Hospitalization & Mortality in Patients With Iron Deficiency CKD and HF Treated With i.v. Iron.
18 mars 2015 uppdaterad av: Jorge Eduardo Toblli, Hospital Aleman
Hospitalization and Mortality in Iron Deficient, Anemic Patients With Chronic Kidney (CKD) and Heart Failure Receiving Intravenous Iron Therapy: A Five Year Follow-up From a Pilot Study
Iron deficiency, independent of anemia, appears to increase morbidity and mortality as well as impairing health-related quality of life in chronic heart failure (CHF), and these effects are compounded when patients also experience chronic kidney disease (CKD).
This study was designed to determine the effects of intravenous iron treatment on morbidity and mortality following an initial 6-month period and a longer period of up to 5 years.
Studieöversikt
Status
Avslutad
Betingelser
Intervention / Behandling
Detaljerad beskrivning
Effect of i.v. iron sucrose on iron parameters and anemia
- During the original 6 month trial, patients in the i.v. iron group received 1000mg iron per the protocol. No patients required iron in the subsequent 6 months.
- During the subsequent follow-up, patients required a mean of between 165 and 274 mg iron per year (range: 0 to 600 mg per patient per year).
- Post the initial 1000mg iron, 19 out of 20 patients required at least a second dose of i.v. iron. Most patients required only one or two doses per year.
- The average time to requiring a second iron administration was 14.5 ± 2.7 months (range: 14 months, 23 months).
- Correction of iron deficiency (ID) resulted in statistically significant increases in transferrin saturation (TSAT) throughout the study (p < 0.01 untreated group). At all measured points, TSAT values in the treated group were at least on target (> 20% increase).
- For serum ferritin, significant differences were observed at 6 months and 1 year however this difference was not observed at 5 years post baseline where serum ferritin values were 173ng/mL and 167ng/mL for the control and IV iron groups, respectively.
- Statistically significant improvements versus the untreated group were observed for both hemoglobin (Hb) and creatinine clearance (CrCl) as well as for left ventricular ejection fraction (LVEF) and New York Heart Association (NYHA) functional class at each year.
Effect of i.v. iron sucrose on hospitalizations and mortality
- There were numerically fewer hospitalization reported at 6 months compared to those among untreated patients (0% and 25%, respectively), although the difference versus untreated patients was not statistically significant (p=ns).
- At 1 year after commencing the original study, the number of patients requiring a hospitalization (for any reason) was 50% in the control group and 10% in the IV iron group (p<0.01).
- By 5 years follow-up these rates had increased to 85% in the control arm and 20% in the IV iron treated group (p<0.01).
- In relation to all-cause mortality, there were no deaths in either group after the first 6 months. The number of deaths due to any cause after year 1 had increased in both groups (20% in the untreated group, 5% in the treated group; p=ns).
- At 5 years follow-up, 11 (55%) of patients in the control arm were deceased, compared with 4 (20%) in the IV iron treated group (p < 0.05).
Studietyp
Interventionell
Inskrivning (Faktisk)
40
Fas
- Fas 4
Kontakter och platser
Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.
Studieorter
-
-
Caba
-
Buenos Aires, Caba, Argentina, 1118
- Hospital Aleman
-
-
Deltagandekriterier
Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.
Urvalskriterier
Åldrar som är berättigade till studier
18 år och äldre (Vuxen, Äldre vuxen)
Tar emot friska volontärer
Nej
Kön som är behöriga för studier
Allt
Beskrivning
Inclusion:
- LV ejection fraction (EF) ≤ 35%
- New York Heart Association (NYHA) functional class II to IV
- Anemia with an iron deficit defined by Hb 12.5 g/dl for men and 11.5 g/dl for women, and some of the following: serum ferritin 100 ng/ml and/or with transferrin saturation (TSAT) 20%
- Creatinine clearance 90 ml/min.
Exclusion:
- Hemodialysis therapy
- Anemia not due to iron deficiency
- NYHA functional class I
- History of allergy to the iron supplements
- Acute bacterial infections, parasitism known in the 4 previous weeks
- Neoplasm
- Chronic digestive diseases
- Hypothyroidism
- Congenital cardiopathies
- Receiving iron supplements in the 4 previous weeks
- Receiving rhEPO in the 4 previous weeks
- History of hospitalization during the 4 weeks before enrollment into the study.
Studieplan
Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.
Hur är studien utformad?
Designdetaljer
- Primärt syfte: Behandling
- Tilldelning: Randomiserad
- Interventionsmodell: Parallellt uppdrag
- Maskning: Dubbel
Vapen och interventioner
Deltagargrupp / Arm |
Intervention / Behandling |
|---|---|
|
Övrig: Group A
Placebo
|
At each visit, the patient lay on a stretcher and underwent a vein cannulation in the forearm with a commercial canula no.
16, which was connected to IV tubing that was connected to a bag of isotonic saline solution 0.9% (200 ml).
Each infusion was administered throughout 60 min.
This scheme was followed for 5 consecutive weeks.
Andra namn:
|
|
Övrig: Group B
Iron Sucrose
|
At each visit, the patient lay on a stretcher and underwent a vein cannulation in the forearm with a commercial canula no.
16, which was connected to IV tubing that was connected to a bag contained 200 ml isotonic saline solution 0.9% plus 200 mg of Iron Sucrose.
Each infusion was administered throughout 60 min.
This scheme was followed for 5 consecutive weeks.
Andra namn:
|
Vad mäter studien?
Primära resultatmått
Resultatmått |
Tidsram |
|---|---|
|
dödlighet
Tidsram: 5 år
|
5 år
|
Sekundära resultatmått
Resultatmått |
Tidsram |
|---|---|
|
Hospitalization
Tidsram: 5 years
|
5 years
|
Samarbetspartners och utredare
Det är här du hittar personer och organisationer som är involverade i denna studie.
Sponsor
Utredare
- Huvudutredare: Jorge E Toblli, MD; PhD, Hospital Aleman
Publikationer och användbara länkar
Den som ansvarar för att lägga in information om studien tillhandahåller frivilligt dessa publikationer. Dessa kan handla om allt som har med studien att göra.
Studieavstämningsdatum
Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.
Studera stora datum
Studiestart
1 mars 2006
Primärt slutförande (Faktisk)
1 februari 2012
Avslutad studie (Faktisk)
1 februari 2012
Studieregistreringsdatum
Först inskickad
15 mars 2015
Först inskickad som uppfyllde QC-kriterierna
18 mars 2015
Första postat (Uppskatta)
19 mars 2015
Uppdateringar av studier
Senaste uppdatering publicerad (Uppskatta)
19 mars 2015
Senaste inskickade uppdateringen som uppfyllde QC-kriterierna
18 mars 2015
Senast verifierad
1 mars 2015
Mer information
Termer relaterade till denna studie
Nyckelord
Ytterligare relevanta MeSH-villkor
Andra studie-ID-nummer
- 5427-06/07
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