Acute Myocardial InfarctionNCT00212056
Japan-Working Groups of Acute Myocardial Infarction for the Reduction of Necrotic Damage by ANP
A study testing ANP(hANP) in people with Acute Myocardial Infarction, run by National Cerebral and Cardiovascular Center, Japan at 1 site in Japan.
Trial summary
To evaluate whether ANP as an adjunctive therapy for AMI reduces myocardial infarct size and improves regional wall motion. Read more about this study
- Who is it for?
- Ages 20 to 79 years
- Conditions the study is for
- Acute Myocardial Infarction
- What is being tested?
- ANP(hANP)
- Type of treatment
- Injection or infusion
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 600 participants
- Where
- 1 siteJapan
- Study dates
- Oct 2001to Dec 2005
- Phase
- Interventional
- 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 20 to 79 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Age 20-79 years
- Chest pain of more than 30 min
- 0.1 mV ST-segment elevation in 2 contiguous ECG leads
- Admission to hospital within 12 h of symptom onset
- First episode of AMI
- Candidates for PCI
Who cannot join
- History of old myocardial infarction
- Left main coronary artery stenosis
- Severe liver and/or kidney dysfunction
- Suspected aortic dissection
- History of coronary artery bypass graft
- History of allergic response to drugs
- Severe hypovolemia
- Right ventricular infarction
Trial locations and contacts
1 site in 1 country.
About this study
To evaluate whether ANP as an adjunctive therapy for AMI reduces myocardial infarct size and improves regional wall motion.
Read the detailed description
The benefits of percutaneous coronary intervention (PCI) in acute myocardial infarction (AMI) are limited by reperfusion injury. In animal models, atrial natriuretic peptide (ANP) reduces infarct size, so the Japan-Working groups of acute myocardial Infarction for the reduction of Necrotic Damage by ANP(J-WINDANP) designed a prospective, randomized, multicenter study, to evaluate whether ANP as an adjunctive therapy for AMI reduces myocardial infarct size and improves regional wall motion.
Twenty hospitals in Japan will participate in the J-WIND-ANP study. Patients with AMI who are candidates for PCI are randomly allocated to receive either intravenous ANP or placebo administration. The primary end-points are (1) estimated infarct size (Σcreatine kinase and troponin T) and (2) left ventricular function (left ventriculograms). Single nucleotide polymorphisms (SNPs) that may be associated with the function of ANP and susceptibility of AMI will be examined. Furthermore, a data mining method will be used to design the optimal combinational therapy for post-MI patients.
J-WIND-ANP will provide important data on the effects of ANP as an adjunct to PCI for AMI and the SNPs information will open the field of tailor-made therapy. The optimal therapeutic drug combination will also be determined for post-MI patients.
- Conditions
- Acute Myocardial Infarction
- Being tested
- ANP(hANP), Control
- Keywords
- Acute myocardial infarction, Atrial natriuretic peptide, Data mining, Randomized clinical trial, SNPs
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
ANP(hANP)Drug
0∙025 μg/kg per min for 3 days(intravenous)
ControlDrug
placebo
| Study group | Role | What they receive |
|---|---|---|
| ANP | Active comparator | Not described Receives: Drug: ANP(hANP) |
| Control | Placebo comparator | Not described Receives: Drug: Control |
What is being measured
The primary outcome is the main question the study is designed to answer.
estimated infarct size
Measured: 72hrs
left ventricular function (left ventricular ejection fraction and end-diastolic volume) and regional wall motion
Measured: 2-8weeks and 6-12months
Secondary outcomes (4)
survival rate
Measured: 2.7years (median follow-up)
cardiovascular events (ie, cardiac death, nonfatal re-infarction, re-hospitalization because of cardiac disease, revascularization)
Measured: 2.7years (median follow-up)
reperfusion injury (ie, malignant ventricular arrhythmia during reperfusion periods, re-elevation of ST-segment, worsening of chest pain)
Measured: 24hrs
the association of SNPs of ANP-related genes with response to ANP treatment
Measured: 2.7years (median follow-up)
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted21 Sep 2005 (estimated)
- Study startOct 2001
- Study completionDec 2005
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for Acute 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
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 600 participants (estimated)
Sponsor and investigators
- Lead sponsor
- National Cerebral and Cardiovascular Center, Japan
- Sponsor type
- University, hospital or other
- Collaborators
- Japan Cardiovascular Research Foundation
- Investigators
- Masafumi Kitakaze, MD, PhD, Study chair, National Cerebral and Cardiovascular Center, Japan
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00212056
- Sponsor's protocol ID
- CSSCJ-1
- Other IDs
- UMIN_ID:C000000088
- Status last verified
- Oct 2007
- First submitted
- 13 Sep 2005
- Last updated
- 1 Nov 2007
- Results posted
- No
Publications
Minamino T, Jiyoong K, Asakura M, Shintani Y, Asanuma H, Kitakaze M; J-WIND Investigators. Rationale and design of a large-scale trial using nicorandil as an adjunct to percutaneous coronary intervention for ST-segment elevation acute myocardial infarction: Japan-Working groups of acute myocardial infarction for the reduction of Necrotic Damage by a K-ATP channel opener (J-WIND-KATP). Circ J. 2004 Feb;68(2):101-6. doi: 10.1253/circj.68.101.
PubMed 14745142
Study at a glance
From the registry record, last updated by the sponsor on 1 Nov 2007. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Japan-Working Groups of Acute Myocardial Infarction for the Reduction of Necrotic Damage by ANP
- ClinicalTrials.gov ID
- NCT00212056
- Acronym / sponsor ID
- CSSCJ-1
- Conditions
- Acute Myocardial Infarction
- Keywords
- Acute myocardial infarction, Atrial natriuretic peptide, Data mining, Randomized clinical trial, SNPs
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 600 participants (estimated)
- Lead sponsor
- National Cerebral and Cardiovascular Center, JapanUniversity, hospital or other
- Collaborators
- Japan Cardiovascular Research Foundation
- Study start
- Oct 2001
- Study completion
- Dec 2005 (actual)
- First posted
- 21 Sep 2005 (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 evaluate whether ANP as an adjunctive therapy for AMI reduces myocardial infarct size and improves regional wall motion.
Detailed description
The benefits of percutaneous coronary intervention (PCI) in acute myocardial infarction (AMI) are limited by reperfusion injury. In animal models, atrial natriuretic peptide (ANP) reduces infarct size, so the Japan-Working groups of acute myocardial Infarction for the reduction of Necrotic Damage by ANP(J-WINDANP) designed a prospective, randomized, multicenter study, to evaluate whether ANP as an adjunctive therapy for AMI reduces myocardial infarct size and improves regional wall motion.
Twenty hospitals in Japan will participate in the J-WIND-ANP study. Patients with AMI who are candidates for PCI are randomly allocated to receive either intravenous ANP or placebo administration. The primary end-points are (1) estimated infarct size (Σcreatine kinase and troponin T) and (2) left ventricular function (left ventriculograms). Single nucleotide polymorphisms (SNPs) that may be associated with the function of ANP and susceptibility of AMI will be examined. Furthermore, a data mining method will be used to design the optimal combinational therapy for post-MI patients.
J-WIND-ANP will provide important data on the effects of ANP as an adjunct to PCI for AMI and the SNPs information will open the field of tailor-made therapy. The optimal therapeutic drug combination will also be determined for post-MI patients.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| ANP | Active comparator | Drug: ANP(hANP) |
| Control | Placebo comparator | Drug: Control |
Who may qualify
- Ages
- 20 to 79 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (6 listed)
- Age 20-79 years
- Chest pain of more than 30 min
- 0.1 mV ST-segment elevation in 2 contiguous ECG leads
- Admission to hospital within 12 h of symptom onset
- First episode of AMI
Key exclusion criteria (8 listed)
- History of old myocardial infarction
- Left main coronary artery stenosis
- Severe liver and/or kidney dysfunction
- Suspected aortic dissection
- History of coronary artery bypass graft
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| ANP(hANP)0∙025 μg/kg per min for 3 days(intravenous) | Drug | ANP |
| Controlplacebo | Drug | Control |
Primary outcome
estimated infarct size
Time frame: 72hrs
left ventricular function (left ventricular ejection fraction and end-diastolic volume) and regional wall motion
Time frame: 2-8weeks and 6-12months
4 secondary outcomes
survival rate
Time frame: 2.7years (median follow-up)
cardiovascular events (ie, cardiac death, nonfatal re-infarction, re-hospitalization because of cardiac disease, revascularization)
Time frame: 2.7years (median follow-up)
reperfusion injury (ie, malignant ventricular arrhythmia during reperfusion periods, re-elevation of ST-segment, worsening of chest pain)
Time frame: 24hrs
the association of SNPs of ANP-related genes with response to ANP treatment
Time frame: 2.7years (median follow-up)
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 1 Nov 2007.
- Background: PubMed 14745142Minamino T, Jiyoong K, Asakura M, Shintani Y, Asanuma H, Kitakaze M; J-WIND Investigators. Rationale and design of a large-scale trial using nicorandil as an adjunct to percutaneous coronary intervention for ST-segment elevation acute myocardial infarction: Japan-Working groups of acute myocardial infarction for the reduction of Necrotic Damage by a K-ATP channel opener (J-WIND-KATP). Circ J. 2004 Feb;68(2):101-6. doi: 10.1253/circj.68.101.
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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.
Masafumi Kitakaze, MD, PhD study chair
National Cerebral and Cardiovascular Center, Japan
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing ANP(hANP) in people with Acute Myocardial Infarction, run by National Cerebral and Cardiovascular Center, Japan at 1 site in Japan.
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 6 inclusion and 8 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 1 Nov 2007. 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 Japan. 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. Some participants in this study may receive a placebo. 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?
estimated infarct size (time frame: 72hrs). The study lists 2 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 NCT00212056, which also lists 1 linked publication.
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 1 Nov 2007.