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Cardiovascular DiseasesNCT03221127

Kuopio Ischaemic Heart Disease Risk Factor Study (Nutrition Component)

An observational study of Cardiovascular Diseases and Diabetes, run by University of Eastern Finland.

Active, not recruiting

Under way, not looking for participants. Everyone needed has enrolled. The study is still running.

Official record
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Trial summary

To determine associations between dietary factors and risk of major chronic diseases and their risk factors Read more about this study

Who is it for?
Ages 42 to 73 yearsHealthy volunteers can take part
How many people
2,682 participants
Where
No sites listed yet
Study dates
1 Mar 1984to 31 Dec 2052
Phase
Observational
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 42 to 73 years
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Study population: See "Detailed description"

Who may be able to join

  • Aged 42, 48, 54 or 60 years (men at baseline in 1984-1989)
  • Aged 53 to 73 years (women at their baseline in 1998-2001)
  • Living in the city of Kuopio or neighboring rural areas

Who cannot join

  • Condition that prevented visit at study clinic

About this study

To determine associations between dietary factors and risk of major chronic diseases and their risk factors

Read the detailed description

STUDY POPULATION The Kuopio Ischaemic Heart Disease Risk Factor Study (KIHD) is an on-going prospective, population-based cohort study of risk factors for cardiovascular diseases, other chronic diseases and metabolic conditions in a sample of men from eastern Finland. The baseline examinations were carried out between 1984 and 1989, when 2,682 men (82.9% of those eligible) who were 42, 48, 54 or 60 years old were recruited. The first cohort consisted of 1166 men who were 54 years old, enrolled in 1984-1986, and the second cohort included 1516 men who were 42, 48, 54 or 60 years old, enrolled in 1986-1989. The baseline examinations were followed by the 4-year examinations (1991-1993), in which 1038 men from the second cohort (88% of the eligible) participated. At the 11-year examinations (1998-2001), all men from the second cohort were invited and 854 men (95% of the eligible) participated. These examinations were also the baseline for 920 postmenopausal women (78.4% of the 1173 eligible women) from the same area, aged 53-73 years. During the 20-year examination round, all men from the first and second baseline cohorts and all women were invited to the study site, and a total of 1241 men (80% of the eligible) and 634 women (81.0%) participated.

ASSESSMENT OF DIETARY INTAKES Food consumption has been assessed with an instructed food recording of four days, one of which was a weekend day, by household measures. A picture book of common foods and dishes was used to help in estimation of portion sizes. For each food item the participant could choose from 3-5 commonly used portion sizes or describe the portion size in relation to those in the book. In order to further improve accuracy, instructions were given and completed food records were checked by a nutritionist together with a participant. Nutrient intakes were estimated using the NUTRICA® 2.5 software (Social Insurance Institution, Turku, Finland). The databank of the software is mainly based on Finnish values of nutrient composition of foods.

OUTCOME ASSESSMENT Registration of the incidence of major chronic diseases and deaths during the follow up is based on the national registries (Hospital discharge registry, Cause of death register, Social Insurance Institution of Finland register for reimbursement of medicine expenses) by use of the Finnish personal identification code (social security number), and/or on findings at the re-examination rounds (such as fasting plasma glucose or 2-h oral glucose tolerance test to define type 2 diabetes in addition to data from the national registries).

Medical subject headings
Cardiovascular Diseases, Diabetes Mellitus, Metabolic Syndrome, Neoplasms, Atherosclerosis, Cognitive Dysfunction, Liver Diseases, Death

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Cardiovascular disease

    Incidence of cardiovascular disease

    Measured: Annually between March 1984 and December 2052

  2. Carotid atherosclerosis

    Progression of common carotid artery - intima-media thickness (CCA-IMT)

    Measured: From baseline to 4-y, 11-y and 20-y examinations

  3. Death

    Incidence of death

    Measured: Annually between March 1984 and December 2052

Secondary outcomes (4)
  1. Type 2 diabetes

    Incidence of type 2 diabetes

    Measured: Annually between March 1984 and December 2052

  2. Dementia

    Incidence of dementia

    Measured: Annually between March 1984 and December 2052

  3. Cancer

    Incidence of cancer

    Measured: Annually between March 1984 and December 2052

  4. Infectious disease

    Incidence of hospitalization due infectious disease

    Measured: Annually between March 1984 and December 2052

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted18 Jul 2017
  2. Study start1 Mar 1984
  3. Primary completion31 Dec 2052 (estimated)
  4. Study completion31 Dec 2052 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
2,682 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03221127
Sponsor's protocol ID
KIHD Nutrition
Status last verified
Apr 2019
First submitted
7 Jul 2017
Last updated
18 Apr 2019
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Yes: Data available for collaborative projects

Publications

  • Hockey M, Hoare E, Mohebbi M, Tolmunen T, Hantunen S, Tuomainen TP, Macpherson H, Staudacher H, Jacka FN, Virtanen JK, Rocks T, Ruusunen A. Nonfermented Dairy Intake, but Not Fermented Dairy Intake, Associated with a Higher Risk of Depression in Middle-Age and Older Finnish Men. J Nutr. 2022 Aug 9;152(8):1916-1926. doi: 10.1093/jn/nxac128.

    PubMed 35652820
  • Ylilauri MPT, Voutilainen S, Lonnroos E, Virtanen HEK, Tuomainen TP, Salonen JT, Virtanen JK. Associations of dietary choline intake with risk of incident dementia and with cognitive performance: the Kuopio Ischaemic Heart Disease Risk Factor Study. Am J Clin Nutr. 2019 Dec 1;110(6):1416-1423. doi: 10.1093/ajcn/nqz148.

    PubMed 31360988
  • Abdollahi AM, Virtanen HEK, Voutilainen S, Kurl S, Tuomainen TP, Salonen JT, Virtanen JK. Egg consumption, cholesterol intake, and risk of incident stroke in men: the Kuopio Ischaemic Heart Disease Risk Factor Study. Am J Clin Nutr. 2019 Jul 1;110(1):169-176. doi: 10.1093/ajcn/nqz066.

    PubMed 31095282
  • Virtanen HEK, Voutilainen S, Koskinen TT, Mursu J, Kokko P, Ylilauri MPT, Tuomainen TP, Salonen JT, Virtanen JK. Dietary proteins and protein sources and risk of death: the Kuopio Ischaemic Heart Disease Risk Factor Study. Am J Clin Nutr. 2019 May 1;109(5):1462-1471. doi: 10.1093/ajcn/nqz025.

    PubMed 30968137
  • Virtanen HEK, Voutilainen S, Koskinen TT, Mursu J, Tuomainen TP, Virtanen JK. Intake of Different Dietary Proteins and Risk of Heart Failure in Men: The Kuopio Ischaemic Heart Disease Risk Factor Study. Circ Heart Fail. 2018 Jun;11(6):e004531. doi: 10.1161/CIRCHEARTFAILURE.117.004531.

    PubMed 29844244

Questions about this trial

What is this clinical trial studying?

An observational study of Cardiovascular Diseases and Diabetes, run by University of Eastern Finland.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: under way, not looking for participants, as of the sponsor's last update on 18 Apr 2019. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Cardiovascular disease (time frame: Annually between March 1984 and December 2052). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03221127, which also lists 5 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 18 Apr 2019.

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