Study for Evaluating Different Methods of Measuring Depression Treatment Response

Pfizer

Status

Completed

Conditions

Depressive Disorder, Major

Treatments

Procedure: electronic diary

Drug: Placebo

Procedure: voice acoustics

Drug: Sertraline

Study type

Interventional

Funder types

Industry

Identifiers

NCT00406952

A9001337

Details and patient eligibility

About

Purpose of the study is to evaluate use of electronic diaries and voice acoustics for use in future depression clinical trial. Focus is on increased precision of measurement.

Enrollment

165 patients

Sex

All

Ages

18 to 65 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

Primary diagnosis of Major Depressive Disorder with symptoms of depression present at least 1 month
Psychotropic medications currently not being taken

Exclusion criteria

Failure to respond in past 5 years to antidepressant therapy of adequate duration and dosing
Diagnoses of following conditions or disorders within past 6 months: generalized anxiety, obsessive compulsive, panic, post stress, anorexia, bulimia, alcohol or substance abuse or social anxiety disorder
Diagnoses current or past of the following conditions or disorders: schizophrenia, psychotic disorder, delieium, dememtia, amnestic cognitive disorder, bipolar