The Accuracy of Late Night Urinary Free Cortisol/Creatinine and Hair Cortisol in Cushing's Syndrome Diagnosis
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government.
Know the risks and potential benefits of clinical studies and talk to your health care provider before participating.
Read our disclaimer for details.
The investigators will conduct a prospective study, in which they will determine sensitivity, specificity and diagnostic accuracy of late evening urinary free cortisol concentration/creatinine and hair cortisol in differentiating Cushing's syndrome from Pseudo-Cushing's syndrome.
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study:
18 Years to 80 Years (Adult, Older Adult)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
patients referred to our outpatient endocrinology clinic for medical evaluation due to Cushing's syndrome suspicion or adrenal incidentaloma evaluation
1. Patients referred to our outpatient endocrinology clinic for medical evaluation due to CS suspicion or adrenal incidentaloma evaluation