2014 Brand of the Year - Pharmaceutical Executive

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2014 Brand of the Year


Pharmaceutical Executive


Our choice—why?


Signs and symptoms of Cushing’s syndrome
And then we found it—in KORLYM, the first FDA-approved treatment for endogenous Cushing's syndrome, a serious, debilitating metabolic disorder caused by the overproduction of cortisol, a stress hormone, the effects of which can include hypertension, heart disease, diabetes, depression, chronic fatigue, obesity, and bone loss. An estimated 20,000 people in the US, mostly women, have Cushing's, which qualifies it for rare disease status. However, the real incidence is considered to be higher because it is frequently undiagnosed; many clinicians are unfamiliar with the disease and confuse it with other conditions that are often less lethal.

In addition, Cushing's has a strong co-morbidity profile: an estimated 3-5% of all type II diabetic patients have that condition due to the effect of uncontrolled cortisol proliferation on blood sugar levels; cortisol also erodes bone mass and is thus a contributing factor in osteoporosis.

KORLYM does not by itself decrease cortisol production but reduces its dangerous side-effects, especially the high blood sugar levels that usually lead to diabetes in patients with long-term exposure to excess levels of the hormone. Approved by the FDA in February 2012, the KORLYM label is a relatively narrow one, covering Cushing's syndrome patients with type 2 diabetes or glucose intolerance who are not candidates for or who have failed the most common treatment for Cushing's, which is surgery to remove the benign tumors that stimulate overproduction of cortisol.

A hormone that matters: Cortisol's big footprint




However, research indicates that KORLYM's main mechanism of action as a glucocorticoid receptor (GR-II) antagonist, which blocks cortisol from binding in the bloodstream, can improve clinical symptoms for other life-threatening conditions where excess cortisol has been identified as a causative factor. In this regard, KORLYM has potential value above and beyond its current status as one drug for a single rare disease. Could it be instead the vanguard of a much larger therapeutic franchise, one built around medicines that mediate the destructive effects of a single aberrant hormone on the nerves and tissues that keep us whole and healthy?

Corcept Therapeutics, the small, California Bay Area company that brought KORLYM to market, thinks it is. "KORLYM is the first step toward a business that we are creating around a unifying scientific theme, which is to understand how excess cortisol levels influence the incidence and progression of not just one, but potentially dozens, of different conditions," Corcept CEO Joe Belanoff told Pharm Exec.

From a purely medical perspective, the model makes sense: cortisol, which is found in more than 80% of all bodily tissues, is an essential regulator of system metabolism and proper organ function. A review of the clinical literature finds that, in addition to endocrine and metabolic disorders like Cushing's and diabetes, the effects of aberrant high cortisol are felt in CNS diseases, including psychotic depression, post-traumatic stress disorder, alcoholism, and early-stage Alzheimer's; ophthalmologic conditions like glaucoma and central serous retinopathy; osteoporosis; and even oncology, where research shows that cortisol can, in some cases, control the way tumors grow. Corcept is focusing its development pipeline on three main applications, covering psychiatry, metabolics. and cancer.

"The potential indications around this ubiquitous and clinically underrated hormone take us beyond the rare disease state to those chronic areas where we still see large numbers of patients with unmet medical needs," says Belanoff. The implicit message here is KORLYM exists as a prototype for something bigger—a new, multi-platform approach to identifying and treating disease.


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