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van CCT (UK)

van CCT (UK)

The evaluation of renal damage caused by iodinated contrast media used to enhance images in computer tomography scanning by assessing multiple serum and urinary parameters.

- candidate number4168
- NTR NumberNTR1473
- ISRCTNISRCTN wordt niet meer aangevraagd
- Date ISRCTN created
- date ISRCTN requested
- Date Registered NTR3-okt-2008
- Secondary IDsM08-056 METC Noord-Holland
- Public TitleThe evaluation of renal damage caused by iodinated contrast media used to enhance images in computer tomography scanning by assessing multiple serum and urinary parameters.
- Scientific TitleContrast Induced Nephropathy Evaluation using Multiple immunoAssays (CINEMA study)
- hypothesis1. Pre- and post-hydration using a sodium bicarbonate infusion scheme is an effective method to prevent CIN from occurring.
2. The current protocol is efficient in identifying high risk patients.
3. Microalbuminuria and microglobulinuria can provide sensitive and specific information on microscopic renal damage caused by ICM.
4. The course of microscopic renal damage caused by ICM on glomerular and tubular level can be evaluated using microalbuminuria and microglobulinuria.
5. There is a correlation between the amount of ICM per kilogram body weight and the incidence of CIN.
- Healt Condition(s) or Problem(s) studiedKidney fuction, Iodinated contrast media (ICM), Nephropathy
- Inclusion criteria1. All above 18 years of age and not admitted to the hospital at the time of informed consent.
2. Patients scheduled for an ICM enhanced CT scan.
- Exclusion criteria1. Haemodialysis
- mec approval receivedno
- multicenter trialno
- randomisedno
- group[default]
- Type[default]
- Studytypeintervention
- planned startdate 1-dec-2008
- planned closingdate1-jun-2009
- Target number of participants1068
- InterventionsAdditional sampling of blood and urine in out-hospital patients within one week before ICM administration and within 2-4 days after ICM administration
- Primary outcomeIncidence of CIN
- Secondary outcome- Microalbuminuria
- Microglobulinuria
- TimepointsAssessment of renal funtion 0-7 days before ICM administration and 2-4 days after ICM administration.
Total number of patients to be included in appr. 3-6 months.
- Trial web siteN/A
- statusplanned
- Sponsor/Initiator Medisch Centrum Alkmaar
- Funding
(Source(s) of Monetary or Material Support)
Medical Centre Alkmaar, Hospital Pharmacy
- PublicationsThe results of the CINEMA study will be published in a peer-reviewed journal
- Brief summaryBrief summary CINEMA study:

Iodinated contrast media (ICM) are administered in a large percentage of Computer Tomography (CT) scans to evaluate enhancement of normal and pathological structures. The ICM are diagnostic drugs which can cause nephropathy. The incidence of this contrast induced nephropathy (CIN) in high risk patients reported thus far in scientific papers is up to 50 percent. In the general population the incidence reported is 3 to 4 percent. Contrast induced nephropathy accounts for up to 12 percent of all cases of hospital acquired acute renal failure.
Acute renal failure is associated with a high mortality rate, a prolonged hospitalization and an impaired drug excretion.
In many hospitals a protocol on contrast media safety is issued to identify high risk patients. Preventive measures are taken in high risk patients. These include hydration and stopping nephrotoxic medication if possible. The incidence in non-hospitalized patients despite preventive measures is not well known. This study will estimate the incidence of CIN in this population.
The definition of CIN is an increase of serum creatinine of at least 44 ƒÝmol/l or a relative increase of at least 25% from baseline within 3 days after intravenous contrast administration without another etiology to explain the increase. Renal function is best estimated by the glomerular filtration rate (GFR). The GFR can not be measured directly. It is estimated using the 4-point Modified Diet in Renal Disease (MDRD) formula, which take ages, sex, ethnicity and serum creatinine into account. Serum creatinine is subject to variation in production and secretion, thus making GFR estimation inaccurate. In this study the possible correlation between CIN, microalbuminuria and microglobulinuria will be evaluated.
Adding more sensitive biomarkers microalbuminuria and microglobulinuria to serum creatinine can provide information on the exact mechanism of renal damage caused by ICM and possible prophylactic measures.
- Main changes (audit trail)
- RECORD3-okt-2008 - 14-okt-2008

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