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| Name | Class |
|---|---|
| Heidelberg University | OTHER |
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The CoLiPri study is a cluster randomized controlled trial funded by the Swiss National Science Foundation to evaluate the clinical and cost effectiveness as well as the implementation of a complex consultation-liaison intervention to help improve symptoms of anxiety and depression of screened patients in primary care. The intervention includes expert consultations, on demand referral for structured mental health diagnostics, psychoeducation and treatment planning, as well as brief psychotherapeutic interventions and triage.
Mental disorders such as depression or anxiety are serious and common health conditions that are highly prevalent in primary care. The primary care sector plays a key role in the treatment of common mental disorders as general practitioners (GPs) set the course for identification, diagnosis, therapy and referral to specialized treatment. The objectives of the CoLiPri study are to implement a complex consultation-liaison service at the intersection between primary and secondary care and to investigate its clinical and cost effectiveness in patients who are identified at primary care practices with elevated symptoms of depression and anxiety. Focus of the complex intervention is on improved collaboration and communication among GPs, mental health experts, and other services involved in the care of patients with common mental disorders. The novel service aims to support the decision-process at primary care practices, to increase access to evidence-based mental health treatment, and to help improve patients' pathways of care. The CoLiPri service for GPs include expert consultations, on-demand patient referral for structured diagnostics, and/or treatment planning, as well as brief psychotherapeutic interventions and triage. The effectiveness and cost effectiveness of the intervention as an add-on to enhanced usual primary care (usual care plus structured depression and anxiety screening) are evaluated in a cluster randomized clinical trial in screened patients with at least mild symptoms of depression and/or anxiety. In case of positive results, the service might serve as a model how to improve multi professional collaboration and clinical resource allocation for better delivery of mental health care.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| CoLiPri intervention | Experimental | General practitioners and their screened patients have access to the consultation-liaison services for a total duration of 12 months, including standard screening, expert consultations, on demand patient referral for structured mental health diagnostics, psychoeducation and treatment planning, as well as brief psychotherapeutic intervention and triage. |
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| Usual primary care enhanced | Active Comparator | Usual primary care practice as offered in routine care. Enhanced means that practitioners receive a basic training which consists of guideline-based structured screening procedures for depression and anxiety mental disorders in primary care. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| CoLiPri intervention | Behavioral | General practitioners and their screened patients have access to the consultation-liaison services for a total duration of 12 months, including standard screening, expert consultations, on demand patient referral for structured mental health diagnostics, psychoeducation and treatment planning, as well as brief psychotherapeutic intervention and triage. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in depressive and anxiety symptoms | Patient-reported depressive and anxiety symptoms will be assessed with the Patient Health Questionnaire Anxiety and Depression Scale (PHQ-ADS) total score until 6-month follow-up. The PHQ-ADS combines the 9 items of the Depression Module of the PHQ (PHQ-9) and the 7 items of the General Anxiety Disorders 7 (GAD-7) to a single reliable and valid symptom measure. PHQ-ADS scores can range from 0 to 48 with higher scores indicating more severe depression/anxiety. | Baseline, 3 months, 6 months |
| Measure | Description | Time Frame |
|---|---|---|
| Clinical response in depressive and anxiety symptoms | Clinical response, defined as 50% reduction in patient-reported depressive and anxiety symptoms, will be assessed with the Patient Health Questionnaire Anxiety and Depression Scale (PHQ-ADS) total score until 6-month follow-up. | Baseline, 6 months |
| Change in depressive and anxiety symptoms until 12-month follow-up |
| Measure | Description | Time Frame |
|---|---|---|
| Pathways of care | Healthcare utilization and pathways of care will be assessed based semi-standardized telephone interviews with the Longitudinal Interval Follow-Up Evaluation (LIFE) administered at 12-month follow-up. | 12 months |
| Physician-patient relationship |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Birgit Watzke, Prof. Dr. | University of Zurich | Principal Investigator |
| Markus Wolf, Dr. | University of Zurich | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Zurich | Zurich | 8050 | Switzerland |
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| Label | URL |
|---|---|
| Official website of the CoLiPri project (in German) | View source |
| Brief project description at the SNSF National Research Program 74 "Smarter Healthcare" | View source |
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| ID | Term |
|---|---|
| D003863 | Depression |
| D001008 | Anxiety Disorders |
| ID | Term |
|---|---|
| D001526 | Behavioral Symptoms |
| D001519 | Behavior |
| D001523 | Mental Disorders |
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| Usual primary care enhanced | Other | Usual primary care practice as offered in routine care. Enhanced means that practitioners receive a basic training which consists of guideline-based structured screening procedures for depression and anxiety mental disorders in primary care. |
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Patient-reported depressive and anxiety symptoms will be assessed with the Patient Health Questionnaire Anxiety and Depression Scale (PHQ-ADS) total score and subdomains, depression and anxiety, until 12-month follow-up. |
| Baseline, 3 months, 6 months, 12 months |
| Health-related quality of life | Health-related quality of life (HrQoL) and health state based on patient self-report assessed with the Short Form Health Survey SF-12 total and physical and mental health subscales until 6 and 12 months follow-up. | Baseline, 6 months, 12 months |
| Health care utilization | Patients' self-reported health care utilization will be measured with the Client Sociodemographic and Service Receipt Inventory-German Version (CSSRI-D) as a basis for health economic analyses. | Baseline, 6 months, 12 months |
| Utility-based health-related quality of life | Utility-based health-related Quality of Life will be assessed via patient self-report with the five-level version of EQ-5D (EQ-5D-5L). | Baseline, 3 months, 6 months, 12 months |
| Cost-effectiveness | Cost-effectiveness evaluated with the information on healthcare utilization and productivity losses (direct and indirect costs) assessed with the CSSRI-D accumulated during 6 and 12 months. Quality-adjusted life years (QALYs) will be determined based on EQ-5D-5L based utility. | Baseline, 6 months, 12 months |
The perceived quality of the physician-patient relationship will measured based on patient-self report with the German version of the Patient Reaction Assessment (PRA-D). |
| Baseline, 6 months, 12 months |
| Patient satisfaction in primary care | The patients' satisfaction with GP treatment is assessed based on patient self-report with the Qualiskope-A. | 3 months, 6 months, 12 months |
| Therapeutic alliance | The therapeutic alliance is assessed after each individual CoLiPri session from the patient perspective with the German version of the Working Alliance Inventory-Short Revised (WAI-SR). | Each session, approx. at 1 month, 2 months, 3 months, 4 months |
| General self-esteem | General self-esteem is measured with the revised version of the German Rosenberg Self-Esteem-Scale based patients self-report at each of the CoLiPri sessions within 12 months. | Each session, approx. at 1 month, 2 months, 3 months, 4 months |
| Quality of therapy sessions | The quality of sessions delivered at the novel service will be monitored after each session within the 12 months with the patient version of the Bern Post Session Report (BPSR-P). | Each session, approx. at 1 month, 2 months, 3 months, 4 months |
| Client satisfaction | Client satisfaction with the CoLiPri services will be assessed in patients who have attended sessions based on patient self-report at 3-, 6-, and 12-month follow-up using the Fragebogen zur Messung der Patientenzufriedenheit (ZUF-8) which is the German version of the Client Satisfaction Questionnaire (CSQ-8). | 3 months, 6 months, 12 months |