- ICH GCP
- US Clinical Trials Registry
- Klinisk utprøving NCT00150826
QWISE - Study of Quinapril in Women With Chest Pain, Coronary Flow Reserve Limitations and Evidence of Myocardial Ischemia
A Double-Blind, Multicenter, Placebo Controlled Study of Quinapril in Women With Chest Pain, Coronary Flow Reserve Limitations and Evidence of Myocardial Ischemia in the Absence of Significant Epicardial Coronary Artery Disease.
INDICATION Microvascular angina. OBJECTIVES To investigate the effect of ACE (angiotensin converting enzyme) inhibition (quinapril) in improving coronary microvascular function.
PATIENT POPULATION Women who meet the National Heart, Lung and Blood Institute-sponsored WISE (Women Ischemia Syndrome Evaluation) study criteria of chest discomfort, coronary flow reserve limitations and evidence for myocardial ischemia in the absence of significant coronary artery stenosis.
STUDY DESIGN A prospective, randomized, placebo-controlled, comparative trial. TREATMENT Quinapril 80 mg/d versus placebo for four months. PRIMARY EFFICACY PARAMETER(S) Coronary flow reserve (CFR) at Week 16 adjusted for baseline CFR, treatment group assignment, site-specific variables, and site by treatment effects.
SECONDARY EFFICACY PARAMETERS Week 16 change in chest discomfort as measured by the Seattle Angina Questionnaire adjusting for baseline values, site, and site by treatment effects.
SAFETY PARAMETERS Hematology, blood chemistries, blood pressure and pulse, and frequency and occurrence of adverse events.
STATISTICAL RATIONALE AND ANALYSIS A statistical rationale for the number of patients in the study has been provided. Interim analyses are planned after 15 patients have been enrolled in each group.
ANTICIPATED TOTAL NUMBER OF PATIENTS 78 (39 per group). ANTICIPATED NUMBER OF PATIENTS AT EACH SITE Approximately 26
Studieoversikt
Status
Forhold
Intervensjon / Behandling
Detaljert beskrivelse
Studietype
Registrering (Faktiske)
Fase
- Fase 4
Kontakter og plasseringer
Studiesteder
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Florida
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Gainesville, Florida, Forente stater, 32610
- University of Florida
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Deltakelseskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
Tar imot friske frivillige
Kjønn som er kvalifisert for studier
Beskrivelse
Inclusion Criteria:
- Non pregnant women with chest discomfort 21 to 75 years of age from diverse racial/ethnic groups.
- Suspected ischemic heart disease (IHD) but no severe coronary stenosis (> 50% diameter reduction) on coronary angiography used to qualify for WISE.
- Coronary flow reserve limitation (<3.0 velocity).
Exclusion Criteria:
- Women who are breast-feeding or who are pregnant. Women of childbearing potential may be enrolled but must agree not to become pregnant during the course of the study and must practice a method of birth control considered reliable by the investigator. If established on hormonal contraceptives for more than 3 months, patients will be allowed to participate providing this therapy remains constant throughout the study. If a patient becomes pregnant or begins breast-feeding during the study, she must be withdrawn immediately.
- Acute ischemic syndrome defined as acute myocardial infarction (MI) (by enzyme or electrocardiogram (ECG) criteria) or unstable angina within 1 month of entry.
- Uncontrolled moderate hypertension: Sitting blood pressure >160/95mmHg with measurements recorded on at least 2 occasions (for blood pressure control, patients must first be stabilized, preferably with a diuretic, and kept on that dosing regimen throughout participation in the study).
- Severe heart failure defined as New York Heart Association (NYHA) Class III or IV on treatment.
- Coronary revascularization by either coronary artery bypass grafting (CABG) or percutaneous transluminal coronary angioplasty (PTCA) or Stent Placement.
- Conditions likely to influence outcomes independent of IHD: Severe lung, renal (creatinine >3.0) or hepatic disease, surgically uncorrected significant congenital or valvular heart disease and other disease likely to be fatal or require frequent hospitalization within the next six months.
- Adherence or retention reasons: Recent alcoholism or drug abuse, psychiatric illness including severe depression, dementia, active participation in any other research trial other than WISE, unwilling to complete follow-up evaluation including repeat testing.
- Hypersensitivity to any medications to be used in the study (e.g. angioedema to ACE-I).
- Documented obstructive hypertrophic cardiomyopathy.
- Aortic stenosis (valve area <1.5cm).
- LV dysfunction (ejection fraction <=35%).
- History of cocaine or amphetamine abuse.
- ACE-I or angiotension 1 (AT-1) receptor blocker use within 30 days or need for continued ACEI/AT-1RB use.
Studieplan
Hvordan er studiet utformet?
Designdetaljer
- Primært formål: Behandling
- Tildeling: Randomisert
- Intervensjonsmodell: Parallell tildeling
- Masking: Dobbelt
Våpen og intervensjoner
Deltakergruppe / Arm |
Intervensjon / Behandling |
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Aktiv komparator: Quinapril
This arm will receive quinapril which will be started at 40mg daily and titrated to 80mg daily by the end of the first week.
After treatment on the maximum tolerated dose for 16 weeks, patients will be reevaluated with coronary angiogram with coronary flow reserve measurements and assessment of angina using the Seattle Angina Questionnaire.
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Quinapril will be started at 40mg daily and titrated to 80mg daily for 16 weeks.
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Placebo komparator: Placebo
This arm will receive placebo for 16 weeks and will be reevaluated with coronary angiogram with coronary flow reserve measurements and assessment of angina using the Seattle Angina Questionnaire.
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Placebo will be given in a capsule form once daily for 16 weeks.
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Hva måler studien?
Primære resultatmål
Resultatmål |
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Adjusted coronary flow reserve at Week 16
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Sekundære resultatmål
Resultatmål |
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Chest pain as measured by a Seattle Angina Questionnaire adjusted for baseline values.
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Samarbeidspartnere og etterforskere
Sponsor
Samarbeidspartnere
Publikasjoner og nyttige lenker
Studierekorddatoer
Studer hoveddatoer
Studiestart
Primær fullføring (Faktiske)
Studiet fullført (Faktiske)
Datoer for studieregistrering
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Anslag)
Oppdateringer av studieposter
Sist oppdatering lagt ut (Anslag)
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Ytterligere relevante MeSH-vilkår
- Patologiske prosesser
- Kardiovaskulære sykdommer
- Vaskulære sykdommer
- Arteriosklerose
- Arterielle okklusive sykdommer
- Smerte
- Nevrologiske manifestasjoner
- Koronar sykdom
- Hjertesykdommer
- Koronararteriesykdom
- Myokardiskemi
- Iskemi
- Brystsmerter
- Molekylære mekanismer for farmakologisk virkning
- Antihypertensive midler
- Enzymhemmere
- Proteasehemmere
- Angiotensin-konverterende enzymhemmere
- Quinapril
Andre studie-ID-numre
- QWISE
- 5U01HL064924-04 (U.S. NIH-stipend/kontrakt)
Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .
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