- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02112708
Cognitive Behavioral Therapy (REBT/CBT) Evaluation for Dysthymia in the Practice of Clinical Social Work at Primary Care
Evaluation of the Effectiveness of Rational Emotive Behavioral Therapy (REBT/CBT) as an Intervention Tool in Clinical Social Work Consultation to Primary Care.
Introduction: Minor psychiatric disorders are important in primary care, because of its high prevalence and consumption of healthcare resources generated.
Objective: Evaluate the effectiveness of rational emotive behavioral therapy (REBT), as an instrument of social work intervention to enhance changes in the parameters of quality of life, medical consultations and drug use in patients with dysthymia.
Design: Multicenter, prospective, not randomized clinical trial, with intervention and control group simultaneously in urban primary care settings and 1 year of follow up.
Participants: Out-patients seen in two Primary Care centers diagnosed with dysthymia according to DSM-IV classification of American Psychiatric Association.
Intervention: Subjects receive up to 8 biweekly individual sessions of thirty minutes of REBT administered by the Social Worker.
Variables: Demographic data, educational level, coexistence, comorbidity, quality of life assessment, severity of depression, number of visits to the General Practitioner (GP) and drug consumption: sedatives / antidepressants.
Expected Results: The expected results of the intervention, estimated from previous data, are:
- A decrease in attendance at medical visits per year
- An improvement in perceived quality of life, measured as values of the Quality of Life (QOL) questionnaire (Baker & Intagliata)
- An improvement in severity of depression, measured according to the Beck Depression Inventory.
- A reduction of treatment with psychotropic drugs (sedatives and antidepressants).
Potential impact expected: The investigators hope that rational emotive theory is an effective intervention method for handling minor psychiatric disorders in clinical social work.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The calculation of the size of the population sample was performed for the worst case comparison of different outcome variables, so for a final ratio of 8% people taking hypnotics in IG versus 37% in the CG, with significance level of 5% and a statistical power of 80%, previewing a 20% loss to follow-up and a ratio of 1 control per case, we need 50 individuals in the CG and 50 individuals in the IG.
Regarding to the attendance to primary care centers, was categorized as "improved" and "not improved or remains the same." "Improvement" is when the number of visits decrease over the previous year, comparing baseline data with respect 12 months. Also, improvement in the use of psychotropic medication is when intakes fall in the previous year by comparing baseline data with respect 12 months. When no data were available at 12 months, the comparison was made with data collected at 4 months.
Patients in IG were recruited from primary care center Sant Andreu, while the CG were enrolled in the primary care center in Martorell. The selection of the two groups in separate centers was determined to avoid the possible effects of contamination bias of the CBT-REBT. In the IG, each physician systematically derived patients with inclusion criteria to the social worker. In the CG, the physician made ordinary care task. In both groups, the number of visits to primary care centers and consumption of psychotropic drugs were extracted from the medical record and other information was obtained through interviews at baseline, 4 and 12 months.
All patients signed informed consent at baseline. In order to recruit homogeneous cases, clearly diagnosed and ensure comparability training for all recruiters was conducted. Collection forms and the database did not include confidential information to ensure confidentiality and anonymity, keeping a separately single list with relation to the number of each case.
Access data base was used to systematize the registration data collection and handling errors by different professionals. Previous comparison of baseline data between completers and dropouts, as well as between the IG and CG was performed by Chi-square and mean comparison. A descriptive analysis of baseline variables as frequencies, means, and dispersion measures was carried out. For the analysis of post-intervention improvement in outcome parameters in one group compared with another, only data from the baseline and 12 months were taken into account. Bivariate and multivariate analysis was performed using logistic regression to control for confounding factors. Values less than 0.05 were considered significant. The SPSS 18 software was used.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
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Barcelona, Spain, 08030
- Catalan Health Institute. ABS Sant Andreu 9D
-
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Clinical diagnosis fo dysthymia
- 14 years older
Exclusion Criteria:
- Impaired cognitive ability
- Illiteracy
- Refuses treatment
- Severe psychiatric disorders
- Participation in psychoeducational groups or other similar therapies.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Rational-Emotive-Behavioral Therapy
A social worker held eight 30 minutes sessions fortnightly of Rational-Emotive-Behavioral Therapy.
First session is informative about the type of treatment to be performed.
The next sessions work events, thoughts and feelings with the goal of changing the dysfunctional thoughts by other more rational ones, measured by scales.
|
A social worker held eight 30 minutes sessions fortnightly.
First session is informative about the type of treatment to be performed.
The next sessions work events, thoughts and feelings with the goal of changing the dysfunctional thoughts by other more rational ones, measured by scales.
Other Names:
|
Active Comparator: Control Group
The control group (GC) will take the usual medical care for dysthimia, according with up-dated guidelines.
|
In the control group the depression is treated as usual with the conventional treatment.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change from baseline in severity of depression, measured according to the Beck Depression Inventory, at 4 and 12 months.
Time Frame: Baseline, month 4, month 12.
|
The Beck Depression Inventory (BDI) consisted of twenty-one questions about how the subject has been feeling in the last week. Each question has a set of at least four possible answer choices, ranging in intensity. When the test is scored, a value of 0 to 3 is assigned for each answer and then the total score is compared to a key to determine the depression's severity. The standard cut-offs are as follows:
|
Baseline, month 4, month 12.
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change from baseline in perceived quality of life, measured as values of Satisfaction with Life Domains Scale (SLDS) (Baker & Intagliata, 1982) at 4 and 12 months
Time Frame: Baseline, month 4, month 12.
|
The Satisfaction with Life Domains Scale (SLDS) is a measure of respondent satisfaction constructed to assess patient's satisfaction regarding 15 life domains. The respondent is asked to indicate his/her feelings by choosing one of seven faces ranging from a "delighted" face with a large upturned smile (scored 7) to a "terrible" face with a deep frown (scored 1). The patients are asked to pick the face that best represented their degree of satisfaction with the proposed life areas. The last of the life areas (The place they live in currently compared with the state hospital) has been discarded for our study, because the patients were treated by primary care. |
Baseline, month 4, month 12.
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change from baseline in number of attendance at medical visits in previous year, at 12 months
Time Frame: Baseline, 1 year
|
Number of attendance at medical visits were obtained from computerized medical records for a period of one year previous to the baseline date and 1 year of follow up date.
|
Baseline, 1 year
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A reduction from the baseline of type of treatment with psychotropic drugs (sedatives and antidepressants), at
Time Frame: Baseline, month 4, month 12
|
Number of types and doses of treatment with psychotropic drugs were obtained from computerized medical records for a period of one year previous to the baseline date, at month 4 and 1 year of follow up date.
|
Baseline, month 4, month 12
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Carme Rovira Aler, LCSW, Catalan Institute of Health
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- P13/035
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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