Susan R. Tate

Integrated Cognitive Behavioral Therapy Versus Twelve-Step Facilitation Therapy for Substance-Dependent Adults with Depressive Disorders

Abstract In a randomized trial, this study compared the longitudinal outcome patterns of veterans (N = 66) with substance use disorders and major depressive disorder receiving standard pharmacotherapy and either 12-Step Facilitation Therapy (TSF) or disorder-specific Integrated Cognitive Behavioral Treatment (ICBT). Depression and substance use were assessed at intake, during and after treatment using the Hamilton Depression Rating Scale and the Time Line Follow Back. Reductions in depression during treatment were comparable between the two treatment groups; however, their posttreatment patterns were distinct. While ICBT participants evidenced a steady linear decline in depression through six months posttreatment, a quadratic trend characterized TSF participants, for whom depression declined during treatment, but increased throughout posttreatment follow-up. During treatment, TSF participants used substances less frequently relative to those in ICBT; however, reductions in substance use were more stable through six months posttreatment among those in ICBT relative to TSF. While both interventions produced improvement in depression and substance use during treatment, ICBT may yield more stable clinical outcomes once treatment ceases.

The Role of Alcohol in Adolescent Relapse and Outcome

Abstract Although adolescents entering treatment for substance abuse typically use several substances, alcohol is seldom the drug of choice. Given alcohols role as a gateway substance in the initiation of substance misuse, the authors hypothesize that alcohol is substantially involved in adolescent relapse following substance abuse treatment. One hundred fifty-seven youths (39.5% female, mean age 15.91 years) were recruited from adolescent inpatient alcohol and drug treatment centers and assessed at six and 12 months after discharge. Of the youths studied, 79% had used one or more substances by 12-month follow-up. Although only 1% reported alcohol as their substance of choice while hospitalized, alcohol was involved in 46% of initial posttreatment use episodes. Almost a quarter (23%) of initial posttreatment substance use events involved multiple substances. Initial posttreatment use episodes involving multiple substances and preferred substances were associated with poorer outcomes during the year following treatment both in terms of rate of return to and severity of substance involvement. Youths who initially used only alcohol were also likely to resume harmful levels of substance involvement by one year after treatment. Results suggest two routes. gateway and preferred substance, for adolescents in the resumption of harmful substance use following treatment. This gateway role merits consideration by adolescent substance abuse treatment providers and families of treated youths.

Clinical Outcomes of an Integrated Treatment for Depression and Substance Use Disorders

The authors compared longitudinal treatment outcomes for depressed substance-dependent veterans (N = 206) assigned to integrated cognitive-behavioral therapy plus standard pharmacotherapy (ICBT + P) or 12-step facilitation therapy plus standard pharmacotherapy (TSF + P). Drug and alcohol involvement and depressive symptomology were measured at intake and at 3-month intervals during treatment and up to 1 year posttreatment. Participants in both treatment conditions showed decreased depression and substance use from intake. ICBT + P participants maintained improvements in substance involvement over time, whereas TSF + P participants had more rapid increases in use in the months following treatment. Decreases in depressive symptoms were more pronounced for TSF + P than ICBT + P in the 6 months posttreatment. Within both treatment groups, higher attendance was associated with improved substance use and depression outcomes over time. Initial levels of depressive symptomology had a complex predictive relationship with long-term depression outcomes. Early treatment response predicted long-term substance use outcomes for a portion of the sample. Although both treatments were associated with improvements in substance use and depression, ICBT + P may lead to more stable substance use reductions compared with TSF + P.

Detecting college binge drinkers using an extended time frame

Collegiate binge-drinking is estimated at 44% nationwide, yet epidemiological studies typically limit estimates of binge drinking to episodes during the prior 2 weeks. This study hypothesized that a group of students will have binged on alcohol during the past 3 months but not within the past 2 weeks, and therefore would not be detected using the standard 2-week time frame. Forty males and 72 females who reported drinking alcohol within the past 3 months were included in this study. Fifty-four of the student drinkers (48.2%) were classified as binge drinkers using the prior 2-weeks time criterion, whereas 88 (78.6%) were identified as bingers using the prior 3 months as the criterion. Over one third (38.6%) of the students who binged during the past 3 months would not have been identified as bingers using a 2-week detection period. Furthermore, age, church attendance, alcohol-related consequences, and age of first intoxication were the same regardless of whether bingers had binged in the past 2 weeks or the past 3 months. In contrast, recent binge drinkers reported more frequent alcohol consumption than the 3-month bingers.

Posttraumatic stress disorder's role in integrated substance dependence and depression treatment outcomes

Posttraumatic stress disorder (PTSD) frequently co-occurs with depression and substance use disorder (SUD). This study investigates the impact of PTSD diagnosis on treatment outcomes of 178 veterans treated for depression and SUD, with Integrated Cognitive-Behavioral Therapy (ICBT) or 12-Step Facilitation Therapy (TSF). Percentage days abstinent (PDA) and Hamilton Depression Rating Scale total score (HDRS total) trajectories were created. PDA was similar through initial follow-up; however, by 18 months, ICBT participants without PTSD had better PDA (M = 91%) than those without PTSD in TSF (M = 76%) and those with PTSD in either group (M = 75%-77%). Across time, participants with PTSD had higher depression levels than those without PTSD but benefited similarly from treatment (main effect, p < .004). Both conditions demonstrated reductions in average HDRS at 18 months (M = 17%-29%). Findings highlight the need to assess for PTSD and to investigate how to treat concomitant SUD, depression, and PTSD.

Chronic life stress, acute stress events, and substance availability in relapse

This study evaluated additive and interactive models of the effects of acute stressful life events, chronic life stressors, and immediate substance availability on substance use following alcohol and drug treatment. One hundred and two veterans meeting DSM-IV criteria for alcohol, cannabis, or stimulant dependence at treatment entry completed quarterly interviews for one year. Severe chronic stressors and substance availability predicted an increased risk of initiating substance use posttreatment (OR = 5.18 and 3.18, respectively). However, the chronic stressors and immediate substance availability were associated with less protracted substance use (F (2, 67) =17.30, p < 0.001). Substance availability also predicted fewer total drinks consumed. In contrast to chronic stressors, recent stressful life events were not predictive of posttreatment substance initiation or severity. None of the interactions between stress and substance availability were significant. These findings support a model where chronic stressors and substance availability independently add to the risk for alcohol or drug use following treatment.

Comorbid depression and substance use disorder: Longitudinal associations between symptoms in a controlled trial

This study examined the longitudinal association between substance use and depressive symptoms in veterans receiving outpatient treatment for comorbid substance use disorder and major depression. Veterans (N = 237, mean age = 48.2 years, 90% male, 70% Caucasian) received either 6 months of group integrated cognitive-behavioral therapy or twelve-step facilitation. Hamilton Depression Rating Scale scores and percent days using any substance were assessed every 3 months up to 1 year posttreatment. Greater substance use predicted time-varying elevations in depression above individual patterns of change in depression. Moreover, change in depressive symptoms was associated with change in both the likelihood of any substance use and the frequency of use during the treatment and follow-up periods. Changes in these symptoms appear to be linked, such that individuals with greater reductions in substance use have greater reductions in depressive symptoms (and vice versa).

Does initial treatment focus influence outcomes for depressed substance abusers

Interventions for alcohol- and substance-dependent adults with comorbid depressive disorders are needed, but few have been empirically tested. In a randomized clinical trial of two psychotherapy interventions for these disorders, we examined whether initial focus of treatment was related to retention, substance use, and depression outcomes. Both interventions, integrated cognitive-behavioral therapy (ICBT; n = 105) and twelve-step facilitation (n = 92), were delivered in group formats with entry points every 4 weeks at the beginning of three content-distinct modules. Entry module (i.e., initial treatment focus) was not related to percentage days abstinent, proportion of the sample abstinent, or depression symptoms for either intervention. This was true at both 12 and 24 weeks postbaseline. Furthermore, attendance was similar for both treatments, regardless of initial treatment focus, with a single exception in the ICBT condition. Our findings support the use of modular formats with multiple or rotating entry points for psychotherapy group interventions.

Predictors of Treatment Retention for Substance-Dependent Adults with Co-occurring Depression

Low attendance in addiction treatment, particularly in cases of comorbidity, has been identified as a pervasive challenge. We examine predictors of treatment retention in a sample of veterans (N = 253) participating in a clinical trial comparing two types of psychotherapy for co-occurring depression and substance use disorders. The study protocol included 24 weeks of outpatient group psychotherapy in either a newly developed Integrated Cognitive Behavioral Therapy (ICBT) or Twelve-Step Facilitation Therapy (TSF). Using a model of treatment utilization developed by Aday and Anderson, we analyzed predictors categorized into predisposing factors, enabling resources, need for treatment, and type of treatment received. Outcome included total number of sessions attended (maximum of 36 sessions). Treatment retention did not differ between the two study interventions. Bivariate analyses indicated that predisposing factors were most predictive, with older participants, Caucasians, and those using only alcohol in the month before treatment attending more sessions, and individuals who had recently experienced a health event remained in treatment longer. Importantly, several factors were not related to treatment retention: marital status, education, neuropsychological functioning, financial stress, chronic health problems, treatment motivation, and psychiatric severity. In the combined model of predisposing, enabling and need factors, age and ethnicity were the only significant predictors.

Service utilization during and after outpatient treatment for comorbid substance use disorder and depression

Patients with comorbid substance use disorder (SUD) and depression incur greater treatment costs than those with either disorder alone. Integrated treatment targeting both issues concurrently has been shown to reduce substance use and depression in this population, but little is known about the effects of such treatment on the utilization of costly health services. This study compared 18-month patterns of service utilization for 236 veterans with comorbid SUD depression randomly assigned to 6 months of either Integrated Cognitive Behavioral Therapy (ICBT) or Twelve-Step Facilitation Therapy. Treatment group differences were found for the utilization of psychotropic medication services and inpatient hospitalization. Higher rates of therapy attendance, lower baseline depression, and receiving ICBT all predicted shorter admissions for those hospitalized during treatment. Ethnicity and gender predicted medication service use both during and following treatment. The findings provide evidence supporting the long-term cost-effectiveness of integrated treatment for this high-risk population.