Patient Global Impression of Change scale. It is recommended that 2 or more different methods be used to evaluate the clinical importance of improvement or worsening for 5 minute clinical consult pdf pain clinical trial outcome measures.

Provisional benchmarks for identifying clinically important changes in specific outcome measures that can be used for outcome studies of treatments for chronic pain are proposed. Systematically collecting and reporting the recommended information needed to evaluate the clinical importance of treatment outcomes of chronic pain clinical trials will allow additional validation of proposed benchmarks and provide more meaningful comparisons of chronic pain treatments. Check if you have access through your login credentials or your institution. Johnson, Merck, NeurogesX, Pfizer, Purdue, and Schwarz Biosciences. The views expressed in this article are those of the authors. No official endorsement by the US Department of Veterans Affairs, US Food and Drug Administration, US National Institutes of Health, or the pharmaceutical companies that provided unrestricted grants to the University of Rochester Office of Professional Education should be inferred.

It causes severe symptoms that affect how you feel, think, and handle daily activities, such as sleeping, eating, or working. To be diagnosed with depression, the symptoms must be present for at least two weeks. A person diagnosed with persistent depressive disorder may have episodes of major depression along with periods of less severe symptoms, but symptoms must last for two years to be considered persistent depressive disorder. This depression generally lifts during spring and summer. Winter depression, typically accompanied by social withdrawal, increased sleep, and weight gain, predictably returns every year in seasonal affective disorder.

Not everyone who is depressed experiences every symptom. Some people experience only a few symptoms while others may experience many. The severity and frequency of symptoms and how long they last will vary depending on the individual and his or her particular illness. Symptoms may also vary depending on the stage of the illness. Depression is one of the most common mental disorders in the U.