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Chronic Kidney Disease: Determinants of Progression and Cardiovascular Risk (PROGREDIR)

5. januar 2018 opdateret af: Silvia Maria de Oliveira Titan, University of Sao Paulo

Chronic Kidney Disease: Determinants of Progression and Cardiovascular Risk. A Cohort Study in a Brazilian Population

Chronic kidney disease has become an important Public Health issue in most developed and developing countries, with increasing incidence and prevalence rates. The cost associated with chronic kidney disease patients is very high, derived from renal replacement therapy and the cost associated with the high cardiovascular risk of this population. Primary and secondary preventive measures are imperative. In this sense, the comprehension of mechanisms and biomarkers associated with CKD progression and mortality risk in this population is an important area of research. Cohort studies are important tools for testing risk factors and biomarkers. Currently, CKD cohorts, particularly of those not on dialysis, are few and restricted to North America and Europe.

The present study established a cohort of 454 CKD participants (not on dialysis) in Sao Paulo, Brazil, who will be followed for 7-10 years. Baseline data collection was wide, including medical history, diet (food frequency questionnaire), calcium score, echocardiography, pulse wave velocity, cardiac frequency variability, carotid intimal media thickness, retinography, and an extensive biobank. Follow-up is ongoing and made through annual telephone interviews including questions on death, hospitalizations, and need of renal replacement therapy (RRT). Vital status is investigated periodically by a hot-pursuit strategy.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Undersøgelsestype

Observationel

Tilmelding (Faktiske)

454

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

30 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Prøveudtagningsmetode

Ikke-sandsynlighedsprøve

Studiebefolkning

Patients attending the outpatient service of Hospital das Clínicas, São Paulo, a public university facility providing quaternary-level care for patients with chronic diseases, were invited to participate in this study. Initially, from the outpatient records, all patients aged

≥ 30 years and at least two measurements of creatinine (with a minimum interval of 3 months) ≥ 1.6 mg/dl for men and ≥ 1.4 mg/ dl for women were considered potential candidates. Patients attending oncology, psychiatry, human immunodeficiency virus/acquired immunodeficiency syndrome (HIV/AIDS), viral hepatitis and glomerulonephritis services were excluded. The remaining candidates were then contacted by phone and were invited to participate if they did not meet any exclusion criteria.

Beskrivelse

Inclusion Criteria:

  • Patients attending the outpatient service of Hospital das Clínicas, São Paulo, Brazil.
  • ≥ 30 years.
  • at least two measurements of creatinine (with a minimum interval of 3 months) ≥ 1.6 mg/dl for men and ≥ 1.4 mg/ dl for women.

Exclusion Criteria:

  • Patients attending oncology, psychiatry, human immunodeficiency virus/acquired immunodeficiency syndrome (HIV/AIDS), viral hepatitis and glomerulonephritis services were excluded.
  • hospitalization within the last six months;
  • acute myocardial infarction within the last six months;
  • autoimmune diseases;
  • current pregnancy;
  • psychiatric diseases;
  • ongoing chemotherapy or immunosuppressive therapy;
  • current renal replacement therapy;
  • HIV/AIDS infection;
  • hepatitis B or C;
  • any organ transplantation.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Observationsmodeller: Kohorte
  • Tidsperspektiver: Fremadrettet

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Overall Mortality
Tidsramme: 7 years
Mortality of any cause, confirmed by official death certificates obtained through several health offices (PRO-AIM, Fundação SEADE and National Mortality Registry).
7 years
Renal replacement therapy
Tidsramme: 7 years

Initiation of any modality of renal replacement therapy, even if not permanently.

Besides participant information, RRT will be ascertained through the city and state´s Registries (Sao Paulo State Registry of Dialysis and Transplantation, Sao Paulo City Registry of Dialysis and Transplantation).
7 years

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

University of Sao Paulo

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Generelle publikationer

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

1. marts 2012

Primær færdiggørelse (Faktiske)

15. december 2013

Studieafslutning (Faktiske)

15. december 2013

Datoer for studieregistrering

Først indsendt

20. december 2017

Først indsendt, der opfyldte QC-kriterier

5. januar 2018

Først opslået (Faktiske)

8. januar 2018

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

8. januar 2018

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

5. januar 2018

Sidst verificeret

1. januar 2018

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • 2011/17341-0

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

Ingen

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

Kliniske forsøg med Kroniske nyresygdomme

Kliniske forsøg med CKD-related outcomes

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Sponsorer og samarbejdspartnere

Medicinske tilstande

Narkotikainterventioner

CROs by country

CROs in Switzerland

Betingelser

Sjældne sygdomme

Narkotikainterventioner

Kosttilskud

Sponsor / samarbejdspartnere

Placeringer

Abonner