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The Significance of Glucose Intolerance in the Pathogenesis of Idiopathic Axonal Polyneuropathy

NCT ID: NCT00228345

Last Updated: 2013-09-05

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

TERMINATED

Clinical Phase

PHASE1

Total Enrollment

40 participants

Study Classification

INTERVENTIONAL

Study Start Date

2004-01-31

Study Completion Date

2005-01-31

Brief Summary

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The purpose of this study is to determine whether impaired glucose handling (abnormality in the way the body processes blood sugar) can cause a neuropathy (damage to the nerves).

Detailed Description

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Neuropathy of undetermined etiology is a common disease that usually starts at the sixth to seventh decades. It can cause significant pain and disability. Previous studies have demonstrated increased prevalence of abnormal glucose handling, when these patients were tested with oral glucose tolerance test (OGTT). On the other hand, many of the neuropathy patients suffer from pain and depression and obesity; and abnormal OGTT in these patients may be the result of these factors. We assume that if abnormal handling of blood sugar is the cause of neuropathy, these patients may have evidence of damage to other organs (like eyes and kidneys) as a result of abnormal blood sugar. In a pilot study, we will determine the incidence of subtle damage to kidneys, eyes and also look for other factors associated with abnormal glucose handling in patients with neuropathy and abnormal OGTT and compare it to age matched controls with normal OGTT.

Conditions

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Idiopathic Axonal Polyneuropathy Abnormal OGTT

Keywords

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Idiopathic Axonal Polyneuropathy abnormal OGTT

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Interventions

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Optical coherence tomography,Fluorescein angiography

Intervention Type PROCEDURE

Eligibility Criteria

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Exclusion Criteria

Patients with abnormal OGTT in the diabetic range will not be included.
Minimum Eligible Age

50 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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University of Chicago

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Kourosh Rezania, MD

Role: PRINCIPAL_INVESTIGATOR

University of Chicago

Locations

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University of Chicago

Chicago, Illinois, United States

Site Status

Countries

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United States

References

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Dive D, Lievens I, Moonen G, Wang FC. [Diabetic peripheral neuropathy]. Rev Med Liege. 2005 May-Jun;60(5-6):490-7. French.

Reference Type BACKGROUND
PMID: 16035316 (View on PubMed)

1. McLeod, J.G., et al., Chronic polyneuropathy of undetermined cause. J Neurol Neurosurg Psychiatry, 1984. 47(5): p. 530-5. 2. Dyck, P.J., K.F. Oviatt, and E.H. Lambert, Intensive evaluation of referred unclassified neuropathies yields improved diagnosis. Ann Neurol, 1981. 10(3): p. 222-6. 3. Wolfe, G.I., et al., Chronic cryptogenic sensory polyneuropathy: clinical and laboratory characteristics. Arch Neurol, 1999. 56(5): p. 540-7. 4. Notermans, N.C., et al., Chronic idiopathic polyneuropathy presenting in middle or old age: a clinical and electrophysiological study of 75 patients. J Neurol Neurosurg Psychiatry, 1993. 56(10): p. 1066-71. 5. Beghi, E. and M.L. Monticelli, Chronic symmetric symptomatic polyneuropathy in the elderly: a field screening investigation of risk factors for polyneuropathy in two Italian communities. Italian General Practitioner Study Group (IGPST). J Clin Epidemiol, 1998. 51(8): p. 697-702. 6. Notermans, N.C. and J.H. Wokke, Chronic idiopathic axonal polyneuropathy. Muscle Nerve, 1996. 19(12): p. 1637-8. 7. Dyck, P.J., Cryptogenic sensory polyneuropathy. Arch Neurol, 1999. 56(5): p. 519-20. 8. Wolfe, G.I. and R.J. Barohn, Cryptogenic sensory and sensorimotor polyneuropathies. Semin Neurol, 1998. 18(1): p. 105-11. 9. Monticelli, M.L. and E. Beghi, Chronic symmetric polyneuropathy in the elderly. A field screening investigation in two regions of Italy: background and methods of assessment. The Italian General Practitioner Study Group (IGPSG). Neuroepidemiology, 1993. 12(2): p. 96-105. 10. Beghi, E. and M.L. Monticelli, Diabetic polyneuropathy in the elderly. Prevalence and risk factors in two geographic areas of Italy. Italian General Practitioner Study Group (IGPSG). Acta Neurol Scand, 1997. 96(4): p. 223-8.

Reference Type BACKGROUND

Other Identifiers

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12896A

Identifier Type: -

Identifier Source: org_study_id