Endocrine Society Releases Guidelines on Treatment of Cushing’s Syndrome

Posted on August 26, 2015 by MaryO

To lessen the risk for comorbidity and death, the Endocrine Society’s newly published guidelines on the treatment of Cushing’s syndrome focus on surgical resection of the causal tumor with the goal of normalizing cortisol levels. Furthermore, there is increased emphasis on individualizing treatment options when choosing a second-line treatment.

In July 2015, the Endocrine Society published treatment guidelines to assist endocrinologists in appropriately initiating treatment or referring patients with Cushing’s syndrome to treatment. A task force of experts compiled evidence from systematic reviews and graded the strength of the recommendations.

“We hope that it will lead to improved treatment of comorbidities both before and after definitive treatment of the syndrome, and to increased individualization of patient treatment,” said chair of the task force Lynnette Nieman, MD, who is chief of the Endocrinology Consultation Service at the National Institutes of Health Clinical Center.

“There are two new drugs that were approved in 2012, and so I think that is what prompted the review. Still, medications are not the first line of treatment, but we have some new therapeutic options, and I think the idea was to help people understand where to use them,” Julie Sharpless, MD, assistant professor and director of the UNC Multidisciplinary Pituitary Adenoma Program, told Endocrinology Advisor.

“The primary treatment is surgical resection of the causal tumor(s). If that cannot be done (because the tumor is occult or metastatic) or is not successful, then the choice of secondary treatment should be individualized to the patient. The comorbidities of Cushing’s syndrome, for example hypertension and diabetes, should be treated separately as well,” Nieman said.

For example, the guidelines recommend surgical removal of the causative lesion, with the exception of cases which are unlikely to cause a drop in glucocorticoids or in patients who are not surgical candidates.

Likewise, in patients with benign unilateral adrenal adenoma, adrenalectomy by an experienced surgeon has a high rate of cure in children and adults. Because of the poor prognosis associated with adrenal carcinoma, the guidelines highlight the need for complete resection and possibly medical treatment to stabilize cortisol levels.

Other first-line treatment options include recommending surgical resection of ectopic ACTH-secreting tumors; referring to an experienced pituitary surgeon for transsphenoidal selective adenomectomy; treatments to block hormone receptors in bilateral micronodular adrenal hyperplasia; and surgical removal in bilateral adrenal disorders.

The elevated mortality rate seen in patients with Cushing’s syndrome is due to infection, venous thrombosis and cardiovascular disease (CVD). Appropriately lowering cortisol levels improves hypertension, insulin resistance, dyslipidemia and obesity in patients with Cushing’s syndrome. Therefore, the guidelines highlight the need for restoring cortisol levels and treating the associated comorbidities.

Nevertheless, the task force specifically recommends against treatment without an established diagnosis or when there are no signs of Cushing’s syndrome and hypothalamic-pituitary-adrenal laboratory studies are borderline.

In patients who are not surgical candidates or in cases of noncurative resection, the decision on whether to consider second-line treatment options such as medical therapy, radiation, bilateral adrenalectomy or repeat transsphenoidal surgery should be based on several factors. For instance, the guidelines recommend taking into consideration location and size of the tumor, patient desires, goals of treatment and level of biochemical control.

The guidelines note medical therapy should be based on cost, efficacy and individualization of treatment. Endocrinologists can approach medical therapy with a goal of establishing normal cortisol levels or reducing cortisol levels to very low levels and replacing to achieve desired levels.

Remission in Cushing’s syndrome is associated with notable improvement; however, long-term follow-up is recommended for osteoporosis, CVD and psychiatric conditions.

After treatment, patients may experience reductions in weight, blood pressure, lipids and glucose levels that may allow reduction or discontinuation of medications. Even so, patients with a history of Cushing’s syndrome tend to have higher rates of hypertension, hyperlipidemia and diabetes. Likewise, rates of myocardial infarction are higher in this population, further emphasizing the need for treatment and management of diabetes and hypertension.

Sharpless highlighted that Cushing’s syndrome is rare.

“There are multiple studies that have shown that patients do better when they are treated in a specialty center where people see a lot of cases of this. So in that sense, treatment is not usually going to fall to the general practitioner,” she said.

She continued that the guidelines are helpful and provide guidance to endocrinologist who “can’t readily refer their patient to a pituitary center.”

Sharpless went on to describe the multidisciplinary care involved in Cushing’s syndrome including endocrinologists, neurosurgeons, radiologists, counselors and radiation oncologist.

“When the care is complicated, you want to ensure all of your providers have reviewed your case together and figured out the best plan.”

The guidelines were co-sponsored by the European Society of Endocrinology. Nieman received salary support for her work on the manuscript from the Intramural Research Program of the Eunice Kennedy Shiver Institute of Child Health and Human Development. Members of the task force reported multiple disclosures.

Reference

  1. Nieman LK et al. J Clin Endocrinol Metab. 2015;100(8):2807-2831.

From http://www.endocrinologyadvisor.com/adrenal/cushings-syndrome-endocrine-society-guidelines/article/434307/

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Experts recommend tumor removal as first-line treatment for Cushing’s syndrome

Posted on July 30, 2015 by MaryO

The Endocrine Society today issued a Clinical Practice Guideline (CPG) on strategies for treating Cushing’s syndrome, a condition caused by overexposure to the hormone cortisol.

The CPG, entitled “Treatment of Cushing’s Syndrome: An Endocrine Society Clinical Practice Guideline,” was published online and will appear in the August 2015 print issue of the Journal of Clinical Endocrinology and Metabolism (JCEM), a publication of the Endocrine Society.

Cushing’s syndrome occurs when a person has excess cortisol in the blood for an extended period, according to the Hormone Health Network. When it is present in normal amounts, cortisol is involved in the body’s response to stress, maintains blood pressure and cardiovascular function, keeps the immune system in check, and converts fat, carbohydrates and proteins into energy. Chronic overexposure to the hormone can contribute to the development of cardiovascular disease, infections and blood clots in veins.

People who take cortisol-like medications such as prednisone to treat inflammatory conditions, including asthma and rheumatoid arthritis, can develop Cushing’s syndrome. The high cortisol levels return to normal when they stop taking the medication. This is called exogenous Cushing’s syndrome.

In other cases, tumors found on the adrenal or pituitary glands or elsewhere in the body cause the overproduction of cortisol and lead to the development of Cushing’s syndrome. The Clinical Practice Guidelines focus on this form of the condition, known as endogenous Cushing’s syndrome.

“People who have active Cushing’s syndrome face a greater risk of death – anywhere from nearly twice as high to nearly five times higher – than the general population,” said Lynnette K. Nieman, MD, of the National Institutes of Health’s Eunice Kennedy Shriver National Institute of Child Health and Human Development in Bethesda, MD, and chair of the task force that authored the guideline. “To reduce the risk of fatal cardiovascular disease, infections or blood clots, it is critical to identify the cause of the Cushing’s syndrome and restore cortisol levels to the normal range.”

In the CPG, the Endocrine Society recommends that the first-line treatment for endogenous Cushing’s syndrome be the removal of the tumor unless surgery is not possible or unlikely to address the excess cortisol. Surgical removal of the tumor is optimal because it leaves intact the hypothalamic-pituitary-adrenal axis, which is integral to the body’s central stress response.

Other recommendations from the CPG include:

  • Tumors should be removed by experienced surgeons in the following situations:— A tumor has formed on one or both of the two adrenal glands.— A tumor that secretes adrenocorticotropic hormone (ACTH) – the hormone that signals the adrenal glands to produce cortisol – has formed somewhere in the body other than the adrenal or pituitary gland.

    — A tumor has formed on the pituitary gland itself.

  • Patients who continue to have high levels of cortisol in the blood after surgery should undergo additional treatment.
  • People who had an ACTH-producing tumor should be screened regularly for the rest of their lives for high cortisol levels to spot recurrences.
  • If patients’ cortisol levels are too low following surgery, they should receive glucocorticoid replacement medications and be educated about adrenal insufficiency, a condition where the adrenal glands produce too little cortisol. This condition often resolves in 1-2 years.
  • Morning cortisol and/or ACTH stimulation tests, or insulin-induced hypoglycemia, can be used to test for the recovery of the hypothalamic-pituitary-adrenal axis in people who have low cortisol levels after surgery. Once the tests results return to normal, glucocorticoid replacement can be stopped.
  • People who have undergone pituitary surgery should be re-evaluated for other pituitary hormone deficiencies during the post-operative period.
  • Patients who have a pituitary tumor and have undergone surgery to remove both adrenal glands should be regularly evaluated for tumor progression using pituitary MRIs and tests for ACTH levels.
  • Radiation therapy may be used to treat a pituitary tumor, especially if it is growing. While awaiting the effect of radiation, which may take months to years, treatment with medication is advised.
  • To assess the effect of radiation therapy, the patient’s cortisol levels should be measured at 6- to 12-month intervals.
  • Medications may be used to control cortisol levels as a second-line treatment after surgery for a pituitary gland tumor, as a primary treatment for ACTH-secreting tumors that have spread to other parts of the body or suspected ACTH-secreting tumors that cannot be detected on scans. Medications also can be used as adjunctive treatment to reduce cortisol levels in people with adrenal cortical carcinoma, a rare condition where a cancerous growth develops in the adrenal gland.
  • People with Cushing’s syndrome should be treated for conditions associated with the disease, such as cardiovascular disease risk factors, osteoporosis and psychiatric symptoms.
  • Patients should be tested for recurrence throughout their lives except in cases where the person had a benign adrenal tumor removed.
  • Patients should undergo urgent treatment within 24 to 72 hours of detecting excess cortisol if life-threatening complications such as serious infection, pulmonary thromboembolism, cardiovascular complications and acute psychosis are present.

More information: The Hormone Health Network offers resources on Cushing’s syndrome at www.hormone.org/questions-and-answers/2012/cushing-syndrome

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Cushing’s Syndrome

Posted on May 22, 2015 by MaryO
Prof André Lacroix, MDcorrespondence,  Richard A Feelders, MD, Constantine A Stratakis, MD, Lynnette K Nieman, MD
Published Online: 21 May 2015
DOI: http://dx.doi.org/10.1016/S0140-6736(14)61375-1

Summary

Chronic exposure to excess glucorticoids results in diverse manifestations of Cushing’s syndrome, including debilitating morbidities and increased mortality.

Genetic and molecular mechanisms responsible for excess cortisol secretion by primary adrenal lesions and adrenocorticotropic hormone (ACTH) secretion from corticotroph or ectopic tumours have been identified. New biochemical and imaging diagnostic approaches and progress in surgical and radiotherapy techniques have improved the management of patients.

The therapeutic goal is to normalise tissue exposure to cortisol to reverse increased morbidity and mortality. Optimum treatment consisting of selective and complete resection of the causative tumour is necessay to allow eventual normalisation of the hypothalamic-pituitary-adrenal axis, maintenance of pituitary function, and avoidance of tumour recurrence. The development of new drugs offers clinicians several choices to treat patients with residual cortisol excess.

However, for patients affected by this challenging syndrome, the long-term effects and comorbidities associated with hypercortisolism need ongoing care.

Read the entire article (there is a fee of $31.50US) here.

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Interview May 13 with Michelle B (MichelleB), Cyclic Cushing’s Patient

Posted on May 13, 2015 by MaryO

Hello all, I’m Michelle mother of 3 beautiful children, I work part-time, 33yrs young, non-smoker, non-drinker, overall health is good for the most part…..Where do I even begin.

I just recently received the diagnosis of cyclic Cushing’s. I’m not really sure how long I have actually had Cushing’s because I have had a diagnosis of PCOS since I was 17 yrs. old ( I’m now the ripe young age of 33). However looking back through labs with my endocrinologist who I see every 6 months, my ACTH levels have been elevated for a bit over 1 yr. It was not until recently January of 2015- things were going terribly wrong.

Starting in January I started to feel genuinely unwell, on a regular basis. I cant really explain all my symptoms there were so many different sensations and feelings that were seemingly different daily. However the red flag was I was having blood pressure spikes from really high, to very low back to back. I never had any blood pressure issues so this was a concern that led me to see a cardiologist. Upon tons of testing the cardio MD felt that something was telling my otherwise very healthy heart to do this and I should see a endocrinologist. (thank goodness for him) I contacted my endo and let him know…. the testing began.

I did every test: the midnightcortisol saliva test, dex suppression, 24 hr urine test, CRH stimulation testing. And I did them more than once. Each time it was a different response either, inconclusive, normal high, or high. I was then referred to the head of the Cleveland clinics pituitary department Dr. Kennedy. He said he is having a hard time believing when he looks at me that its Cushing’s. However all my labs say it is. I will say I do fit the mold of PCOS to a tee- which symptoms of that do coincide with Cushing’s but he still said we have to be sure its Cushing’s. To add to the mix I did have a normal MRI as well.

Dr. Kennedy started me on a 2 week midnight cortisol saliva test- Upon completion we noted levels of cortisol all over the place, some Normal, normal on high range, high, and really high. He confirmed with all the other tests this is Cushing’s. Now we are trying to figure out what is next…. and where is this damn little tumor at. he feels that it is most likely in the pituitary from my test results, but we still are not ruling out else where. He is thinking that the next step would be exploratory neurosurgery or the IPSS. I’m not sure what to think of all this, except I want to hope for the best like everyone- and just be cured!!

On a side note during all of this I also had episodes of severe pain in my chest and nausea. I went to see a GI who did an upper endo scope. They found I had eosinpphilic esophagitis. I also have never had any GI problems until now; and they came on suddenly. Im also having pain in my pancreas area- not sure if any of the two are related at all to Cushing’s. But once again I was fine until recently with all these issues at once it seems.

wish me luck on further testing, treatment, and ultimately a CURE!!

interview

Michelle was our guest in an interview on BlogTalk Radio  Wednesday, May 13, 2015.

The archived interview is available now through iTunes Podcasts (Cushie Chats) or BlogTalkRadio. There are currently 83 other past interviews for your listening pleasure!

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Severe psychosis due to Cushing’s syndrome in a patient with a carcinoid tumour in the lung

Posted on April 30, 2015 by MaryO

Severe psychosis in patients with Cushing’s syndrome is a rare occurrence and can be extremely resistant to medical therapy. We describe a case of a 51-year-old Afro-Caribbean female patient, with refractory severe hypertension (initially resistant to polypharmacy) and gradual development of severe psychosis secondary to ectopic Cushing’s syndrome, who was subsequently diagnosed to have a carcinoid tumour in her lung.

Her psychotic episodes – secondary to hypercortisolism and initially refractory to the medical therapy – subsided only after the resection of the carcinoid tumour in her right lower pulmonary lobe. Early localization and appropriate surgical resection of the ectopic ACTH-secreting tumour can be of immense value to the successful alleviation of the psychotic episodes of the patients with ectopic Cushing’s syndrome.

Author: Mohamad BabaDebamalya Ray
Credits/Source: World Journal of Surgical Oncology 2015, 13:165

From http://7thspace.com/headlines/507616/severe_psychosis_due_to_cushings_syndrome_in_a_patient_with_a_carcinoid_tumour_in_the_lung_a_case_report_and_review_of_the_current_management.html

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