- ICH GCP
- US Clinical Trials Registry
- Klinisk utprøving NCT01095939
Post-preeclampsia Renal Project: Study of Nephroprotection in Women Having Suffered Preeclampsia (RPPEC)
A Randomized, Double-blind, Placebo-controlled Clinical Trial to Evaluate the Efficacy and Safety of Benazepril (ATC N° C09AA07) in the Treatment of Persistent Renal Dysfunction in Pre-eclamptic Women
Studieoversikt
Status
Forhold
Intervensjon / Behandling
Detaljert beskrivelse
Several epidemiological studies suggest that the risk of death from cardiovascular causes among women with preeclampsia may be increased, and that preeclampsia contrary to what has been long thought, is not cured with delivery. Preeclampsia has long been considered a 2-stage disease, stage one corresponding to an impaired placental perfusion resulting from abnormal spiral artery remodeling, and stage two corresponding to the maternal manifestations of disease, characterized by hypertension and proteinuria. However, preeclampsia might include an additional, 3rd stage, that of the post-partum period (Gammill & Roberts, 2007) This phase deserves to be investigated. In particular, it is crucial to determine whether the changes that occur in renal hemodynamics during preeclampsia are reversible after more than 6 weeks, and whether PEC women are salt-sensitive after delivery.
The link between chronic kidney disease and cardiovascular mortality is well established. An independent, graded association exists between a reduced GFR and the risk of death, cardiovascular events, and hospitalization (Go et al, 2004). Besides, salt-sensitivity is associated with an increased cardiovascular and renal risk (Franco & Oparil, 2006). The Renal Post PEC study aims at establishing if the renal dysfunctions that occur in PEC women can be reversed by the administration of inhibitors of the renin-angiotensin system that are known to improve cardiovascular and renal risk profiles in hypertensive patients. By virtue of their potent renal vasodilatory properties and favourable remodelling of the GBM, ACE inhibitors may improve salt-sensitivity, endothelial function, renal plasma flow and GFR, and general renal prognosis in women who experienced from preeclampsia.
Studietype
Registrering (Faktiske)
Fase
- Fase 3
Kontakter og plasseringer
Studiesteder
-
-
-
Geneva, Sveits
- Geneva University Hospitals
-
Lausanne, Sveits
- Centre Hospitalier Universitaire Vaudois
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-
Deltakelseskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
Tar imot friske frivillige
Kjønn som er kvalifisert for studier
Beskrivelse
Pre-selection Criteria:
- Normotensive women with no proteinuria before the 20th week of gestation AND
- Women with hypertension (BP ≥140/90 mm Hg) and proteinuria (≥ 0.3 g /24h or 2++ dipstick) after the 20th week of gestation
Inclusion Criteria:
- Clearance of creatinine ≤ 80 ml/min (Gault et Cockcroft)
- Serum creatinine ≥ 80 µmol/L
- Microalbuminuria comprised between 30 and 300 mg/d and/or a urinary spot with microalbuminuria/creatinine ratio ≥ 3.5 and/or macroalbuminuria (24h urinary albumin excretion ≥ 0.500 mg)
- BP ≥ 140/90 mm Hg OR ongoing antihypertensive treatment
- CRP ≥ 4 mg/dL
Exclusion Criteria:
- Those unlikely to co-operate in the study
- Those who refuse to use appropriate contraceptive measures during the treatment period (intrauterine device, oral contraceptives, condom, diaphragm)
- Those with a history of pre-term delivery
- Those with known history of severe allergic reaction
- Those who consume drugs
- Aged < 18 years old
Studieplan
Hvordan er studiet utformet?
Designdetaljer
- Primært formål: Behandling
- Tildeling: Randomisert
- Intervensjonsmodell: Parallell tildeling
- Masking: Firemannsrom
Våpen og intervensjoner
Deltakergruppe / Arm |
Intervensjon / Behandling |
|---|---|
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Placebo komparator: Kontrollarm
|
Tablets; oral administration; once a day for 6 months.
After this period of 6 months blinded treatment, the treatment will be stopped for 2 weeks.
At the end of this washout period, a new renal evaluation is done.
At that time, opened label treatment will be proposed to the women who still show renal alterations after a 2 weeks washout period
|
|
Eksperimentell: Benazepril
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Tablets (10 or 20 mg); oral administration; once a day for 6 months.
After this period of 6 months blinded treatment, the treatment will be stopped for 2 weeks.
At the end of this washout period, a new renal evaluation is done.
At that time, opened label treatment will be proposed to the women who still show renal alterations after a 2 weeks washout period
Andre navn:
|
Hva måler studien?
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
microalbuminuria excretion rate (spot or 24h)
Tidsramme: Baseline; 1 week + 24 weeks after treatment start
|
Baseline; 1 week + 24 weeks after treatment start
|
|
eGFR
Tidsramme: Baseline; 1 week + 24 weeks after treatment start
|
Baseline; 1 week + 24 weeks after treatment start
|
Sekundære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
|---|---|---|
|
Filtration fraction %
Tidsramme: Baseline; 1 week + 24 weeks after treatment start
|
Baseline; 1 week + 24 weeks after treatment start
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|
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24h Ambulatory Blood Pressure
Tidsramme: Baseline; 1 week and 24 weeks after treatment start
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Mean; diurnal; nocturnal
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Baseline; 1 week and 24 weeks after treatment start
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Effective Renal Plasma Flow
Tidsramme: Baseline; 1 week and 48 weeks after treatment start
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Baseline; 1 week and 48 weeks after treatment start
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Adverse Events
Tidsramme: From signature of informed consent until last follow-up visit (36 months after treatment start)
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From signature of informed consent until last follow-up visit (36 months after treatment start)
|
Samarbeidspartnere og etterforskere
Sponsor
Etterforskere
- Hovedetterforsker: Antoinette Pechère, University Hospital, Geneva
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 (Faktiske)
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Ytterligere relevante MeSH-vilkår
Andre studie-ID-numre
- 09-136
Legemiddel- og utstyrsinformasjon, studiedokumenter
Studerer et amerikansk FDA-regulert medikamentprodukt
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