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| Name | Class |
|---|---|
| Fondo Nacional de Desarrollo CientÃfico y Tecnológico, Chile | OTHER_GOV |
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Background: depression and chronic diseases are frequently comorbid public health problems. However, clinical guidelines often fail to consider comorbidities. This study protocol describes a cluster randomized trial (CRT) aimed to compare the effectiveness of a collaborative, computer-assisted, psycho-educational intervention versus enhanced usual care (EUC) in the treatment of depressed patients with hypertension and/or diabetes in primary care clinics (PCC) in Santiago, Chile.
Methods: two-arm, single-blind, CRT carried out at two municipalities in Santiago, Chile. Eight PCC will be randomly assigned (1:1 ratio within each municipality, 4 PCC in each municipality) to the INTERVENTION or EUC. A total of 360 depressed patients, aged at least 18 years, with Patient Health Questionnaire-9 Item [PHQ-9] scores ≥ 15, and enrolled in the Cardiovascular Health Program at the participating PCC. Patients with alcohol/substance abuse; current treatment for depression, bipolar disorder, or psychosis; illiteracy; severe impairment; and resident in long-term care facilities, will be excluded. Patients in both arms will be invited to use the Web page of the project, which includes basic health education information. Patients in the INTERVENTION will receive eight sessions of a computer-assisted, psycho-educational intervention delivered by trained therapists, a structured telephone calls to monitor progress, and usual medical care for chronic diseases. Therapists will receive biweekly and monthly supervision by psychologist and psychiatrist, respectively. A monthly meeting will be held between the PCC team and a member of the research team to ensure continuity of care. Patients in EUC will receive depression treatment according to clinical guidelines and usual medical care for chronic diseases. Outcome assessments will be conducted at three, six, and twelve months after enrollment. The primary outcome will be depression improvement at six months, defined as ≥ 50% reduction in baseline PHQ-9 scores. Intention-to-treat analyses will be performed.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| "Me cuido y me siento mejor" | Experimental | Patients in the primary care clinics assigned to the intervention will receive eight sessions of a computer-assisted, psycho-educational intervention delivered by trained therapists; structured telephone calls by social worker to monitor clinical progress and treatment adherence; usual medical care for chronic diseases; and access to the project's website, which will be populated with information about the project's aims, the research team, and contact data, along with educational material related to depression, diabetes and hypertension, and healthy lifestyles. Study therapists will receive biweekly and monthly supervision by psychologist and psychiatrist, respectively. A monthly meeting will be held between the PCC team and a member of the research team to ensure continuity of care. |
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| Enhanced Usual Treatment | Active Comparator | The patients in the primary care clinics assigned to the comparator will receive the usual treatment for depression and their physical conditions -all the guaranteed interventions for people with depression, hypertension, and/or diabetes in primary care, according to the Clinical Guidelines for the Treatment of Depression- and their associated basket of health benefits included in the Regime of Explicit Health Care Guarantees. They will have access to the project's website, which will be populated with information about the project's aims, the research team, and contact data, along with educational material related to depression, diabetes and hypertension, and healthy lifestyles. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| "Me cuido y me siento mejor" | Behavioral | A multicomponent, collaborative, computer-assisted, psycho-educational intervention for the management of depressive symptoms in primary care patients with diabetes and/or hypertension. |
| Measure | Description | Time Frame |
|---|---|---|
| Depression change | Defined as a 50% reduction in a participant's Patient Health Questionnaire-9 Item (PHQ-9) score compared to the baseline. The PHQ-9 minimum and maximum values are 0 and 27 points. Higher scores mean worse outcomes. | Even though the primary outcome is taken at six-month follow-up, this measure will also be reported at three- and twelve-month follow-up. |
| Measure | Description | Time Frame |
|---|---|---|
| Proportion of patients who change their depressive status | Defined as a change in a patient's depressive status from an initial score above the cutoff (PHQ-9 ≥ 10) and a follow-up score below this reference value (PHQ-9 < 10). | Three-, six-, and twelve-month follow-up. |
| Health-related quality of life |
| Measure | Description | Time Frame |
|---|---|---|
| Utilization of health care services | The questionnaire about the utilization of health care services, adapted from the Chilean National Socioeconomic Characterization Survey, has a three-month recall period and records physician consultations or treatments, primary care and/or hospital emergencies, specialist medical treatment or mental health treatment, and hospitalizations, noting the total number of sessions (total days for hospitalizations) and the payment made for each session. The minimum number of sessions or total days for hospitalizations (and payment) are 0, there is no maximum value defined. A priori, we do not know if a higher number of sessions (consultations) mean a better or worse outcome. However, a higher humber of hospitalization days and higher payment mean worse outcomes. |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Graciela Rojas | University of Chile | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Dirección de Salud Municipal I. Municipalidad de El Bosque | Santiago | Chile |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 34419010 | Derived | Rojas G, Martinez P, Guajardo V, Campos S, Herrera P, Vohringer PA, Gomez V, Szabo W, Araya R. A collaborative, computer-assisted, psycho-educational intervention for depressed patients with chronic disease at primary care: protocol for a cluster randomized controlled trial. BMC Psychiatry. 2021 Aug 21;21(1):418. doi: 10.1186/s12888-021-03380-2. |
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| ID | Term |
|---|---|
| D003863 | Depression |
| D006973 | Hypertension |
| D003920 | Diabetes Mellitus |
| ID | Term |
|---|---|
| D001526 | Behavioral Symptoms |
| D001519 | Behavior |
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |
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| Enhanced Usual Treatment | Behavioral | Enhanced Usual Treatment |
|
Defined as a patient's score on the scales and main components of the Short-Form 12 Health Survey (SF-12). The SF-12 minimum and maximum values are 0 and 100 points. Higher scores mean better outcomes. |
| Three-, six-, and twelve-month follow-up. |
| Social solving problem skills | Defined as a patient's score on the Positive Problem Orientation and Rational Problem Solving Style subscales of the Social Problem-Solving Inventory - Revised Short Form (SPSI-R:S). The SPSI-R:S minimum and maximum values are 0 and 100 points. Higher scores on the Positive Problem Orientation and the Rational Problem Solving Style, and lower scores on the Negative Problem Orientation, Impulsivity/Carelessness Style, and Avoidance Style mean better outcomes. | Three-, six-, and twelve-month follow-up. |
| Proportion of participants with change in blood pressure | Defined as the achievement of therapeutic goal in the normalization of blood pressure according to the national standards established in the Clinical Guidelines of Primary or Essential Arterial Hypertension in people aged 15 or older. The therapeutic goal is to attain a value lower than 140/90 mmHg in non-diabetic patients and lower than 130/80 mmHg in patients with very high cardiovascular risk, diabetes, and/or proteinuric nephropathy. These values will be obtained from the patients' clinical records. | Three-, six-, and twelve-month follow-up. |
| Ad-hoc questionnaire for the assessment of the acceptability of depression treatment | The ad-hoc instrument for evaluating the acceptability of the interventions is a self-report questionnaire that consists in 12 Likert-type items with four answer choices ranging from 1 (strongly agree) to 4 (strongly disagree). The construction of this instrument was based on the theoretical framework of acceptability, proposed by Sekhon et al., which characterizes seven dimensions for this concept: ethicality, affective attitude, burden, opportunity costs, perceived effectiveness, self-efficacy, and intervention coherence. For their interpretation, the participants' scores will be transformed into percentages (0% to 100%), with higher values representing more intervention acceptability. | Three-, six-, and twelve-month follow-up. |
| Proportion of participants with change in glycosylated hemoglobin | Defined as the achievement of glycemic control, according to the national standards established in the Clinical Guidelines for Type II Diabetes Mellitus. Maintaining levels of glycosylated hemoglobin below 7% is regarded as a therapeutic goal in type II diabetes mellitus. These values will be obtained from the patients' clinical records. | Three-, six-, and twelve-month follow-up. |
| Three-, six-, and twelve-month follow-up. |
| D044882 |
| Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
| D004700 | Endocrine System Diseases |