- ICH GCP
- US Clinical Trials Registry
- Klinisk utprøving NCT01450410
Nicotinic Acid Composition of HDL and Arterial Endothelium Function in Premature Coronary Heart Disease and High HDL (11MSP011)
Efecto Del ácido nicotínico Sobre la composición de Las lipoproteínas de Alta Densidad (HDL) y la función Del Endotelio Arterial en Los Pacientes Con cardiopatía isquémica Prematura y Concentraciones Elevadas de Colesterol-HDL
Patients with premature ischemic heart disease (PIHD) and elevated levels of HDL-C present an altered composition of high-density lipoproteins (HDL) which is associated with a loss of their anti-atherogenic effects and of their arterial endothelium function.
Objectives: To analyse if the treatment with nicotinic acid (NA)/Laropiprant can correct the alterations of the HDL composition and endothelial function in patients with PIHD and elevated HDL-C.
Methods: A total of 46 subjects with PIHD who are stable in the 3 months prior to the Study, who continue in treatment with statins and have elevated concentrations of HDL-C (HDL-C ≥2.0mmol/L in females and ≥1.8mmol/L in males) and an LDL-C <100mg/dL. This is a double-blind, randomised Study; after 6 weeks of lifestyle stabilisation, the subjects will be treated with NA or placebo for 16 weeks. At the start and end of treatment, HDL composition will be studied through density gradient preparative ultracentrifuge separation and FBLC (fast protein liquid chromatography) and through the changes in vasodilation induced by the endothelium through ultrasound. Primary endpoint: change in the apoA1 content associated to treatment. Secondary endpoints: variations in the change of the brachial artery diameter with reactive hyperaemia and changes in the content of other lipid and protein components of HDL including apoA2, paraoxonase, amyloid A and LCAT. The changes in HDL composition and endothelial function will be assessed with an analysis of variance with repeated measurements and a 2x2 design.
Studieoversikt
Status
Forhold
Intervensjon / Behandling
Studietype
Registrering (Faktiske)
Fase
- Fase 4
Kontakter og plasseringer
Studiesteder
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-
Barcelona
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L'Hospitalet de Llobregat, Barcelona, Spania, 08907
- Unitat Funcional de Risc Vascular. Servei Medicina Interna. Hospital Universitari de Bellvitge.
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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:
- Being male or female
- Age > 25 years
- Have an episode of ischemic heart disease before 55 years in men and in women 65 years
- Serum HDL-C above the 90th percentile of the Spanish population: >=2.0mmol/L in women and >=1.8mmol/L in men (Gomez-Gerique JA, et al. Med Clin (Barc.). 1999, 113: 730-735.)
- Stable treatment with any statin in the past 6 weeks: simvastatin, atorvastatin, rosuvastatin, pravastatin or lovastatin.
Exclusion Criteria:
- Uncontrolled hypercholesterolemia or hypertriglyceridemia, LDL-C >2.6mmol/L or triglycerides >2.24mmol/L
- Patients with an episode of ischemic heart disease in the last 3 months
- Patients suffering from acute or chronic inflammatory diseases in the last 3 months
- Treatment with fibrates or omega-3 fatty acids.
- Treatment with steroids or immunosuppressive drugs
- Patients with a contraindication to Tredaptive (Hypersensitivity to the active substances or any of the excipients, significant or unexplained hepatic dysfunction, active peptic ulcer, arterial bleeding).
- Patients treated with drugs that may interact with Tredaptive (Midazolam).
Studieplan
Hvordan er studiet utformet?
Designdetaljer
- Tildeling: Randomisert
- Intervensjonsmodell: Parallell tildeling
- Masking: Firemannsrom
Våpen og intervensjoner
Deltakergruppe / Arm |
Intervensjon / Behandling |
---|---|
Placebo komparator: Placebo
|
Placebo treatment will last for 12 weeks.
Andre navn:
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Aktiv komparator: Nicotinic Acid
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Nicotinic acid / laropiprant (Tredaptive 1000 mg/20 mg modified-release tablets).
Patients treated with nicotinic acid 1g/day receive one dose of one month and 2 g / day thereafter.
Nicotinic acid treatment will last for 12 weeks.
Andre navn:
|
Hva måler studien?
Primære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
---|---|---|
Apo A1 of HDL
Tidsramme: Baseline; 12 weeks
|
The amount of Apo A1 as a marker of HDL composition.
|
Baseline; 12 weeks
|
Samarbeidspartnere og etterforskere
Sponsor
Etterforskere
- Hovedetterforsker: Xavier Pintó, PhD, Hospital Universitari de Bellvitge
Studierekorddatoer
Studer hoveddatoer
Studiestart
Primær fullføring (Forventet)
Studiet fullført (Forventet)
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
Nøkkelord
Ytterligere relevante MeSH-vilkår
- Metabolske sykdommer
- Lipidmetabolismeforstyrrelser
- Dyslipidemier
- Fysiologiske effekter av legemidler
- Molekylære mekanismer for farmakologisk virkning
- Vasodilaterende midler
- Antimetabolitter
- Mikronæringsstoffer
- Hypolipidemiske midler
- Lipidregulerende midler
- Vitaminer
- Vitamin B kompleks
- Nikotinsyrer
- Niacinamid
- Niacin
Andre studie-ID-numre
- CompHDL2011
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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