Diazoxide-Mediated Insulin Suppression in Hyperinsulinemic Obese Men

NCT ID: NCT00151684

Last Updated: 2008-02-29

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

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

25 participants

Study Classification

INTERVENTIONAL

Study Start Date

2004-11-30

Brief Summary

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The purpose of this study is to explore diazoxide efficacy in treatment of obese men and assessment of maximal insulin suppression in obese men without hyperglycaemia.

Obesity is associated with markedly elevated plasma insulin levels throughout the day. The concept is that obese subjects predominantly develop lean tissue resistance against the glucoregulatory actions of insulin, but remain relatively sensitive to the lipogenic and antilipolytic effects of insulin in adipose tissue. According to this theory, suppression of hyperinsulinism by diazoxide, a well known inhibitor of glucose stimulated insulin secretion, might be useful to treat obesity because it will help to reverse the process of lipid storage.

Detailed Description

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The purpose of this study is to explore diazoxide efficacy in treatment of obese men and assessment of maximal insulin suppression in obese men without hyperglycaemia.

Study design:

This study is an open-labelled, non-randomized, phase IIa study.

Treatment:

During a 6 month period, the dosage of Diazoxide will be raised gradually until a maximum of 900 mg/day, under control of bloodpressure and glucose levels.

Endpoints, monthly determined:

* body weight
* abdominal circumference
* body composition measured by Dual Energy X-ray Absorptiometry
* glucose tolerance

Conditions

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Obesity Hyperinsulinism

Keywords

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Obesity Hyperinsulinism Diazoxide

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Interventions

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Diazoxide

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* fasting glucose \< 7.0 mmol/L
* fasting C-peptide plasma level \> 1.0 nmol/L
* HbA1c of 6.0% or lower
* Absence of comorbidity
* Absence of medication use

Exclusion Criteria

* Plasma Creatinine \> 120 micromol/L
* Liverenzymes \> 2 times the upper normal limit
* Gout
* Alcohol use \> 2 units/day
* Illicit drug use
* Quit smoking less than 6 months ago
Minimum Eligible Age

30 Years

Maximum Eligible Age

50 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes

Sponsors

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Rijnstate Hospital

OTHER

Sponsor Role lead

Principal Investigators

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Hans de Boer, MD PhD

Role: PRINCIPAL_INVESTIGATOR

Rijnstate Hospital, Arnhem, The Netherlands

Locations

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Rijnstate Hospital

Arnhem, , Netherlands

Site Status

Countries

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Netherlands

References

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Schreuder T, Karreman M, Rennings A, Ruinemans-Koerts J, Jansen M, de Boer H. Diazoxide-mediated insulin suppression in obese men: a dose-response study. Diabetes Obes Metab. 2005 May;7(3):239-45. doi: 10.1111/j.1463-1326.2004.00449.x.

Reference Type BACKGROUND
PMID: 15811140 (View on PubMed)

Other Identifiers

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LTC-268-060504

Identifier Type: -

Identifier Source: org_study_id