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Corcept Therapeutics Announces Four Anticipated Milestones for 2010

Corcept Therapeutics Incorporated (NASDAQ:CORT), a pharmaceutical company engaged in the discovery and development of drugs for the treatment of severe metabolic and psychiatric disorders, announces its anticipated milestones for 2010

"These four milestones should mark a transformational year for the company," said Joseph K. Belanoff, M.D., Chief Executive Officer of Corcept. "Most important, we expect to complete enrollment in our pivotal trial of CORLUX for the treatment of Cushing's Syndrome in the first quarter of this year. The results of this trial, if positive, should support an NDA submission by year-end and, if approved by the FDA, commercialization of CORLUX in 2011. We are focusing our efforts on preparing to make CORLUX commercially available to patients and address this significant unmet medical need."

FOUR KEY MILESTONES FOR 2010

We expect to reach major milestones related to our development of CORLUX and our selective GR-II antagonists during 2010:

CORLUX for Cushing's Syndrome
We are nearing completion of enrollment in our 50-patient open-label Phase 3 study of CORLUX for the treatment of endogenous Cushing's Syndrome, a serious metabolic disorder affecting approximately 20,000 patients in the US.

Based on the timing of enrollment and the 6-month glucose tolerance and blood pressure endpoints agreed to with the FDA, we anticipate completing patient treatment in the Phase 3 trial of CORLUX for Cushing's Syndrome and announcing efficacy results in 3Q 2010.

We expect to submit our NDA to the FDA in the fourth quarter of 2010. Additional studies and preparation of documentation in support of our NDA submission are ongoing, which should enable our submission soon after the Phase 3 efficacy results are available.

We are now preparing for the 2011 commercialization of CORLUX in the United States and pursuing partnerships for commercialization outside of the United States. Management is focused on making this potential treatment available to patients in an expeditious and efficient manner.

The FDA granted us Orphan Drug Designation for CORLUX for the treatment of endogenous Cushing's Syndrome, which provides seven years of marketing exclusivity in the U.S. from the date of approval, as well as potential tax credits related to product development expenses.

Selective GR-II Antagonist -- CORT 108297 -- for the Prevention of Weight Gain Caused by Antipsychotic Medication
We plan to begin enrollment in the Phase 1 study of our lead selective GR-II antagonist, CORT 108297, in the first quarter of 2010, based on the Investigational New Drug (IND) application we submitted to the FDA in December 2009. The study is a single ascending dose safety and tolerability study in healthy volunteers, which should be completed by year-end 2010. If successful, this study should support advancing CORT 108297 into additional trials evaluating its safety and efficacy in the prevention of weight gain and other metabolic effects caused by antipsychotic medications, a major unmet medical need in a large market.

During 2010 we plan to continue our research and preclinical efforts to advance additional compounds within our three distinct series of selective GR-II antagonists. Based on the published literature, the regulation of cortisol could have applications in a wide array of serious diseases, including diabetes, obesity, hypertension, osteoporosis, Alzheimer's disease, and other neurodegenerative diseases.

CORLUX for Psychotic Depression
We plan to continue enrolling patients in our Phase 3 trial of CORLUX for the treatment of psychotic depression. As previously announced, we are conducting the trial at eight clinical sites to focus our resources on completion of our NDA and the near-term commercialization of CORLUX for the Cushing's Syndrome indication. With this reduced number of sites, we do not expect data from this trial to be available during 2010.

About Cushing’s Syndrome
Endogenous Cushing's Syndrome is caused by prolonged exposure of the body's tissues to high levels of the hormone cortisol and is generated by tumors that produce cortisol or ACTH. Cushing’s Syndrome is an orphan indication which most commonly affects adults aged 20 to 50. An estimated 10 to 15 of every one million people are newly diagnosed with this syndrome each year, resulting in over 3,000 new patients in the United States. An estimated 20,000 patients in the United States have Cushing’s Syndrome. Symptoms vary, but most people have one or more of the following manifestations: high blood sugar, diabetes, high blood pressure, upper body obesity, rounded face, increased fat around the neck, thinning arms and legs, severe fatigue and weak muscles. Irritability, anxiety, cognitive disturbances and depression are also common. Cushing’s Syndrome can affect every organ system in the body and can be lethal if not treated effectively.

About Psychotic Depression
Psychotic depression is a serious psychiatric disorder that affects approximately three million people annually in the United States. It is more prevalent than either schizophrenia or bipolar I disorder. The disorder is characterized by severe depression accompanied by delusions, hallucinations or both. People with psychotic depression are approximately 70 times more likely to commit suicide than the general population and often require lengthy and expensive hospital stays. There is no FDA-approved treatment for psychotic depression.

About Weight Gain Caused by Antipsychotics
The group of medications known as atypical antipsychotics, including olanzapine, risperidone, clozapine and quetiapine, are widely used to treat schizophrenia and bipolar disorder. All medications in this group are associated with treatment emergent weight gain of varying degrees and carry warning labels relating to treatment emergent hyperglycemia and diabetes mellitus. Weight gain and alterations in metabolic efficiency have been observed for many years in patients with abnormally high circulating cortisol. There is no FDA-approved treatment for the weight gain associated with the use of antipsychotic medications.

About CORLUX
Corcept's first-generation compound, CORLUX, also known as mifepristone, directly blocks the GR-II (cortisol) receptor and the progesterone receptor. Intellectual property protection is in place to protect important methods of use for CORLUX. Corcept retains worldwide rights to its intellectual property related to CORLUX.

About Corcept Therapeutics Incorporated
Corcept is a pharmaceutical company engaged in the discovery and development of drugs for the treatment of severe metabolic and psychiatric disorders. The company has two Phase 3 programs ongoing; CORLUX for the treatment of Cushing's Syndrome and CORLUX for the treatment of the psychotic features of psychotic depression. Corcept has also developed an extensive intellectual property portfolio that covers the use of GR-II antagonists in the treatment of a wide variety of psychiatric and metabolic disorders, including the prevention of weight gain caused by the use of antipsychotic medication.

Statements made in this news release, other than statements of historical fact, are forward-looking statements, including, for example, statements relating to Corcept's clinical development and research programs, the timing of the introduction of CORLUX and future product candidates, including CORT 108297, estimates of the timing of enrollment or completion of our clinical trials and the anticipated results of those trials, the ability to create value from CORLUX or other future product candidates and our estimates regarding our capital requirements, spending plans and needs for additional financing. Forward-looking statements are subject to a number of known and unknown risks and uncertainties that might cause actual results to differ materially from those expressed or implied by such statements. For example, there can be no assurances with respect to the cost, rate of spending, completion or success of clinical trials; financial projections may not be accurate; there can be no assurances that Corcept will pursue further activities with respect to the development of CORLUX, CORT 108297, or any of its other selective GR-II antagonists. These and other risk factors are set forth in the Company's SEC filings, all of which are available from our website (www.corcept.com) or from the SEC's website (www.sec.gov). We disclaim any intention or duty to update any forward-looking statement made in this news release.

CONTACT:
Caroline Loewy
Chief Financial Officer
Corcept Therapeutics
650-688-8783
cloewy@corcept.com
www.corcept.com

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