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Clinical Trial Summary

Cortisol, a glucocorticoid (GC) hormone secreted from the adrenal glands, is essential for survival.Cortisol also possesses anti-inflammatory actions and GC formulations (prednisolone) are used to treat many inflammatory diseases and conditions. Indeed, three percent of the Danish population(≈ 180.000 individuals) redeems at least one prescription of synthetic GC per year and at least 20,000 patients annually discontinue GC treatment. Pharmacological GC therapy suppresses endogenous cortisol production and thereby induce relative adrenal insufficiency (GIA). The risk of GIA as determined by the adrenal corticotrophic hormone (ACTH) stimulation test is ≈ 25 %,but testing after GC treatment is not routinely performed. In addition, the ACTH stimulation testwas developed for the diagnosis of complete primary adrenal insufficiency, wherefore the clinical value of the ACTH stimulation test in the context of GIA is unknown. When diagnosed, GIA is treated with hydrocortisone (equivalent to cortisol). Excess GC exposure is associated with very serious adverse effects which may also apply to hydrocortisone treatment in patients with GIA. Moreover, hydrocortisone treatment may postpone normalization of adrenal function. On the other hand, GIA patients may develop symptomatic adrenal insufficiency that justifies hydrocortisone treatment. Despite these dilemmas, no evidence-based data exist regarding the proper management of GIA patients. The study is a multi-centre, randomised, double-blinded, placebo controlled 1-year study to compare the effect of hydrocortisone and placebo in patients with Giant Cell Arterititis or Polymyalgia Rheumatica (PMR) with partial adrenal insufficiency after cessation of glucocorticoid treatment.


Clinical Trial Description

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Study Design


Related Conditions & MeSH terms


NCT number NCT05193396
Study type Interventional
Source Odense University Hospital
Contact Marianne S Andersen
Phone +4565411807
Email [email protected]
Status Not yet recruiting
Phase Phase 4
Start date February 2022
Completion date February 2024

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