E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
contrast-induced nephropathy, acute renal failure |
Kontrastmittelnephropathie, akutes Nierenversagen |
|
E.1.1.1 | Medical condition in easily understood language |
renal failure after contrast agent administration |
Nierenversagen nach Kontrastmittelgabe |
|
E.1.1.2 | Therapeutic area | Not possible to specify |
MedDRA Classification |
E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
The intention of this trial is to investigate, if a short-term calorie restriction before contrast agent administration can prevent contrast induced nephropathy. |
Es soll im Sinne eines „proof of concept“ untersucht werden, ob eine kurzfristige Kalorienreduktion vor Kontrastmittelexposition die Entwicklung einer Kontrastmittelnephropathie günstig beeinflusst. |
|
E.2.2 | Secondary objectives of the trial |
Analysis of the increase of serum creatinine 24h after the onset of coronary intervention (contrast agent exposition); Neutrophil gelatinase-associated lipocalin (NGAL in µg/l) in urine 24h after the onset of coronary intervention (contrast agent exposition); Cystatin C in plasma (mg/l) 24h after the onset of coronary intervention (contrast agent exposition) |
Anstieg des Serumkreatinins in mg/dl 24 h nach Beginn der Koronarintervention;
Neutrophilen-Gelatinase assoziiertes Lipocalin (NGAL in µg/l) im Urin 24h nach Beginn der Koronarintervention (Kontrastmittelexposition);
Cystatin C im Plasma (mg/l) 24 h nach nach Beginn der Koronarintervention (Kontrastmittelexposition) |
|
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. men and women 18 years of age or older
2. caucasian origin
3. scheduled coronary angiography
4. indication for coronary angiography is determined by the referring physician
5. Patient and/or legal guardian must be willing and able to give written
informed consent
6. at least one of the following risk factors:
•serumkreatinine > 1,1 mg/dl in male patients or serumkreatinin > 0,9 mg/dl in
female patients
•Diabetes mellitus
•peripher arteriovascular disease
•heartfailure with NYHA 3-4 or ejection fraction ≤ 50%
•age over 70 years |
1. Männer und Frauen über 18 Jahre;
2. Kaukasische Abstammung;
3. elektive Koronarangiographie;
4. die Indikationsstellung zur Koronarangiographie erfolgt durch die betreuenden
zuweisenden Ärzte oder durch die Kliniken für Innere Medizin der Uniklinik
Köln;
5. Schriftliches Einverständnis bei vorliegender Geschäftsfähigkeit;
6. Mindestens einer der folgenden Risikofaktoren (nach Aktenlage):
•Serumkreatinin > 1,1 mg/dl bei Männern oder Serumkreatinin > 0,9 mg/dl bei
Frauen
•Diabetes mellitus
•pAVK
•Herzinsuffizienz mit NYHA 3-4 oder EF ≤ 50%
•Alter über 70 Jahre |
|
E.4 | Principal exclusion criteria |
1. End-stage renal disease (patient on dialysis);
2. Indwelling kidney transplant;
3. Malnutrition (BMI < 18,5 kg/m2);
4. Body weight < 46 kg in male, < 51 kg in female;
5. BMI > 35 kg/m2 or body weight > 120 kg;
6. diet within the previous 4 weeks;
7. Inappetence ;
8. Weight loss > 1 kg within the previous 2 weeks, if not explained by use of
diuretics;
09. Consuming underlying disease;
10. Uncontrolled local or systemic infection;
11. Contraindication for enteral nutrition;
12. Known allergy against or incompatibility with ingredients of the employed
formula-diet;
13. Pregnancy or breast feeding;
14. Participation in other interventional clinical trials;
15. Missing safe method of contraception or missing occurence of menopause
(in female);
16. Professional or private relationship between subject and the investigators
or dependence on the investigators;
17. Placement in an institution based on official orders. |
1. terminale Niereninsuffizienz (Dialysepflichtigkeit);
2. Zustand nach Nierentransplantation;
3. Unterernährung (BMI < 18,5 kg/m2);
4. Körpergewicht:< 46 kg bei Männern, < 51 kg bei Frauen;
5. BMI > 35 kg/m2 oder Körpergewicht > 120 kg;
6. kalorienreduzierte Diät innerhalb der vorangegangenen 4 Wochen;
7. Inappetenz;
8. Gewichtsverlust > 1 kg in den letzten 2 Wochen, sofern nicht durch
Diuretika erklärt;
9. konsumierende Grunderkrankung;
10. unkontrollierter lokaler oder systemischer Infekt;
11. Kontraindikation für eine enterale Ernährung;
12. Bekannte Allergie oder Unverträglichkeit gegen Inhaltsstoffe der
eingesetzten Formula-Diät;
13. Schwangerschaft oder Stillzeit;
14. Teilnahme an anderen interventionellen Prüfungen;
15. Fehlende sichere Empfängnisverhütungsmaßnahmen oder fehlender Eintritt
der Menopause (bei Frauen);
16. Personen, die in einem Abhängigkeits- / Arbeitsverhältnis zu den Prüfern
stehen;
17. Unterbringung in einer Anstalt aufgrund gerichtlicher oder behördlicher
Anordnung |
|
E.5 End points |
E.5.1 | Primary end point(s) |
Analysis of the increase of serum creatinine 48h after the onset of coronary intervention (contrast agent exposition). |
Anstieg des Serumkreatinins in mg/dl 48 h nach Beginn der Koronarintervention (Kontrastmittelexposition). |
|
E.5.1.1 | Timepoint(s) of evaluation of this end point |
48 hours after intervention |
48 Stunden nach Intervention |
|
E.5.2 | Secondary end point(s) |
Analysis of the increase of serum creatinine 24h after the onset of coronary intervention (contrast agent exposition); Neutrophil gelatinase-associated lipocalin (NGAL in µg/l) in urine 24h after the onset of coronary intervention (contrast agent exposition); Cystatin C in plasma (mg/l) 24h after the onset of coronary intervention (contrast agent exposition) |
Anstieg des Serumkreatinins in mg/dl 24 h nach Beginn der Koronarintervention;
Neutrophilen-Gelatinase assoziiertes Lipocalin (NGAL in µg/l) im Urin 24h nach Beginn der Koronarintervention (Kontrastmittelexposition);
Cystatin C im Plasma (mg/l) 24 h nach nach Beginn der Koronarintervention (Kontrastmittelexposition) |
|
E.5.2.1 | Timepoint(s) of evaluation of this end point |
24 hours after intervention |
24 Stunden nach Intervention |
|
E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | Yes |
E.6.3 | Therapy | No |
E.6.4 | Safety | No |
E.6.5 | Efficacy | No |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | Yes |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | Yes |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | Yes |
E.8.2.3.1 | Comparator description |
Keine Kalorienreduktion. |
No calorie restriction. |
|
E.8.2.4 | Number of treatment arms in the trial | 1 |
E.8.3 |
The trial involves single site in the Member State concerned
| Yes |
E.8.4 | The trial involves multiple sites in the Member State concerned | No |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
|
|
E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 0 |
E.8.9.1 | In the Member State concerned months | 12 |
E.8.9.1 | In the Member State concerned days | 0 |