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Outcomes, skill acquisition, and the alliance: Similarities and differences between clinical trial and student therapists.

ABSTRACT: Considerable evidence from clinical trials supports the efficacy of cognitive therapy (CT) of depression. Less is known about outcomes when provided in other contexts, such as when provided by student therapists. We conducted a non-randomized comparison of student therapists vs. clinical trial therapists on change in depressive symptoms, dropout, change in CT skills, and therapeutic alliance among 100 clients with moderate to severe depression. Treatment manual and duration were the same. Clients treated by student therapists had largely comparable outcomes on depressive symptom change, therapeutic alliance, and CT skills. Results supported non-inferiority of student therapists on change in depressive symptoms, but non-inferiority was not supported when using an interviewer evaluated measure of depression. Evidence of non-inferiority was also obtained for client CT skills and therapeutic alliance. In fact, conventional superiority analyses indicated student therapists outperformed clinical trial therapists on alliance and CT skills. The rate of dropout among student therapists (30%) was numerically higher than among clinical trial therapists (17%) and our results did not support non-inferiority on dropout. CT provided by student therapists can achieve outcomes similar to those in a clinical trial, but more research about dropout is needed.

SUBMITTER: Goldstein LA

PROVIDER: S-EPMC7329568 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature

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Outcomes, skill acquisition, and the alliance: Similarities and differences between clinical trial and student therapists.

Goldstein Lizabeth A LA Adler Mandel Abby D AD DeRubeis Robert J RJ Strunk Daniel R DR

Behaviour research and therapy 20200324

Considerable evidence from clinical trials supports the efficacy of cognitive therapy (CT) of depression. Less is known about outcomes when provided in other contexts, such as when provided by student therapists. We conducted a non-randomized comparison of student therapists vs. clinical trial therapists on change in depressive symptoms, dropout, change in CT skills, and therapeutic alliance among 100 clients with moderate to severe depression. Treatment manual and duration were the same. Client ...[more]

PMID: 32276239

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Project description:BackgroundAstrocytomas are the most common primary brain tumors distinguished into four histological grades. Molecular analyses of individual astrocytoma grades have revealed detailed insights into genetic, transcriptomic and epigenetic alterations. This provides an excellent basis to identify similarities and differences between astrocytoma grades.MethodsWe utilized public omics data of all four astrocytoma grades focusing on pilocytic astrocytomas (PA I), diffuse astrocytomas (AS II), anaplastic astrocytomas (AS III) and glioblastomas (GBM IV) to identify similarities and differences using well-established bioinformatics and systems biology approaches. We further validated the expression and localization of Ang2 involved in angiogenesis using immunohistochemistry.ResultsOur analyses show similarities and differences between astrocytoma grades at the level of individual genes, signaling pathways and regulatory networks. We identified many differentially expressed genes that were either exclusively observed in a specific astrocytoma grade or commonly affected in specific subsets of astrocytoma grades in comparison to normal brain. Further, the number of differentially expressed genes generally increased with the astrocytoma grade with one major exception. The cytokine receptor pathway showed nearly the same number of differentially expressed genes in PA I and GBM IV and was further characterized by a significant overlap of commonly altered genes and an exclusive enrichment of overexpressed cancer genes in GBM IV. Additional analyses revealed a strong exclusive overexpression of CX3CL1 (fractalkine) and its receptor CX3CR1 in PA I possibly contributing to the absence of invasive growth. We further found that PA I was significantly associated with the mesenchymal subtype typically observed for very aggressive GBM IV. Expression of endothelial and mesenchymal markers (ANGPT2, CHI3L1) indicated a stronger contribution of the micro-environment to the manifestation of the mesenchymal subtype than the tumor biology itself. We further inferred a transcriptional regulatory network associated with specific expression differences distinguishing PA I from AS II, AS III and GBM IV. Major central transcriptional regulators were involved in brain development, cell cycle control, proliferation, apoptosis, chromatin remodeling or DNA methylation. Many of these regulators showed directly underlying DNA methylation changes in PA I or gene copy number mutations in AS II, AS III and GBM IV.ConclusionsThis computational study characterizes similarities and differences between all four astrocytoma grades confirming known and revealing novel insights into astrocytoma biology. Our findings represent a valuable resource for future computational and experimental studies.

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Outcomes, skill acquisition, and the alliance: Similarities and differences between clinical trial and student therapists.

Publications

Outcomes, skill acquisition, and the alliance: Similarities and differences between clinical trial and student therapists.

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