Skip to content

An open-label clinical trial of dopamine agonists in treatment-resistant depression

An open-label clinical trial of dopamine agonists in treatment-resistant depression - An open clinical trial of dopamine agonists in treatment-resistant depression

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000002109
Enrollment
50
Registered
2009-07-01
Start date
2009-07-01
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

depression

Interventions

Cabergoline will be added to the medication which the patients have been already taking at the time of their study participation. Cabergoline will be administered at 0.25 mg/day at first, 0.5mg/day at

Sponsors

Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Patients diagnosed as having depression based on Diagnostic and Statistical Manual of Mental Disorders, 4th edition (DSM-IV). 2) Patients whose score on Hamilton Depression Rating Scale (HAM-D) 21-item version is 15 points or more despite 6 weeks or more treatment with adequate dose of at least one SSRI (Paroxetine, Fluvoxamine, or Sertraline). 3) Patients who are able to give informed consent by their free will after understanding the content of this study.

Exclusion criteria

Exclusion criteria: 1) Concomitant severe physical diseases 2) Pregnant women 3) Marked suicidal ideation as indexed by the three points or more on the "suicide" item of HAM-D 4) Comorbid other psychiatric disorders 5) Cardiac abnormalities assessed with ECG and echocardiography (only for Cabergoline group) 6) Patients who can result in serious outcomes by sleepiness including those who drive a car (for Pramipexole and Ropinirole groups)

Design outcomes

Primary

MeasureTime frame
1. Hamilton Depression Rating Scale (HAM-D) 2. Montgomery Asberg Depression Rating Scale (MADRS) 3. Clinical Global Impression (CGI)

Countries

Japan

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026