Microalbuminuria as a Cardiovascular Risk Factor (PRECISED Substudy)

NCT ID: NCT02409511

Last Updated: 2017-07-25

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

75 participants

Study Classification

OBSERVATIONAL

Study Start Date

2016-01-31

Study Completion Date

2018-04-30

Brief Summary

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Microalbuminuria (MA) is an independent cardiovascular risk factor in diabetic and non-diabetic subjects.

However, in the setting of type 2 diabetes, microalbuminuria could be a marker of either early diabetic nephropathy or diffuse endothelial dysfunction. At present, there are no biomarkers that permit us to discriminate between these two conditions.

Detailed Description

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A hypothesis free approach by using proteomic/metabolomic analyses in the urine samples of selected populations seems an appropriate approach by which to explore this issue. In addition, a driven hypothesis in the same groups of patients based on a sensitive marker of kidney injury also seems appropriate.

Urinary levels of KIM-1(Kidney Injury Molecule-1 ) have been found elevated in experimental diabetic nephropathy even before that MA . In addition, urinary levels of KIM-1 were found significantly elevated in type 1 diabetic patients with MA, in comparison with diabetics with normoalbuminuria and non-diabetic healthy controls. Moreover, low urinary KIM-1 levels at baseline were associated with the regression of MA during a follow-up of 2 years . Therefore, it could be hypothesized that the presence of MA + KIM-1 in urine samples would indicate renal injury rather than endothelial dysfunction.

Conditions

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Microalbuminuria Endothelial Dysfunction Diabetic Nephropathy Diabetic Retinopathy

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

PROSPECTIVE

Study Groups

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Type 1 diabetic, retinopathy, non cardiovascular disease

Type 1 diabetic patients with microalbuminuria, diabetic retinopathy and without cardiovascular disease

non intervention

Intervention Type OTHER

Non-diabetic, hipertension

Non-diabetic patients with hypertension and microalbuminuria

non intervention

Intervention Type OTHER

Type 2 diabetic, non diabetic retinopathy

Type 2 diabetic patients without diabetic retinopathy and microalbuminuria

non intervention

Intervention Type OTHER

Type 2 diabetic with diabetic retinopathy

Type 2 diabetic patients with diabetic retinopathy and microalbuminuria

non intervention

Intervention Type OTHER

Type 2 diabetic, with proven nephropathy

Type 2 diabetic patients with biopsy proven diabetic nephropathy.

non intervention

Intervention Type OTHER

Interventions

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non intervention

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Adult patients with diabetes mellitus type 2 with microalbuminuria with and without retinopathy.

Control groups: diabetes mellitus type 1 with microalbuminuria and retinopathy hypertensive patients with microalbuminuria and diabetic patients with a renal biopsy

Exclusion Criteria

* Patients without microalbuminuria or patients with macroalbuminuria
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Hospital Universitari Vall d'Hebron Research Institute

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Hospital Universitari Vall d'Hebron

Barcelona, , Spain

Site Status RECRUITING

Countries

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Spain

Central Contacts

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David Garcia-Dorado Garcia, PhD MD

Role: CONTACT

34 93 489 40 38

Facility Contacts

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David Garcia-Dorado Garcia, PhD MD

Role: primary

34 93 489 4038

References

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Han WK, Bailly V, Abichandani R, Thadhani R, Bonventre JV. Kidney Injury Molecule-1 (KIM-1): a novel biomarker for human renal proximal tubule injury. Kidney Int. 2002 Jul;62(1):237-44. doi: 10.1046/j.1523-1755.2002.00433.x.

Reference Type BACKGROUND
PMID: 12081583 (View on PubMed)

Huo W, Zhang K, Nie Z, Li Q, Jin F. Kidney injury molecule-1 (KIM-1): a novel kidney-specific injury molecule playing potential double-edged functions in kidney injury. Transplant Rev (Orlando). 2010 Jul;24(3):143-6. doi: 10.1016/j.trre.2010.02.002. Epub 2010 May 6.

Reference Type BACKGROUND
PMID: 20447817 (View on PubMed)

Alter ML, Kretschmer A, Von Websky K, Tsuprykov O, Reichetzeder C, Simon A, Stasch JP, Hocher B. Early urinary and plasma biomarkers for experimental diabetic nephropathy. Clin Lab. 2012;58(7-8):659-71.

Reference Type BACKGROUND
PMID: 22997966 (View on PubMed)

Vaidya VS, Niewczas MA, Ficociello LH, Johnson AC, Collings FB, Warram JH, Krolewski AS, Bonventre JV. Regression of microalbuminuria in type 1 diabetes is associated with lower levels of urinary tubular injury biomarkers, kidney injury molecule-1, and N-acetyl-beta-D-glucosaminidase. Kidney Int. 2011 Feb;79(4):464-70. doi: 10.1038/ki.2010.404. Epub 2010 Oct 27.

Reference Type BACKGROUND
PMID: 20980978 (View on PubMed)

Other Identifiers

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PRECISED Substudy

Identifier Type: -

Identifier Source: org_study_id

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