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Understanding Treatment Adherence Among Individuals With Bipolar Disorder

29. Juli 2019 aktualisiert von: Martha Sajatovic, MD, Case Western Reserve University

Determinants and Manifestation of Illness Behavior in Promoting Treatment Adherence Among Individuals With Bipolar Depression

This study will examine how various factors, such as psychiatric symptoms, gender, social support, substance use, and attitudes toward medication, affect treatment adherence in individuals with bipolar disorder.

Studienübersicht

Status

Abgeschlossen

Bedingungen

Detaillierte Beschreibung

Bipolar Disorder (BPD), also known as manic-depressive illness, is a disorder that causes frequent shifts in an individual's mood, energy, and ability to function. An individual with BPD may go through periods of mania, which are characterized by increased energy, irritability, and an excessively "high" euphoric mood. The manic periods are followed by periods of depression, which are characterized by decreased energy, feelings of hopelessness, and anxiety. BPD is a persistent and severe mental illness with a high suicide rate; it must be strictly managed through medication and therapy. Many BPD medications have been developed recently; however, there are still many individuals who do not respond well to medication treatment. Research has shown that the way individuals experience illness has an effect on their response to medication. The purpose of this study is to gain insight into how individuals with BPD perceive and respond to medication treatment. Factors such as gender, degree of social support, drug and alcohol usage, and attitudes towards medication will be evaluated to understand how they affect medication and treatment adherence.

This 6-month study will consist of 3 interviews. Each interview will last approximately 2 and ½ hours and will include numerous standardized psychological questionnaires. The questionnaires will assess participants' attitudes toward BPD treatment; psychiatric illness severity, including symptoms of mania and depression; level of addiction to alcohol and drugs; availability of social support resources; and medication adherence.

Studientyp

Beobachtungs

Einschreibung (Tatsächlich)

140

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienorte

  • Vereinigte Staaten
    • Ohio
      • Beachwood, Ohio, Vereinigte Staaten, 44122
        • Northeast Ohio Health Services

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

18 Jahre und älter (Erwachsene, Älterer Erwachsener)

Akzeptiert gesunde Freiwillige

Nein

Studienberechtigte Geschlechter

Alle

Probenahmeverfahren

Nicht-Wahrscheinlichkeitsprobe

Studienpopulation

Individuals with bipolar disorder receiving treatment at a Community Mental Health Clinic in Northeast Ohio.

Beschreibung

Inclusion Criteria:

  • Clinical diagnosis of bipolar disorder type I for at least two years prior to study entry
  • Has experienced an index depressive episode
  • Received treatment with medication to stabilize mood for at least 6 months prior to study entry
  • Able to participate in psychiatric interviews
  • Lives in the Northeast Ohio area and is a patient at either Northeast Ohio Health Services or The Mood Disorders Clinic at University Hospitals of Cleveland

Exclusion Criteria:

  • Unable/unwilling to participate in psychiatric interviews

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Attitudes toward Mood Stabilizers Questionnaire (AMSQ)
Zeitfenster: Change from Baseline to 6 month visit
The AMSQ is a 19-item scale which is a modification of the Lithium Attitudes Questionnaire (LAQ) that evaluates an individual's attitude toward mood-stabilizing medication. The questions are in a yes/no format. The AMSQ has 7 subscales that represent key attitudinal domains with respect to adherence, as follows: 1. opposition to prophylaxis, 2. denial of therapeutic effectiveness, 3. fear of adverse effects, 4. difficulty with medication routines, 5. denial of illness severity, 6. negative attitude toward drugs in general, and 7. lack of information about mood stabilizers. Total scores range from 0 to 19. Higher scores on the total and each subscale represent more negative attitudes toward mood stabilizers.
Change from Baseline to 6 month visit
Brief Psychiatric Rating Scale (BPRS)
Zeitfenster: Change from Baseline to 6 month visit
The BPRS measures levels of mania. There are 24 items, scored on a 7-point scale ranging from 0 to 6. Total scores range from 0 to 42, with higher scores indicating higher levels of mania.
Change from Baseline to 6 month visit
Addiction Severity Index (ASI)
Zeitfenster: Change from Baseline to 6 month visit

A portion of the standardized instrument measuring level of addiction to alcohol and drugs. Items 1-14 of the Alcohol/Drug index were used. The ASI evaluated both lifetime and past-30 day use of a wide variety of commonly abused substances. Each question is divided by its maximum answer value and by the total number of questions in the composite. These individual results are then summed.

The six questions (A-F) that make up the alcohol composite score is determined by:

A/180 + B/180 + C/180 + D/24 + E/24 + log F/44.

The 13 questions (A-M) that make up the drug composite score is determined by:

A/390 + B/390 + C/390 + D/390 + E/390 + F/390 + G/390 + H/390 + I/390 + J/390 + K/390 + L/52 + M/52.
Change from Baseline to 6 month visit
Interpersonal Suppose Evaluation List (ISEL)
Zeitfenster: Change from Baseline to 6 month visit
The ISEL is a 40-item self-report questionnaire that was developed to assess availability of social support resources. A total index is composed of four subscales: tangible assistance (material aid), appraisal (availability of someone to talk to about life's problems), self-esteem (positive appraisal of self from others and positive comparison when comparing one's self with others) and belonging (people with whom one can do things). Response for each item is coded on a 4-point Likert scale ranging from definitely false to definitely true. Total scores range from 0 to 120, with higher scores indicating a higher availability of perceived social support.
Change from Baseline to 6 month visit
Tablets Routine Questionnaire (TRQ)
Zeitfenster: Change from Baseline to 6 month visit
The TRQ evaluates adherence to medications via a brief self-report instrument that has been validated in populations with bipolar disorder medication adherence. The TRQ identifies nonadherent individuals, defined as those who miss 30% or more of their medication in the last week or month. Total scores are represented as a percentage and range from 0 to 100, with higher scores indicating a greater level of nonadherence (higher scores indicate worse adherence to medications).
Change from Baseline to 6 month visit
Hamilton Rating Scale for Depression (HAM-D)
Zeitfenster: Change from Baseline to 6 month visit
The HAM-D measures form lists 21 items, the scoring is based on the first 17. Eight items are scored on a 5-point scale, ranging from 0 = not present to 4 = severe. Nine are scored from 0-2. Total scores range from 0-52, with higher scores indicating worse depression. The categories are as follows: 0-7 are considered as being normal, 8-16 suggest mild depression, 17-23 moderate depression and scores over 24 are indicative of severe depression; the maximum score is 52.
Change from Baseline to 6 month visit

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Case Western Reserve University

Mitarbeiter

National Institute of Mental Health (NIMH)

Publikationen und hilfreiche Links

Die Bereitstellung dieser Publikationen erfolgt freiwillig durch die für die Eingabe von Informationen über die Studie verantwortliche Person. Diese können sich auf alles beziehen, was mit dem Studium zu tun hat.

Allgemeine Veröffentlichungen

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn

1. März 2004

Primärer Abschluss (Tatsächlich)

1. März 2007

Studienabschluss (Tatsächlich)

1. August 2007

Studienanmeldedaten

Zuerst eingereicht

13. September 2005

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

13. September 2005

Zuerst gepostet (Schätzen)

16. September 2005

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

31. Juli 2019

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

29. Juli 2019

Zuletzt verifiziert

1. Juli 2019

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Schlüsselwörter

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • K23MH065599-01 (US NIH Stipendium/Vertrag)
  • DAHBR 9K-TA

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