Test Predicting Adrenal Insufficiency in Volunteers Under Prednisone Treatment

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

PHASE4

Total Enrollment

39 participants

Study Classification

INTERVENTIONAL

Study Start Date

2009-05-31

Study Completion Date

2009-10-31

Brief Summary

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Suppression of the adrenal function is a common, potentially dangerous and unpredictable consequence of short term high dose glucocorticoid treatment. Identification of patients at risk would be of high clinical importance. The investigators hypothesized that the dexamethasone-suppression-test predicts the subsequent development of corticosteroid induced adrenal insufficiency.

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Detailed Description

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The objective of this study is to evaluate if adrenal axis integrity investigated by the dexamethasone-suppression-test will predict the development of adrenal insufficiency after 14 days treatment with 0.5mg/kg of body weight prednisone in healthy volunteers. The investigators hypothesize that subjects with a more suppressed cortisol level after dexamethasone will be more likely to develop adrenal insufficiency after 14 days intake of prednisone o.5mg/kg/body weight than subjects with less suppression of their cortisol levels after dexamethasone.

Conditions

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Adrenal Gland Hypofunction

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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adrenal insufficiency

Group Type EXPERIMENTAL

adrenal insufficiency testing

Intervention Type PROCEDURE

On the day getting the baseline data we will perform a low dose cosyntropin test to asses adrenal axis function.

All participants will then undergo an overnight 0.5mg dexamethasone suppression test. Thereby participants will take 0.5mg of dexamethasone at 11 pm and a fasting blood sample will be collected the next morning at 8 am to measure the serum cortisol level.

Six days later participants will start taking 0.5mg/kg body-weight prednisone each morning for 14 days.

On day 1, 3, 7 and 21 after withdrawal of prednisone the participant will undergo a low dose cosyntropin test. The investigators will take a blood sample before and 30 minutes after i.v. administration of 1ug of cosyntropin for the measurement of cortisol.

prednisone

Intervention Type DRUG

0.5mg/kg body-weight prednisone each morning for 14 days

Interventions

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adrenal insufficiency testing

On the day getting the baseline data we will perform a low dose cosyntropin test to asses adrenal axis function.

All participants will then undergo an overnight 0.5mg dexamethasone suppression test. Thereby participants will take 0.5mg of dexamethasone at 11 pm and a fasting blood sample will be collected the next morning at 8 am to measure the serum cortisol level.

Six days later participants will start taking 0.5mg/kg body-weight prednisone each morning for 14 days.

On day 1, 3, 7 and 21 after withdrawal of prednisone the participant will undergo a low dose cosyntropin test. The investigators will take a blood sample before and 30 minutes after i.v. administration of 1ug of cosyntropin for the measurement of cortisol.

Intervention Type PROCEDURE