Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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UNKNOWN
700 participants
OBSERVATIONAL
2013-06-30
2018-01-31
Brief Summary
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Detailed Description
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Conditions
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Study Design
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CASE_CONTROL
CROSS_SECTIONAL
Study Groups
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Patients with schizophrenia
With and without hallucinations
No interventions assigned to this group
Patients with borderline personality disorder
With and without hallucinations
No interventions assigned to this group
Patients with hearing impairment
With and without hallucinations
No interventions assigned to this group
Patients with visual loss
With and without hallucinations
No interventions assigned to this group
Patients with Parkinson's Disease
With and without hallucinations
No interventions assigned to this group
Patients with Alzheimer's Disease
With and without hallucinations
No interventions assigned to this group
Patients with dementia with Lewy Bodies
With and without hallucinations
No interventions assigned to this group
Patients with Posttraumatic Stress Disorder
With and without hallucinations
No interventions assigned to this group
Patients with delirium
With and without hallucinations
No interventions assigned to this group
Healthy participants
With and without hallucinations
No interventions assigned to this group
Patients with mood disorder
With and without hallucinations
No interventions assigned to this group
Eligibility Criteria
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Inclusion Criteria
* mentally competent
* in case of delirium: family member able to give informed consent
* Individuals with hallucinations will have to experience at least one episode of hallucinations over the last month.
* Individuals without hallucinations: no current hallucinations and a history of maximum 1 episode of hallucinations with a maximum duration of 1 week, at least two years ago.
Exclusion Criteria
* Participants that cannot read, speak or understand Dutch
* For all included diagnostic groups except delirium: Mentally incompetent individuals who are not capable to provide informed consent, as determined by their treating physician.
18 Years
ALL
Yes
Sponsors
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University Medical Center Groningen
OTHER
Free University Medical Center
OTHER
Parnassia Groep
OTHER
UMC Utrecht
OTHER
Responsible Party
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Iris Sommer
Prof.Dr.
Principal Investigators
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Iris Sommer, Prof, MD, PhD
Role: PRINCIPAL_INVESTIGATOR
UMC Utrecht
Teus van Laar, MD, PhD
Role: PRINCIPAL_INVESTIGATOR
UMC Groningen
Philip Scheltens, Prof, MD, PhD
Role: PRINCIPAL_INVESTIGATOR
Amsterdam UMC, location VUmc
Karin Slotema, MD, PhD
Role: PRINCIPAL_INVESTIGATOR
Parnassia Groep
Locations
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VU Medical Center
Amsterdam, , Netherlands
UMC Groningen
Groningen, , Netherlands
Parnassia Bavo Groep
The Hague, , Netherlands
UMC Utrecht
Utrecht, , Netherlands
Countries
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Central Contacts
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Facility Contacts
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Mascha Linszen, MD
Role: primary
Odile van den Heuvel, MD, PhD
Role: backup
Anne-Marthe Meppelink, MD
Role: primary
Karin Slotema, MD, PhD
Role: primary
Mascha Linszen, MD
Role: primary
Sophie Heringa, PhD
Role: backup
Other Identifiers
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NL42959.041.13
Identifier Type: OTHER
Identifier Source: secondary_id
UH-1
Identifier Type: -
Identifier Source: org_study_id