Is Your Antidepressant For Major Depressive Disorder Inadequate?
Local researchers in Little Rock, AR are seeking participants diagnosed with major depressive disorder (MDD) for a clinical research study.
If you are taking an ineffective antidepressant medication and are having trouble sleeping, consider enrollment to help test the safety and effectiveness of an investigational treatment for MDD in adults.
You may qualify for participation if you:
  • Are 18–74 years of age


  • Have been diagnosed with depression


  • Have taken antidepressants in the past that did not work well for you


  • Are currently taking an antidepressant medication but still have symptoms of depression


  • Have difficulty falling asleep or staying asleep, or do not feel rested the next day
You may not qualify for participation if you:
  • Are diagnosed with:
    • Bipolar disorder
    • Narcolepsy
    • Autism spectrum disorder
    • Borderline personality disorder
    • Alzheimer’s disease
    • Vascular dementia
    • Parkinson’s disease with cognitive impairment
    • A significant cardiovascular disorder


  • Have a history of seizures

There are additional requirements to qualify for this study. A member of the study team will discuss these with you during screening.

See if you Qualify
What Is Major Depressive Disorder?

Major depressive disorder (MDD) is a mental health disorder diagnosed by a physician that is characterized by a chronic low mood, leading to a loss of interest in daily life.

What is a Clinical Research Study?

A clinical research study tests the safety and efficacy of a new medicine or treatment in a population of volunteers. Every medical breakthrough goes through the clinical study process. Therefore, participants like you play a very important role in advancing medicine for present and future generations.

Preferred Research Partners

Preferred Research Partners


11219 Financial Centre Pkwy

Little Rock, AR 72211

(501) 553-9987