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Psycho-Education Physical Exercise Effects: does treating subsyndromal depression improve depression- and diabetes-related outcomes?
ISRCTN ISRCTN05673017
ClinicalTrials.gov identifier
Public title Psycho-Education Physical Exercise Effects: does treating subsyndromal depression improve depression- and diabetes-related outcomes?
Scientific title A randomised controlled comparison of psycho-education, physical exercise and treatment as usual in patients with diabetes and suffering from subsyndromal depression
Acronym PEPEE
Serial number at source 091410
Study hypothesis Early treatment of subsyndromal depression in patients with diabetes is expected to improve the patients' depressive symptoms and health status including indicators of metabolic control, subjectively perceived quality of life, diabetes-related distress and diabetes self-care.
Lay summary Not provided at time of registration
Ethics approval Ethics Committee of the Vuk Vrhovac University Clinic approved on the 1st July 2010.
Study design Randomised controlled three-arm study
Countries of recruitment Croatia
Disease/condition/study domain Type 2 diabetes/subsyndromal depression
Participants - inclusion criteria 1. Type 2 diabetes
2. Aged 18 - 60 years, either sex
3. Subsyndromal depression as determined by the screenings instruments (Patient Health Questionnaire-2 [PHQ-2], Center for Epidemiologic Studies Depression Scale [CES-D]) and the Structured Clinical Interview for DSM-IV Axis I Disorders (SCID)
4. Willing to participate (signing a written informed consent)
Participants - exclusion criteria 1. Poor literacy
2. Mobility difficulties
3. Visual impairment
4. Drinking problems
5. Psychosis in personal medical history
6. Medical contraindications for physical exercise (heart attack or stroke in the past six months, chest pain, dizziness, fainting attacks, shortness of breath)
Anticipated start date 01/09/2010
Anticipated end date 01/09/2013
Status of trial Ongoing
Patient information material Not available in web format, please use the contact details below to request a patient information sheet
Target number of participants 59 participants per group
Interventions 1. Psycho-educational intervention:
The intervention will comprise 6 interactive small-group meetings (4 - 6 members), each lasting for 60 - 90 minutes. The topics will include:
1.1. Symptoms of depression, interaction of depression and diabetes
1.2. Alleviating burden of depression through activities and problem solving
1.3. Associations between depression and cognitive processes - thoughts, beliefs and attitudes that induce and maintain depression, and developing a personal plan for managing problems in the future

The meetings will be held at weekly intervals. Patients will be provided with a self-help manual for overcoming depressive difficulties based on the "Coping with depression" course by P.M. Lewinsohn. The manual will be given to the participating patients prior to the first session in order to make them familiar with the course and to facilitate reflecting their own experiences. The manual's structure aims to stimulate introducing personal examples and making notes. The "Coping with depression" program is well-evaluated in both general population and medical patients. For the purpose of this study the program has been modified in two ways: it has been adjusted to address specific emotional problems related to diabetes, and also adapted for a shorter format of this intervention. Patients will also receive a workbook containing exercises to recognize depressive symptoms, become aware of daily activities patterns, acquire problem-solving techniques, and to recognize and modify cognitive patterns that contribute to maintenance of depression. The manual was tested for comprehensibility and clarity in a group of diabetic patients (N = 8) with different demographic and disease-related characteristics.

2. Physical activity intervention:
The intervention will comprise 6 small-group weekly sessions. The purpose of these sessions will be to educate patients about the interaction of physical activity, mood and diabetes and to increase their participation in a variety of physical activities with an emphasis on walking. The sessions will combine interactive lectures and exercise techniques (warm up-flexibility, strengthening and stretching exercises) that are considered suitable for the study participants. The educational topics will include:
2.1. Effects of exercise on mood
2.2. Short- and long-term effects of exercise on blood glucose and cardiovascular system
2.3. Strategies to develop and maintain a personal plan for regular exercise. The program has been developed by a professional trainer experienced in working with the diabetic population.

The sessions will be organised in a group format and led by a professional trainer. Exercise intensity will be measured by a cardiosport watch. The volume of physical activity will be monitored by a pedometer for one week preceding each point of measurement.

3. Depression screening followed by diabetes treatment as usual:
The patients screened for depression will be given an explanation of their result and informed about available treatment options. Follow-up data will be collected at the same points of measurement as in the treatment groups.

The total duration of the treatments (psycho-education; physical exercise) is six weeks. A one-year follow-up has been planned for all three arms of the trial.
Primary outcome measure(s) Depressive symptoms, measured after the treatment (i.e. after six weeks for the "diabetes treatment as usual" group), and after six- and twelve-month follow-up periods.
Secondary outcome measure(s) 1. Self-management of diabetes, measured at six weeks for the "diabetes treatment as usual" group, and after six- and twelve-month follow-up periods
2. Metabolic control, measured at six weeks for the "diabetes treatment as usual" group, and after six- and twelve-month follow-up periods
3. Diabetes-related distress, measured at six weeks for the "diabetes treatment as usual" group, and after six- and twelve-month follow-up periods
4. Health-related quality of life, measured at six weeks for the "diabetes treatment as usual" group, and after six- and twelve-month follow-up periods
5. Treatment satisfaction, measured after the treatment
Sources of funding European Foundation for the Study of Diabetes (EFSD) (Germany)
Trial website
Publications 1. 2011 protocol in http://www.ncbi.nlm.nih.gov/pubmed/21251307
Contact name Dr  Mirjana  Pibernik-Okanovic
  Address Vuk Vrhovac University Clinic
  City/town Zagreb
  Zip/Postcode 10000
  Country Croatia
  Tel +385 (0)1 235 3935
  Fax +385 (0)1 233 1515
  Email mirjana.pibernik@idb.hr
Sponsor European Foundation for the Study of Diabetes (EFSD) (Germany)
  Address Rheindorfer Weg 3
  City/town Duesseldorf
  Zip/Postcode 40591
  Country Germany
  Tel +49 (0)211 758469 0
  Email Foundation@easd.org
  Sponsor website: http://www.EuropeanDiabetesFoundation.org
Date applied 27/07/2010
Last edited 11/01/2012
Date ISRCTN assigned 11/08/2010
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