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Comparison of GFR measurement and GFR estimation with 125I-labelled iothalamate, 51Cr-EDTA, Gd DTPA, and two formulas based on cystatin C and creatinine.

Comparison of GFR measurement and GFR estimation with 125I-labelled iothalamate, 51Cr-EDTA, Gd DTPA, and two formulas based on cystatin C and creatinine. - Assesment of kidney function in various causes of renal disease

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
NL-OMON
Registry ID
NL-OMON31536
Enrollment
60
Registered
2008-07-01
Start date
2008-05-01
Completion date
Unknown
Last updated
2024-05-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

kidney disease renal failure

Interventions

None listed

Sponsors

Academisch Medisch Centrum
Lead Sponsor

Eligibility

Age
18 Years to 99 Years

Inclusion criteria

Inclusion criteria: - > 18 years -Patients have to belong to one of the following categories: those with Fabry disease, those with HIV, those with a status after renal transplantation or those that are willing to donate a kidney. -Patients (from the outpatient clinic of metabolic diseases and infectious diseases) in whom renal function was measured with 125I-labeled iothalamate/131I-labeled hippuran GFR in the previous year (i.e patients with Fabry disease or with HIV). -Stable renal function as estimated by a stable serum creatinine during the previous year.

Exclusion criteria

Exclusion criteria: -Female patients who are pregnant or unwilling to use adequate contraception during the study. -A known allergy to either 51Cr-EDTA or gadolineum DTPA (Magnevist).

Design outcomes

Primary

MeasureTime frame
The accuracies of GFR determination using 51Cr-EDTA, Gd-DTPA, cystatin C (using the Hoek-formula) and creatinine (using the MDRD - and Cockcroft and Gault formula) will be compared to continuous 125I-labelled iothalamate/ 131I-labelled hippuran infusion as gold standard.

Secondary

MeasureTime frame
1. Gd-DTPA, cystatin C (using the Hoek-formula) and creatinine (using the MDRD - and Cockcroft and Gault formula) will be compared to 51Cr-EDTA. 2. Subanalysis of these parameters in the four different patients groups.

Countries

Netherlands

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)