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NCT05213286: ZA-RAA
The Development of a Screening Questionnaire to Discriminate Autism Spectrum Disorder and Schizotypal Disorder, and Validation of the Danish Version of RAADS-R
NA trial testing Application of ZAQ and RAADS-R-DK in Autism Spectrum Disorder in 600 participants. Status unknown.
31 August 2023
Quick facts
| Lead sponsor | Glostrup University Hospital, Copenhagen |
|---|---|
| Phase | NA |
| Status | Status unknown |
| Study type | INTERVENTIONAL |
| Allocation | na |
| Design | single group |
| Masking | none |
| Primary purpose | diagnostic |
| Enrollment | 600 |
| Start date | 1 February 2022 |
| Primary completion | 31 August 2023 |
| Estimated completion | 31 August 2023 |
| Sites | 1 location across Denmark |
Drugs / interventions tested
- Application of ZAQ and RAADS-R-DK
Conditions studied
- Autism Spectrum Disorder — all drugs for Autism Spectrum Disorder →
- Schizotypal Disorder — all drugs for Schizotypal Disorder →
Sponsor
Glostrup University Hospital, Copenhagen
Who can join
Adults 18 to 65, any sex, with Autism Spectrum Disorder or Schizotypal Disorder. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
The aim of the study is to investigate the validity, reliability and clinical features of a Danish version of the Ritvo Autism Asperger Diagnostic Scale-Revised (RAADS-R). A self-reporting scale devise used as a supplementary questionnaire in diagnosing autism spectrum disorder (ASD) in adults. Furthermore the validity of novel screening questionnaire: SchiZotypal Autism Questionnaire (ZAQ), will be investigated. ZAQ is developed to discriminate Schizotypal Disorder from ASD.
Publications & conference data
2 peer-reviewed publications reference this trial (live from Europe PMC):
-
Protocol for the development and testing of the schiZotypy Autism Questionnaire (ZAQ) in adults: a new screening tool to discriminate autism spectrum disorder from schizotypal disorder.
Parvaiz R, Vindbjerg E, Crespi B, Happe F, et al · · 2023 · cited 2× · PMID 36978026 · DOI 10.1186/s12888-023-04690-3 -
Validation of a screening tool for autism spectrum disorder in adults - a study protocol.
Parvaiz R, Al-Sayegh Z, Jacobsen PK, Danielsen IM, et al · · 2022 · PMID 36458608
Verify or expand the search:
- PubMed search for NCT05213286
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
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Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT05213286 (US National Library of Medicine, public domain)
- Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Glostrup University Hospital, Copenhagen
- Last refreshed: 16 March 2022
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT05213286.
Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing