Validation of the SIBARS in The Netherlands

Validation of the Semistructured Interview for Bipolar At Risk States (SIBARS) in a Dutch Outpatient Sample - Validation of the Semi-structured Interview for Bipolar At Risk States (SIBARS)

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON57886

Enrollment

450

Registered

2025-07-08

Start date

2025-10-01

Completion date

Unknown

Last updated

2025-08-18

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

Conditions

Bipolar Disorder

Interventions

The study involves questionnaires only.

Eligibility

Age

12 Years to 64 Years

Inclusion criteria

Inclusion criteria: Age 16-35Referred to one of the three mental healthcare institutions collecting dataParticipants must have filled in the Prodromal Questionnire (PQ16) or Mood Disorder Questionnaire NL (MDQ-NL)Sufficient knowledge of Dutch or English languageAbility to give informed consent

Exclusion criteria

Exclusion criteria: Learning difficulties, organic brain disease or severe neurological impairment.Current severe substance or alcohol misuse (clinicians’ assessment)

Design outcomes

Primary

Measure	Time frame
This study primarily focuses on the evaluation of the questionnaire, with specific emphasis on: (i) testing dimensionality and underlying constructs, (ii) assessing reliability, and (iii) evaluating validity.The SIBARS is a semi-structured interview consisting of four scales: (i) the mania scale, (ii) the depression scale, (iii) the depression with mixed features scale, and (iv) the cyclothymic temperament scale. Each scale comprises multiple items: 10 items in the mania scale, 10 in the depression scale, 7 in the depression with mixed features scale, and 17 in the cyclothymic temperament scale, totaling 44 items.The outcome of the SIBARS assessment is categorical and results in one of three possible classifications: (i) at increased risk for bipolar disorder, (ii) presence of bipolar disorder, or (iii) no increased risk for bipolar disorder.	—

Measure

Time frame

This study primarily focuses on the evaluation of the questionnaire, with specific emphasis on: (i) testing dimensionality and underlying constructs, (ii) assessing reliability, and (iii) evaluating validity.The SIBARS is a semi-structured interview consisting of four scales: (i) the mania scale, (ii) the depression scale, (iii) the depression with mixed features scale, and (iv) the cyclothymic temperament scale. Each scale comprises multiple items: 10 items in the mania scale, 10 in the depression scale, 7 in the depression with mixed features scale, and 17 in the cyclothymic temperament scale, totaling 44 items.The outcome of the SIBARS assessment is categorical and results in one of three possible classifications: (i) at increased risk for bipolar disorder, (ii) presence of bipolar disorder, or (iii) no increased risk for bipolar disorder.

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Secondary

Measure	Time frame
n.v.t.	—

Countries

Netherlands

Contacts

Public ContactE Treffers

Universiteit van Tilburg

else.treffers@ggze.nl0622559192

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)