3-year Follow-up of Clinical Outcome After Antipsychotic Treatment Discontinuation in Psychosis Individuals (ADARFEP)

March 13, 2017 updated by: Benedicto Crespo-Facorro, Fundación Marques de Valdecilla

Clinical Outcome After Antipsychotic Treatment Discontinuation in Functionally Recovered First-episode Non-affective Psychosis Individuals: A 3-year Follow-up

This open-label, non-randomized, prospective study will evaluate the risk of symptoms recurrence during the three years after antipsychotic discontinuation in a sample of functionally recovered first-episode patients with schizophrenia spectrum disorder.

Study Overview

Study Type

Interventional

Enrollment (Actual)

68

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Cantabria
      • Santander, Cantabria, Spain, 39008
        • University Hospital Marqués de Valdecilla

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

15 years to 60 years (Child, Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Individuals included in the First Episode Psychosis Clinical Program (PAFIP) at the University Hospital Marqués de Valdecilla (Santander, Spain).
  • A minimum of 18 months on antipsychotic treatment.
  • Meeting clinical remission criteria for at least the 12 months prior to inclusion.
  • Meeting the functional recovery criteria for at least the 6 months prior to inclusion.
  • Stabilized at the lowest effective doses for at least the 3 months prior to inclusion.

Exclusion Criteria:

  • Meeting Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV) criteria for drug dependence.
  • Meeting DSM-IV criteria for mental retardation.
  • Having a history of neurological disease or head injury.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Non-Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Intervention group
Antipsychotic treatment discontinuation (DT)
Withdrawal of antipsychotic medication to stabilized patients.
Active Comparator: Control group
Maintenance antipsychotic treatment (MT)
Maintenance antipsychotic medication to stabilized patients.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Relapse rate.
Time Frame: At 3 years.
The main outcome was the percentage of relapse/exacerbation in the two groups of patients, discontinuation and maintenance.
At 3 years.

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Clinical psychopathology.
Time Frame: At 3 years.
Clinical psychopathology differences between groups are evaluated by the mean change from the study intake to 3 years for the severity of Clinical Global Impression scale (CGI), Brief Psychiatric Rating Scale expanded version of 24 items (BPRS), Scale for the Assessment of Positive Symptoms (SAPS) and Scale for the Assessment of Negative Symptoms (SANS) total scores.
At 3 years.
Time to relapse.
Time Frame: At 3 years.
Time to relapse in the two groups of patients, discontinuation and maintenance.
At 3 years.
Clinical functionality.
Time Frame: At 3 years.
At 3 years.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

July 1, 2004

Primary Completion (Actual)

February 1, 2014

Study Completion (Actual)

July 1, 2014

Study Registration Dates

First Submitted

August 13, 2014

First Submitted That Met QC Criteria

August 18, 2014

First Posted (Estimate)

August 20, 2014

Study Record Updates

Last Update Posted (Actual)

March 14, 2017

Last Update Submitted That Met QC Criteria

March 13, 2017

Last Verified

March 1, 2017

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

No

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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