Myocardial InfarctionMARKNCT01428934
Improving Intermediate Risk Management. MARK Study
An observational study of Myocardial Infarction and Angina Pectoris, run by Fundacio d'Investigacio en Atencio Primaria Jordi Gol i Gurina at 1 site in Spain.
Trial summary
Cardiovascular risk functions fail to identify more than 50% of patients who develop cardiovascular disease. This is especially evident in the intermediate-risk patients in which clinical management becomes difficult. Read more about this study
- Who is it for?
- Ages 35 to 74 yearsHealthy volunteers can take part
- Conditions the study is for
- Myocardial Infarction, Angina Pectoris, Stroke
- How many people
- 2,495 participants
- Where
- 1 siteSpain
- Study dates
- Jul 2011to Dec 2016
- 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 35 to 74 years
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Study population: Population aged 35 to 74 which have an intermediate cardiovascular risk.
Who may be able to join
- Population aged 35 to 74 which have an intermediate cardiovascular risk.
Who cannot join
- Terminal illness or institutionalization at the appointment time
- Personal history of atherosclerotic disease
Trial locations and contacts
1 site in 1 country.
Spain1 site
Unidad de Investigación en Atención Primaria de Girona, IDIAP Jordi Gol, Institut Català de la Salut
Girona, 17003
About this study
Cardiovascular risk functions fail to identify more than 50% of patients who develop cardiovascular disease. This is especially evident in the intermediate-risk patients in which clinical management becomes difficult. The purpose of this study is to analyze if ankle-brachial index (ABI), measures of arterial stiffness, postprandial glucose, glycosylated hemoglobin, self-measured blood pressure and presence of comorbidity are independently associated to incidence of vascular events and whether they can improve the predictive capacity of current risk equations in the intermediate-risk population.
Read the detailed description
Primary prevention of cardiovascular diseases is a priority in public health policy of developed and developing countries. The fundamental strategy consists in identifying people in a high risk situation in which preventive measures are effective and efficient. However, specificity and sensitivity of risk equations are modest, which means that approximately 50% of the patients who are likely to develop a vascular event and would benefit from preventive measures are not considered at high risk. While 30% of the subjects considered at risk don't really benefit from preventive measures. Moreover, decisions which imply thousands of people and can determine drug treatment indications are taken every day in primary care centers. These decisions are based mostly on the result of estimations about the probability to develop a vascular disease in 10 years. Improvement of these predictions in our country will have an immediate, clinical and welfare impact and a short term public health effect.
The purpose of this study is to analyze if ankle-brachial index (ABI), measures of arterial stiffness, postprandial glucose, glycosylated hemoglobin, self-measured blood pressure and presence of comorbidity are independently associated to incidence of vascular events and whether they can improve the predictive capacity of current risk equations in the intermediate-risk population.
- Medical subject headings
- Myocardial Infarction, Angina Pectoris, Stroke, Peripheral Arterial Disease
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
| Study group | Role | What they receive |
|---|---|---|
| Intermediate risk population | Population aged between 35 to 74 years who have an intermediate cardiovascular risk, defined as coronary risk between 5% -15% at 10 years according to the Framingham adapted risk equation or vascular mortality risk between 3-5% at 10 years according to the SCORE equation [27]. |
What is being measured
The primary outcome is the main question the study is designed to answer.
Vascular events
There will be a telephone follow-up at 10 years to verify the vital status and the existence of hospital admissions due to vascular health problems: Fatal and non fatal coronary heart disease (myocardial infarction or angina pectoris), stroke and peripheral arterial disease
Measured: 10 years
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted5 Sep 2011 (estimated)
- Study startJul 2011
- Primary completionDec 2013
- Study completionDec 2016
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (41)Papers the sponsor has linked to this study.
- Other trials for Myocardial InfarctionStudies 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
- 2,495 participants (actual)
Sponsor and investigators
- Lead sponsor
- Fundacio d'Investigacio en Atencio Primaria Jordi Gol i Gurina
- Sponsor type
- University, hospital or other
- Collaborators
- Preventive Services and Health Promotion Research Network
- Responsible party
- Sponsor
- Investigators
- Rafel Ramos, Principal investigator, Unidad de Invesitigación en Atención Primaria de Girona, IDIAP Jordi Gol. Instituto de Investigación Biomédica de Girona Dr. Josep Trueta (IDIBGI). Departamento de Ciencias Médicas, Universidad de Girona
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01428934
- Sponsor's protocol ID
- PI10/01088
- Acronym
- MARK
- Status last verified
- Sep 2016
- First submitted
- 31 Aug 2011
- Last updated
- 9 Mar 2018
- Results posted
- No
- Data monitoring committee
- Yes
- Individual data sharing
- No
Publications
Marrugat J, Elosua R, Marti H. [Epidemiology of ischaemic heart disease in Spain: estimation of the number of cases and trends from 1997 to 2005]. Rev Esp Cardiol. 2002 Apr;55(4):337-46. doi: 10.1016/s0300-8932(02)76611-6. Spanish.
PubMed 11975899Graham I, Atar D, Borch-Johnsen K, Boysen G, Burell G, Cifkova R, Dallongeville J, De Backer G, Ebrahim S, Gjelsvik B, Herrmann-Lingen C, Hoes A, Humphries S, Knapton M, Perk J, Priori SG, Pyorala K, Reiner Z, Ruilope L, Sans-Menendez S, Scholte op Reimer W, Weissberg P, Wood D, Yarnell J, Zamorano JL, Walma E, Fitzgerald T, Cooney MT, Dudina A; European Society of Cardiology (ESC) Committee for Practice Guidelines (CPG). European guidelines on cardiovascular disease prevention in clinical practice: executive summary: Fourth Joint Task Force of the European Society of Cardiology and Other Societies on Cardiovascular Disease Prevention in Clinical Practice (Constituted by representatives of nine societies and by invited experts). Eur Heart J. 2007 Oct;28(19):2375-414. doi: 10.1093/eurheartj/ehm316. Epub 2007 Aug 28. No abstract available.
PubMed 17726041Marrugat J, Subirana I, Comin E, Cabezas C, Vila J, Elosua R, Nam BH, Ramos R, Sala J, Solanas P, Cordon F, Gene-Badia J, D'Agostino RB; VERIFICA Investigators. Validity of an adaptation of the Framingham cardiovascular risk function: the VERIFICA Study. J Epidemiol Community Health. 2007 Jan;61(1):40-7. doi: 10.1136/jech.2005.038505.
PubMed 17183014Folsom AR, Chambless LE, Ballantyne CM, Coresh J, Heiss G, Wu KK, Boerwinkle E, Mosley TH Jr, Sorlie P, Diao G, Sharrett AR. An assessment of incremental coronary risk prediction using C-reactive protein and other novel risk markers: the atherosclerosis risk in communities study. Arch Intern Med. 2006 Jul 10;166(13):1368-73. doi: 10.1001/archinte.166.13.1368.
PubMed 16832001Helfand M, Buckley DI, Freeman M, Fu R, Rogers K, Fleming C, Humphrey LL. Emerging risk factors for coronary heart disease: a summary of systematic reviews conducted for the U.S. Preventive Services Task Force. Ann Intern Med. 2009 Oct 6;151(7):496-507. doi: 10.7326/0003-4819-151-7-200910060-00010.
PubMed 19805772U.S. Preventive Services Task Force. Using nontraditional risk factors in coronary heart disease risk assessment: U.S. Preventive Services Task Force recommendation statement. Ann Intern Med. 2009 Oct 6;151(7):474-82. doi: 10.7326/0003-4819-151-7-200910060-00008.
PubMed 19805770Morrow DA, de Lemos JA. Benchmarks for the assessment of novel cardiovascular biomarkers. Circulation. 2007 Feb 27;115(8):949-52. doi: 10.1161/CIRCULATIONAHA.106.683110. No abstract available.
PubMed 17325253Ankle Brachial Index Collaboration; Fowkes FG, Murray GD, Butcher I, Heald CL, Lee RJ, Chambless LE, Folsom AR, Hirsch AT, Dramaix M, deBacker G, Wautrecht JC, Kornitzer M, Newman AB, Cushman M, Sutton-Tyrrell K, Fowkes FG, Lee AJ, Price JF, d'Agostino RB, Murabito JM, Norman PE, Jamrozik K, Curb JD, Masaki KH, Rodriguez BL, Dekker JM, Bouter LM, Heine RJ, Nijpels G, Stehouwer CD, Ferrucci L, McDermott MM, Stoffers HE, Hooi JD, Knottnerus JA, Ogren M, Hedblad B, Witteman JC, Breteler MM, Hunink MG, Hofman A, Criqui MH, Langer RD, Fronek A, Hiatt WR, Hamman R, Resnick HE, Guralnik J, McDermott MM. Ankle brachial index combined with Framingham Risk Score to predict cardiovascular events and mortality: a meta-analysis. JAMA. 2008 Jul 9;300(2):197-208. doi: 10.1001/jama.300.2.197.
PubMed 18612117Diehm C, Allenberg JR, Pittrow D, Mahn M, Tepohl G, Haberl RL, Darius H, Burghaus I, Trampisch HJ; German Epidemiological Trial on Ankle Brachial Index Study Group. Mortality and vascular morbidity in older adults with asymptomatic versus symptomatic peripheral artery disease. Circulation. 2009 Nov 24;120(21):2053-61. doi: 10.1161/CIRCULATIONAHA.109.865600. Epub 2009 Nov 9.
PubMed 19901192Ramos R, Quesada M, Solanas P, Subirana I, Sala J, Vila J, Masia R, Cerezo C, Elosua R, Grau M, Cordon F, Juvinya D, Fito M, Isabel Covas M, Clara A, Angel Munoz M, Marrugat J; REGICOR Investigators. Prevalence of symptomatic and asymptomatic peripheral arterial disease and the value of the ankle-brachial index to stratify cardiovascular risk. Eur J Vasc Endovasc Surg. 2009 Sep;38(3):305-11. doi: 10.1016/j.ejvs.2009.04.013. Epub 2009 Jun 10.
PubMed 19515589Vlachopoulos C, Aznaouridis K, Stefanadis C. Prediction of cardiovascular events and all-cause mortality with arterial stiffness: a systematic review and meta-analysis. J Am Coll Cardiol. 2010 Mar 30;55(13):1318-27. doi: 10.1016/j.jacc.2009.10.061.
PubMed 20338492Mancia G, Laurent S, Agabiti-Rosei E, Ambrosioni E, Burnier M, Caulfield MJ, Cifkova R, Clement D, Coca A, Dominiczak A, Erdine S, Fagard R, Farsang C, Grassi G, Haller H, Heagerty A, Kjeldsen SE, Kiowski W, Mallion JM, Manolis A, Narkiewicz K, Nilsson P, Olsen MH, Rahn KH, Redon J, Rodicio J, Ruilope L, Schmieder RE, Struijker-Boudier HA, van Zwieten PA, Viigimaa M, Zanchetti A; European Society of Hypertension. Reappraisal of European guidelines on hypertension management: a European Society of Hypertension Task Force document. J Hypertens. 2009 Nov;27(11):2121-58. doi: 10.1097/HJH.0b013e328333146d. No abstract available.
PubMed 19838131Shirai K, Utino J, Otsuka K, Takata M. A novel blood pressure-independent arterial wall stiffness parameter; cardio-ankle vascular index (CAVI). J Atheroscler Thromb. 2006 Apr;13(2):101-7. doi: 10.5551/jat.13.101.
PubMed 16733298Takaki A, Ogawa H, Wakeyama T, Iwami T, Kimura M, Hadano Y, Matsuda S, Miyazaki Y, Hiratsuka A, Matsuzaki M. Cardio-ankle vascular index is superior to brachial-ankle pulse wave velocity as an index of arterial stiffness. Hypertens Res. 2008 Jul;31(7):1347-55. doi: 10.1291/hypres.31.1347.
PubMed 18957805Selvin E, Marinopoulos S, Berkenblit G, Rami T, Brancati FL, Powe NR, Golden SH. Meta-analysis: glycosylated hemoglobin and cardiovascular disease in diabetes mellitus. Ann Intern Med. 2004 Sep 21;141(6):421-31. doi: 10.7326/0003-4819-141-6-200409210-00007.
PubMed 15381515
Study at a glance
From the registry record, last updated by the sponsor on 9 Mar 2018. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Improving Intermediate Risk Management. MARK Study
- ClinicalTrials.gov ID
- NCT01428934
- Acronym / sponsor ID
- MARK / PI10/01088
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 2,495 participants (actual)
- Lead sponsor
- Fundacio d'Investigacio en Atencio Primaria Jordi Gol i GurinaUniversity, hospital or other
- Collaborators
- Preventive Services and Health Promotion Research Network
- Study start
- Jul 2011
- Primary completion
- Dec 2013 (actual)
- Study completion
- Dec 2016 (actual)
- First posted
- 5 Sep 2011 (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.
Cardiovascular risk functions fail to identify more than 50% of patients who develop cardiovascular disease. This is especially evident in the intermediate-risk patients in which clinical management becomes difficult. The purpose of this study is to analyze if ankle-brachial index (ABI), measures of arterial stiffness, postprandial glucose, glycosylated hemoglobin, self-measured blood pressure and presence of comorbidity are independently associated to incidence of vascular events and whether they can improve the predictive capacity of current risk equations in the intermediate-risk population.
Detailed description
Primary prevention of cardiovascular diseases is a priority in public health policy of developed and developing countries. The fundamental strategy consists in identifying people in a high risk situation in which preventive measures are effective and efficient. However, specificity and sensitivity of risk equations are modest, which means that approximately 50% of the patients who are likely to develop a vascular event and would benefit from preventive measures are not considered at high risk. While 30% of the subjects considered at risk don't really benefit from preventive measures. Moreover, decisions which imply thousands of people and can determine drug treatment indications are taken every day in primary care centers. These decisions are based mostly on the result of estimations about the probability to develop a vascular disease in 10 years. Improvement of these predictions in our country will have an immediate, clinical and welfare impact and a short term public health effect.
The purpose of this study is to analyze if ankle-brachial index (ABI), measures of arterial stiffness, postprandial glucose, glycosylated hemoglobin, self-measured blood pressure and presence of comorbidity are independently associated to incidence of vascular events and whether they can improve the predictive capacity of current risk equations in the intermediate-risk population.
Study design
- Observational model
- Cohort
- Time perspective
- Prospective
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Intermediate risk population | – | –Population aged between 35 to 74 years who have an intermediate cardiovascular risk, defined as coronary risk between 5% -15% at 10 years according to the Framingham adapted risk equation or vascular mortality risk between 3-5% at 10 years according to the SCORE equation [27]. |
Who may qualify
- Ages
- 35 to 74 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
- Study population
- Population aged 35 to 74 which have an intermediate cardiovascular risk.
Key inclusion criteria (1 listed)
- Population aged 35 to 74 which have an intermediate cardiovascular risk.
Key exclusion criteria (2 listed)
- Terminal illness or institutionalization at the appointment time
- Personal history of atherosclerotic disease
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
Vascular events
Time frame: 10 years
There will be a telephone follow-up at 10 years to verify the vital status and the existence of hospital admissions due to vascular health problems: Fatal and non fatal coronary heart disease (myocardial infarction or angina pectoris), stroke and peripheral arterial disease
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 9 Mar 2018.
- Background: PubMed 11975899Marrugat J, Elosua R, Marti H. [Epidemiology of ischaemic heart disease in Spain: estimation of the number of cases and trends from 1997 to 2005]. Rev Esp Cardiol. 2002 Apr;55(4):337-46. doi: 10.1016/s0300-8932(02)76611-6. Spanish.
- Background: PubMed 17726041Graham I, Atar D, Borch-Johnsen K, Boysen G, Burell G, Cifkova R, Dallongeville J, De Backer G, Ebrahim S, Gjelsvik B, Herrmann-Lingen C, Hoes A, Humphries S, Knapton M, Perk J, Priori SG, Pyorala K, Reiner Z, Ruilope L, Sans-Menendez S, Scholte op Reimer W, Weissberg P, Wood D, Yarnell J, Zamorano JL, Walma E, Fitzgerald T, Cooney MT, Dudina A; European Society of Cardiology (ESC) Committee for Practice Guidelines (CPG). European guidelines on cardiovascular disease prevention in clinical practice: executive summary: Fourth Joint Task Force of the European Society of Cardiology and Other Societies on Cardiovascular Disease Prevention in Clinical Practice (Constituted by representatives of nine societies and by invited experts). Eur Heart J. 2007 Oct;28(19):2375-414. doi: 10.1093/eurheartj/ehm316. Epub 2007 Aug 28. No abstract available.
- Background: PubMed 17183014Marrugat J, Subirana I, Comin E, Cabezas C, Vila J, Elosua R, Nam BH, Ramos R, Sala J, Solanas P, Cordon F, Gene-Badia J, D'Agostino RB; VERIFICA Investigators. Validity of an adaptation of the Framingham cardiovascular risk function: the VERIFICA Study. J Epidemiol Community Health. 2007 Jan;61(1):40-7. doi: 10.1136/jech.2005.038505.
- Background: PubMed 16832001Folsom AR, Chambless LE, Ballantyne CM, Coresh J, Heiss G, Wu KK, Boerwinkle E, Mosley TH Jr, Sorlie P, Diao G, Sharrett AR. An assessment of incremental coronary risk prediction using C-reactive protein and other novel risk markers: the atherosclerosis risk in communities study. Arch Intern Med. 2006 Jul 10;166(13):1368-73. doi: 10.1001/archinte.166.13.1368.
- Background: PubMed 19805772Helfand M, Buckley DI, Freeman M, Fu R, Rogers K, Fleming C, Humphrey LL. Emerging risk factors for coronary heart disease: a summary of systematic reviews conducted for the U.S. Preventive Services Task Force. Ann Intern Med. 2009 Oct 6;151(7):496-507. doi: 10.7326/0003-4819-151-7-200910060-00010.
- Background: PubMed 19805770U.S. Preventive Services Task Force. Using nontraditional risk factors in coronary heart disease risk assessment: U.S. Preventive Services Task Force recommendation statement. Ann Intern Med. 2009 Oct 6;151(7):474-82. doi: 10.7326/0003-4819-151-7-200910060-00008.
- Background: PubMed 17325253Morrow DA, de Lemos JA. Benchmarks for the assessment of novel cardiovascular biomarkers. Circulation. 2007 Feb 27;115(8):949-52. doi: 10.1161/CIRCULATIONAHA.106.683110. No abstract available.
- Background: PubMed 18612117Ankle Brachial Index Collaboration; Fowkes FG, Murray GD, Butcher I, Heald CL, Lee RJ, Chambless LE, Folsom AR, Hirsch AT, Dramaix M, deBacker G, Wautrecht JC, Kornitzer M, Newman AB, Cushman M, Sutton-Tyrrell K, Fowkes FG, Lee AJ, Price JF, d'Agostino RB, Murabito JM, Norman PE, Jamrozik K, Curb JD, Masaki KH, Rodriguez BL, Dekker JM, Bouter LM, Heine RJ, Nijpels G, Stehouwer CD, Ferrucci L, McDermott MM, Stoffers HE, Hooi JD, Knottnerus JA, Ogren M, Hedblad B, Witteman JC, Breteler MM, Hunink MG, Hofman A, Criqui MH, Langer RD, Fronek A, Hiatt WR, Hamman R, Resnick HE, Guralnik J, McDermott MM. Ankle brachial index combined with Framingham Risk Score to predict cardiovascular events and mortality: a meta-analysis. JAMA. 2008 Jul 9;300(2):197-208. doi: 10.1001/jama.300.2.197.
- Background: PubMed 19901192Diehm C, Allenberg JR, Pittrow D, Mahn M, Tepohl G, Haberl RL, Darius H, Burghaus I, Trampisch HJ; German Epidemiological Trial on Ankle Brachial Index Study Group. Mortality and vascular morbidity in older adults with asymptomatic versus symptomatic peripheral artery disease. Circulation. 2009 Nov 24;120(21):2053-61. doi: 10.1161/CIRCULATIONAHA.109.865600. Epub 2009 Nov 9.
- Background: PubMed 19515589Ramos R, Quesada M, Solanas P, Subirana I, Sala J, Vila J, Masia R, Cerezo C, Elosua R, Grau M, Cordon F, Juvinya D, Fito M, Isabel Covas M, Clara A, Angel Munoz M, Marrugat J; REGICOR Investigators. Prevalence of symptomatic and asymptomatic peripheral arterial disease and the value of the ankle-brachial index to stratify cardiovascular risk. Eur J Vasc Endovasc Surg. 2009 Sep;38(3):305-11. doi: 10.1016/j.ejvs.2009.04.013. Epub 2009 Jun 10.
- Background: PubMed 20338492Vlachopoulos C, Aznaouridis K, Stefanadis C. Prediction of cardiovascular events and all-cause mortality with arterial stiffness: a systematic review and meta-analysis. J Am Coll Cardiol. 2010 Mar 30;55(13):1318-27. doi: 10.1016/j.jacc.2009.10.061.
- Background: PubMed 19838131Mancia G, Laurent S, Agabiti-Rosei E, Ambrosioni E, Burnier M, Caulfield MJ, Cifkova R, Clement D, Coca A, Dominiczak A, Erdine S, Fagard R, Farsang C, Grassi G, Haller H, Heagerty A, Kjeldsen SE, Kiowski W, Mallion JM, Manolis A, Narkiewicz K, Nilsson P, Olsen MH, Rahn KH, Redon J, Rodicio J, Ruilope L, Schmieder RE, Struijker-Boudier HA, van Zwieten PA, Viigimaa M, Zanchetti A; European Society of Hypertension. Reappraisal of European guidelines on hypertension management: a European Society of Hypertension Task Force document. J Hypertens. 2009 Nov;27(11):2121-58. doi: 10.1097/HJH.0b013e328333146d. No abstract available.
- Individual participant dataSharing planned: No
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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.
Rafel Ramos principal investigator
Unidad de Invesitigación en Atención Primaria de Girona, IDIAP Jordi Gol. Instituto de Investigación Biomédica de Girona Dr. Josep Trueta (IDIBGI). Departamento de Ciencias Médicas, Universidad de Girona
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Myocardial Infarction and Angina Pectoris, run by Fundacio d'Investigacio en Atencio Primaria Jordi Gol i Gurina at 1 site in Spain.
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 1 inclusion and 2 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: finished, as of the sponsor's last update on 9 Mar 2018. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Spain. Whether a site is taking part right now should be confirmed with that site. See every site.
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.
What does the primary outcome measure?
Vascular events (time frame: 10 years). 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 NCT01428934, which also lists 41 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 9 Mar 2018.