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Completed

NCT Number: NCT03835923

Lifestyle Intervention in Chronic Ischemic Heart Disease and Diabetes

Chronic ischemic heart disease and diabetes mellitus type II have one of the highest morbidity and mortality rates. Especially in the presence of both diseases, these risks increase exponentially. The aim of this program is to reduce cardiovascular risk factors by promoting individual health literacy and a healthy lifestyle, thereby improving metabolism and reducing the progress of the disease as well as mortality.

Patients will receive individual exercise prescriptions and nutritional recommendations. This lifestyle intervention is accompanied by step counters, heart rate sensors, blood glucose meters and smartphones to allow regional implementation in different areas in Germany. In total, 1500 patients with diabetes mellitus type II and chronic ischemic heart disease will participate in the trial.

The project examines whether the intervention positively affects metabolic health and lifestyle behaviors, increases health literacy, and reduces cardiovascular events of these high risk patients. Furthermore, the effectiveness of the intervention will be compared between urban and rural areas.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

University Hospital: Rheinisch-Westfälische Technische Hochschule Aachen, Aachen, Germany

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About this study

Chronic ischemic heart disease and diabetes mellitus type II have one of the highest morbidity and mortality rates. Especially in the presence of both diseases, these risks increase exponentially. The combined endpoint of death and myocardial infarction reaches up to 30% within four years. A lifestyle intervention with exercise training and dietary change can reduce the mortality by 20-30% and is a class-I indication in the current guidelines of the European Association of Preventive Cardiology (EAPC). Nevertheless, the implementation of lifestyle interventions in the population is insufficient.

This prospective randomized controlled trial examines whether a structured, individual and telemedicine-supported lifestyle intervention improves health literacy and reduces cardiovascular risk factors compared to a guideline-based recommendation (usual care). Furthermore, the effectiveness of the intervention will be compared between urban and rural areas.

In total, 1500 patients with diabetes mellitus type II and chronic ischemic heart disease will participate in the trial. After randomization (1:1), the 750 patients of the intervention group will receive individual exercise prescriptions and nutritional recommendations based on a maximum exercise stress test and a multi-day nutrition protocol. The intervention is accompanied by pedometers, heart rate sensors, blood glucose meters and smartphones as well as regular oral and written feedback.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • ischemic heart disease (ICD-10: I20-I25)
  • Diabetes mellitus heart disease (ICD-10: E11)
  • insured at participating health insurance
  • permission to exercise by the study investigator
  • written informed consent

Exclusion criteria

  • Mental and behavioral disorders (ICD-10: F0-F99)
  • Heart failure NYHA IV (ICD-10: I50.14)
  • Malignant neoplasm (ICD-10: C25, C34, C56, C72, C73, C78, C79, C97)
  • Parkinson's disease (ICD-10: G20)
  • Alzheimer's disease (ICD-10: G30)
  • infantile cerebral palsy (ICD-10: G80)
  • chronic kidney disease (ICD-10: N18.4 & N18.5)
  • Trisomy 21 (ICD-10: Q90)
  • Blindness / visual impairment (ICD-10: H54.0, H54.2, H54.3)
  • Hearing loss (ICD-10: H90.0, H90.3, H90.5, H90.6, H90.8)
  • Care level 1-5
  • Assured in a foreign country
  • Inability to exercise or conditions that may interfere with exercise intervention
  • No optimal medical treatment within the last 4 weeks
  • Not clinically stable within the last 4 weeks
  • Participation in another clinical trial

Treatment and study plan

Lifestyle Intervention

Behavioral

intervention phase 1 (baseline - month 6): Patients receive an individual exercise plan, nutritional recommendations and advices to increase daily activity. The intervention is accompanied by regular oral and written feedback.

intervention phase 2 (month 6 - month 12): Patients receive an individual exercise plan, nutritional recommendations and advices to increase daily activity without additional oral or written feedback.

Usual Care

Behavioral

Recommendation for lifestyle intervention at baseline and after 6 months (e.g. salt reduction, restricted alcohol consumption and smoking cessation, 10,000 steps/day, 150 minutes/week moderate intensity exercise)

Primary outcomes

  1. Change in HbA1c

    Time frame: 6 months

    measured in percent (%)

Secondary outcomes

  1. Change in HbA1c

    Time frame: 12 months

    measured in percent (%)

  2. Change in health literacy

    Time frame: 6 and 12 months

    European Health Literacy Survey Questionnaire (HLS-EU-Q16)

  3. Change in daily physical activity

    Time frame: 6 and 12 months

    International Physical Activity Questionnaire (IPAQ)

  4. Change in average steps per day

    Time frame: 6 and 12 months

    7-day average of steps/day measured by pedometers

  5. Change in eating behavior

    Time frame: 6 and 12 months

    Fragebogen zum Essverhalten (FEV; German questionnaire on eating behavior)

  6. Change in quality of life

    Time frame: 6 and 12 months

    Short form health survey (SF-36)

  7. Change of medical care expenses

    Time frame: 6 and 12 months

    routine data of health insurance company

  8. Change in weight

    Time frame: 6 and 12 months

    measured in kilograms (kg)

  9. Change in waist circumference

    Time frame: 6 and 12 months

    measured in centimeters (cm)

  10. Change in LDL-cholesterol concentrations

    Time frame: 6 and 12 months

    measured in milligram/deciliter (mg/dL)

  11. Change in HDL-cholesterol concentrations

    Time frame: 6 and 12 months

    measured in milligram/deciliter (mg/dL)

  12. Change in triglyceride concentrations

    Time frame: 6 and 12 months

    measured in milligram/deciliter (mg/dL)

  13. Change in systolic blood pressure

    Time frame: 6 and 12 months

    measured in millimeters of mercury (mmHG)

  14. Change in diastolic blood pressure

    Time frame: 6 and 12 months

    measured in millimeters of mercury (mmHG)

  15. Number of the combined endpoint "4P-MACE"

    Time frame: 6 and 12 months

    cardiovascular deaths, non-fatal stroke, non-fatal myocardial infarction, hospitalization due to angina pectoris

Sponsors and collaborators

Lead sponsor

Techniker Krankenkasse

Other

Collaborators

  • Federal Joint Committee
  • IDS Diagnostic Systems AG
  • Technical University of Munich
  • privates Institut für angewandte Versorgungsforschung GmbH

Registry information

Acronym: LeIKD

Important dates

Study start
2019
Primary completion
2020
Study completion
2021
First posted
Feb 11, 2019
Registry last updated
Nov 5, 2021

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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