Cardiovascular DiseasesNCT00037245
Androgens and Subclinical Atherosclerosis in Young Women - Ancillary to CARDIA
An observational study of Cardiovascular Diseases and Coronary Arteriosclerosis, run by University of Washington.
Trial summary
To examine whether serum androgens, measured earlier in life, and variation in genes related to androgen synthesis, metabolism, and signaling are associated with early-onset subclinical coronary atherosclerosis in young adult women from the community. Read more about this study
- Who is it for?
- Ages Up to 100 years, women only
- Conditions the study is for
- Cardiovascular Diseases, Coronary Arteriosclerosis, Heart Diseases
- How many people
- Not given
- Where
- No sites listed yet
- Study dates
- Sep 2001to Jul 2005
- 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 Up to 100 years
- Women only
- No healthy volunteers
- Child, Adult, Older adult
No eligibility criteria
About this study
To examine whether serum androgens, measured earlier in life, and variation in genes related to androgen synthesis, metabolism, and signaling are associated with early-onset subclinical coronary atherosclerosis in young adult women from the community.
Read the detailed description
BACKGROUND:
Polycystic ovary syndrome (PCOS) is denoted by hyperandrogenism and symptoms of ovulation dysfunction (e.g., infertility, oligomenorrhea). Women who are diagnosed with PCOS represent the more extreme end of abnormal ovarian function. While PCOS is rare, approximately 20 percent of women are expected to have subclinical polycystic ovaries, identified by sonogram. Factors that are associated with PCOS, insulin resistance and dyslipidemia, are also risk factors for coronary artery disease and there is evidence to suggest that women with PCOS are more likely to experience coronary artery disease. This raises the question: are subclinical cases of polycystic ovaries at increased risk of coronary artery disease?
The study is ancillary to the the Coronary Artery Risk Development in Young Adults (CARDIA) Study, a large cohort study supported by the NHLBI. The CARDIA population provides a unique opportunity to explore these associations because there is a 15-year period of risk factor ascertainment in this population including stored blood + DNA specimens from which serum androgens and relevant genetic markers can be ascertained. In addition, all participants will have coronary artery calcium (CAC) determinations at the year 15 exam. In the ancillary study an additional year 16 visit will occur for the purpose of obtaining a trans vaginal ultrasound determination (TVUS) so as to obtain clinical evidence of hyperandrogenism and look at the joint effects of the clinical evidence and serum markers as predictors of CAC. The study is in response to an initiative on Ancillary Studies in Heart, Lung, and Blood Disease Trials released in June, 2000.
DESIGN NARRATIVE:
The ancillary study in year 16 of CARDIA will recall 1,200 women who received a coronary artery calcification (CAC) determination in year 15. These women will have an additional blood draw three to 10 days after their last menstrual period, will have a questionnaire administered to them regarding clinical symptoms of PCOS (polycystic ovarian syndrome) and other aspects of hyperandrogenism. Two principal analyses will be performed. The first is a longitudinal analysis using year 2 and year 10 data to use serum markers of hyperandrogenism and genetic markers from DNA samples as predictors of CAC which is defined as present (absent) and is determined at the year 15 examination. The principal method of analysis will be logistic regression. An additional analysis will relate androgen levels at year 2 to lipid levels and other coronary risk factors ascertained at year 2, 7, 10 and 15.
- Conditions
- Cardiovascular Diseases, Coronary Arteriosclerosis, Heart Diseases, Polycystic Ovary Syndrome
- Medical subject headings
- Cardiovascular Diseases, Coronary Artery Disease, Heart Diseases, Polycystic Ovary Syndrome
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted17 May 2002 (estimated)
- Study startSep 2001
- Study completionJul 2005
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.
- More trials run by University of WashingtonThe sponsor's other registered studies.
- 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
Sponsor and investigators
- Lead sponsor
- University of Washington
- Sponsor type
- University, hospital or other
- Collaborators
- National Heart, Lung, and Blood Institute (NHLBI)
- Investigators
- David Siscovick, University of Washington
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00037245
- Sponsor's protocol ID
- 1144
- Other IDs
- R01HL065622
- Status last verified
- Dec 2005
- First submitted
- 16 May 2002
- Last updated
- 10 Feb 2016
- Results posted
- No
Study at a glance
From the registry record, last updated by the sponsor on 10 Feb 2016. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Androgens and Subclinical Atherosclerosis in Young Women - Ancillary to CARDIA
- ClinicalTrials.gov ID
- NCT00037245
- Acronym / sponsor ID
- 1144
- Conditions
- Cardiovascular Diseases, Coronary Arteriosclerosis, Heart Diseases, Polycystic Ovary Syndrome
- Study type
- Observational
- Recruitment status
- Completed
- Lead sponsor
- University of WashingtonUniversity, hospital or other
- Collaborators
- National Heart, Lung, and Blood Institute (NHLBI)
- Study start
- Sep 2001
- Study completion
- Jul 2005
- First posted
- 17 May 2002 (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 examine whether serum androgens, measured earlier in life, and variation in genes related to androgen synthesis, metabolism, and signaling are associated with early-onset subclinical coronary atherosclerosis in young adult women from the community.
Detailed description
BACKGROUND:
Polycystic ovary syndrome (PCOS) is denoted by hyperandrogenism and symptoms of ovulation dysfunction (e.g., infertility, oligomenorrhea). Women who are diagnosed with PCOS represent the more extreme end of abnormal ovarian function. While PCOS is rare, approximately 20 percent of women are expected to have subclinical polycystic ovaries, identified by sonogram. Factors that are associated with PCOS, insulin resistance and dyslipidemia, are also risk factors for coronary artery disease and there is evidence to suggest that women with PCOS are more likely to experience coronary artery disease. This raises the question: are subclinical cases of polycystic ovaries at increased risk of coronary artery disease?
The study is ancillary to the the Coronary Artery Risk Development in Young Adults (CARDIA) Study, a large cohort study supported by the NHLBI. The CARDIA population provides a unique opportunity to explore these associations because there is a 15-year period of risk factor ascertainment in this population including stored blood + DNA specimens from which serum androgens and relevant genetic markers can be ascertained. In addition, all participants will have coronary artery calcium (CAC) determinations at the year 15 exam. In the ancillary study an additional year 16 visit will occur for the purpose of obtaining a trans vaginal ultrasound determination (TVUS) so as to obtain clinical evidence of hyperandrogenism and look at the joint effects of the clinical evidence and serum markers as predictors of CAC. The study is in response to an initiative on Ancillary Studies in Heart, Lung, and Blood Disease Trials released in June, 2000.
DESIGN NARRATIVE:
The ancillary study in year 16 of CARDIA will recall 1,200 women who received a coronary artery calcification (CAC) determination in year 15. These women will have an additional blood draw three to 10 days after their last menstrual period, will have a questionnaire administered to them regarding clinical symptoms of PCOS (polycystic ovarian syndrome) and other aspects of hyperandrogenism. Two principal analyses will be performed. The first is a longitudinal analysis using year 2 and year 10 data to use serum markers of hyperandrogenism and genetic markers from DNA samples as predictors of CAC which is defined as present (absent) and is determined at the year 15 examination. The principal method of analysis will be logistic regression. An additional analysis will relate androgen levels at year 2 to lipid levels and other coronary risk factors ascertained at year 2, 7, 10 and 15.
Study design
Who may qualify
- Ages
- Up to 100 years
- Sex
- Female only
- Healthy volunteers
- Not accepted
- Age groups
- Child, Adult, Older adult
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 10 Feb 2016.
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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.
David Siscovick
University of Washington
Questions about this trial
What is this clinical trial studying?
An observational study of Cardiovascular Diseases and Coronary Arteriosclerosis, run by University of Washington.
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 10 Feb 2016. 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 10 Feb 2016.