The Effect of Patient Cost-Sharing on Antidepressant and Adjunctive Therapy Use

Otsuka

Status: Completed

Conditions: Depressive Disorder, Major

Study type: Observational

Funder types: Industry

Identifiers

NCT01141400

CN138-587

Details and patient eligibility

About

The primary objective of this study is to measure the effects of patient cost-sharing on the initiation of adjunctive treatment and subsequent healthcare utilization and expenditures among a population of commercially insured adults on antidepressant therapy.

Enrollment: 48,865 patients

Sex: All

Ages: 18 to 64 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Adult patients (aged 18-64) will be selected from the MarketScan Commercial Database between January 1, 2004, and September 30, 2008, if they have at least two medical claims with a diagnosis of depression and at least one prescription fill for an antidepressant medication.

Exclusion criteria

• Patients who have any claim with a diagnosis of dementia, schizophrenia, delusional disorder, psychoses, pervasive development disorder, mental retardation, cerebral degenerations, Parkinson's disease, senility, manic depression, bipolar disorder, or major depressive disorder with psychotic symptoms.

Trial design

48,865 participants in 1 patient group

depression & initial prescription for an antidepressant

Description:

A sample of adults with a diagnosis of depression and an initial prescription fill for an antidepressant