Cardiovascular DiseasesNCT00086424
Epidemiology of Insulin Growth Factor (IGF) and Cardiovascular Events
An observational study of Cardiovascular Diseases and Heart Diseases, run by Albert Einstein College of Medicine.
Trial summary
To explore the role of insulin growth factor in cardiovascular disease in older men and women. Read more about this study
- Who is it for?
- Ages 65 to 90 years
- Conditions the study is for
- Cardiovascular Diseases, Heart Diseases, Coronary Disease
- How many people
- 5,888 participants
- Where
- No sites listed yet
- Study dates
- Jul 2004to Apr 2008
- Phase
- Observational
- Are there results?
- None posted in the registry
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 65 to 90 years
- All sexes
- No healthy volunteers
- Older adult
Study population: Community dwelling adults aged 65 years and older recruited from four US field centers
Medicare-eligible adults as well as other age-eligible individuals residing in the household
About this study
To explore the role of insulin growth factor in cardiovascular disease in older men and women.
Read the detailed description
BACKGROUND:
Insulin-like growth factor-I (IGF-I) is the main mediator of effects of growth hormone (GH) and an important regulator of cell cycle/differentiation and inhibitor of apoptosis. Consistent with laboratory studies showing potentially beneficial effects of IGF-I on the cardiovascular and cerebrovascular systems, GH-deficient individuals have high cardiovascular disease (CVD) mortality and evidence of premature atherosclerotic disease that is reversible with GH replacement. In addition, several epidemiological and clinical studies have shown an association between low serum IGF-I levels and myocardial infarction (MI) and congestive heart failure (CHF) among persons without frank abnormalities of the GH/IGF-I axis.
DESIGN NARRATIVE:
The study is the first prospective investigation to assess whether serum levels of IGF-I and two of its important binding proteins, IGFBP-3, and IGFBP-1, are associated with incidence of confirmed incident cardiovascular disease (CVD) events in older male and female adults. Specimens and data for this study will be obtained from the Cardiovascular Health Study (CHS), a large, multi-center NHLBI-funded prospective cohort study of 5,888 community-dwelling men and women 65 years or older. The study uses an efficient case-cohort study design to select specimens for testing, involving evaluation of 750 incident myocardial infarction (MI)/fatal coronary heart disease (CHD) cases, 500 incident stroke cases, 750 incident congestive heart failure (CHF) cases, and a comparison sub-cohort of 750 individuals selected at random from the study population. The study examines the association between baseline serum IGF-I, IGFBP-1, and IGFBP-3 level and the future occurrence of first incident MI/fatal CHD, ischemic stroke, and CHF. Multivariate regression models are used to control for potential confounding factors including age, sex, race/ethnicity, anthropometry and body composition, fasting and 2-hour post-load glucose and insulin levels, dietary intake, physical activity, hormone replacement therapy and other medications, and other CVD risk markers such as lipids, inflammatory factors, and coagulation/fibrinolysis markers.
- Conditions
- Cardiovascular Diseases, Heart Diseases, Coronary Disease, Myocardial Infarction, Cerebrovascular Accident, Heart Failure
- Medical subject headings
- Cardiovascular Diseases, Heart Diseases, Coronary Disease, Myocardial Infarction, Stroke, Heart Failure
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted5 Jul 2004 (estimated)
- Study startJul 2004
- Primary completionApr 2008
- Study completionApr 2008
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Cardiovascular DiseasesStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
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
- 5,888 participants (actual)
Sponsor and investigators
- Lead sponsor
- Albert Einstein College of Medicine
- Sponsor type
- University, hospital or other
- Collaborators
- National Heart, Lung, and Blood Institute (NHLBI), National Institute on Aging (NIA)
- Responsible party
- Principal investigator, Robert Kaplan, Albert Einstein College of Medicine
- Investigators
- Robert C Kaplan, Ph.D., Principal investigator, Albert Einstein College of Medicine
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00086424
- Sponsor's protocol ID
- 1259
- Other IDs
- 5R01HL075516, 1R01AG031890, 2003-020
- Status last verified
- Jun 2018
- First submitted
- 1 Jul 2004
- Last updated
- 14 Jun 2018
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
Study at a glance
From the registry record, last updated by the sponsor on 14 Jun 2018. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Epidemiology of Insulin Growth Factor (IGF) and Cardiovascular Events
- ClinicalTrials.gov ID
- NCT00086424
- Acronym / sponsor ID
- 1259
- Conditions
- Cardiovascular Diseases, Heart Diseases, Coronary Disease, Myocardial Infarction, Cerebrovascular Accident, Heart Failure
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 5,888 participants (actual)
- Lead sponsor
- Albert Einstein College of MedicineUniversity, hospital or other
- Collaborators
- National Heart, Lung, and Blood Institute (NHLBI), National Institute on Aging (NIA)
- Study start
- Jul 2004
- Primary completion
- Apr 2008 (actual)
- Study completion
- Apr 2008 (actual)
- First posted
- 5 Jul 2004 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
To explore the role of insulin growth factor in cardiovascular disease in older men and women.
Detailed description
BACKGROUND:
Insulin-like growth factor-I (IGF-I) is the main mediator of effects of growth hormone (GH) and an important regulator of cell cycle/differentiation and inhibitor of apoptosis. Consistent with laboratory studies showing potentially beneficial effects of IGF-I on the cardiovascular and cerebrovascular systems, GH-deficient individuals have high cardiovascular disease (CVD) mortality and evidence of premature atherosclerotic disease that is reversible with GH replacement. In addition, several epidemiological and clinical studies have shown an association between low serum IGF-I levels and myocardial infarction (MI) and congestive heart failure (CHF) among persons without frank abnormalities of the GH/IGF-I axis.
DESIGN NARRATIVE:
The study is the first prospective investigation to assess whether serum levels of IGF-I and two of its important binding proteins, IGFBP-3, and IGFBP-1, are associated with incidence of confirmed incident cardiovascular disease (CVD) events in older male and female adults. Specimens and data for this study will be obtained from the Cardiovascular Health Study (CHS), a large, multi-center NHLBI-funded prospective cohort study of 5,888 community-dwelling men and women 65 years or older. The study uses an efficient case-cohort study design to select specimens for testing, involving evaluation of 750 incident myocardial infarction (MI)/fatal coronary heart disease (CHD) cases, 500 incident stroke cases, 750 incident congestive heart failure (CHF) cases, and a comparison sub-cohort of 750 individuals selected at random from the study population. The study examines the association between baseline serum IGF-I, IGFBP-1, and IGFBP-3 level and the future occurrence of first incident MI/fatal CHD, ischemic stroke, and CHF. Multivariate regression models are used to control for potential confounding factors including age, sex, race/ethnicity, anthropometry and body composition, fasting and 2-hour post-load glucose and insulin levels, dietary intake, physical activity, hormone replacement therapy and other medications, and other CVD risk markers such as lipids, inflammatory factors, and coagulation/fibrinolysis markers.
Study design
- Observational model
- Cohort
- Time perspective
- Prospective
Who may qualify
- Ages
- 65 to 90 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Older adult
- Study population
- Community dwelling adults aged 65 years and older recruited from four US field centers
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Not reported in the source record.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 14 Jun 2018.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Robert C Kaplan, Ph.D. principal investigator
Albert Einstein College of Medicine
Questions about this trial
What is this clinical trial studying?
An observational study of Cardiovascular Diseases and Heart Diseases, run by Albert Einstein College of Medicine.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
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: finished, as of the sponsor's last update on 14 Jun 2018. 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?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
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.
Where can I read the original study information?
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 14 Jun 2018.