korslund
- Department of Psychology, Behavioral Research and Therapy Clinics, University of Washington, Seattle
| | - Melanie S Harned
- Department of Psychology, Behavioral Research and Therapy Clinics, University of Washington, Seattle
| | - Robert J Gallop
- Department of Mathematics, West Chester University, West Chester, Pennsylvania
| | - Anita Lungu
- Department of Psychology, Behavioral Research and Therapy Clinics, University of Washington, Seattle
| | - Andrada D Neacsiu
- Department of Psychology, Behavioral Research and Therapy Clinics, University of Washington, Seattle3Department of Psychiatry and Behavioral Sciences, Duke University, Durham, North Carolina
| | - Joshua McDavid
- Department of Psychology, Behavioral Research and Therapy Clinics, University of Washington, Seattle4Department of State, Washington, DC
| | - Katherine Anne Comtois
- Department of Psychology, Behavioral Research and Therapy Clinics, University of Washington, Seattle
| | - Angela M Murray-Gregory
- Department of Psychology, Behavioral Research and Therapy Clinics, University of Washington, Seattle
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Cutuli JJ, Gillham JE, Chaplin TM, Reivich KJ, Seligman MEP, Gallop RJ, Abenavoli RM, Freres DR. Preventing adolescents' externalizing and internalizing symptoms: Effects of the Penn Resiliency Program. Int J Emot Educ 2013; 5:67-79. [PMID: 24634897 PMCID: PMC3952879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
This study reports secondary outcome analyses from a past study of the Penn Resiliency Program (PRP), a cognitive-behavioral depression prevention program for middle-school aged children. Middle school students (N = 697) were randomly assigned to PRP, PEP (an alternate intervention), or control conditions. Gillham et al., (2007) reported analyses examining PRP's effects on average and clinical levels of depression symptoms. We examine PRP's effects on parent-, teacher-, and self-reports of adolescents' externalizing and broader internalizing (depression/anxiety, somatic complaints, and social withdrawal) symptoms over three years of follow-up. Relative to no intervention control, PRP reduced parent-reports of adolescents' internalizing symptoms beginning at the first assessment after the intervention and persisting for most of the follow-up assessments. PRP also reduced parent-reported conduct problems relative to no-intervention. There was no evidence that the PRP program produced an effect on teacher- or self-report of adolescents' symptoms. Overall, PRP did not reduce symptoms relative to the alternate intervention, although there is a suggestion of a delayed effect for conduct problems. These findings are discussed with attention to developmental trajectories and the importance of interventions that address common risk factors for diverse forms of negative outcomes.
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Affiliation(s)
- J. J. Cutuli
- Correspondence concerning this article should be addressed to: J. J. Cutuli, PhD, Rutgers University, Armitage Hall, Room 308, 311 North Fifth Street, Camden, NJ 08102,
| | | | | | | | | | - Robert J. Gallop
- Department of Mathematics and Applied Statistics, West Chester University
| | - Rachel M. Abenavoli
- Department of Human Development and Family Studies, Pennsylvania State University
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Greenfield SF, Kuper LE, Cummings AM, Robbins MS, Gallop RJ. Group Process in the single-gender Women's Recovery Group compared with mixed-gender Group Drug Counseling. ACTA ACUST UNITED AC 2013; 8. [PMID: 24294145 DOI: 10.1080/1556035x.2013.836867] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Enhanced affiliation among members is thought to provide increased support for women in single-gender compared with mixed-gender group therapy for substance use disorders (SUDs) and to provide a potential mechanism of action for its efficacy. In a Stage I trial of single-gender versus mixed-gender group therapy for SUDs we examined affiliative statements made by members in two group treatments, single-gender Women's Recovery Group (WRG) and mixed-gender Group Drug Counseling (GDC). Twenty-eight WRG and 17 GDC group therapy tapes were coded and compared for five types of affiliative statements. Three types of affiliative statements (agreement, supportive, and completing a thought) were highly correlated and were more frequent in WRG than GDC (D=0.882, p=0.27). In GDC, women were more likely to provide an affiliative statement to a male group member than any other combination of directionality (p<0.01). Compared with mixed-gender, single-gender group therapy for SUDs may enhance support through greater frequency of affiliative statements.
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Najavits LM, Smylie D, Johnson K, Lung J, Gallop RJ, Classen CC. Seeking Safety Therapy for Pathological Gambling and PTSD: A Pilot Outcome Study. J Psychoactive Drugs 2013; 45:10-6. [DOI: 10.1080/02791072.2013.763557] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Lisa M. Najavits
- a Treatment Innovations, Newton Centre, MA; Lecturer, Department of Psychiatry, Harvard Medical School , Boston , MA , USA
| | - Diane Smylie
- b Former Director of Community Integration and Project Development, Jean Tweed Centre , Toronto , Canada
| | - Kay Johnson
- c Treatment Innovations , Newton Centre , MA , USA
| | - John Lung
- c Treatment Innovations , Newton Centre , MA , USA
| | | | - Catherine C. Classen
- e Women's College Research Institute; Associate Professor, Department of Psychiatry, University of Toronto , Canada
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Atkins DC, Baldwin SA, Zheng C, Gallop RJ, Neighbors C. "A tutorial on count regression and zero-altered count models for longitudinal substance use data": Correction to Atkins et al. (2012). Psychology of Addictive Behaviors 2013. [DOI: 10.1037/a0033147] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Atkins DC, Baldwin SA, Zheng C, Gallop RJ, Neighbors C. A tutorial on count regression and zero-altered count models for longitudinal substance use data. Psychol Addict Behav 2012; 27:166-77. [PMID: 22905895 DOI: 10.1037/a0029508] [Citation(s) in RCA: 256] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Critical research questions in the study of addictive behaviors concern how these behaviors change over time: either as the result of intervention or in naturalistic settings. The combination of count outcomes that are often strongly skewed with many zeroes (e.g., days using, number of total drinks, number of drinking consequences) with repeated assessments (e.g., longitudinal follow-up after intervention or daily diary data) present challenges for data analyses. The current article provides a tutorial on methods for analyzing longitudinal substance use data, focusing on Poisson, zero-inflated, and hurdle mixed models, which are types of hierarchical or multilevel models. Two example datasets are used throughout, focusing on drinking-related consequences following an intervention and daily drinking over the past 30 days, respectively. Both datasets as well as R, SAS, Mplus, Stata, and SPSS code showing how to fit the models are available on a supplemental website.
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Affiliation(s)
- David C Atkins
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA 98105, USA.
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Gillham JE, Reivich KJ, Brunwasser SM, Freres DR, Chajon ND, Kash-Macdonald VM, Chaplin TM, Abenavoli RM, Matlin SL, Gallop RJ, Seligman MEP. Evaluation of a group cognitive-behavioral depression prevention program for young adolescents: a randomized effectiveness trial. J Clin Child Adolesc Psychol 2012; 41:621-39. [PMID: 22889296 DOI: 10.1080/15374416.2012.706517] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Depression is a common psychological problem in adolescence. Recent research suggests that group cognitive-behavioral interventions can reduce and prevent symptoms of depression in youth. Few studies have tested the effectiveness of such interventions when delivered by school teachers and counselors (as opposed to research team staff). We evaluated the effectiveness of the Penn Resiliency Program for adolescents (PRP-A), a school-based group intervention that targets cognitive behavioral risk factors for depression. We randomly assigned 408 middle school students (ages 10-15) to one of three conditions: PRP-A, PRP-AP (in which adolescents participated in PRP-A and parents were invited to attend a parent intervention component), or a school-as-usual control. Adolescents completed measures of depression and anxiety symptoms, cognitive style, and coping at baseline, immediately after the intervention, and at 6-month follow-up. PRP-A reduced depression symptoms relative to the school as usual control. Baseline levels of hopelessness moderated intervention effects. Among participants with average and high levels of hopelessness, PRP (A and AP) significantly improved depression symptoms, anxiety symptoms, hopelessness, and active coping relative to control. Among participants with low baseline hopelessness, we found no intervention effects. PRP-AP was not more effective than PRP-A alone. We found no intervention effects on clinical levels of depression or anxiety. These findings suggest that cognitive-behavioral interventions can be beneficial when delivered by school teachers and counselors. These interventions may be most helpful to students with elevated hopelessness.
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Affiliation(s)
- Jane E Gillham
- Department of Psychology, Swarthmore College, 500 College Avenue, Swarthmore, PA 19081, USA.
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Rickels K, Etemad B, Khalid-Khan S, Lohoff FW, Rynn MA, Gallop RJ. Time to Relapse After 6 and 12 Months' Treatment of Generalized Anxiety Disorder With Venlafaxine Extended Release. ACTA ACUST UNITED AC 2010; 67:1274-81. [DOI: 10.1001/archgenpsychiatry.2010.170] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Cummings AM, Gallop RJ, Greenfield SF. Self-efficacy and substance use outcomes for women in single gender versus mixed-gender group treatment. ACTA ACUST UNITED AC 2010; 5:4-16. [PMID: 21753920 DOI: 10.1080/15560350903543915] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVE: This study examined baseline self-efficacy as a moderator of outcomes comparing women receiving either the Women's Recovery Group (WRG), a new manualized group treatment for substance use disorders combining single-gender group composition and women-focused content, or Group Drug Counseling (GDC), an empirically supported mixed-gender group treatment. METHODS: To understand the relationship of baseline scores of abstinence self-efficacy measured by the Drug-Taking Confidence Questionnaire (DTCQ) to outcome, we included the interaction of group by phase by continuous DTCQ scores in the outcome analyses. Women were split into groups of high versus low abstinence self-efficacy based on the clinical cutoff score of 80 on DTCQ. RESULTS: We found a significant 3-way interaction effect of treatment condition, time, and baseline DTCQ scores on drinking days and days of any substance use per month. Women in WRG had greater reduction in substance use from baseline to post-treatment than women in GDC, and women in WRG with low self-efficacy had the best outcomes overall. CONCLUSION: The findings suggest that women with low self-efficacy may have enhanced treatment outcomes in a single-gender substance use treatment group.
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Dobson KS, Hollon SD, Dimidjian S, Schmaling KB, Kohlenberg RJ, Gallop RJ, Rizvi SL, Gollan JK, Dunner DL, Jacobson NS. Randomized trial of behavioral activation, cognitive therapy, and antidepressant medication in the prevention of relapse and recurrence in major depression. J Consult Clin Psychol 2008; 76:468-77. [PMID: 18540740 DOI: 10.1037/0022-006x.76.3.468] [Citation(s) in RCA: 263] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This study followed treatment responders from a randomized controlled trial of adults with major depression. Patients treated with medication but withdrawn onto pill-placebo had more relapse through 1 year of follow-up compared to patients who received prior behavioral activation, prior cognitive therapy, or continued medication. Prior psychotherapy was also superior to medication withdrawal in the prevention of recurrence across the 2nd year of follow-up. Specific comparisons indicated that patients previously exposed to cognitive therapy were significantly less likely to relapse following treatment termination than patients withdrawn from medication, and patients previously exposed to behavioral activation did almost as well relative to patients withdrawn from medication, although the difference was not significantly different. Differences between behavioral activation and cognitive therapy were small in magnitude and not significantly different across the full 2-year follow-up, and each therapy was at least as efficacious as the continuation of medication. These findings suggest that behavioral activation may be nearly as enduring as cognitive therapy and that both psychotherapies are less expensive and longer lasting alternatives to medication in the treatment of depression.
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Affiliation(s)
- Keith S Dobson
- Department of Psychology, University of Calgary, Calgary, Alberta, Canada.
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Linehan MM, McDavid JD, Brown MZ, Sayrs JHR, Gallop RJ. Olanzapine plus dialectical behavior therapy for women with high irritability who meet criteria for borderline personality disorder: a double-blind, placebo-controlled pilot study. J Clin Psychiatry 2008; 69:999-1005. [PMID: 18466045 DOI: 10.4088/jcp.v69n0617] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
OBJECTIVE This double-blind study examined whether olanzapine augments the efficacy of dialectical behavior therapy (DBT) in reducing anger and hostility in borderline personality disorder patients. METHOD Twenty-four women with borderline personality disorder (DSM-IV criteria) and high levels of irritability and anger received 6 months of DBT. Subjects were randomly assigned to receive either low-dose olanzapine or placebo and were assessed with standardized measures in a double-blind manner. The study was conducted from September 2000 to December 2002. RESULTS Intent-to-treat analyses indicated that both treatment conditions resulted in significant improvement in irritability, aggression, depression, and self-inflicted injury (p < .01 for each). Irritability and aggression scores tended (p < .10) to decrease more quickly for the olanzapine group than for the placebo group. Self-inflicted injury tended (p < .10) to decrease more for the placebo group than for the olanzapine group. CONCLUSIONS Olanzapine may promote more rapid reduction of irritability and aggression than placebo for highly irritable women with borderline personality disorder. Effect sizes were moderate to large, with the small sample size likely limiting the ability to detect significant results. Overall, there were large and consistent reductions in irritability, aggression, depression, and self-injury for both groups of subjects receiving DBT.
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Affiliation(s)
- Marsha M Linehan
- Department of Psychology, University of Washington, Seattle 98195-1525, USA.
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Mikkelsen ME, Dedhiya PM, Kalhan R, Gallop RJ, Lanken PN, Fuchs BD. Potential reasons why physicians underuse lung-protective ventilation: a retrospective cohort study using physician documentation. Respir Care 2008; 53:455-461. [PMID: 18364057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
BACKGROUND Physicians often fail to use lung-protective ventilation (LPV) in patients with acute lung injury. OBJECTIVE To use physician documentation to identify why physicians did not initiate or continue LPV in patients with acute lung injury. METHODS This was a retrospective cohort study in a university hospital. The study period was September 2000 through November 2002. In our primary analysis, LPV was defined as use of a tidal volume < or = 7.5 mL/kg predicted body weight (PBW). We also conducted a sensitivity analysis in which we defined LPV as use of a tidal volume < or = 6.0 mL/kg PBW. RESULTS In our primary analysis, in 42 (56%) of 75 cases, physicians used or intended to use LPV. Of these 42 subjects, 12 received LPV transiently, and 6 never received LPV, despite the fact that the physician ordered or documented LPV use. In 21 of the 33 remaining cases the physicians documented concerns or clinical criteria that may explain why LPV was not used: relative contraindications to LPV (n = 2), change of care goal to comfort care only (n = 1), rapid resolution of hypoxemia (n = 4), and consideration of alternative diagnoses for which LPV was not indicated (n = 14). Of the 12 cases where LPV was used transiently, diagnostic uncertainty (n = 6) was a common finding. The sensitivity analysis yielded explanations in similar proportions. CONCLUSIONS LPV, once initiated, is often discontinued. Uncertainty in the diagnosis of acute lung injury appears to be an important barrier to initiating and continuing LPV, whereas concerns regarding metabolic acidosis and clinical changes (hypoxemia improved) may prevent the initiation of LPV. Even when physicians believe they are using LPV, they may not be, which suggests that protocol-implementation failure is an important barrier to use of LPV.
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Affiliation(s)
- Mark E Mikkelsen
- Division of Pulmonary, Allergy, and Critical Care, Hospital of the University of Pennsylvania, Philadelphia, PA 19104, USA.
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Bender RE, Griffin ML, Gallop RJ, Weiss RD. Assessing negative consequences in patients with substance use and bipolar disorders: psychometric properties of the short inventory of problems (SIP). Am J Addict 2008; 16:503-9. [PMID: 18058418 DOI: 10.1080/10550490701641058] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
The Short Inventory of Problems (SIP), a questionnaire that measures negative consequences of alcohol use, has not been validated among substance users with co-occurring psychiatric illness. This study examined the psychometric properties of the SIP in 57 outpatients diagnosed with substance use disorder and bipolar disorder. We modified the items to assess drugs in addition to alcohol and, further, we added corresponding items to assess consequences of bipolar disorder. This modified version of the SIP was psychometrically sound, and may be useful in patients with both disorders. A greater understanding of perceived negative consequences may enhance outcome assessment in dually diagnosed populations.
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Affiliation(s)
- Rachel E Bender
- Alcohol and Drug Abuse Treatment Program, McLean Hospital, Belmont, Massachusetts 02478, USA
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Mode CJ, Gallop RJ. A review on Monte Carlo simulation methods as they apply to mutation and selection as formulated in Wright-Fisher models of evolutionary genetics. Math Biosci 2008; 211:205-25. [PMID: 18190932 DOI: 10.1016/j.mbs.2007.05.015] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2007] [Accepted: 05/21/2007] [Indexed: 11/17/2022]
Abstract
A case has made for the use of Monte Carlo simulation methods when the incorporation of mutation and natural selection into Wright-Fisher gametic sampling models renders then intractable from the standpoint of classical mathematical analysis. The paper has been organized around five themes. Among these themes was that of scientific openness and a clear documentation of the mathematics underlying the software so that the results of any Monte Carlo simulation experiment may be duplicated by any interested investigator in a programming language of his choice. A second theme was the disclosure of the random number generator used in the experiments to provide critical insights as to whether the generated uniform random variables met the criterion of independence satisfactorily. A third theme was that of a review of recent literature in genetics on attempts to find signatures of evolutionary processes such as natural selection, among the millions of segments of DNA in the human genome, that may help guide the search for new drugs to treat diseases. A fourth theme involved formalization of Wright-Fisher processes in a simple form that expedited the writing of software to run Monte Carlo simulation experiments. Also included in this theme was the reporting of several illustrative Monte Carlo simulation experiments for the cases of two and three alleles at some autosomal locus, in which attempts were to made to apply the theory of Wright-Fisher models to gain some understanding as to how evolutionary signatures may have developed in the human genome and those of other diploid species. A fifth theme was centered on recommendations that more demographic factors, such as non-constant population size, be included in future attempts to develop computer models dealing with signatures of evolutionary process in genomes of various species. A brief review of literature on the incorporation of demographic factors into genetic evolutionary models was also included to expedite and stimulate further development on this theme.
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Affiliation(s)
- Charles J Mode
- Department of Mathematics, Drexel University, Philadelphia, PA 19104, USA.
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Greenfield SF, Potter JS, Lincoln MF, Popuch RE, Kuper L, Gallop RJ. High psychiatric symptom severity is a moderator of substance abuse treatment outcomes among women in single vs. mixed gender group treatment. Am J Drug Alcohol Abuse 2008; 34:594-602. [PMID: 18821452 PMCID: PMC2917826 DOI: 10.1080/00952990802304980] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
OBJECTIVE This exploratory study examined psychiatric symptom severity as a moderator of outcomes among women receiving either the Women's Recovery Group (WRG), a new manualized group treatment for substance use disorders combining single-gender group composition and women-focused content, or Group Drug Counseling (GDC), an empirically supported mixed-gender group treatment. METHODS We used a mixed model analysis of variance. RESULTS We found a significant 3-way interaction effect of treatment condition, time, and baseline Brief Symptom Inventory scores as well as Beck Depression Inventory scores. CONCLUSION Single-gender group treatment may confer added benefit for women with substance abuse and high psychiatric symptom severity than mixed-gender treatment.
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Affiliation(s)
- Shelly F Greenfield
- Alcohol and Drug Abuse Treatment Program, McLean Hospital, Belmont, Massachusetts 02478, USA.
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Atkins DC, Gallop RJ. Rethinking how family researchers model infrequent outcomes: a tutorial on count regression and zero-inflated models. J Fam Psychol 2007; 21:726-35. [PMID: 18179344 DOI: 10.1037/0893-3200.21.4.726] [Citation(s) in RCA: 284] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Marital and family researchers often study infrequent behaviors. These powerful psychological variables, such as abuse, criticism, and drug use, have important ramifications for families and society as well as for the statistical models used to study them. Most researchers continue to rely on ordinary least-squares (OLS) regression for these types of data, but estimates and inferences from OLS regression can be seriously biased for count data such as these. This article presents a tutorial on statistical methods for positively skewed event data, including Poisson, negative binomial, zero-inflated Poisson, and zero-inflated negative binomial regression models. These statistical methods are introduced through a marital commitment example, and the data and computer code to run the example analyses in R, SAS, SPSS, and Mplus are included in the online supplemental material. Extensions and practical advice are given to assist researchers in using these tools with their data.
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Affiliation(s)
- David C Atkins
- Travis Research Institute, Fuller Graduate School of Psychology, Pasadena, CA 91101, USA.
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Greenfield SF, Trucco EM, McHugh RK, Lincoln M, Gallop RJ. The Women's Recovery Group Study: a Stage I trial of women-focused group therapy for substance use disorders versus mixed-gender group drug counseling. Drug Alcohol Depend 2007; 90:39-47. [PMID: 17446014 PMCID: PMC3679366 DOI: 10.1016/j.drugalcdep.2007.02.009] [Citation(s) in RCA: 95] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2006] [Revised: 02/06/2007] [Accepted: 02/08/2007] [Indexed: 10/23/2022]
Abstract
The aim of this Stage I Behavioral Development Trial was to develop a manual-based 12-session Women's Recovery Group (WRG) and to pilot test this new treatment in a randomized controlled trial against a mixed-gender Group Drug Counseling (GDC), an effective manual-based treatment for substance use disorders. After initial manual development, two pre-pilot groups of WRG were conducted to determine feasibility and initial acceptability of the treatment among subjects and therapists. In the pilot stage, women were randomized to either WRG or GDC. No significant differences in substance use outcomes were found between WRG and GDC during the 12-week group treatment. However, during the 6-month post-treatment follow-up, WRG members demonstrated a pattern of continued reductions in substance use while GDC women did not. In addition, pilot WRG women with alcohol dependence had significantly greater reductions in average drinks/drinking day than GDC women 6 months post-treatment (p<.03, effect size=0.81). While satisfaction with both groups was high, women were significantly more satisfied with WRG than GDC (p<.009, effect size=1.11). In this study, the newly developed 12-session women-focused WRG was feasible with high satisfaction among participants. It was equally effective as mixed-gender GDC in reducing substance use during the 12-week in-treatment phase, but demonstrated significantly greater improvement in reductions in drug and alcohol use over the post-treatment follow-up phase compared with GDC. A women-focused single-gender group treatment may enhance longer-term clinical outcomes among women with substance use disorders.
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Najavits LM, Harned MS, Gallop RJ, Butler SF, Barber JP, Thase ME, Crits-Christoph P. Six-Month Treatment Outcomes of Cocaine-Dependent Patients With and Without PTSD in a Multisite National Trial. J Stud Alcohol Drugs 2007; 68:353-61. [PMID: 17446974 DOI: 10.15288/jsad.2007.68.353] [Citation(s) in RCA: 77] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE This study examined 6-month treatment outcomes among 428 cocaine-dependent outpatients with (n = 34) and without (n = 394) posttraumatic stress disorder (PTSD) in a randomized controlled multisite clinical trial of manual-based psychotherapies for substance use disorder (SUD). METHOD Assessments were completed at baseline and monthly during the 6-month treatment. With longitudinal mixed-effects models, we compared outcomes between SUD-PTSD and SUD-only patients and also examined rates of within-group change. RESULTS Results indicated a highly consistent pattern: the SUD-PTSD patients were more impaired to begin with and remained so across time compared with SUD-only patients (with the exception of substance use and addiction-related legal and employment problems, which did not differ between groups). Also, the SUD-PTSD patients improved less than SUD-only patients in alcohol use and the majority of addiction-related psychosocial problems. However, the two groups did not differ significantly in improvement over time on drug use or global psychological severity. CONCLUSIONS The greater impairment and relative lack of improvement of SUD-PTSD patients, compared with those with SUD-only, suggest a need for dual-diagnosis treatments that more directly target their areas of difficulty.
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Affiliation(s)
- Lisa M Najavits
- National Center for Posttraumatic Stress Disorder, Veterans Affairs Boston Healthcare System, Boston, MA 02130, USA.
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Najavits LM, Gallop RJ, Weiss RD. Seeking safety therapy for adolescent girls with PTSD and substance use disorder: a randomized controlled trial. J Behav Health Serv Res 2007; 33:453-63. [PMID: 16858633 DOI: 10.1007/s11414-006-9034-2] [Citation(s) in RCA: 122] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
This randomized, controlled trial evaluated a manualized psychotherapy, Seeking Safety (SS), for posttraumatic stress disorder (PTSD) and substance use disorder (SUD) in adolescent females. To our knowledge, no prior study has evaluated any psychotherapy designed for this population. SS was compared to treatment as usual (TAU) for 33 outpatients, at intake, end-of-treatment, and 3 months follow-up. SS evidenced significantly better outcomes than TAU in a variety of domains at posttreatment, including substance use and associated problems, some trauma-related symptoms, cognitions related to SUD and PTSD, and several areas of pathology not targeted in the treatment (e.g., anorexia, somatization). Effect sizes were generally in the moderate to high range. Some gains were sustained at follow-up. SS appears a promising treatment for this population, but needs further study and perhaps additional clinical modification.
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Gallop RJ, Crits-Christoph P, Ten Have TR, Barber JP, Frank A, Griffin ML, Thase ME. Differential transitions between cocaine use and abstinence for men and women. J Consult Clin Psychol 2007; 75:95-103. [PMID: 17295568 DOI: 10.1037/0022-006x.75.1.95] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The longitudinal course of cocaine dependence is characterized by alternating periods of abstinence and relapse. Although gender has emerged as an important predictor of relapse, previous studies have examined mean differences in use by gender. Focusing strictly on differences in averages between men and women does not address potential gender differences in transitions between use and abstinence. Transition rates for men and women were compared using data from the National Institute on Drug Abuse Collaborative Cocaine Treatment Study. Abstinence and nonabstinence for each of the 6 months of active treatment was determined by using a composite measure of use that incorporated information from weekly and monthly self-reports and urine toxicology screenings. Random effects were introduced to describe intersubject heterogeneity in transition rates. In this sample of 454 patients, rates of transition between abstinence and use were significantly different between men and women, with men showing twice the rate of transition between states despite similar average levels of use. These data may have important implications for both treatment planning and the types of outcomes considered in clinical practice and research.
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Affiliation(s)
- Robert J Gallop
- Department of Mathematics, Applied Statistics Program, West Chester University, West Chester, PA 19383, USA.
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Abstract
In many areas of research, repeated binary measures often represent a two-state stochastic process, where individuals can transition among two states. In a behavioural or physical disability setting, individuals can flow from susceptible or subthreshold state, to an infectious or symptomatic state, and back to a subthreshold state. Quite often the transition among the states happens in continuous time but is observed at discrete, irregularly spaced timepoints which may be unique to each individual. Methods for analyses of such data are typically based on the Markov assumption. Cook (Biometrics 1999; 55:915-920) introduced a conditional Markov model that accommodates the subject-to-subject variation in the model parameters with random effects. We extend this model by adding a non-ignorable dropout component to the model. Specification of the distribution of the random effects is made to guarantee a closed form expression of the marginal likelihood. This methodology is illustrated by applications to a data set from a parasitic field infection survey, a data set from a cocaine treatment study, and a data set from an aging study. Simulations suggest that the shared parameter model is robust with respect to at least one alternative non-ignorable model.
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Affiliation(s)
- Robert J Gallop
- Department of Mathematics, Applied Statistics Program, West Chester University, West Chester, PA 19383, USA.
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Linehan MM, Comtois KA, Murray AM, Brown MZ, Gallop RJ, Heard HL, Korslund KE, Tutek DA, Reynolds SK, Lindenboim N. Two-year randomized controlled trial and follow-up of dialectical behavior therapy vs therapy by experts for suicidal behaviors and borderline personality disorder. ACTA ACUST UNITED AC 2006; 63:757-66. [PMID: 16818865 DOI: 10.1001/archpsyc.63.7.757] [Citation(s) in RCA: 974] [Impact Index Per Article: 54.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
CONTEXT Dialectical behavior therapy (DBT) is a treatment for suicidal behavior and borderline personality disorder with well-documented efficacy. OBJECTIVE To evaluate the hypothesis that unique aspects of DBT are more efficacious compared with treatment offered by non-behavioral psychotherapy experts. DESIGN One-year randomized controlled trial, plus 1 year of posttreatment follow-up. SETTING University outpatient clinic and community practice. PARTICIPANTS One hundred one clinically referred women with recent suicidal and self-injurious behaviors meeting DSM-IV criteria, matched to condition on age, suicide attempt history, negative prognostic indication, and number of lifetime intentional self-injuries and psychiatric hospitalizations. INTERVENTION One year of DBT or 1 year of community treatment by experts (developed to maximize internal validity by controlling for therapist sex, availability, expertise, allegiance, training and experience, consultation availability, and institutional prestige). MAIN OUTCOME MEASURES Trimester assessments of suicidal behaviors, emergency services use, and general psychological functioning. Measures were selected based on previous outcome studies of DBT. Outcome variables were evaluated by blinded assessors. RESULTS Dialectical behavior therapy was associated with better outcomes in the intent-to-treat analysis than community treatment by experts in most target areas during the 2-year treatment and follow-up period. Subjects receiving DBT were half as likely to make a suicide attempt (hazard ratio, 2.66; P = .005), required less hospitalization for suicide ideation (F(1,92) = 7.3; P = .004), and had lower medical risk (F(1,50) = 3.2; P = .04) across all suicide attempts and self-injurious acts combined. Subjects receiving DBT were less likely to drop out of treatment (hazard ratio, 3.2; P < .001) and had fewer psychiatric hospitalizations (F(1,92) = 6.0; P = .007) and psychiatric emergency department visits (F(1,92) = 2.9; P = .04). CONCLUSIONS Our findings replicate those of previous studies of DBT and suggest that the effectiveness of DBT cannot reasonably be attributed to general factors associated with expert psychotherapy. Dialectical behavior therapy appears to be uniquely effective in reducing suicide attempts.
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Affiliation(s)
- Marsha M Linehan
- Behavioral Research and Therapy Clinics, Department of Psychology, University of Washington, Seattle, WA 98195-1525, USA.
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Hahn CG, Wang HY, Cho DS, Talbot K, Gur RE, Berrettini WH, Bakshi K, Kamins J, Borgmann-Winter KE, Siegel SJ, Gallop RJ, Arnold SE. Altered neuregulin 1-erbB4 signaling contributes to NMDA receptor hypofunction in schizophrenia. Nat Med 2006; 12:824-8. [PMID: 16767099 DOI: 10.1038/nm1418] [Citation(s) in RCA: 427] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2005] [Accepted: 05/03/2006] [Indexed: 11/08/2022]
Abstract
Recent molecular genetics studies implicate neuregulin 1 (NRG1) and its receptor erbB in the pathophysiology of schizophrenia. Among NRG1 receptors, erbB4 is of particular interest because of its crucial roles in neurodevelopment and in the modulation of N-methyl-D-aspartate (NMDA) receptor signaling. Here, using a new postmortem tissue-stimulation approach, we show a marked increase in NRG1-induced activation of erbB4 in the prefrontal cortex in schizophrenia. Levels of NRG1 and erbB4, however, did not differ between schizophrenia and control groups. To evaluate possible causes for this hyperactivation of erbB4 signaling, we examined the association of erbB4 with PSD-95 (postsynaptic density protein of 95 kDa), as this association has been shown to facilitate activation of erbB4. Schizophrenia subjects showed substantial increases in erbB4-PSD-95 interactions. We found that NRG1 stimulation suppresses NMDA receptor activation in the human prefrontal cortex, as previously reported in the rodent cortex. NRG1-induced suppression of NMDA receptor activation was more pronounced in schizophrenia subjects than in controls, consistent with enhanced NRG1-erbB4 signaling seen in this illness. Therefore, these findings suggest that enhanced NRG1 signaling may contribute to NMDA hypofunction in schizophrenia.
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Affiliation(s)
- Chang-Gyu Hahn
- Cellular and Molecular Neuropathology Program, Center for Neurobiology and Behavior, Department of Psychiatry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.
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Hahn CG, Gomez G, Restrepo D, Friedman E, Josiassen R, Pribitkin EA, Lowry LD, Gallop RJ, Rawson NE. Aberrant intracellular calcium signaling in olfactory neurons from patients with bipolar disorder. Am J Psychiatry 2005; 162:616-8. [PMID: 15741484 DOI: 10.1176/appi.ajp.162.3.616] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVE The authors examined the feasibility of using olfactory receptor neurons from living patients to test whether calcium signaling is altered in a neuronal cell population in bipolar disorder. METHOD Ratiometric fluorescence photomicroscopy was used to assess basal and stimulus-induced changes in intracellular calcium levels in biopsy-derived olfactory receptor neurons from seven euthymic patients with bipolar disorder who were medication-free, 10 euthymic patients with bipolar disorder who were treated with mood stabilizers, and 17 age- and sex-matched comparison subjects without bipolar disorder. RESULTS Olfactory receptor neurons from the seven medication-free patients responded to stimuli predominantly with decreases in intracellular calcium, unlike those from the seven matched healthy subjects. Olfactory receptor neurons from patients treated with mood stabilizers were less likely to respond to stimulation than olfactory receptor neurons from medication-free patients. CONCLUSIONS This study demonstrates the feasibility of using olfactory receptor neurons to examine alterations in intracellular signaling in neuronal cells from living patients. Our results, although based on a small number of subjects, suggest that altered intracellular calcium signaling in olfactory receptor neurons may be a trait of bipolar disorder.
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Affiliation(s)
- Chang-Gyu Hahn
- Department of Psychiatry, University of Pennsylvania, 549 Clinical Research Bldg., 415 Curie Blvd., Philadelphia, PA 19104-6140, USA.
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Weiss RD, Griffin ML, Gallop RJ, Najavits LM, Frank A, Crits-Christoph P, Thase ME, Blaine J, Gastfriend DR, Daley D, Luborsky L. The effect of 12-step self-help group attendance and participation on drug use outcomes among cocaine-dependent patients. Drug Alcohol Depend 2005; 77:177-84. [PMID: 15664719 DOI: 10.1016/j.drugalcdep.2004.08.012] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2004] [Revised: 08/03/2004] [Accepted: 08/03/2004] [Indexed: 11/21/2022]
Abstract
OBJECTIVE Although cocaine-dependent patients are frequently referred to 12-step self-help groups, little research has examined the benefits of 12-step group attendance in this population. Moreover, the distinction between attending meetings and actively participating in 12-step activities has not typically been examined. METHOD In the National Institute on Drug Abuse Collaborative Cocaine Treatment Study, 487 cocaine-dependent outpatients were recruited at five sites for a randomized controlled trial of 24-week behavioral treatments. Study data were examined to see whether self-help attendance or active participation were related to subsequent drug use. RESULTS Twelve-step group attendance did not predict subsequent drug use. However, active 12-step participation in a given month predicted less cocaine use in the next month. Moreover, patients who increased their 12-step participation during the first 3 months of treatment had significantly less cocaine use and lower ASI Drug Use Composite scores in the subsequent 3 months. Finally, Individual Drug Counseling, based on a 12-step model, and increasing levels of 12-step participation each offered discrete benefits. CONCLUSIONS Results suggest that active 12-step participation by cocaine-dependent patients is more important than meeting attendance, and that a combination of Individual Drug Counseling and active 12-step participation is effective for these patients.
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Affiliation(s)
- Roger D Weiss
- Department of Psychiatry, Harvard Medical School, Boston, MA 02115, USA.
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Gelenberg AJ, Shelton RC, Crits-Christoph P, Keller MB, Dunner DL, Hirschfeld RMA, Thase ME, Russell JM, Lydiard RB, Gallop RJ, Todd L, Hellerstein DJ, Goodnick PJ, Keitner GI, Stahl SM, Halbreich U, Hopkins HS. The effectiveness of St. John's Wort in major depressive disorder: a naturalistic phase 2 follow-up in which nonresponders were provided alternate medication. J Clin Psychiatry 2004; 65:1114-9. [PMID: 15323598 DOI: 10.4088/jcp.v65n0814] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
BACKGROUND A continuation study of an extract of St. John's wort (Hypericum perforatum) for depression was performed in follow-up to an acute study that found no significant difference between St. John's wort extract and placebo. METHOD Seventeen subjects with DSM-IV-defined major depressive disorder who responded to St. John's wort extract in the acute-phase study (phase 1) were continued on double-blind treatment with the same preparation for 24 weeks. Ninety-five subjects who did not respond to either St. John's wort or placebo were treated with an antidepressant for 24 weeks. RESULTS During antidepressant treatment, mean scores on the Hamilton Rating Scale for Depression for phase 1 nonresponders decreased significantly (p <.0001), with no significant difference between St. John's wort nonresponders and placebo nonresponders. Of the 17 subjects continued on treatment with St. John's wort extract, 5 (29.4%) relapsed. CONCLUSIONS The subjects who did not respond to St. John's wort extract or placebo in phase 1 were, by and large, not resistant to antidepressant treatment. This suggests that the lack of efficacy found by Shelton et al. in the acute-phase study was unlikely to be the result of a high proportion of treatment-resistant subjects.
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Affiliation(s)
- Alan J Gelenberg
- University of Arizona Health Sciences Center, Tucson, AZ 85724, USA.
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Gallop RJ, Crits-Christoph P, Muenz LR, Tu XM. Determination and Interpretation of the Optimal Operating Point for ROC Curves Derived Through Generalized Linear Models. ACTA ACUST UNITED AC 2003. [DOI: 10.1207/s15328031us0204_01] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Flannery BA, Poole SA, Gallop RJ, Volpicelli JR. Alcohol craving predicts drinking during treatment: an analysis of three assessment instruments. J Stud Alcohol 2003; 64:120-6. [PMID: 12608492 DOI: 10.15288/jsa.2003.64.120] [Citation(s) in RCA: 116] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
OBJECTIVE The purpose of this investigation was to examine the utility of thee craving instruments to predict drinking during treatment. The three assessments used were the Penn Alcohol Craving Scale (PACS), the Alcohol Urge Questionnaire (AUQ) and Items 1-6 of the Obsessive subscale (OBS) of the Obsessive Compulsive Drinking Scale (OCDS). METHOD The three instruments were administered during the course of a 9-month, double-blind, placebo-controlled trial of 100 mg/day of naltrexone, and a manual-based psychosocial intervention using the BRENDA manual conducted at the University of Pennsylvania's Treatment Research Center. Participants (133 men and 50 women at the initiation of the study) used these instruments to self-report craving on a weekly or biweekly basis. The weekly number of drinks was reported using the Timeline Followback interview. The data were analyzed with generalized estimating equations using craving scores at 1 week as the independent variable and number of drinks in the subsequent treatment week as the dependent variable. RESULTS Each of the three scales predicted drinking during the subsequent treatment week. The PACS was the strongest predictor followed closely by the OBS and then the AUQ. Most important, craving as measured by the three scales was a stronger predictor of subsequent drinking than was drinking during the prior treatment week. CONCLUSIONS Craving assessment provides a useful means of predicting drinking during treatment. Such information would be helpful in designing clinical trials and for many treatment modalities.
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Affiliation(s)
- B A Flannery
- Center for Interdisciplinary Substance Abuse Research, RTI International, P.O. Box 12194, 3040 Cornwallis Road-Hobbs 124, Research Triangle Park, North Carolina 27709-2194, USA.
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Szeto WY, Kreisel D, Karakousis GC, Pochettino A, Sterman DH, Kotloff RM, Arcasoy SM, Zisman DA, Blumenthal NP, Gallop RJ, Kaiser LR, Bavaria JE, Rosengard BR. Cardiopulmonary bypass for bilateral sequential lung transplantation in patients with chronic obstructive pulmonary disease without adverse effect on lung function or clinical outcome. J Thorac Cardiovasc Surg 2002; 124:241-9. [PMID: 12167783 DOI: 10.1067/mtc.2002.121303] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
OBJECTIVE The use of cardiopulmonary bypass in lung transplantation remains controversial. Previous studies have concluded that cardiopulmonary bypass is deleterious, but these studies were confounded by the inclusion of patients with different diagnoses undergoing single- and double-lung transplantation with elective or emergency use of bypass. The goal of this study was to determine whether cardiopulmonary bypass has deleterious effects on lung function or clinical outcome by analyzing the cases of patients with a single disease entity and elective use of bypass for bilateral sequential lung transplantation. METHODS A retrospective review of 50 patients with chronic obstructive pulmonary disease who underwent bilateral sequential lung transplantation was performed. Fourteen patients who underwent elective cardiopulmonary bypass for 218.3 +/- 75.4 minutes were compared to 36 control patients. RESULTS After the operation, the bypass and nonbypass groups were not significantly different with respect to median duration of mechanical ventilation (1 day vs 1 day, P =.76), median stay in the intensive care unit (4 days vs 4 days, P =.44), median hospital stay (15.5 days vs 16 days, P =.74), mean increase in serum creatinine level (1.4 +/- 1.9 mg/dL vs 0.9 +/- 1.0 mg/dL, P =.33), and mean ratio of Pao(2) to fraction of inspired oxygen at 1 hour (376.6 +/- 123 vs 357.0 +/- 218, P =.75), at 24 hours (309.9 +/- 92 vs 350.6 +/- 122, P =.26), and at 48 hours (335.0 +/- 144 vs 316.2 +/- 120, P =.64). Late outcome markers compared between the bypass and nonbypass groups were the following: 1-year percentage predicted forced expiratory volume in 1 second (76.1% +/- 17.0% vs 85.3% +/- 21.7%, P =.24), 30-day mortality (7.1% vs 8.3%, P >.999), 1-year survival (85.7% vs 80.1%, P =.66), 3-year survival (64.3% vs 58.3%, P =.70), and the prevalence of bronchiolitis obliterans syndrome (0% vs 36.1%, P =.01). CONCLUSION Cardiopulmonary bypass appears to have no deleterious effect on early lung function or clinical outcome. We hope that this pilot study removes some of the unwarranted fear of the use of bypass in lung transplantation for chronic obstructive pulmonary disease.
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Affiliation(s)
- Wilson Y Szeto
- Department of Surgery, Division of Cardiothoracic Surgery, Hospital of the University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA 19104, USA
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Gallop RJ, Mode CJ, Sleeman CK. Determination of threshold conditions for a non-linear stochastic partnership model for heterosexually transmitted diseases with stages. Math Biosci 2002; 177-178:287-315. [PMID: 11965260 DOI: 10.1016/s0025-5564(01)00093-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
When comparing the performance of a stochastic model of an epidemic at two points in a parameter space, a threshold is said to have been crossed when at one point an epidemic develops with positive probability; while at the other there is a tendency for an epidemic to become extinct. The approach used to find thresholds in this paper was to embed a system of ordinary non-linear differential equations in a stochastic process, accommodating the formation and dissolution of marital partnerships in a heterosexual population, extra-marital sexual contacts, and diseases such as HIV/AIDS with stages. A symbolic representation of the Jacobian matrix of this system was derived. To determine whether this matrix was stable or non-stable at a particular parameter point, the Jacobian was evaluated at a disease-free equilibrium and its eigenvalues were computed. The stability or non-stability of the matrix was then determined by checking if all real parts of the eigenvalues were negative. By writing software to repeat this process for a selected set of points in the parameter space, it was possible to develop search engines for finding points in the parameter space where thresholds were crossed. The results of a set of Monte Carlo simulation experiments were reported which suggest that, by combining the stochastic and deterministic paradigms within a single formulation, it was possible to obtain more informative interpretations of simulation experiments than if attention were confined solely to either paradigm.
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Affiliation(s)
- Robert J Gallop
- Department of Mathematics and Applied Statistics, West Chester University, West Chester, PA 19383, USA.
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