Severe fatigue in patients with adrenal insufficiency: physical, psychosocial and endocrine determinants

Abstract

BACKGROUND:

Fatigue is a frequently experienced complaint in patients with adrenal insufficiency (AI) and may be influenced by cortisol levels.

AIM:

The objective of this study was to determine the prevalence of severe fatigue in adrenal insufficiency (AI) patients, to assess which dimensions contribute to fatigue severity and to determine the association between salivary cortisol levels and momentary fatigue.

SUBJECTS AND METHODS:

We performed a cross-sectional study in the outpatient department of a university hospital. Included were 27 patients with congenital adrenal hyperplasia (CAH), 26 patients with primary AI (PAI), 24 patients with secondary AI (SAI) and 31 patients with adrenal insufficiency after treatment for Cushing’s syndrome (Cush-AI). Measurements included computerised questionnaires to determine fatigue severity and physical and psychosocial contributors. Patients took four saliva samples at home, in which cortisol levels were measured.

RESULTS:

Severe fatigue was experienced by 41 % of the CAH patients, 42 % of the PAI patients, 50 % of the SAI patients and 42 % of the Cush-AI patients. Psychological distress, functional impairment, sleep disturbance, physical activity, concentration problems and social functioning contributed to the subjective experience of fatigue. Salivary cortisol levels were not correlated with momentary fatigue.

CONCLUSIONS:

A considerable proportion of AI patients experience severe fatigue. Salivary cortisol level is not a significant predictor for momentary fatigue in AI patients.

PMID:
24615365
[PubMed – in process]

From http://www.ncbi.nlm.nih.gov/pubmed/24615365

Perspectives on the management of adrenal insufficiency

Source

Oxford Centre for Diabetes, Endocrinology and Metabolism, Churchill Hospital, University of Oxford, Headington, Oxford OX3 7EJ, UK.

Abstract

BACKGROUND:

Conventional glucocorticoid (GC) replacement for patients with adrenal insufficiency (AI) is inadequate. Patients with AI continue to have increased mortality and morbidity and compromised quality of life despite treatment and monitoring.

OBJECTIVES:

i) To review current management of AI and the unmet medical need based on literature and treatment experience and ii) to offer practical advice for managing AI in specific clinical situations.

METHODS:

The review considers the most urgent questions endocrinologists face in managing AI and presents generalised patient cases with suggested strategies for treatment.

RESULTS:

Optimisation and individualisation of GC replacement remain a challenge because available therapies do not mimic physiological cortisol patterns. While increased mortality and morbidity appear related to inadequate GC replacement, there are no objective measures to guide dose selection and optimisation. Physicians must rely on experience to recognise the clinical signs, which are not unique to AI, of inadequate treatment. The increased demand for corticosteroids during periods of stress can result in a life-threatening adrenal crisis (AC) in a patient with AI. Education is paramount for patients and their caregivers to anticipate, recognise and provide proper early treatment to prevent or reduce the occurrence of ACs.

CONCLUSIONS:

This review highlights and offers suggestions to address the challenges endocrinologists encounter in treating patients with AI. New preparations are being developed to better mimic normal physiological cortisol levels with convenient, once-daily dosing which may improve treatment outcomes.

PMID:
24031090
[PubMed – in process] 
PMCID:
PMC3805018
 [Available on 2013/12/1]

From http://www.mdlinx.com/endocrinology/newsl-article.cfm/4829245/ZZ4747461521296427210947/?news_id=2364&newsdt=110713&subspec_id=1509&utm_source=Focus-On&utm_medium=newsletter&utm_content=Top-New-Article&utm_campaign=article-section

Video: What if

From Adrenal Insufficiency United

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Bio Categories

Chemical structure of cortisol.

Chemical structure of cortisol. (Photo credit: Wikipedia)

List of all the categories from Cushing’s Bios

FDA Puts Strict Limits on Oral Ketoconazole Use

By John Gever, Deputy Managing Editor, MedPage Today

SILVER SPRING, Md. — Oral ketoconazole (Nizoral) should never be used as first-line therapy for any type of fungal infection because of the risk of liver toxicity and interactions with other drugs, the FDA said Friday.

The agency ordered a series of label changes and a new medication guide for patients that emphasize the risks, which also include adrenal insufficiency. It noted that the restrictions apply only to the oral formulation, not topical versions.

Late Thursday, the chief advisory body for the FDA’s European counterpart went further. The EU’s Committee on Medicinal Products for Human Use (CHMP) recommended that member nations pull oral ketoconazole from their markets entirely.

Both the FDA and the CHMP cited studies indicating high risks of severe, acute liver injury in patients taking the drug. Studies using the FDA’s adverse event reporting system and a similar database in the U.K. indicated that liver toxicity was more common with oral ketoconazole than with other anti-fungals in the azole class.

The FDA also said that oral ketoconazole “is one of the most potent inhibitors” of the CYP3A4 enzyme. This effect can lead to sometimes life-threatening interactions with other drugs metabolized by CYP3A4, and also to adrenal insufficiency, since the enzyme also catalyzes release of adrenal steroid hormones.

“This accounts for clinically important endocrinologic abnormalities observed in some patients (particularly when the drug is administered at high dosages), including gynecomastia in men and menstrual irregularities in women,” the FDA said.

The only indication for oral ketoconazole still supported by the FDA is for use in life-threatening mycoses in patients who cannot tolerate other anti-fungal medications or when such medications are unavailable.

In such instances, the FDA said, physicians should assess liver function before starting the drug. It is contraindicated in patients with pre-existing liver disease, and patients should be instructed not to drink alcohol or use other potentially hepatotoxic drugs.

Adrenal function should also be monitored in patients using the drug.

The CHMP also indicated the topical formulations of ketoconazole should stay on the market, but it found no basis for keeping the oral form available for any purpose.

“Taking into account the increased rate of liver injury and the availability of alternative anti-fungal treatments, the CHMP concluded that the benefits did not outweigh the risks,” the panel indicated in a statement.

It recommended that physicians stop prescribing oral ketoconazole and that they should review alternatives in patients currently receiving the drug. The committee also said that patients now taking oral ketoconazole “make a non-urgent appointment” with their physicians to discuss their treatment.

From MedPage Today