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Which Patient Characteristics Among Cocaine Users with HIV Relate to Drug Use and Adherence Outcomes Following a Dual-Focused Intervention?

ABSTRACT: This is a secondary analysis of data from a randomized trial of dually-focused interventions for nonadherent HIV patients with cocaine use disorders (Ingersoll et al. in Drug Alcohol Depend 116(1-3):177-187, 2011). We examined the relationships among baseline demographic, psychological, psychiatric, and behavioral characteristics and 6-months post-study ART adherence, log viral load (VL), ASI Drug Composite Score, and days using cocaine. We used the SAS GLMSELECT procedure to build multivariate models of each post-study outcome. Post-study ART adherence was related to 2 psychological variables; while logVL was related to 2 drug-related behaviors. ASI Drug Composite score was related to 2 psychiatric disorders, 1 demographic, and 1 psychological variable; in contrast, days using cocaine related to 1 behavioral and 3 psychological variables. Analyses show clear, robust relationships among behavioral, psychological and psychiatric diagnosis factors with post-study ART adherence and cocaine use outcomes. Future ART adherence interventions for cocaine users should consider tailoring to these patient characteristics.

SUBMITTER: Read G

PROVIDER: S-EPMC4699872 | biostudies-other | 2016 Mar

REPOSITORIES: biostudies-other

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Which Patient Characteristics Among Cocaine Users with HIV Relate to Drug Use and Adherence Outcomes Following a Dual-Focused Intervention?

Read Gaia G Ingersoll Karen S KS

AIDS and behavior 20160301 3

This is a secondary analysis of data from a randomized trial of dually-focused interventions for nonadherent HIV patients with cocaine use disorders (Ingersoll et al. in Drug Alcohol Depend 116(1-3):177-187, 2011). We examined the relationships among baseline demographic, psychological, psychiatric, and behavioral characteristics and 6-months post-study ART adherence, log viral load (VL), ASI Drug Composite Score, and days using cocaine. We used the SAS GLMSELECT procedure to build multivariate ...[more]

PMID: 26142103

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Project description:Background: Tobacco smoking remains a public health problem among adolescents in the United States. While Web-based interventions for smoking prevention have been successful at the individual level, there is still an urgent need to understand their engagement capabilities and their effects at the social level. In the current study, we aimed to (1) learn about adolescents' subjective experience with a Web-based program called a smoking prevention interactive experience (ASPIRE), (2) obtain suggestions for improvement in ASPIRE content, (3) identify psychological outcomes of ASPIRE, and (4) explore outcomes of social interaction.Materials and methods: After a randomized controlled trial with 110 adolescents, 20 adolescent users of ASPIRE, aged 11-18, were randomly selected to participate in one-on-one interviews at four after-school programs in Houston, Texas. Interviews involved questions concerning adolescents' experience with the intervention. Qualitative data were coded and analyzed using a constant comparison approach for the generation of themes.Results: Describing their experience with ASPIRE, participants expressed comfort in material that is tailored to their demographic and preferred interactive activities over entertaining videos. Presenting suggestions for improvement, participants mainly reported the need to include gaming features into ASPIRE. Presenting psychological outcomes, they expressed emotional engagement in the program, shifts in attitudes and beliefs, and unwillingness to smoke. Finally, as outcomes of social interaction, participants reported engagement with others in discussions about tobacco and their need to hold smokers accountable for their actions.Conclusions: Adolescents' reports moved from their individual experience with ASPIRE to their active interactions with family members and friends and their attempt to persuade others to quit smoking. Future Web-based programs for adolescents may be designed with tailoring and game play in mind, in order to provide mobilization skills and foster social interactions against smoking.

Project description:BackgroundDespite increasing demand for treatment among cannabis users in many countries, most users are not in treatment. Internet-based self-help offers an alternative for those hesitant to seek face-to-face therapy, though low effectiveness and adherence issues often arise.ObjectiveThrough adherence-focused guidance enhancement, we aimed to increase adherence to and the effectiveness of internet-based self-help among cannabis users.MethodsFrom July 2016 to May 2019, cannabis users (n=775; male: 406/575, 70.6%, female: 169/575, 29.4%; age: mean 28.3 years) not in treatment were recruited from the general population and were randomly assigned to (1) an adherence-focused guidance enhancement internet-based self-help intervention with social presence, (2) a similar intervention with an impersonal service team, and (3) access to internet as usual. Controls who were placed on a waiting list for the full intervention after 3 months underwent an assessment and had access to internet as usual. The primary outcome measurement was cannabis-use days over the preceding 30 days. Secondary outcomes included cannabis-dependence severity, changes in common mental disorder symptoms, and intervention adherence. Differences between the study arms in primary and secondary continuous outcome variables at baseline, posttreatment, and follow-up were tested using pooled linear models.ResultsAll groups exhibited reduced cannabis-use days after 3 months (social presence: -8.2 days; service team: -9.8 days; internet as usual: -4.2 days). The participants in the service team group (P=.01, d=.60) reported significantly fewer cannabis-use days than those in the internet as usual group; the reduction of cannabis use in the social presence group was not significant (P=.07, d=.40). There was no significant difference between the 2 intervention groups regarding cannabis-use reduction. The service team group also exhibited superior improvements in cannabis-use disorder, cannabis-dependence severity, and general anxiety symptoms after 3 months to those in the internet as usual group.ConclusionsThe adherence-focused guidance enhancement internet-based self-help intervention with an impersonal service team significantly reduced cannabis use, cannabis-use disorder, dependence severity, and general anxiety symptoms.Trial registrationISRCTN Registry ISRCTN11086185; http://www.isrctn.com/ISRCTN11086185.

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Project description:BACKGROUND:Polydrug use may challenge effective treatment for substance use disorders. We evaluate whether secondary substance use modifies the association between treatment and primary drug use among primary heroin, cocaine and methamphetamine (MA) users. METHODS:Data were obtained from prospective cohort studies on people who use illicit drugs (PWUD) in California, USA. Using repeated monthly data on self-reported secondary substance use (heroin, cocaine, MA, alcohol or marijuana; ?1day in a month), primary drug use (?1day in a month), and treatment participation, collected via timeline follow-back, we fitted generalized linear mixed multiple regression models controlling for potential confounders to examine the interactions between treatment and secondary substance use on the odds of primary heroin, cocaine and MA use, respectively. RESULTS:Included in our study were 587 primary heroin, 444 primary MA, and 501 primary cocaine users, with a median of 32.4, 13.3 and 18.9 years of follow-up, respectively. In the absence of secondary substance use, treatment was strongly associated with decreased odds of primary drug use (adjusted odds ratios (aORs): 0.25, 95% CI: 0.24, 0.27, 0.07 (0.06, 0.08), and 0.07 (0.07, 0.09)) for primary heroin, MA, and cocaine users, respectively. Secondary substance use of any kind moderated these associations (0.82 (0.78, 0.87), 0.25 (0.21, 0.30) and 0.53 (0.45, 0.61), respectively), and these findings were consistent for each type of secondary substance considered. Moreover, we observed different associations in terms of direction and magnitude between secondary substance use and primary drug use during off-treatment periods across substance types. CONCLUSION:This study demonstrates secondary substance use moderates the temporal associations between treatment and primary drug use among primary heroin, MA and cocaine users. Disparate patterns of polydrug use require careful measurement and analysis to inform targeted treatment for polydrug users.

Dataset Information

Which Patient Characteristics Among Cocaine Users with HIV Relate to Drug Use and Adherence Outcomes Following a Dual-Focused Intervention?

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Which Patient Characteristics Among Cocaine Users with HIV Relate to Drug Use and Adherence Outcomes Following a Dual-Focused Intervention?

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